wip

.github/ISSUE_TEMPLATE/feature_request.md

@@ -26,7 +26,7 @@ country: Australia
 And we run a command:
 
 ```bash
-yq 'predictWeatherOf(.country)'
+yq eval 'predictWeatherOf(.country)'
 ```
 
 it could output

.github/dependabot.yml

@@ -1,22 +0,0 @@
-# To get started with Dependabot version updates, you'll need to specify which
-# package ecosystems to update and where the package manifests are located.
-# Please see the documentation for all configuration options:
-# https://help.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
-
-version: 2
-updates:
-  - package-ecosystem: docker
-    directory: /
-    schedule:
-      day: thursday
-      interval: weekly
-  - package-ecosystem: github-actions
-    directory: /
-    schedule:
-      day: thursday
-      interval: weekly
-  - package-ecosystem: gomod
-    directory: /
-    schedule:
-      day: thursday
-      interval: weekly

.github/workflows/codeql.yml

@@ -1,70 +0,0 @@
-# For most projects, this workflow file will not need changing; you simply need
-# to commit it to your repository.
-#
-# You may wish to alter this file to override the set of languages analyzed,
-# or to provide custom queries or build logic.
-#
-# ******** NOTE ********
-# We have attempted to detect the languages in your repository. Please check
-# the `language` matrix defined below to confirm you have the correct set of
-# supported CodeQL languages.
-#
-name: "CodeQL"
-
-on:
-  push:
-    branches: [ master ]
-  pull_request:
-    # The branches below must be a subset of the branches above
-    branches: [ master ]
-  schedule:
-    - cron: '24 3 * * 1'
-
-jobs:
-  analyze:
-    name: Analyze
-    runs-on: ubuntu-latest
-    permissions:
-      actions: read
-      contents: read
-      security-events: write
-
-    strategy:
-      fail-fast: false
-      matrix:
-        language: [ 'go' ]
-        # CodeQL supports [ 'cpp', 'csharp', 'go', 'java', 'javascript', 'python', 'ruby' ]
-        # Learn more about CodeQL language support at https://aka.ms/codeql-docs/language-support
-
-    steps:
-    - name: Checkout repository
-      uses: actions/checkout@v4
-
-    # Initializes the CodeQL tools for scanning.
-    - name: Initialize CodeQL
-      uses: github/codeql-action/init@v2
-      with:
-        languages: ${{ matrix.language }}
-        # If you wish to specify custom queries, you can do so here or in a config file.
-        # By default, queries listed here will override any specified in a config file.
-        # Prefix the list here with "+" to use these queries and those in the config file.
-        # queries: ./path/to/local/query, your-org/your-repo/queries@main
-
-    # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
-    # If this step fails, then you should remove it and run the build manually (see below)
-    - name: Autobuild
-      uses: github/codeql-action/autobuild@v2
-
-    # ℹ️ Command-line programs to run using the OS shell.
-    # 📚 See https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#jobsjob_idstepsrun
-
-    # ✏️ If the Autobuild fails above, remove it and uncomment the following three lines
-    #    and modify them (or add more) to build your code if your project
-    #    uses a compiled language
-
-    #- run: |
-    #   make bootstrap
-    #   make release
-
-    - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@v2

.github/workflows/docker-release.yml

@@ -1,82 +0,0 @@
-name: Release Docker
-
-on:
-  release:
-    types: [released]
-
-  # Allows you to run this workflow manually from the Actions tab
-  workflow_dispatch:
-
-jobs:
-  publishDocker:
-    environment: dockerhub
-    env:
-      IMAGE_NAME: mikefarah/yq
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-
-      - name: Set up QEMU
-        uses: docker/setup-qemu-action@v3
-        with:
-          platforms: all
-
-      - name: Set up Docker Buildx
-        id: buildx
-        uses: docker/setup-buildx-action@v3
-        with:
-          version: latest
-
-      - name: Available platforms
-        run: echo ${{ steps.buildx.outputs.platforms }} && docker version
-
-      - name: Build and push image
-        run: |
-          echo "GithubRef: ${GITHUB_REF}"
-          VERSION=${GITHUB_REF##*/}
-          echo "VERSION: ${VERSION}"
-          IMAGE_VERSION=${VERSION:1}
-          echo "IMAGE_VERSION: ${IMAGE_VERSION}"
-
-          PLATFORMS="linux/amd64,linux/ppc64le,linux/arm64"
-
-          echo "Building and pushing version ${IMAGE_VERSION} of image ${IMAGE_NAME}"
-          echo '${{ secrets.DOCKER_PASSWORD }}' | docker login -u '${{ secrets.DOCKER_USERNAME }}' --password-stdin
-          docker buildx build \
-            --label "org.opencontainers.image.authors=https://github.com/mikefarah/yq/graphs/contributors" \
-            --label "org.opencontainers.image.created=$(date --rfc-3339=seconds)" \
-            --label "org.opencontainers.image.description=yq is a portable command-line YAML processor" \
-            --label "org.opencontainers.image.documentation=https://mikefarah.gitbook.io/yq/" \
-            --label "org.opencontainers.image.licenses=MIT" \
-            --label "org.opencontainers.image.revision=$(git rev-parse HEAD)" \
-            --label "org.opencontainers.image.source=https://github.com/mikefarah/yq" \
-            --label "org.opencontainers.image.title=yq" \
-            --label "org.opencontainers.image.url=https://mikefarah.gitbook.io/yq/" \
-            --label "org.opencontainers.image.version=${IMAGE_VERSION}" \
-            --platform "${PLATFORMS}" \
-            --pull \
-            --push \
-            -t "${IMAGE_NAME}:${IMAGE_VERSION}" \
-            -t "${IMAGE_NAME}:4" \
-            -t "${IMAGE_NAME}:latest" \
-            .
-          
-          cd github-action
-          docker buildx build \
-            --label "org.opencontainers.image.authors=https://github.com/mikefarah/yq/graphs/contributors" \
-            --label "org.opencontainers.image.created=$(date --rfc-3339=seconds)" \
-            --label "org.opencontainers.image.description=yq is a portable command-line YAML processor" \
-            --label "org.opencontainers.image.documentation=https://mikefarah.gitbook.io/yq/" \
-            --label "org.opencontainers.image.licenses=MIT" \
-            --label "org.opencontainers.image.revision=$(git rev-parse HEAD)" \
-            --label "org.opencontainers.image.source=https://github.com/mikefarah/yq" \
-            --label "org.opencontainers.image.title=yq" \
-            --label "org.opencontainers.image.url=https://mikefarah.gitbook.io/yq/" \
-            --label "org.opencontainers.image.version=${IMAGE_VERSION}" \
-            --platform "${PLATFORMS}" \
-            --pull \
-            --push \
-            -t "${IMAGE_NAME}:${IMAGE_VERSION}-githubaction" \
-            -t "${IMAGE_NAME}:4-githubaction" \
-            -t "${IMAGE_NAME}:latest-githubaction" \
-            .

.github/workflows/go.yml

@@ -1,8 +1,5 @@
 name: Build
-on: [push, pull_request]
-permissions:
-  contents: read
-
+on: [push]
 jobs:
 
   build:
@@ -10,14 +7,14 @@ jobs:
     runs-on: ubuntu-latest
     steps:
 
-    - name: Set up Go
-      uses: actions/setup-go@v4
+    - name: Set up Go 1.15
+      uses: actions/setup-go@v1
       with:
-        go-version: '^1.20'
+        go-version: 1.15
       id: go
 
     - name: Check out code into the Go module directory
-      uses: actions/checkout@v4
+      uses: actions/checkout@v2
 
     - name: Get dependencies
       run: |
@@ -27,9 +24,8 @@ jobs:
             dep ensure
         fi
 
-    - name: Check the build
-      shell: bash -l {0}
+    - name: Download deps
       run: |
         export PATH=${PATH}:`go env GOPATH`/bin
         scripts/devtools.sh
-        make local build
+        make local build

.github/workflows/release.yml

@@ -3,51 +3,68 @@ on:
   push:
     tags:
       - 'v*'
-      - 'draft-*'
 
 jobs:
   publishGitRelease:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-go@v4
+      - uses: actions/checkout@v2
+      - uses: actions/setup-go@v2
         with:
-          go-version: '^1.20'
-          check-latest: true
-      - name: Compile man page markup
-        id: gen-man-page-md
-        run: |
-          ./scripts/generate-man-page-md.sh
-
-      - name: Get the version
-        id: get_version
-        run: echo "VERSION=${GITHUB_REF##*/}" >> "${GITHUB_OUTPUT}"
-
-      - name: Generate man page
-        uses: docker://pandoc/core:2.14.2
-        id: gen-man-page
-        with:
-          args: >-
-            --standalone
-            --to man
-            --variable=title:"YQ"
-            --variable=section:"1"
-            --variable=header:"yq (https://github.com/mikefarah/yq/) version ${{ steps.get_version.outputs.VERSION }}"
-            --variable=author:"Mike Farah"
-            --output=yq.1
-            man.md
-
+          go-version: '^1.15'
       - name: Cross compile
         run: |
           sudo apt-get install rhash -y
-          go install github.com/mitchellh/gox@v1.0.1
-          mkdir -p build
-          cp yq.1 build/yq.1
+          go get github.com/mitchellh/gox
           ./scripts/xcompile.sh
 
-      - name: Release
-        uses: softprops/action-gh-release@v1
+      - name: Create Release
+        id: create_release
+        uses: actions/create-release@v1.0.0
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with:
-          files: build/*
+          tag_name: ${{ github.ref }}
+          release_name: ${{ github.ref }}
           draft: true
-          fail_on_unmatched_files: true
+          prerelease: false
+
+      - uses: shogo82148/actions-upload-release-asset@v1
+        with:
+          upload_url: ${{ steps.create_release.outputs.upload_url }}
+          asset_path: build/*
+
+  publishDocker:
+    environment: dockerhub
+    env:
+      IMAGE_NAME: mikefarah/yq
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+        with:
+          platforms: all
+  
+      - name: Set up Docker Buildx
+        id: buildx
+        uses: docker/setup-buildx-action@v1
+        with:
+          version: latest
+
+      - name: Available platforms
+        run: echo ${{ steps.buildx.outputs.platforms }} && docker version
+ 
+      - name: Build and push image
+        run: |
+          IMAGE_V_VERSION="$(git describe --tags --abbrev=0)"
+          IMAGE_VERSION=${IMAGE_V_VERSION:1}
+
+          SHORT_SHA1=$(git rev-parse --short HEAD)
+          PLATFORMS="linux/amd64,linux/ppc64le,linux/arm64"
+          echo "Building and pushing version ${IMAGE_VERSION} of image ${IMAGE_NAME}"
+          echo ${{ secrets.DOCKER_PASSWORD }} | docker login -u ${{ secrets.DOCKER_USERNAME }} --password-stdin
+          docker buildx build --platform "${PLATFORMS}" -t "${IMAGE_NAME}:${IMAGE_VERSION}"  -t "${IMAGE_NAME}:latest" -t "${IMAGE_NAME}:4" \
+            --push .
+    

.github/workflows/snap-release.yml

@@ -1,23 +0,0 @@
-name: Release Snap
-
-on:
-  release:
-    types: [released]
-
-  # Allows you to run this workflow manually from the Actions tab
-  workflow_dispatch:
-
-jobs:
-    buildSnap:
-      environment: snap
-      runs-on: ubuntu-latest
-      steps:
-        - uses: actions/checkout@v4
-        - uses: snapcore/action-build@v1
-          id: build
-        - uses: snapcore/action-publish@v1
-          env:
-            SNAPCRAFT_STORE_CREDENTIALS: ${{ secrets.STORE_LOGIN }}
-          with:
-            snap: ${{ steps.build.outputs.snap }}
-            release: stable

.github/workflows/test-yq.yml

@@ -1,28 +0,0 @@
-name: Test Yq Action
-on: 
-  push:
-  workflow_dispatch:
-
-permissions:
-  contents: read
-
-jobs:
-
-  build:
-    name: Build
-    runs-on: ubuntu-latest
-
-    steps:
-      - uses: actions/checkout@v4
-      - name: Get test
-        id: get_value
-        uses: mikefarah/yq@master
-        with:
-          cmd: yq '.test' examples/multiline-text.yaml
-      - name: Multiline test
-        run: echo "### It was [${{ steps.get_value.outputs.result }}]" >> $GITHUB_STEP_SUMMARY
-      - name: Write inplace test
-        id: lookupSdkVersion
-        uses: mikefarah/yq@master
-        with:
-          cmd: yq -i '.b.c = 5' examples/sample.yaml

.gitignore

@@ -38,29 +38,3 @@ parts/
 prime/
 .snapcraft/
 yq*.snap
-
-test.yml
-test*.yml
-test*.xml
-test*.toml
-test*.yaml
-0.yml
-1.yml
-2.yml
-
-
-# man page
-man.md
-yq.1
-
-# debian pkg
-_build
-debian/files
-
-# intellij
-/.idea
-
-# vscode
-.vscode
-
-yq3

.golangci.yml

@@ -1,40 +0,0 @@
-run:
-  timeout: 5m
-linters:
-  enable:
-    - asciicheck
-    - depguard
-    - errorlint
-    - gci
-    - gochecknoinits
-    - gofmt
-    - goimports
-    - gosec
-    - megacheck
-    - misspell
-    - nakedret
-    - nolintlint
-    - predeclared
-    - revive
-    - unconvert
-    - unparam
-linters-settings:
-  depguard:
-    list-type: blacklist
-    include-go-root: true
-    packages:
-      - io/ioutil
-    packages-with-error-message:
-      - io/ioutil: "The 'io/ioutil' package is deprecated. Use corresponding 'os' or 'io' functions instead."
-issues:
-  exclude-rules:
-  - linters:
-    - gosec
-    text:  "Implicit memory aliasing in for loop."
-    path: _test\.go
-  - linters:
-    - revive
-    text: "unexported-return"
-  - linters:
-    - revive
-    text: "var-naming"

CONTRIBUTING.md

@@ -1,6 +1,4 @@
-# Development
-
-1. Install (Golang)[https://golang.org/]
+1. Install (golang)[https://golang.org/]
 1. Run  `scripts/devtools.sh` to install the required devtools
 2. Run `make [local] vendor` to install the vendor dependencies
 2. Run `make [local] test` to ensure you can run the existing tests
@@ -8,33 +6,3 @@
 4. Make the code changes.
 5. `make [local] test` to lint code and run tests
 6. Profit! ok no profit, but raise a PR and get kudos :)
-
-
-# Documentation
-
-The documentation is a bit of a mixed bag (sorry in advance, I do plan on simplifying it...) - with some parts automatically generated and stiched together and some statically defined.
-
-Documentation is written in markdown, and is published in the 'gitbook' branch.
-
-The various operator documentation (e.g. 'strings') are generated from the 'master' branch, and have a statically defined header (e.g. `pkg/yqlib/doc/operators/headers/add.md`) and the bulk of the docs are generated from the unit tests e.g. `pkg/yqlib/operator_add_test.go`.
-
-The pipeline will run the tests and automatically concatenate the files together, and put them under 
-`pkg/qylib/doc/add.md`. These files are checked in the master branch (and are copied to the gitbook branch as part of the release process).
-
-## How to contribute
-
-The first step is to find if what you want is automatically generated or not - start by looking in the master branch. 
-
-### Updating dynamic documentation from master
-- Search for the documentation you want to update. If you find matches in a `*_test.go` file - update that, as that will automatically update the matching `*.md` file 
-- Assuming you are updating a `*_test.go` file, once updated, run the test to regenerated the docs. E.g. for the 'Add' test generated docs, from the pkg/yqlib folder run:
-`go test -run TestAddOperatorScenarios` which will run that test defined in the `operator_add_test.go` file.
-- Ensure the tests still pass, and check the generated documentation have your update.
-- Note: If the documentation is only in a `headers/*.md` file, then just update that directly
-- Raise a PR to merge the changes into master!
-
-### Updating static documentation from the gitbook branch
-If you haven't found what you want to update in the master branch, then check the gitbook branch directly as there are a few pages in there that are not in master.
-
-- Update the `*.md` files
-- Raise a PR to merge the changes into gitbook.

Dockerfile

@@ -1,28 +1,25 @@
-FROM golang:1.21.4 as builder
+FROM golang:1.15 as builder
 
 WORKDIR /go/src/mikefarah/yq
 
-COPY . .
+# cache devtools
+COPY ./scripts/devtools.sh /go/src/mikefarah/yq/scripts/devtools.sh
+RUN ./scripts/devtools.sh
 
-RUN CGO_ENABLED=0 go build -ldflags "-s -w" .
-# RUN ./scripts/test.sh -- this too often times out in the github pipeline.
-RUN ./scripts/acceptance.sh
+COPY . /go/src/mikefarah/yq
+
+RUN CGO_ENABLED=0 make local build
 
 # Choose alpine as a base image to make this useful for CI, as many
 # CI tools expect an interactive shell inside the container
-FROM alpine:3 as production
-LABEL maintainer="Mike Farah <mikefarah@users.noreply.github.com>"
+FROM alpine:3.12.3 as production
 
 COPY --from=builder /go/src/mikefarah/yq/yq /usr/bin/yq
+RUN chmod +x /usr/bin/yq
+
+ARG VERSION=none
+LABEL version=${VERSION}
 
 WORKDIR /workdir
 
-RUN set -eux; \
-  addgroup -g 1000 yq; \
-  adduser -u 1000 -G yq -s /bin/sh -h /home/yq -D yq
-
-RUN chown -R yq:yq /workdir
-
-USER yq
-
 ENTRYPOINT ["/usr/bin/yq"]

Dockerfile.dev

@@ -1,4 +1,4 @@
-FROM golang:1.21.4
+FROM golang:1.15
 
 COPY scripts/devtools.sh /opt/devtools.sh
 
@@ -6,7 +6,5 @@ RUN set -e -x \
     && /opt/devtools.sh
 ENV PATH=/go/bin:$PATH
 
-RUN apt-get update && apt-get install -y npm && npm install -g npx cspell@latest
-
 ENV CGO_ENABLED 0
 ENV GOPATH /go:/yq

LICENSE

@@ -1,5 +1,3 @@
-The MIT License (MIT)
-
 Copyright (c) 2017 Mike Farah
 
 Permission is hereby granted, free of charge, to any person obtaining a copy

Makefile

@@ -2,7 +2,6 @@ MAKEFLAGS += --warn-undefined-variables
 SHELL := /bin/bash
 .SHELLFLAGS := -o pipefail -euc
 .DEFAULT_GOAL := install
-ENGINE := $(shell { command -v podman || command -v docker; } 2>/dev/null)
 
 include Makefile.variables
 
@@ -34,7 +33,7 @@ clean:
 
 ## prefix before other make targets to run in your local dev environment
 local: | quiet
-	@$(eval ENGINERUN= )
+	@$(eval DOCKRUN= )
 	@mkdir -p tmp
 	@touch tmp/dev_image_id
 quiet: # this is silly but shuts up 'Nothing to be done for `local`'
@@ -43,9 +42,9 @@ quiet: # this is silly but shuts up 'Nothing to be done for `local`'
 prepare: tmp/dev_image_id
 tmp/dev_image_id: Dockerfile.dev scripts/devtools.sh
 	@mkdir -p tmp
-	@${ENGINE} rmi -f ${DEV_IMAGE} > /dev/null 2>&1 || true
-	@${ENGINE} build -t ${DEV_IMAGE} -f Dockerfile.dev .
-	@${ENGINE} inspect -f "{{ .ID }}" ${DEV_IMAGE} > tmp/dev_image_id
+	@docker rmi -f ${DEV_IMAGE} > /dev/null 2>&1 || true
+	@docker build -t ${DEV_IMAGE} -f Dockerfile.dev .
+	@docker inspect -f "{{ .ID }}" ${DEV_IMAGE} > tmp/dev_image_id
 
 # ----------------------------------------------
 # build
@@ -55,65 +54,57 @@ build: build/dev
 .PHONY: build/dev
 build/dev: test *.go
 	@mkdir -p bin/
-	${ENGINERUN} go build --ldflags "$(LDFLAGS)"
-	${ENGINERUN} bash ./scripts/acceptance.sh
+	${DOCKRUN} go build --ldflags "$(LDFLAGS)"
+	${DOCKRUN} bash ./scripts/acceptance.sh
 
 ## Compile the project for multiple OS and Architectures.
 xcompile: check
 	@rm -rf build/
 	@mkdir -p build
-	${ENGINERUN} bash ./scripts/xcompile.sh
+	${DOCKRUN} bash ./scripts/xcompile.sh
 	@find build -type d -exec chmod 755 {} \; || :
 	@find build -type f -exec chmod 755 {} \; || :
 
 .PHONY: install
 install: build
-	${ENGINERUN} go install
+	${DOCKRUN} go install
 
 # Each of the fetch should be an entry within vendor.json; not currently included within project
 .PHONY: vendor
 vendor: tmp/dev_image_id
-	@mkdir -p vendor
-	${ENGINERUN} go mod vendor
+	${DOCKRUN} go mod vendor
 
 # ----------------------------------------------
 # develop and test
 
 .PHONY: format
 format: vendor
-	${ENGINERUN} bash ./scripts/format.sh
-
-
-.PHONY: spelling
-spelling: format
-	${ENGINERUN} bash ./scripts/spelling.sh
-
-.PHONY: secure
-secure: spelling
-	${ENGINERUN} bash ./scripts/secure.sh
+	${DOCKRUN} bash ./scripts/format.sh
 
 .PHONY: check
-check: secure
-	${ENGINERUN} bash ./scripts/check.sh
-
+check: format
+	${DOCKRUN} bash ./scripts/check.sh
 
+.PHONY: secure
+secure: 
+	${DOCKRUN} bash ./scripts/secure.sh
 
 .PHONY: test
 test: check
-	${ENGINERUN} bash ./scripts/test.sh
+	${DOCKRUN} bash ./scripts/test.sh
 
 .PHONY: cover
 cover: check
 	@rm -rf cover/
 	@mkdir -p cover
-	${ENGINERUN} bash ./scripts/coverage.sh
+	${DOCKRUN} bash ./scripts/coverage.sh
 	@find cover -type d -exec chmod 755 {} \; || :
 	@find cover -type f -exec chmod 644 {} \; || :
 
 
 .PHONY: release
 release: xcompile
-	${ENGINERUN} bash ./scripts/publish.sh
+	${DOCKRUN} bash ./scripts/publish.sh
 
 # ----------------------------------------------
 # utilities

Makefile.variables

@@ -7,7 +7,6 @@ export GIT_DESCRIBE = $(shell git describe --tags --always)
 LDFLAGS :=
 LDFLAGS += -X main.GitCommit=${GIT_COMMIT}${GIT_DIRTY}
 LDFLAGS += -X main.GitDescribe=${GIT_DESCRIBE}
-LDFLAGS += -w -s
 
 GITHUB_TOKEN ?=
 
@@ -30,7 +29,7 @@ endif
 
 DEV_IMAGE := ${PROJECT}_dev
 
-ENGINERUN := ${ENGINE} run --rm \
+DOCKRUN := docker run --rm \
 	-e LDFLAGS="${LDFLAGS}" \
 	-e GITHUB_TOKEN="${GITHUB_TOKEN}" \
 	-v ${ROOT}/vendor:/go/src \

README.md

@@ -1,73 +1,25 @@
 # yq
 
-![Build](https://github.com/mikefarah/yq/workflows/Build/badge.svg)  ![Docker Pulls](https://img.shields.io/docker/pulls/mikefarah/yq.svg) ![Github Releases (by Release)](https://img.shields.io/github/downloads/mikefarah/yq/total.svg) ![Go Report](https://goreportcard.com/badge/github.com/mikefarah/yq) ![CodeQL](https://github.com/mikefarah/yq/workflows/CodeQL/badge.svg)
+![Build](https://github.com/mikefarah/yq/workflows/Build/badge.svg)  ![Docker Pulls](https://img.shields.io/docker/pulls/mikefarah/yq.svg) ![Github Releases (by Release)](https://img.shields.io/github/downloads/mikefarah/yq/total.svg) ![Go Report](https://goreportcard.com/badge/github.com/mikefarah/yq)
 
 
-a lightweight and portable command-line YAML, JSON and XML processor. `yq` uses [jq](https://github.com/stedolan/jq) like syntax but works with yaml files as well as json, xml, properties, csv and tsv. It doesn't yet support everything `jq` does - but it does support the most common operations and functions, and more is being added continuously.
+a lightweight and portable command-line YAML processor. `yq` uses [jq](https://github.com/stedolan/jq) like syntax but works with yaml files as well as json. It doesn't yet support everything `jq` does - but it does support the most common operations and functions, and more is being added continuously.
 
-yq is written in go - so you can download a dependency free binary for your platform and you are good to go! If you prefer there are a variety of package managers that can be used as well as Docker and Podman, all listed below.
+yq is written in go - so you can download a dependency free binary for your platform and you are good to go! If you prefer there are a variety of package managers that can be used as well as docker, all listed below.
 
-## Quick Usage Guide
+## V4 released!
+V4 is now officially released, it's quite different from V3 (sorry for the migration), however it is much more similar to ```jq```, using a similar expression syntax and therefore support much more complex functionality! 
 
-Read a value:
-```bash
-yq '.a.b[0].c' file.yaml
-```
+If you've been using v3 and want/need to upgrade, checkout the [upgrade guide](https://mikefarah.gitbook.io/yq/v/v4.x/upgrading-from-v3).
 
-Pipe from STDIN:
-```bash
-yq '.a.b[0].c' < file.yaml
-```
-
-Update a yaml file, in place
-```bash
-yq -i '.a.b[0].c = "cool"' file.yaml
-```
-
-Update using environment variables
-```bash
-NAME=mike yq -i '.a.b[0].c = strenv(NAME)' file.yaml
-```
-
-Merge multiple files
-```bash
-# note the use of `ea` to evaluate all the files at once
-# instead of in sequence
-yq ea '. as $item ireduce ({}; . * $item )' path/to/*.yml
-```
-
-Multiple updates to a yaml file
-```bash
-yq -i '
-  .a.b[0].c = "cool" |
-  .x.y.z = "foobar" |
-  .person.name = strenv(NAME)
-' file.yaml
-```
-
-Find and update an item in an array:
-```bash
-yq '(.[] | select(.name == "foo") | .address) = "12 cat st"'
-```
-
-Convert JSON to YAML
-```bash
-yq -Poy sample.json
-```
-
-See [recipes](https://mikefarah.gitbook.io/yq/recipes) for more examples and the [documentation](https://mikefarah.gitbook.io/yq/) for more information.
-
-Take a look at the discussions for [common questions](https://github.com/mikefarah/yq/discussions/categories/q-a), and [cool ideas](https://github.com/mikefarah/yq/discussions/categories/show-and-tell)
+Support for v3 will cease August 2021, until then, critical bug and security fixes will still get applied if required.
 
 ## Install
 
 ### [Download the latest binary](https://github.com/mikefarah/yq/releases/latest)
 
 ### wget
-Use wget to download, gzipped pre-compiled binaries:
-
-
-For instance, VERSION=v4.2.0 and BINARY=yq_linux_amd64
+Use wget to download the pre-compiled binaries:
 
 #### Compressed via tar.gz
 ```bash
@@ -82,12 +34,7 @@ wget https://github.com/mikefarah/yq/releases/download/${VERSION}/${BINARY} -O /
     chmod +x /usr/bin/yq
 ```
 
-#### Latest version
-
-```bash
-wget https://github.com/mikefarah/yq/releases/latest/download/yq_linux_amd64 -O /usr/bin/yq &&\
-    chmod +x /usr/bin/yq
-```
+For instance, VERSION=v4.2.0 and BINARY=yq_linux_amd64
 
 ### MacOS / Linux via Homebrew:
 Using [Homebrew](https://brew.sh/)
@@ -95,53 +42,49 @@ Using [Homebrew](https://brew.sh/)
 brew install yq
 ```
 
+or, for the (deprecated) v3 version:
+
+```
+brew install yq@3
+```
+
+Note that for v3, as it is a versioned brew it will not add the `yq` command to your path automatically. Please follow the instructions given by brew upon installation.
+
 ### Linux via snap:
 ```
 snap install yq
 ```
 
+or, for the (deprecated) v3 version:
+
+```
+snap install yq --channel=v3/stable
+```
+
 #### Snap notes
 `yq` installs with [_strict confinement_](https://docs.snapcraft.io/snap-confinement/6233) in snap, this means it doesn't have direct access to root files. To read root files you can:
 
 ```
-sudo cat /etc/myfile | yq '.a.path'
+sudo cat /etc/myfile | yq e '.a.path' - 
 ```
 
 And to write to a root file you can either use [sponge](https://linux.die.net/man/1/sponge):
 ```
-sudo cat /etc/myfile | yq '.a.path = "value"' | sudo sponge /etc/myfile
+sudo cat /etc/myfile | yq e '.a.path = "value"' - | sudo sponge /etc/myfile
 ```
 or write to a temporary file:
 ```
-sudo cat /etc/myfile | yq '.a.path = "value"' | sudo tee /etc/myfile.tmp
+sudo cat /etc/myfile | yq e '.a.path = "value"' | sudo tee /etc/myfile.tmp
 sudo mv /etc/myfile.tmp /etc/myfile
 rm /etc/myfile.tmp
 ```
 
-### Run with Docker or Podman
+### Run with Docker
+
 #### Oneshot use:
 
 ```bash
-docker run --rm -v "${PWD}":/workdir mikefarah/yq [command] [flags] [expression ]FILE...
-```
-
-Note that you can run `yq` in docker without network access and other privileges if you desire,
-namely `--security-opt=no-new-privileges --cap-drop all --network none`.
-
-```bash
-podman run --rm -v "${PWD}":/workdir mikefarah/yq [command] [flags] [expression ]FILE...
-```
-
-#### Pipe in via STDIN:
-
-You'll need to pass the `-i\--interactive` flag to docker:
-
-```bash
-docker run -i --rm mikefarah/yq '.this.thing' < myfile.yml
-```
-
-```bash
-podman run -i --rm mikefarah/yq '.this.thing' < myfile.yml
+docker run --rm -v "${PWD}":/workdir mikefarah/yq <command> [flags] [expression ]FILE...
 ```
 
 #### Run commands interactively:
@@ -150,10 +93,6 @@ podman run -i --rm mikefarah/yq '.this.thing' < myfile.yml
 docker run --rm -it -v "${PWD}":/workdir --entrypoint sh mikefarah/yq
 ```
 
-```bash
-podman run --rm -it -v "${PWD}":/workdir --entrypoint sh mikefarah/yq
-```
-
 It can be useful to have a bash function to avoid typing the whole docker command:
 
 ```bash
@@ -162,91 +101,15 @@ yq() {
 }
 ```
 
-```bash
-yq() {
-  podman run --rm -i -v "${PWD}":/workdir mikefarah/yq "$@"
-}
+### Go Get:
 ```
-#### Running as root:
-
-`yq`'s container image no longer runs under root (https://github.com/mikefarah/yq/pull/860). If you'd like to install more things in the container image, or you're having permissions issues when attempting to read/write files you'll need to either:
-
-
-```
-docker run --user="root" -it --entrypoint sh mikefarah/yq
-```
-
-```
-podman run --user="root" -it --entrypoint sh mikefarah/yq
-```
-
-Or, in your Dockerfile:
-
-```
-FROM mikefarah/yq
-
-USER root
-RUN apk add --no-cache bash
-USER yq
-```
-
-#### Missing timezone data
-By default, the alpine image yq uses does not include timezone data. If you'd like to use the `tz` operator, you'll need to include this data:
-
-```
-FROM mikefarah/yq
-
-USER root
-RUN apk add --no-cache tzdata
-USER yq
-```
-
-#### Podman with SELinux
-
-If you are using podman with SELinux, you will need to set the shared volume flag `:z` on the volume mount:
-
-```
--v "${PWD}":/workdir:z
-```
-
-### GitHub Action
-```
-  - name: Set foobar to cool
-    uses: mikefarah/yq@master
-    with:
-      cmd: yq -i '.foo.bar = "cool"' 'config.yml'
-  - name: Get an entry with a variable that might contain dots or spaces
-    id: get_username
-    uses: mikefarah/yq@master
-    with:
-      cmd: yq '.all.children.["${{ matrix.ip_address }}"].username' ops/inventories/production.yml
-  - name: Reuse a variable obtained in another step
-    run: echo ${{ steps.get_username.outputs.result }}
-```
-
-See https://mikefarah.gitbook.io/yq/usage/github-action for more.
-
-### Go Install:
-```
-go install github.com/mikefarah/yq/v4@latest
+GO111MODULE=on go get github.com/mikefarah/yq/v4
 ```
 
 ## Community Supported Installation methods
 As these are supported by the community :heart: - however, they may be out of date with the officially supported releases.
 
-_Please note that the Debian package (previously supported by @rmescandon) is no longer maintained. Please use an alternative installation method._
-
-
-### Nix
-
-```
-nix profile install nixpkgs#yq-go
-```
-
-See [here](https://search.nixos.org/packages?channel=unstable&show=yq-go&from=0&size=50&sort=relevance&type=packages&query=yq-go)
-
-
-### Webi
+# Webi
 
 ```
 webi yq
@@ -255,16 +118,7 @@ webi yq
 See [webi](https://webinstall.dev/)
 Supported by @adithyasunil26 (https://github.com/webinstall/webi-installers/tree/master/yq)
 
-### Arch Linux
-
-```
-pacman -S go-yq
-```
-
 ### Windows:
-
-Using [Chocolatey](https://chocolatey.org)
-
 [![Chocolatey](https://img.shields.io/chocolatey/v/yq.svg)](https://chocolatey.org/packages/yq)
 [![Chocolatey](https://img.shields.io/chocolatey/dt/yq.svg)](https://chocolatey.org/packages/yq)
 ```
@@ -272,16 +126,6 @@ choco install yq
 ```
 Supported by @chillum (https://chocolatey.org/packages/yq)
 
-Using [scoop](https://scoop.sh/)
-```
-scoop install main/yq
-```
-
-Using [winget](https://learn.microsoft.com/en-us/windows/package-manager/)
-```
-winget install --id MikeFarah.yq
-```
-
 ### Mac:
 Using [MacPorts](https://www.macports.org/)
 ```
@@ -299,29 +143,31 @@ Supported by Tuan Hoang
 https://pkgs.alpinelinux.org/package/edge/community/x86/yq
 
 
+### On Ubuntu 16.04 or higher from Debian package:
+```sh
+sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys CC86BB64
+sudo add-apt-repository ppa:rmescandon/yq
+sudo apt update
+sudo apt install yq -y
+```
+Supported by @rmescandon (https://launchpad.net/~rmescandon/+archive/ubuntu/yq)
+
 ## Features
 - [Detailed documentation with many examples](https://mikefarah.gitbook.io/yq/)
 - Written in portable go, so you can download a lovely dependency free binary
-- Uses similar syntax as `jq` but works with YAML, [JSON](https://mikefarah.gitbook.io/yq/usage/convert) and [XML](https://mikefarah.gitbook.io/yq/usage/xml) files
+- Uses similar syntax as `jq` but works with YAML and JSON files
 - Fully supports multi document yaml files
-- Supports yaml [front matter](https://mikefarah.gitbook.io/yq/usage/front-matter) blocks (e.g. jekyll/assemble)
 - Colorized yaml output
-- [Date/Time manipulation and formatting with TZ](https://mikefarah.gitbook.io/yq/operators/datetime)
-- [Deeply data structures](https://mikefarah.gitbook.io/yq/operators/traverse-read)
-- [Sort keys](https://mikefarah.gitbook.io/yq/operators/sort-keys)
+- [Deeply traverse yaml](https://mikefarah.gitbook.io/yq/operators/traverse-read)
+- [Sort yaml by keys](https://mikefarah.gitbook.io/yq/operators/sort-keys)
 - Manipulate yaml [comments](https://mikefarah.gitbook.io/yq/operators/comment-operators), [styling](https://mikefarah.gitbook.io/yq/operators/style), [tags](https://mikefarah.gitbook.io/yq/operators/tag) and [anchors and aliases](https://mikefarah.gitbook.io/yq/operators/anchor-and-alias-operators).
-- [Update in place](https://mikefarah.gitbook.io/yq/v/v4.x/commands/evaluate#flags)
+- [Update yaml inplace](https://mikefarah.gitbook.io/yq/v/v4.x/commands/evaluate#flags)
 - [Complex expressions to select and update](https://mikefarah.gitbook.io/yq/operators/select#select-and-update-matching-values-in-map)
 - Keeps yaml formatting and comments when updating (though there are issues with whitespace)
-- [Decode/Encode base64 data](https://mikefarah.gitbook.io/yq/operators/encode-decode)
-- [Load content from other files](https://mikefarah.gitbook.io/yq/operators/load)
-- [Convert to/from json/ndjson](https://mikefarah.gitbook.io/yq/v/v4.x/usage/convert)
-- [Convert to/from xml](https://mikefarah.gitbook.io/yq/v/v4.x/usage/xml)
-- [Convert to/from properties](https://mikefarah.gitbook.io/yq/v/v4.x/usage/properties)
-- [Convert to/from csv/tsv](https://mikefarah.gitbook.io/yq/usage/csv-tsv)
+- [Convert to/from json to yaml](https://mikefarah.gitbook.io/yq/v/v4.x/usage/convert)
+- [Pipe data in by using '-'](https://mikefarah.gitbook.io/yq/v/v4.x/commands/evaluate)
 - [General shell completion scripts (bash/zsh/fish/powershell)](https://mikefarah.gitbook.io/yq/v/v4.x/commands/shell-completion)
 - [Reduce](https://mikefarah.gitbook.io/yq/operators/reduce) to merge multiple files or sum an array or other fancy things.
-- [Github Action](https://mikefarah.gitbook.io/yq/usage/github-action) to use in your automated pipeline (thanks @devorbitus)
 
 ## [Usage](https://mikefarah.gitbook.io/yq/)
 
@@ -332,47 +178,34 @@ Usage:
   yq [flags]
   yq [command]
 
-Examples:
-
-# yq defaults to 'eval' command if no command is specified. See "yq eval --help" for more examples.
-yq '.stuff' < myfile.yml # outputs the data at the "stuff" node from "myfile.yml"
-
-yq -i '.stuff = "foo"' myfile.yml # update myfile.yml in place
-
-
 Available Commands:
-  completion       Generate the autocompletion script for the specified shell
-  eval             (default) Apply the expression to each document in each yaml file in sequence
+  eval             Apply expression to each document in each yaml file given in sequence
   eval-all         Loads _all_ yaml documents of _all_ yaml files and runs expression once
   help             Help about any command
   shell-completion Generate completion script
 
 Flags:
-  -C, --colors                        force print with colors
-  -e, --exit-status                   set exit status if there are no matches or null or false is returned
-  -f, --front-matter string           (extract|process) first input as yaml front-matter. Extract will pull out the yaml content, process will run the expression against the yaml content, leaving the remaining data intact
-      --header-preprocess             Slurp any header comments and separators before processing expression. (default true)
-  -h, --help                          help for yq
-  -I, --indent int                    sets indent level for output (default 2)
-  -i, --inplace                       update the file in place of first file given.
-  -p, --input-format string           [yaml|y|xml|x] parse format for input. Note that json is a subset of yaml. (default "yaml")
-  -M, --no-colors                     force print with no colors
-  -N, --no-doc                        Don't print document separators (---)
-  -n, --null-input                    Don't read input, simply evaluate the expression given. Useful for creating docs from scratch.
-  -o, --output-format string          [yaml|y|json|j|props|p|xml|x] output format type. (default "yaml")
-  -P, --prettyPrint                   pretty print, shorthand for '... style = ""'
-  -s, --split-exp string              print each result (or doc) into a file named (exp). [exp] argument must return a string. You can use $index in the expression as the result counter.
-      --unwrapScalar                  unwrap scalar, print the value with no quotes, colors or comments (default true)
-  -v, --verbose                       verbose mode
-  -V, --version                       Print version information and quit
-      --xml-attribute-prefix string   prefix for xml attributes (default "+")
-      --xml-content-name string       name for xml content (if no attribute name is present). (default "+content")
+  -C, --colors        force print with colors
+  -e, --exit-status   set exit status if there are no matches or null or false is returned
+  -h, --help          help for yq
+  -I, --indent int    sets indent level for output (default 2)
+  -i, --inplace       update the yaml file inplace of first yaml file given.
+  -M, --no-colors     force print with no colors
+  -N, --no-doc        Don't print document separators (---)
+  -n, --null-input    Don't read input, simply evaluate the expression given. Useful for creating yaml docs from scratch.
+  -P, --prettyPrint    pretty print, shorthand for '... style = ""' 
+  -j, --tojson        output as json. Set indent to 0 to print json in one line.
+  -v, --verbose       verbose mode
+  -V, --version       Print version information and quit
 
 Use "yq [command] --help" for more information about a command.
 ```
+
+Simple Example:
+
+```bash
+yq e '.a.b | length' f1.yml f2.yml 
+```
+
 ## Known Issues / Missing Features
 - `yq` attempts to preserve comment positions and whitespace as much as possible, but it does not handle all scenarios (see https://github.com/go-yaml/yaml/tree/v3 for details)
-- Powershell has its own...[opinions on quoting yq](https://mikefarah.gitbook.io/yq/usage/tips-and-tricks#quotes-in-windows-powershell)
-- "yes", "no" were dropped as boolean values in the yaml 1.2 standard - which is the standard yq assumes.
-
-See [tips and tricks](https://mikefarah.gitbook.io/yq/usage/tips-and-tricks) for more common problems and solutions.

acceptance_tests/bad_args.sh

@@ -1,41 +0,0 @@
-#!/bin/bash
-
-testWriteInPlacePipeIn() {
-  result=$(./yq e -i -n '.a' 2>&1)
-  assertEquals 1 $?
-  assertEquals "Error: write in place flag only applicable when giving an expression and at least one file" "$result"
-}
-
-testWriteInPlacePipeInEvalall() {
-  result=$(./yq ea -i -n '.a' 2>&1)
-  assertEquals 1 $?
-  assertEquals "Error: write in place flag only applicable when giving an expression and at least one file" "$result"
-}
-
-testWriteInPlaceWithSplit() {
-  result=$(./yq e -s "cat" -i '.a = "thing"' test.yml 2>&1)
-  assertEquals 1 $?
-  assertEquals "Error: write in place cannot be used with split file" "$result"
-}
-
-testWriteInPlaceWithSplitEvalAll() {
-  result=$(./yq ea -s "cat" -i '.a = "thing"' test.yml 2>&1)
-  assertEquals 1 $?
-  assertEquals "Error: write in place cannot be used with split file" "$result"
-}
-
-testNullWithFiles() {
-  result=$(./yq e -n '.a = "thing"' test.yml 2>&1)
-  assertEquals 1 $?
-  assertEquals "Error: cannot pass files in when using null-input flag" "$result"
-}
-
-testNullWithFilesEvalAll() {
-  result=$(./yq ea -n '.a = "thing"' test.yml 2>&1)
-  assertEquals 1 $?
-  assertEquals "Error: cannot pass files in when using null-input flag" "$result"
-}
-
-
-
-source ./scripts/shunit2

acceptance_tests/basic.sh

@@ -1,373 +0,0 @@
-#!/bin/bash
-
-setUp() {
-  rm test*.yml 2>/dev/null || true
-  rm .xyz 2>/dev/null || true
-  rm instructions.txt 2>/dev/null || true
-}
-
-testBasicEvalRoundTrip() {
-  ./yq -n ".a = 123" > test.yml
-  X=$(./yq '.a' test.yml)
-  assertEquals 123 "$X"
-}
-
-testBasicTrailingContent() {
-  cat >test-trailing.yml <<EOL
-test:
-# this comment will be removed
-EOL
-
-  read -r -d '' expected << EOM
-test:
-# this comment will be removed
-EOM
-  X=$(./yq test-trailing.yml -P)
-  assertEquals "$expected" "$X"
-}
-
-testBasicTrailingContent() {
-  cat >test-trailing.yml <<EOL
-test:
-# this comment will be removed
-EOL
-
-  read -r -d '' expected << EOM
-test:
-# hi
-EOM
-  X=$(./yq '. footComment = "hi"' test-trailing.yml)
-  assertEquals "$expected" "$X"
-}
-
-testBasicTrailingContentEvalAll() {
-  cat >test-trailing.yml <<EOL
-test:
-# this comment will be removed
-EOL
-
-  read -r -d '' expected << EOM
-test:
-# this comment will be removed
-EOM
-  X=$(./yq ea test-trailing.yml -P)
-  assertEquals "$expected" "$X"
-}
-
-testBasicTrailingContentEvalAll() {
-  cat >test-trailing.yml <<EOL
-test:
-# this comment will be removed
-EOL
-
-  read -r -d '' expected << EOM
-test:
-# hi
-EOM
-  X=$(./yq ea '. footComment = "hi"' test-trailing.yml)
-  assertEquals "$expected" "$X"
-}
-
-testBasicPipeWithDot() {
-  ./yq -n ".a = 123" > test.yml
-  X=$(cat test.yml | ./yq '.')
-  assertEquals "a: 123" "$X"
-}
-
-testBasicExpressionMatchesFileName() {
-  ./yq -n ".xyz = 123" > test.yml
-  touch .xyz
-  
-  X=$(./yq --expression '.xyz' test.yml)
-  assertEquals "123" "$X"
-
-  X=$(./yq ea --expression '.xyz' test.yml)
-  assertEquals "123" "$X"
-}
-
-testBasicExpressionFromFile() {
-  ./yq -n ".xyz = 123" > test.yml
-  echo '.xyz = "meow" | .cool = "frog"' > instructions.txt
-  
-  X=$(./yq --from-file instructions.txt test.yml -o=j -I=0)
-  assertEquals '{"xyz":"meow","cool":"frog"}' "$X"
-
-  X=$(./yq ea --from-file instructions.txt test.yml -o=j -I=0)
-  assertEquals '{"xyz":"meow","cool":"frog"}' "$X"
-}
-
-testBasicExpressionFromFileDos() {
-  ./yq -n ".xyz = 123" > test.yml
-  echo '.xyz = "meow" | .cool = "frog"' | sed 's/$'"/`echo \\\r`/" > instructions.txt
-  
-  X=$(./yq --from-file instructions.txt test.yml -o=j -I=0)
-  assertEquals '{"xyz":"meow","cool":"frog"}' "$X"
-
-  X=$(./yq ea --from-file instructions.txt test.yml -o=j -I=0)
-  assertEquals '{"xyz":"meow","cool":"frog"}' "$X"
-}
-
-testBasicGitHubAction() {
-  ./yq -n ".a = 123" > test.yml
-  X=$(cat /dev/null | ./yq test.yml)
-  assertEquals "a: 123" "$X"
-
-  X=$(cat /dev/null | ./yq e test.yml)
-  assertEquals "a: 123" "$X"
-
-  X=$(cat /dev/null | ./yq ea test.yml)
-  assertEquals "a: 123" "$X"
-}
-
-testBasicGitHubActionWithExpression() {
-  ./yq -n ".a = 123" > test.yml
-  X=$(cat /dev/null | ./yq '.a' test.yml)
-  assertEquals "123" "$X"
-
-  X=$(cat /dev/null | ./yq e '.a' test.yml)
-  assertEquals "123" "$X"
-
-  X=$(cat /dev/null | ./yq ea '.a' test.yml)
-  assertEquals "123" "$X"
-}
-
-
-testBasicEvalAllAllFiles() {
-  ./yq -n ".a = 123" > test.yml
-  ./yq -n ".a = 124" > test2.yml
-  X=$(./yq ea test.yml test2.yml)
-  Y=$(./yq e '.' test.yml test2.yml)
-  assertEquals "$Y" "$X"
-}
-
-# when given a file, don't read STDIN
-# otherwise strange things start happening
-# in scripts
-# https://github.com/mikefarah/yq/issues/1115
-
-testBasicCatWithFilesNoDash() {
-  ./yq -n ".a = 123" > test.yml
-  ./yq -n ".a = 124" > test2.yml
-  X=$(cat test.yml | ./yq test2.yml)
-  Y=$(./yq e '.' test2.yml)
-  assertEquals "$Y" "$X"
-}
-
-# when the nullinput flag is used
-# don't automatically read STDIN (this breaks github actions)
-testBasicCreateFileGithubAction() {
-  cat /dev/null | ./yq -n ".a = 123" > test.yml
-}
-
-testBasicEvalAllCatWithFilesNoDash() {
-  ./yq -n ".a = 123" > test.yml
-  ./yq -n ".a = 124" > test2.yml
-  X=$(cat test.yml | ./yq ea test2.yml)
-  Y=$(./yq e '.' test2.yml)
-  assertEquals "$Y" "$X"
-}
-
-testBasicCatWithFilesNoDashWithExp() {
-  ./yq -n ".a = 123" > test.yml
-  ./yq -n ".a = 124" > test2.yml
-  X=$(cat test.yml | ./yq '.a' test2.yml)
-  Y=$(./yq e '.a' test2.yml)
-  assertEquals "$Y" "$X"
-}
-
-testBasicEvalAllCatWithFilesNoDashWithExp() {
-  ./yq -n ".a = 123" > test.yml
-  ./yq -n ".a = 124" > test2.yml
-  X=$(cat test.yml | ./yq ea '.a' test2.yml)
-  Y=$(./yq e '.a' test2.yml)
-  assertEquals "$Y" "$X"
-}
-
-
-testBasicStdInWithFiles() {
-  ./yq -n ".a = 123" > test.yml
-  ./yq -n ".a = 124" > test2.yml
-  X=$(cat test.yml | ./yq - test2.yml)
-  Y=$(./yq e '.' test.yml test2.yml)
-  assertEquals "$Y" "$X"
-}
-
-testBasicEvalAllStdInWithFiles() {
-  ./yq -n ".a = 123" > test.yml
-  ./yq -n ".a = 124" > test2.yml
-  X=$(cat test.yml | ./yq ea - test2.yml)
-  Y=$(./yq e '.' test.yml test2.yml)
-  assertEquals "$Y" "$X"
-}
-
-testBasicStdInWithFilesReverse() {
-  ./yq -n ".a = 123" > test.yml
-  ./yq -n ".a = 124" > test2.yml
-  X=$(cat test.yml | ./yq test2.yml -)
-  Y=$(./yq e '.' test2.yml test.yml)
-  assertEquals "$Y" "$X"
-}
-
-testBasicEvalAllStdInWithFilesReverse() {
-  ./yq -n ".a = 123" > test.yml
-  ./yq -n ".a = 124" > test2.yml
-  X=$(cat test.yml | ./yq ea test2.yml -)
-  Y=$(./yq e '.' test2.yml test.yml)
-  assertEquals "$Y" "$X"
-}
-
-testBasicEvalRoundTripNoEval() {
-  ./yq -n ".a = 123" > test.yml
-  X=$(./yq '.a' test.yml)
-  assertEquals 123 "$X"
-}
-
-testBasicStdInWithOneArg() {
-  ./yq e -n ".a = 123" > test.yml
-  X=$(cat test.yml | ./yq e ".a")
-  assertEquals 123 "$X"
-
-  X=$(cat test.yml | ./yq ea ".a")
-  assertEquals 123 "$X"
-
-  X=$(cat test.yml | ./yq ".a")
-  assertEquals 123 "$X"
-}
-
-testBasicUpdateInPlaceSequence() {
-  cat >test.yml <<EOL
-a: 0
-EOL
-  ./yq e -i ".a = 10" test.yml
-  X=$(./yq e '.a' test.yml)
-  assertEquals "10" "$X"
-}
-
-testBasicUpdateInPlaceSequenceNoEval() {
-  cat >test.yml <<EOL
-a: 0
-EOL
-  ./yq -i ".a = 10" test.yml
-  X=$(./yq '.a' test.yml)
-  assertEquals "10" "$X"
-}
-
-testBasicUpdateInPlaceSequenceEvalAll() {
-  cat >test.yml <<EOL
-a: 0
-EOL
-  ./yq ea -i ".a = 10" test.yml
-  X=$(./yq e '.a' test.yml)
-  assertEquals "10" "$X"
-}
-
-testBasicUpdateInPlaceMultipleFilesNoExpressionEval() {
-  cat >test.yml <<EOL
-a: 0
-EOL
-  cat >test2.yml <<EOL
-a: 1
-EOL
-read -r -d '' expected << EOM
-0
----
-1
-EOM
-  ./yq -i test.yml test2.yml
-  X=$(./yq e '.a' test.yml)
-  assertEquals "$expected" "$X"
-}
-
-testBasicUpdateInPlaceMultipleFilesNoExpressionEvalAll() {
-  cat >test.yml <<EOL
-a: 0
-EOL
-  cat >test2.yml <<EOL
-a: 1
-EOL
-read -r -d '' expected << EOM
-0
----
-1
-EOM
-  ./yq -i ea test.yml test2.yml
-  X=$(./yq e '.a' test.yml)
-  assertEquals "$expected" "$X"
-}
-
-testBasicNoExitStatus() {
-  echo "a: cat" > test.yml
-  X=$(./yq e '.z' test.yml)
-  assertEquals "null" "$X"
-}
-
-testBasicExitStatus() {
-  echo "a: cat" > test.yml
-  X=$(./yq e -e '.z' test.yml 2&>/dev/null)
-  assertEquals 1 "$?"
-}
-
-testBasicExitStatusNoEval() {
-  echo "a: cat" > test.yml
-  X=$(./yq -e '.z' test.yml 2&>/dev/null)
-  assertEquals 1 "$?"
-}
-
-testBasicExtractFieldWithSeparator() {
-    cat >test.yml <<EOL
----
-name: chart-name
-version: 1.2.3
-EOL
-  X=$(./yq e '.name' test.yml)
-  assertEquals "chart-name" "$X"
-}
-
-testBasicExtractMultipleFieldWithSeparator() {
-    cat >test.yml <<EOL
----
-name: chart-name
-version: 1.2.3
----
-name: thing
-version: 1.2.3
-EOL
-
-read -r -d '' expected << EOM
-chart-name
----
-thing
-EOM
-  X=$(./yq e '.name' test.yml)
-  assertEquals "$expected" "$X"
-}
-
-testBasicMultiplyAssignMultiDoc() {
-      cat >test.yml <<EOL
-a: 1
----
-b: 2
-EOL
-
-read -r -d '' expected << EOM
-a: 1
-c: 3
----
-b: 2
-c: 3
-EOM
-
-
-  X=$(./yq '. *= {"c":3}' test.yml)
-  assertEquals "$expected" "$X"
-}
-
-testBasicClosedStdIn() {
-  cat >test.yml <<EOL
-a: 1
-EOL
-  X=$(./yq e '.a' test.yml <&-)
-  assertEquals "1" "$X"
-}
-
-source ./scripts/shunit2

acceptance_tests/completion.sh

@@ -1,9 +0,0 @@
-#!/bin/bash
-
-testCompletionRuns() {
-    result=$(./yq __complete "" 2>&1)
-    assertEquals 0 $?
-    assertContains "$result" "Completion ended with directive:"
-}
-
-source ./scripts/shunit2

acceptance_tests/empty.sh

@@ -1,83 +0,0 @@
-#!/bin/bash
-
-setUp() {
-  rm test*.yml || true
-  cat >test.yml <<EOL
-# comment
-EOL
-}
-
-testEmptyEval() {
-  X=$(./yq e test.yml)
-  expected="# comment"
-  assertEquals 0 $?
-  assertEquals "$expected" "$X"
-}
-
-testEmptyEvalNoNewLine() {
-  echo -n "#comment" >test.yml
-  X=$(./yq e test.yml)
-  expected=$(cat test.yml)
-  assertEquals 0 $?
-  assertEquals "$expected" "$X"
-}
-
-testEmptyEvalNoNewLineWithExpression() {
-  echo -n "# comment" >test.yml
-  X=$(./yq e '.apple = "tree"' test.yml)
-  read -r -d '' expected << EOM
-# comment
-apple: tree
-EOM
-  assertEquals "$expected" "$X"
-}
-
-testEmptyEvalPipe() {
-  X=$(./yq e - < test.yml)
-  assertEquals 0 $?
-}
-
-testEmptyCommentsWithExpressionEval() {
-  read -r -d '' expected << EOM
-# comment
-apple: tree
-EOM
-
-  X=$(./yq e '.apple="tree"' test.yml)
-
-  assertEquals "$expected" "$X"
-}
-
-testEmptyCommentsWithExpressionEvalAll() {
-  read -r -d '' expected << EOM
-# comment
-apple: tree
-EOM
-
-  X=$(./yq ea '.apple="tree"' test.yml)
-
-  assertEquals "$expected" "$X"
-}
-
-testEmptyWithExpressionEval() {
-  rm test.yml
-  touch test.yml
-  expected="apple: tree"
-
-  X=$(./yq e '.apple="tree"' test.yml)
-
-  assertEquals "$expected" "$X"
-}
-
-testEmptyWithExpressionEvalAll() {
-  rm test.yml
-  touch test.yml
-  expected="apple: tree"
-
-  X=$(./yq ea '.apple="tree"' test.yml)
-
-  assertEquals "$expected" "$X"
-}
-
-
-source ./scripts/shunit2

acceptance_tests/front-matter.sh

@@ -1,76 +0,0 @@
-#!/bin/bash
-
-setUp() {
-  rm test*.yml || true
-  cat >test.yml <<EOL
----
-a: apple
-b: cat
----
-not yaml
-c: at
-EOL
-}
-
-testFrontMatterProcessEval() {
-  read -r -d '' expected << EOM
----
-a: apple
-b: dog
----
-not yaml
-c: at
-EOM
-  ./yq e --front-matter="process" '.b = "dog"' test.yml -i
-  assertEquals "$expected" "$(cat test.yml)"
-}
-
-testFrontMatterProcessEvalAll() {
-  read -r -d '' expected << EOM
----
-a: apple
-b: dog
----
-not yaml
-c: at
-EOM
-  ./yq ea --front-matter="process" '.b = "dog"' test.yml -i
-  assertEquals "$expected" "$(cat test.yml)"
-}
-
-testFrontMatterExtractEval() {
-    cat >test.yml <<EOL
-a: apple
-b: cat
----
-not yaml
-c: at
-EOL
-
-  read -r -d '' expected << EOM
-a: apple
-b: dog
-EOM
-  ./yq e --front-matter="extract" '.b = "dog"' test.yml -i
-  assertEquals "$expected" "$(cat test.yml)"
-}
-
-testFrontMatterExtractEvalAll() {
-  cat >test.yml <<EOL
-a: apple
-b: cat
----
-not yaml
-c: at
-EOL
-
-  read -r -d '' expected << EOM
-a: apple
-b: dog
-EOM
-  ./yq ea --front-matter="extract" '.b = "dog"' test.yml -i
-  assertEquals "$expected" "$(cat test.yml)"
-}
-
-
-source ./scripts/shunit2

acceptance_tests/header-processing-off.sh

@@ -1,43 +0,0 @@
-#!/bin/bash
-
-setUp() {
-  rm test*.yml || true
-  
-}
-
-testLineCountFirstLineComment() {
-  cat >test.yml <<EOL
-#test123 
-abc: 123 
-test123: 123123 
-#comment 
-lalilu: lalilu
-EOL
-
-  X=$(./yq '.lalilu | line' --header-preprocess=false < test.yml)
-  assertEquals "5" "$X"
-}
-
-testArrayOfDocs() {
-  cat >test.yml <<EOL
----
-# leading comment doc 1
-a: 1
----
-# leading comment doc 2
-a: 2
-EOL
-
-read -r -d '' expected << EOM
-- # leading comment doc 1
-  a: 1
-- # leading comment doc 2
-  a: 2
-EOM
-
-  X=$(./yq ea '[.]' --header-preprocess=false < test.yml)
-  assertEquals "$expected" "$X"
-
-}
-
-source ./scripts/shunit2

acceptance_tests/inputs-format-auto.sh

@@ -1,249 +0,0 @@
-#!/bin/bash
-
-setUp() {
-  rm test*.yml 2>/dev/null || true
-  rm test*.toml 2>/dev/null || true
-  rm test*.tfstate 2>/dev/null || true
-  rm test*.json 2>/dev/null || true
-  rm test*.properties 2>/dev/null || true
-  rm test*.csv 2>/dev/null || true
-  rm test*.tsv 2>/dev/null || true
-  rm test*.xml 2>/dev/null || true
-}
-
-testInputJson() {
-  cat >test.json <<EOL
-{ "mike" : { "things": "cool" } }
-EOL
-
-  read -r -d '' expected << EOM
-{
-  "mike": {
-    "things": "cool"
-  }
-}
-EOM
-
-  X=$(./yq test.json)
-  assertEquals "$expected" "$X"
-
-  X=$(./yq ea test.json)
-  assertEquals "$expected" "$X"
-}
-
-testInputToml() {
-  cat >test.toml <<EOL
-[owner]
-name = "Tom Preston-Werner"
-dob = 1979-05-27T07:32:00-08:00
-EOL
-
-  read -r -d '' expected << EOM
-owner:
-  name: Tom Preston-Werner
-  dob: 1979-05-27T07:32:00-08:00
-EOM
-
-  X=$(./yq -oy test.toml)
-  assertEquals "$expected" "$X"
-
-  X=$(./yq ea -oy test.toml)
-  assertEquals "$expected" "$X"
-}
-
-testInputTfstate() {
-  cat >test.tfstate <<EOL
-{ "mike" : { "things": "cool" } }
-EOL
-
-  read -r -d '' expected << EOM
-{"mike": {"things": "cool"}}
-EOM
-
-  X=$(./yq test.tfstate)
-  assertEquals "$expected" "$X"
-
-  X=$(./yq ea test.tfstate)
-  assertEquals "$expected" "$X"
-}
-
-testInputJsonOutputYaml() {
-  cat >test.json <<EOL
-{ "mike" : { "things": "cool" } }
-EOL
-
-  read -r -d '' expected << EOM
-mike:
-  things: cool
-EOM
-
-  X=$(./yq test.json -oy)
-  assertEquals "$expected" "$X"
-
-  X=$(./yq ea test.json -oy)
-  assertEquals "$expected" "$X"
-}
-
-testInputProperties() {
-  cat >test.properties <<EOL
-mike.things = hello
-EOL
-
-  read -r -d '' expected << EOM
-mike.things = hello
-EOM
-
-  X=$(./yq e test.properties)
-  assertEquals "$expected" "$X"
-
-  X=$(./yq test.properties)
-  assertEquals "$expected" "$X"
-
-  X=$(./yq ea test.properties)
-  assertEquals "$expected" "$X"
-}
-
-testInputPropertiesGitHubAction() {
-  cat >test.properties <<EOL
-mike.things = hello
-EOL
-
-  read -r -d '' expected << EOM
-mike.things = hello
-EOM
-
-  X=$(cat /dev/null | ./yq e test.properties)
-  assertEquals "$expected" "$X"
-
-  X=$(cat /dev/null | ./yq ea test.properties)
-  assertEquals "$expected" "$X"
-}
-
-testInputCSV() {
-  cat >test.csv <<EOL
-fruit,yumLevel
-apple,5
-banana,4
-EOL
-
-  read -r -d '' expected << EOM
-fruit,yumLevel
-apple,5
-banana,4
-EOM
-
-  X=$(./yq e test.csv)
-  assertEquals "$expected" "$X"
-
-  X=$(./yq ea test.csv)
-  assertEquals "$expected" "$X"
-}
-
-testInputCSVUTF8() {
-  read -r -d '' expected << EOM
-id,first,last
-1,john,smith
-1,jane,smith
-EOM
-
-  X=$(./yq utf8.csv)
-  assertEquals "$expected" "$X"
-}
-
-testInputTSV() {
-  cat >test.tsv <<EOL
-fruit	yumLevel
-apple	5
-banana	4
-EOL
-
-  read -r -d '' expected << EOM
-fruit	yumLevel
-apple	5
-banana	4
-EOM
-
-  X=$(./yq e test.tsv)
-  assertEquals "$expected" "$X"
-
-  X=$(./yq ea test.tsv)
-  assertEquals "$expected" "$X"
-}
-
-
-
-
-testInputXml() {
-  cat >test.xml <<EOL
-<cat legs="4">BiBi</cat>
-EOL
-
-  read -r -d '' expected << EOM
-<cat legs="4">BiBi</cat>
-EOM
-
-  X=$(./yq e test.xml)
-  assertEquals "$expected" "$X"
-
-  X=$(./yq ea test.xml)
-  assertEquals "$expected" "$X"
-}
-
-testInputXmlNamespaces() {
-  cat >test.xml <<EOL
-<?xml version="1.0"?>
-<map xmlns="some-namespace" xmlns:xsi="some-instance" xsi:schemaLocation="some-url">
-</map>
-EOL
-
-  read -r -d '' expected << EOM
-<?xml version="1.0"?>
-<map xmlns="some-namespace" xmlns:xsi="some-instance" xsi:schemaLocation="some-url"></map>
-EOM
-
-  X=$(./yq e test.xml)
-  assertEquals "$expected" "$X"
-
-  X=$(./yq ea test.xml)
-  assertEquals "$expected" "$X"
-}
-
-
-
-testInputXmlStrict() {
-  cat >test.xml <<EOL
-<?xml version="1.0"?>
-<!DOCTYPE root [
-<!ENTITY writer "Catherine.">
-<!ENTITY copyright "(r) Great">
-]>
-<root>
-    <item>&writer;&copyright;</item>
-</root>
-EOL
-
-  X=$(./yq --xml-strict-mode test.xml  2>&1)
-  assertEquals 1 $?
-  assertEquals "Error: bad file 'test.xml': XML syntax error on line 7: invalid character entity &writer;" "$X"
-
-  X=$(./yq ea --xml-strict-mode test.xml  2>&1)
-  assertEquals "Error: bad file 'test.xml': XML syntax error on line 7: invalid character entity &writer;" "$X"
-}
-
-testInputXmlGithubAction() {
-  cat >test.xml <<EOL
-<cat legs="4">BiBi</cat>
-EOL
-
-  read -r -d '' expected << EOM
-<cat legs="4">BiBi</cat>
-EOM
-
-  X=$(cat /dev/null | ./yq e test.xml)
-  assertEquals "$expected" "$X"
-
-  X=$(cat /dev/null | ./yq ea test.xml)
-  assertEquals "$expected" "$X"
-}
-
-source ./scripts/shunit2

acceptance_tests/inputs-format.sh

@@ -1,203 +0,0 @@
-#!/bin/bash
-
-setUp() {
-  rm test*.yml 2>/dev/null || true
-  rm test*.properties 2>/dev/null || true
-  rm test*.csv 2>/dev/null || true
-  rm test*.tsv 2>/dev/null || true
-  rm test*.xml 2>/dev/null || true
-}
-
-testInputProperties() {
-  cat >test.properties <<EOL
-mike.things = hello
-EOL
-
-  read -r -d '' expected << EOM
-mike:
-  things: hello
-EOM
-
-  X=$(./yq e -p=props test.properties)
-  assertEquals "$expected" "$X"
-
-  X=$(./yq ea -p=props test.properties)
-  assertEquals "$expected" "$X"
-}
-
-testInputPropertiesGitHubAction() {
-  cat >test.properties <<EOL
-mike.things = hello
-EOL
-
-  read -r -d '' expected << EOM
-mike:
-  things: hello
-EOM
-
-  X=$(cat /dev/null | ./yq e -p=props test.properties)
-  assertEquals "$expected" "$X"
-
-  X=$(cat /dev/null | ./yq ea -p=props test.properties)
-  assertEquals "$expected" "$X"
-}
-
-testInputCSV() {
-  cat >test.csv <<EOL
-fruit,yumLevel
-apple,5
-banana,4
-EOL
-
-  read -r -d '' expected << EOM
-- fruit: apple
-  yumLevel: 5
-- fruit: banana
-  yumLevel: 4
-EOM
-
-  X=$(./yq e -p=csv test.csv)
-  assertEquals "$expected" "$X"
-
-  X=$(./yq ea -p=csv test.csv)
-  assertEquals "$expected" "$X"
-}
-
-testInputCSVUTF8() {
-  read -r -d '' expected << EOM
-- id: 1
-  first: john
-  last: smith
-- id: 1
-  first: jane
-  last: smith
-EOM
-
-  X=$(./yq -p=csv utf8.csv)
-  assertEquals "$expected" "$X"
-}
-
-testInputTSV() {
-  cat >test.tsv <<EOL
-fruit	yumLevel
-apple	5
-banana	4
-EOL
-
-  read -r -d '' expected << EOM
-- fruit: apple
-  yumLevel: 5
-- fruit: banana
-  yumLevel: 4
-EOM
-
-  X=$(./yq e -p=t test.tsv)
-  assertEquals "$expected" "$X"
-
-  X=$(./yq ea -p=t test.tsv)
-  assertEquals "$expected" "$X"
-}
-
-
-
-
-testInputXml() {
-  cat >test.yml <<EOL
-<cat legs="4">BiBi</cat>
-EOL
-
-  read -r -d '' expected << EOM
-cat:
-  +content: BiBi
-  +@legs: "4"
-EOM
-
-  X=$(./yq e -p=xml test.yml)
-  assertEquals "$expected" "$X"
-
-  X=$(./yq ea -p=xml test.yml)
-  assertEquals "$expected" "$X"
-}
-
-testInputXmlNamespaces() {
-  cat >test.xml <<EOL
-<?xml version="1.0"?>
-<map xmlns="some-namespace" xmlns:xsi="some-instance" xsi:schemaLocation="some-url">
-</map>
-EOL
-
-  read -r -d '' expected << EOM
-+p_xml: version="1.0"
-map:
-  +@xmlns: some-namespace
-  +@xmlns:xsi: some-instance
-  +@xsi:schemaLocation: some-url
-EOM
-
-  X=$(./yq e -p=xml test.xml)
-  assertEquals "$expected" "$X"
-
-  X=$(./yq ea -p=xml test.xml)
-  assertEquals "$expected" "$X"
-}
-
-testInputXmlRoundtrip() {
-  cat >test.yml <<EOL
-<?xml version="1.0"?>
-<!DOCTYPE config SYSTEM "/etc/iwatch/iwatch.dtd" >
-<map xmlns="some-namespace" xmlns:xsi="some-instance" xsi:schemaLocation="some-url">Meow</map>
-EOL
-
-  read -r -d '' expected << EOM
-<?xml version="1.0"?>
-<!DOCTYPE config SYSTEM "/etc/iwatch/iwatch.dtd" >
-<map xmlns="some-namespace" xmlns:xsi="some-instance" xsi:schemaLocation="some-url">Meow</map>
-EOM
-
-  X=$(./yq -p=xml -o=xml test.yml)
-  assertEquals "$expected" "$X"
-
-  X=$(./yq ea -p=xml -o=xml test.yml)
-  assertEquals "$expected" "$X"
-}
-
-
-testInputXmlStrict() {
-  cat >test.yml <<EOL
-<?xml version="1.0"?>
-<!DOCTYPE root [
-<!ENTITY writer "Catherine.">
-<!ENTITY copyright "(r) Great">
-]>
-<root>
-    <item>&writer;&copyright;</item>
-</root>
-EOL
-
-  X=$(./yq -p=xml --xml-strict-mode test.yml -o=xml 2>&1)
-  assertEquals 1 $?
-  assertEquals "Error: bad file 'test.yml': XML syntax error on line 7: invalid character entity &writer;" "$X"
-
-  X=$(./yq ea -p=xml --xml-strict-mode test.yml -o=xml 2>&1)
-  assertEquals "Error: bad file 'test.yml': XML syntax error on line 7: invalid character entity &writer;" "$X"
-}
-
-testInputXmlGithubAction() {
-  cat >test.yml <<EOL
-<cat legs="4">BiBi</cat>
-EOL
-
-  read -r -d '' expected << EOM
-cat:
-  +content: BiBi
-  +@legs: "4"
-EOM
-
-  X=$(cat /dev/null | ./yq e -p=xml test.yml)
-  assertEquals "$expected" "$X"
-
-  X=$(cat /dev/null | ./yq ea -p=xml test.yml)
-  assertEquals "$expected" "$X"
-}
-
-source ./scripts/shunit2

acceptance_tests/leading-separator.sh

@@ -1,529 +0,0 @@
-#!/bin/bash
-
-
-# examples where header-preprocess is required
-
-setUp() {
-  rm test*.yml || true
-  cat >test.yml <<EOL
----
-a: test
-EOL
-}
-
-testLeadingSeparatorWithDoc() {
-  cat >test.yml <<EOL
-# hi peeps
-# cool
----
-a: test
----
-b: cool
-EOL
-
-  read -r -d '' expected << EOM
-# hi peeps
-# cool
----
-a: thing
----
-b: cool
-EOM
-
-  X=$(./yq e '(select(di == 0) | .a) = "thing"' - < test.yml)
-  assertEquals "$expected" "$X"
-}
-
-
-testLeadingSeparatorWithNewlinesNewDoc() {
-  cat >test.yml <<EOL
-# hi peeps
-# cool
-
-
----
-a: test
----
-b: cool
-EOL
-
-  read -r -d '' expected << EOM
-# hi peeps
-# cool
-
-
----
-a: thing
----
-b: cool
-EOM
-
-  X=$(./yq e '(select(di == 0) | .a) = "thing"' - < test.yml)
-  assertEquals "$expected" "$X"
-}
-
-testLeadingSeparatorWithNewlinesMoreComments() {
-  cat >test.yml <<EOL
-# hi peeps
-# cool
-
----
-# great
-
-a: test
----
-b: cool
-EOL
-
-  read -r -d '' expected << EOM
-# hi peeps
-# cool
-
----
-# great
-
-a: thing
----
-b: cool
-EOM
-
-  X=$(./yq e '(select(di == 0) | .a) = "thing"' - < test.yml)
-  assertEquals "$expected" "$X"
-}
-
-
-testLeadingSeparatorWithDirective() {
-  cat >test.yml <<EOL
-%YAML 1.1
----
-this: should really work
-EOL
-
-  read -r -d '' expected << EOM
-%YAML 1.1
----
-this: should really work
-EOM
-
-  X=$(./yq < test.yml)
-  assertEquals "$expected" "$X"
-}
-
-
-testLeadingSeparatorPipeIntoEvalSeq() {
-  X=$(./yq e - < test.yml)
-  expected=$(cat test.yml)
-  assertEquals "$expected" "$X"
-}
-
-testLeadingSeparatorExtractField() {
-  X=$(./yq e '.a' - < test.yml)
-  assertEquals "test" "$X"
-}
-
-testLeadingSeparatorExtractFieldWithCommentsAfterSep() {
-  cat >test.yml <<EOL
----
-# hi peeps
-# cool
-a: test
-EOL
-  X=$(./yq e '.a' test.yml)
-  assertEquals "test" "$X"
-}
-
-testLeadingSeparatorExtractFieldWithCommentsBeforeSep() {
-  cat >test.yml <<EOL
-# hi peeps
-# cool
----
-a: test
-EOL
-  X=$(./yq e '.a' test.yml)
-  assertEquals "test" "$X"
-}
-
-
-testLeadingSeparatorExtractFieldMultiDoc() {
-  cat >test.yml <<EOL
----
-a: test
----
-a: test2
-EOL
-
-  read -r -d '' expected << EOM
-test
----
-test2
-EOM
-  X=$(./yq e '.a' test.yml)
-  assertEquals "$expected" "$X"
-}
-
-testLeadingSeparatorExtractFieldMultiDocWithComments() {
-  cat >test.yml <<EOL
-# here
----
-# there
-a: test
-# wherever
----
-# you are
-a: test2
-# woop
-EOL
-
-  read -r -d '' expected << EOM
-test
----
-test2
-EOM
-  X=$(./yq e '.a' test.yml)
-  assertEquals "$expected" "$X"
-}
-
-
-testLeadingSeparatorEvalSeq() {
-  X=$(./yq e test.yml)
-  expected=$(cat test.yml)
-  assertEquals "$expected" "$X"
-}
-
-testLeadingSeparatorPipeIntoEvalAll() {
-  X=$(./yq ea - < test.yml)
-  expected=$(cat test.yml)
-  assertEquals "$expected" "$X"
-}
-
-
-testLeadingSeparatorEvalAll() {
-  X=$(./yq ea test.yml)
-  expected=$(cat test.yml)
-  assertEquals "$expected" "$X"
-}
-
-testLeadingSeparatorMultiDocEvalSimple() {
-  read -r -d '' expected << EOM
----
-a: test
----
-version: 3
-application: MyApp
-EOM
-
-
-  X=$(./yq e '.' test.yml examples/order.yaml)
-  assertEquals "$expected" "$X"
-}
-
-testLeadingSeparatorMultiDocInOneFile() {
-  cat >test.yml <<EOL
----
-# hi peeps
-# cool
-a: test
----
-b: things
-EOL
-  expected=$(cat test.yml)
-  X=$(./yq e '.' test.yml)
-  assertEquals "$expected" "$X"
-}
-
-testLeadingSeparatorMultiDocInOneFileEvalAll() {
-  cat >test.yml <<EOL
----
-# hi peeps
-# cool
-a: test
----
-b: things
-EOL
-  expected=$(cat test.yml)
-  X=$(./yq ea '.' test.yml)
-  assertEquals "$expected" "$X"
-}
-
-testLeadingSeparatorMultiDocEvalComments() {
-  cat >test.yml <<EOL
-# hi peeps
-# cool
-a: test
-EOL
-
-cat >test2.yml <<EOL
-# this is another doc
-# great
-b: sane
-EOL
-
-  read -r -d '' expected << EOM
-# hi peeps
-# cool
-a: test
----
-# this is another doc
-# great
-b: sane
-EOM
-
-
-  X=$(./yq e '.' test.yml test2.yml)
-  assertEquals "$expected" "$X"
-}
-
-testLeadingSeparatorMultiDocEvalCommentsTrailingSep() {
-  cat >test.yml <<EOL
-# hi peeps
-# cool
----
-a: test
-EOL
-
-cat >test2.yml <<EOL
-# this is another doc
-# great
----
-b: sane
-EOL
-
-  read -r -d '' expected << EOM
-# hi peeps
-# cool
----
-a: test
----
-# this is another doc
-# great
----
-b: sane
-EOM
-
-
-  X=$(./yq e '.' test.yml test2.yml)
-  assertEquals "$expected" "$X"
-}
-
-testLeadingSeparatorMultiMultiDocEvalCommentsTrailingSep() {
-  cat >test.yml <<EOL
-# hi peeps
-# cool
----
-a: test
----
-a1: test2
-EOL
-
-cat >test2.yml <<EOL
-# this is another doc
-# great
----
-b: sane
----
-b2: cool
-EOL
-
-  read -r -d '' expected << EOM
-# hi peeps
-# cool
----
-a: test
----
-a1: test2
----
-# this is another doc
-# great
----
-b: sane
----
-b2: cool
-EOM
-
-
-  X=$(./yq e '.' test.yml test2.yml)
-  assertEquals "$expected" "$X"
-}
-
-testLeadingSeparatorMultiDocEvalCommentsLeadingSep() {
-  cat >test.yml <<EOL
----
-# hi peeps
-# cool
-a: test
-EOL
-
-cat >test2.yml <<EOL
----
-# this is another doc
-# great
-b: sane
-EOL
-
-  read -r -d '' expected << EOM
----
-# hi peeps
-# cool
-a: test
----
-# this is another doc
-# great
-b: sane
-EOM
-
-
-  X=$(./yq e '.' test.yml test2.yml)
-  assertEquals "$expected" "$X"
-}
-
-# https://github.com/mikefarah/yq/issues/919
-testLeadingSeparatorDoesNotBreakCommentsOnOtherFiles() {
-  cat >test.yml <<EOL
-# a1
-a: 1
-# a2
-EOL
-
-cat >test2.yml <<EOL
-# b1
-b: 2
-# b2
-EOL
-
-  read -r -d '' expected << EOM
-# a1
-a: 1
-# a2
-
-# b1
-b: 2
-# b2
-EOM
-
-
-  X=$(./yq ea 'select(fi == 0) * select(fi == 1)' test.yml test2.yml)
-  assertEquals "$expected" "$X"
-}
-
-testLeadingSeparatorMultiDocEvalCommentsStripComments() {
-  cat >test.yml <<EOL
----
-# hi peeps
-# cool
-a: test
----
-# this is another doc
-# great
-b: sane
-EOL
-
-  # it will be hard to remove that top level separator
-  read -r -d '' expected << EOM
-a: test
----
-b: sane
-EOM
-
-  X=$(./yq e '... comments=""'  test.yml)
-  assertEquals "$expected" "$X"
-}
-
-testLeadingSeparatorMultiDocEvalCommentsLeadingSepNoDocFlag() {
-  cat >test.yml <<EOL
----
-# hi peeps
-# cool
-a: test
----
-# this is another doc
-# great
-b: sane
-EOL
-
-  read -r -d '' expected << EOM
-# hi peeps
-# cool
-a: test
-# this is another doc
-# great
-b: sane
-EOM
-
-
-  X=$(./yq e '.' --no-doc test.yml)
-  assertEquals "$expected" "$X"
-}
-
-testLeadingSeparatorMultiDocEvalJsonFlag() {
-  cat >test.yml <<EOL
----
-# hi peeps
-# cool
-a: test
-EOL
-
-cat >test2.yml <<EOL
----
-# this is another doc
-# great
-b: sane
-EOL
-
-  read -r -d '' expected << EOM
-{
-  "a": "test"
-}
-{
-  "b": "sane"
-}
-EOM
-
-
-  X=$(./yq e '.' -j test.yml test2.yml)
-  assertEquals "$expected" "$X"
-}
-
-testLeadingSeparatorMultiDocEvalAllJsonFlag() {
-  cat >test.yml <<EOL
----
-# hi peeps
-# cool
-a: test
-EOL
-
-cat >test2.yml <<EOL
----
-# this is another doc
-# great
-b: sane
-EOL
-
-  read -r -d '' expected << EOM
-{
-  "a": "test"
-}
-{
-  "b": "sane"
-}
-EOM
-
-
-  X=$(./yq ea '.' -j test.yml test2.yml)
-  assertEquals "$expected" "$X"
-}
-
-testLeadingSeparatorMultiDocEvalAll() {
-  read -r -d '' expected << EOM
----
-a: test
----
-version: 3
-application: MyApp
-EOM
-
-
-  X=$(./yq ea '.' test.yml examples/order.yaml)
-  assertEquals "$expected" "$X"
-}
-
-source ./scripts/shunit2

acceptance_tests/load-file.sh

@@ -1,27 +0,0 @@
-#!/bin/bash
-
-testLoadFileNotExist() {
-  result=$(./yq e -n 'load("cat.yml")' 2>&1)
-  assertEquals 1 $?
-  assertEquals "Error: Failed to load cat.yml: open cat.yml: no such file or directory" "$result"
-}
-
-testLoadFileExpNotExist() {
-  result=$(./yq e -n 'load(.a)' 2>&1)
-  assertEquals 1 $?
-  assertEquals "Error: filename expression returned nil" "$result"
-}
-
-testStrLoadFileNotExist() {
-  result=$(./yq e -n 'strload("cat.yml")' 2>&1)
-  assertEquals 1 $?
-  assertEquals "Error: Failed to load cat.yml: open cat.yml: no such file or directory" "$result"
-}
-
-testStrLoadFileExpNotExist() {
-  result=$(./yq e -n 'strload(.a)' 2>&1)
-  assertEquals 1 $?
-  assertEquals "Error: filename expression returned nil" "$result"
-}
-
-source ./scripts/shunit2

acceptance_tests/nul-separator.sh

@@ -1,286 +0,0 @@
-#!/bin/bash
-
-setUp() {
-    rm test*.yml || true
-}
-
-## Convenient bash shortcut to read records of NUL separated values
-## from stdin the safe way. See example usage in the next tests.
-read-0() {
-    local eof="" IFS=''
-    while [ "$1" ]; do
-        ## - The `-r` avoids bad surprise with '\n' and other interpreted
-        ##   sequences that can be read.
-        ## - The `-d ''` is the (strange?) way to refer to NUL delimiter.
-        ## - The `--` is how to avoid unpleasant surprises if your
-        ##   "$1" starts with "-" (minus) sign. This protection also
-        ##   will produce a readable error if you want to try to start
-        ##   your variable names with a "-".
-        read -r -d '' -- "$1" || eof=1
-        shift
-    done
-    [ -z "$eof" ] ## fail on EOF
-}
-
-## Convenient bash shortcut to be used with the next function `p-err`
-## to read NUL separated values the safe way AND catch any errors from
-## the process creating the stream of NUL separated data.  See example
-## usage in the tests.
-read-0-err() {
-    local ret="$1" eof="" idx=0 last=
-    read -r -- "${ret?}" <<<"0"
-    shift
-    while [ "$1" ]; do
-        last=$idx
-        read -r -d '' -- "$1" || {
-            ## Put this last value in ${!ret}
-            eof="$1"
-            read -r -- "$ret" <<<"${!eof}"
-            break
-        }
-        ((idx++))
-        shift
-    done
-    [ -z "$eof" ] || {
-        if [ "$last" != 0 ]; then
-            ## Uhoh, we have no idea if the errorlevel of the internal
-            ## command was properly delimited with a NUL char, and
-            ## anyway something went really wrong at least about the
-            ## number of fields separated by NUL char and the one
-            ## expected.
-            echo "Error: read-0-err couldn't fill all value $ret = '${!ret}', '$eof', '${!eof}'" >&2
-            read -r -- "$ret" <<<"not-enough-values"
-        else
-            if ! [[ "${!ret}" =~ ^[0-9]+$ && "${!ret}" -ge 0 && "${!ret}" -le 127 ]]; then
-                ## This could happen if you don't use `p-err` wrapper,
-                ## or used stdout in unexpected ways in your inner
-                ## command.
-                echo "Error: last value is not a number, did you finish with an errorlevel ?" >&2
-                read -r -- "$ret" <<<"last-value-not-a-number"
-            fi
-        fi
-        false
-    }
-}
-
-## Simply runs command given as argument and adds errorlevel in the
-## standard output. Is expected to be used in tandem with
-## `read-0-err`.
-p-err() {
-    local exp="$1"
-    "$@"
-    printf "%s" "$?"
-}
-
-wyq-r() {
-    local exp="$1"
-    ./yq e -0 -r=false "$1"
-    printf "%s" "$?"
-}
-
-testBasicUsageRaw() {
-  cat >test.yml <<EOL
-a: foo
-b: bar
-EOL
-
-  printf "foo\0bar\0" > expected.out
-
-  ## We need to compare binary content here. We have to filter the compared
-  ## content through a representation that gets rid of NUL chars but accurately
-  ## transcribe the content.
-  ## Also as it would be nice to have a pretty output in case the test fails,
-  ## we use here 'hd': a widely available shortcut to 'hexdump' that will
-  ## pretty-print any binary to it's hexadecimal representation.
-  ##
-  ## Note that the standard `assertEquals` compare its arguments
-  ## value, but they can't hold NUL characters (this comes from the
-  ## limitation of the C API of `exec*(..)` functions that requires
-  ## `const char *arv[]`). And these are NUL terminated strings.  As a
-  ## consequence, the NUL characters gets removed in bash arguments.
-  assertEquals "$(hd expected.out)" \
-               "$(./yq e -0 '.a, .b' test.yml | hd)"
-
-  rm expected.out
-}
-
-testBasicUsage() {
-  local a b
-  cat >test.yml <<EOL
-a: foo
-b: bar
-EOL
-
-  ## We provide 2 values, and ask to fill 2 variables.
-  read-0 a b < <(./yq e -0 '.a, .b' test.yml)
-  assertEquals "$?" "0"      ## Everything is fine
-  assertEquals "foo" "$a"    ## Values are correctly parsed
-  assertEquals "bar" "$b"
-
-  a=YYY ; b=XXX
-  ## Not enough values provided to fill `a` and `b`.
-  read-0 a b < <(./yq e -0 '.a' test.yml)
-  assertEquals "$?" "1"      ## An error was emitted
-  assertEquals "foo" "$a"    ## First value was correctly parsed
-  assertEquals "" "$b"       ## Second was still reset
-
-  ## Error from inner command are not catchable !. Use
-  ## `read-0-err`/`p-err` for that.
-  read-0 a < <(printf "\0"; ./yq e -0 'xxx' test.yml; )
-  assertEquals "$?" "0"
-
-}
-
-testBasicUsageJson() {
-  cat >test.yml <<EOL
-a:
-  x: foo
-b: bar
-EOL
-
-  read-0 a b < <(./yq e -0 -o=json '.a, .b' test.yml)
-
-  assertEquals '{
-  "x": "foo"
-}' "$a"
-  assertEquals '"bar"' "$b"
-
-}
-
-testFailWithValueContainingNUL() {
-  local a b c
-  ## Note that value of field 'a' actually contains a NUL char !
-  cat >test.yml <<EOL
-a: "foo\u0000bar"
-b: 1
-c: |
-  wiz
-  boom
-EOL
-
-  ## We are looking for trouble with asking to separated fields with NUL
-  ## char and requested value `.a` actually contains itself a NUL char !
-  read-0 a b c < <(./yq e -0 '.a, .b, .c' test.yml)
-  assertNotEquals "0" "$?"   ## read-0 failed to fill all values
-
-  ## But here, we can request for one value, even if `./yq` fails
-  read-0 b < <(./yq e -0 '.b, .a' test.yml)
-  assertEquals "0" "$?"   ## read-0 succeeds at feeding the first value
-  ## Note: to catch the failure of `yq`, see in the next tests the usage
-  ## of `read-0-err`.
-
-  ## using -r=false solves any NUL containing value issues, but keeps
-  ## all in YAML representation:
-  read-0 a b c < <(./yq e -0 -r=false '.a, .b, .c' test.yml)
-  assertEquals "0" "$?"    ## All goes well despite asking for `a` value
-
-  assertEquals '"foo\0bar"' "$a"   ## This is a YAML string representation
-  assertEquals '1' "$b"
-  assertEquals '|
-  wiz
-  boom' "$c"
-}
-
-testStandardLoop() {
-    local E a b res
-
-    ## Here everything is normal: 4 values, that will be paired
-    ## in key/values.
-    cat >test.yml <<EOL
-- yay
-- wiz
-- hop
-- pow
-EOL
-
-    res=""
-    while read-0-err E a b; do
-        res+="$a: $b;"
-    done < <(p-err ./yq -0 '.[]' test.yml)
-
-    assertEquals "0" "$E"                     ## errorlevel of internal command
-    assertEquals "yay: wiz;hop: pow;" "$res"  ## expected result
-}
-
-testStandardLoopWithoutEnoughValues() {
-    local E a b res
-
-    ## Here 5 values, there will be a missing value when reading
-    ## pairs of value.
-    cat >test.yml <<EOL
-- yay
-- wiz
-- hop
-- pow
-- kwak
-EOL
-
-    res=""
-    ## The loop will succeed 2 times then fail
-    while read-0-err E a b; do
-        res+="$a: $b;"
-    done < <(p-err ./yq -0 '.[]' test.yml)
-
-    assertEquals "not-enough-values" "$E"     ## Not enough value error
-    assertEquals "yay: wiz;hop: pow;" "$res"  ## the 2 full key/value pairs
-
-}
-
-testStandardLoopWithInternalCmdError() {
-    local E a b res
-
-    ## Note the third value contains a NUL char !
-    cat >test.yml <<EOL
-- yay
-- wiz
-- "foo\0bar"
-- hop
-- pow
-EOL
-
-    res=""
-    ## It should be only upon the second pass in the loop that
-    ## read-0-err will catch the fact that there is an error !
-    while read-0-err E a b; do
-        res+="$a: $b;"
-    done < <(p-err ./yq -0 '.[]' test.yml)
-    assertEquals "1" "$E"            ## Internal command errorlevel (from `./yq`)
-    assertEquals "yay: wiz;" "$res"  ## first 2 values were ok at least
-
-}
-
-testStandardLoopNotEnoughErrorEatsCmdError() {
-    local E a b res
-
-    ## Because of possible edge cases where the internal errorlevel
-    ## reported by `p-err` in the standard output might be mangled
-    ## with the unfinished record, `read-0-err E ...` will NOT report
-    ## the internal command error in the variable E and instead will
-    ## store the value 'not-enough-values'. In real world, anyway, you
-    ## will want to react the same if the internal command failed
-    ## and/or you didn't get as much values as expected while
-    ## reading. Keep in mind also that standard error is not
-    ## swallowed, so you can read reports from the inner command AND
-    ## from `read-0-err`.
-
-    ## Here, note that the fourth value contains a NUL char !
-    cat >test.yml <<EOL
-- yay
-- wiz
-- hop
-- "foo\0bar"
-- pow
-EOL
-
-    res=""
-    ## It should be only upon the second loop that read-0-err will catch
-    ## the fact that there are not enough data to fill the requested variables
-    while read-0-err E a b; do
-        res+="$a: $b;"
-    done < <(p-err ./yq -0 '.[]' test.yml)
-    assertEquals "not-enough-values" "$E"          ## Not enough values error eats internal error !
-    assertEquals "yay: wiz;" "$res"  ## first 2 values were ok at least
-}
-
-
-source ./scripts/shunit2

acceptance_tests/output-format.sh

@@ -1,322 +0,0 @@
-#!/bin/bash
-
-setUp() {
-  rm test*.yml || true
-}
-
-testOutputJsonDeprecated() {
-  cat >test.yml <<EOL
-a: {b: ["cat"]}
-EOL
-
-  read -r -d '' expected << EOM
-{
-  "a": {
-    "b": [
-      "cat"
-    ]
-  }
-}
-EOM
-
-  X=$(./yq e -j test.yml)
-  assertEquals "$expected" "$X"
-
-  X=$(./yq ea -j test.yml)
-  assertEquals "$expected" "$X"
-}
-
-testOutputJson() {
-  cat >test.yml <<EOL
-a: {b: ["cat"]}
-EOL
-
-  read -r -d '' expected << EOM
-{
-  "a": {
-    "b": [
-      "cat"
-    ]
-  }
-}
-EOM
-
-  X=$(./yq e --output-format=json test.yml)
-  assertEquals "$expected" "$X"
-
-  X=$(./yq ea --output-format=json test.yml)
-  assertEquals "$expected" "$X"
-}
-
-testOutputYamlRawDefault() {
-  cat >test.yml <<EOL
-a: "cat"
-EOL
-
-  X=$(./yq e  '.a' test.yml)
-  assertEquals "cat" "$X"
-
-  X=$(./yq ea '.a' test.yml)
-  assertEquals "cat" "$X"
-}
-
-testOutputYamlRawOff() {
-  cat >test.yml <<EOL
-a: "cat"
-EOL
-
-  X=$(./yq e -r=false '.a' test.yml)
-  assertEquals "\"cat\"" "$X"
-
-  X=$(./yq ea -r=false '.a' test.yml)
-  assertEquals "\"cat\"" "$X"
-}
-
-testOutputYamlRawOnRoot() {
-  cat >test.yml <<EOL
-'a'
-EOL
-
-  X=$(./yq e -r '.' test.yml)
-  assertEquals "a" "$X"
-}
-
-testOutputJsonRaw() {
-  cat >test.yml <<EOL
-a: cat
-EOL
-
-  X=$(./yq e -r --output-format=json '.a' test.yml)
-  assertEquals "cat" "$X"
-
-  X=$(./yq ea -r --output-format=json '.a' test.yml)
-  assertEquals "cat" "$X"
-}
-
-testOutputJsonDefault() {
-  cat >test.yml <<EOL
-a: cat
-EOL
-
-  X=$(./yq e --output-format=json '.a' test.yml)
-  assertEquals "\"cat\"" "$X"
-
-  X=$(./yq ea --output-format=json '.a' test.yml)
-  assertEquals "\"cat\"" "$X"
-}
-
-
-testOutputJsonShort() {
-  cat >test.yml <<EOL
-a: {b: ["cat"]}
-EOL
-
-  read -r -d '' expected << EOM
-{
-  "a": {
-    "b": [
-      "cat"
-    ]
-  }
-}
-EOM
-
-  X=$(./yq e -o=j test.yml)
-  assertEquals "$expected" "$X"
-
-  X=$(./yq ea -o=j test.yml)
-  assertEquals "$expected" "$X"
-}
-
-testOutputProperties() {
-  cat >test.yml <<EOL
-a: {b: {c: ["cat cat"]}}
-EOL
-
-  read -r -d '' expected << EOM
-a.b.c.0 = cat cat
-EOM
-
-  X=$(./yq e --output-format=props test.yml)
-  assertEquals "$expected" "$X"
-
-  X=$(./yq ea --output-format=props test.yml)
-  assertEquals "$expected" "$X"
-}
-
-testOutputPropertiesDontUnwrap() {
-  cat >test.yml <<EOL
-a: {b: {c: ["cat cat"]}}
-EOL
-
-  read -r -d '' expected << EOM
-a.b.c.0 = "cat cat"
-EOM
-
-  X=$(./yq e -r=false --output-format=props test.yml)
-  assertEquals "$expected" "$X"
-
-  X=$(./yq ea -r=false --output-format=props test.yml)
-  assertEquals "$expected" "$X"
-}
-
-
-testOutputPropertiesShort() {
-  cat >test.yml <<EOL
-a: {b: {c: ["cat cat"]}}
-EOL
-
-  read -r -d '' expected << EOM
-a.b.c.0 = cat cat
-EOM
-
-  X=$(./yq e -o=p test.yml)
-  assertEquals "$expected" "$X"
-
-  X=$(./yq ea -o=p test.yml)
-  assertEquals "$expected" "$X"
-}
-
-testOutputCSV() {
-  cat >test.yml <<EOL
-- fruit: apple
-  yumLevel: 5
-- fruit: banana
-  yumLevel: 4
-EOL
-
-  read -r -d '' expected << EOM
-fruit,yumLevel
-apple,5
-banana,4
-EOM
-
-  X=$(./yq -o=c test.yml)
-  assertEquals "$expected" "$X"
-
-  X=$(./yq ea -o=csv test.yml)
-  assertEquals "$expected" "$X"
-}
-
-testOutputTSV() {
-  cat >test.yml <<EOL
-- fruit: apple
-  yumLevel: 5
-- fruit: banana
-  yumLevel: 4
-EOL
-
-  read -r -d '' expected << EOM
-fruit	yumLevel
-apple	5
-banana	4
-EOM
-
-  X=$(./yq -o=t test.yml)
-  assertEquals "$expected" "$X"
-
-  X=$(./yq ea -o=tsv test.yml)
-  assertEquals "$expected" "$X"
-}
-
-testOutputXml() {
-  cat >test.yml <<EOL
-a: {b: {c: ["cat"]}}
-EOL
-
-  read -r -d '' expected << EOM
-<a>
-  <b>
-    <c>cat</c>
-  </b>
-</a>
-EOM
-
-  X=$(./yq e --output-format=xml test.yml)
-  assertEquals "$expected" "$X"
-
-  X=$(./yq ea --output-format=xml test.yml)
-  assertEquals "$expected" "$X"
-}
-
-testOutputXmlShort() {
-  cat >test.yml <<EOL
-a: {b: {c: ["cat"]}}
-EOL
-
-  read -r -d '' expected << EOM
-<a>
-  <b>
-    <c>cat</c>
-  </b>
-</a>
-EOM
-
-  X=$(./yq e --output-format=x test.yml)
-  assertEquals "$expected" "$X"
-
-  X=$(./yq ea --output-format=x test.yml)
-  assertEquals "$expected" "$X"
-}
-
-testOutputXmComplex() {
-  cat >test.yml <<EOL
-a: {b: {c: ["cat", "dog"], +@f: meow}}
-EOL
-
-  read -r -d '' expected << EOM
-<a>
-  <b f="meow">
-    <c>cat</c>
-    <c>dog</c>
-  </b>
-</a>
-EOM
-
-  X=$(./yq e --output-format=x test.yml)
-  assertEquals "$expected" "$X"
-
-  X=$(./yq ea --output-format=x test.yml)
-  assertEquals "$expected" "$X"
-}
-
-testLuaOutputPretty() {
-  cat >test.yml <<EOL
-animals:
-  cat: meow
-EOL
-
-  read -r -d '' expected << EOM
-return {
-	["animals"] = {
-		["cat"] = "meow";
-	};
-};
-EOM
-
-  X=$(./yq e --output-format=lua test.yml)
-  assertEquals "$expected" "$X"
-
-  X=$(./yq e --output-format=lua --prettyPrint test.yml)
-  assertEquals "$expected" "$X"
-
-}
-
-testLuaOutputSubset() {
-  cat >test.yml <<EOL
-animals:
-  cat: meow
-EOL
-
-  read -r -d '' expected << EOM
-return {
-	["cat"] = "meow";
-};
-EOM
-
-  X=$(./yq e --output-format=lua '.animals' test.yml)
-  assertEquals "$expected" "$X"
-
-}
-
-source ./scripts/shunit2

acceptance_tests/pipe.sh

@@ -1,70 +0,0 @@
-#!/bin/bash
-
-setUp() {
-  rm test*.yml || true
-  cat >test.yml <<EOL
-a: frog
-EOL
-}
-
-testPipeViaCatWithParam() {
-  X=$(cat test.yml | ./yq '.a')
-  assertEquals "frog" "$X"
-}
-
-testPipeViaCatWithParamEval() {
-  X=$(cat test.yml | ./yq e '.a')
-  assertEquals "frog" "$X"
-}
-
-testPipeViaCatWithParamEvalAll() {
-  X=$(cat test.yml | ./yq ea '.a')
-  assertEquals "frog" "$X"
-}
-
-testPipeViaCatNoParam() {
-  X=$(cat test.yml | ./yq)
-  assertEquals "a: frog" "$X"
-}
-
-testPipeViaCatNoParamEval() {
-  X=$(cat test.yml | ./yq e)
-  assertEquals "a: frog" "$X"
-}
-
-testPipeViaCatNoParamEvalAll() {
-  X=$(cat test.yml | ./yq ea)
-  assertEquals "a: frog" "$X"
-}
-
-testPipeViaFileishWithParam() {
-  X=$(./yq '.a' < test.yml)
-  assertEquals "frog" "$X"
-}
-
-testPipeViaFileishWithParamEval() {
-  X=$(./yq e '.a' < test.yml)
-  assertEquals "frog" "$X"
-}
-
-testPipeViaFileishWithParamEvalAll() {
-  X=$(./yq ea '.a' < test.yml)
-  assertEquals "frog" "$X"
-}
-
-testPipeViaFileishNoParam() {
-  X=$(./yq < test.yml)
-  assertEquals "a: frog" "$X"
-}
-
-testPipeViaFileishNoParamEval() {
-  X=$(./yq e < test.yml)
-  assertEquals "a: frog" "$X"
-}
-
-testPipeViaFileishNoParamEvalAll() {
-  X=$(./yq ea < test.yml)
-  assertEquals "a: frog" "$X"
-}
-
-source ./scripts/shunit2

acceptance_tests/pretty-print.sh

@@ -1,176 +0,0 @@
-#!/bin/bash
-
-setUp() {
-  rm test*.yml || true
-}
-
-testPrettyPrintWithBooleans() {
-  cat >test.yml <<EOL
-leaveUnquoted: [yes, no, on, off, y, n, true, false]
-leaveQuoted: ["yes", "no", "on", "off", "y", "n", "true", "false"]
-
-EOL
-
-  read -r -d '' expected << EOM
-leaveUnquoted:
-  - yes
-  - no
-  - on
-  - off
-  - y
-  - n
-  - true
-  - false
-leaveQuoted:
-  - "yes"
-  - "no"
-  - "on"
-  - "off"
-  - "y"
-  - "n"
-  - "true"
-  - "false"
-EOM
-
-  X=$(./yq e --prettyPrint test.yml)
-  assertEquals "$expected" "$X"
-
-  X=$(./yq ea --prettyPrint test.yml)
-  assertEquals "$expected" "$X"
-}
-
-testPrettyPrintWithBooleansCapitals() {
-  cat >test.yml <<EOL
-leaveUnquoted: [YES, NO, ON, OFF, Y, N, TRUE, FALSE]
-leaveQuoted: ["YES", "NO", "ON", "OFF", "Y", "N", "TRUE", "FALSE"]
-EOL
-
-  read -r -d '' expected << EOM
-leaveUnquoted:
-  - YES
-  - NO
-  - ON
-  - OFF
-  - Y
-  - N
-  - TRUE
-  - FALSE
-leaveQuoted:
-  - "YES"
-  - "NO"
-  - "ON"
-  - "OFF"
-  - "Y"
-  - "N"
-  - "TRUE"
-  - "FALSE"
-EOM
-
-  X=$(./yq e --prettyPrint test.yml)
-  assertEquals "$expected" "$X"
-
-  X=$(./yq ea --prettyPrint test.yml)
-  assertEquals "$expected" "$X"
-}
-
-testPrettyPrintOtherStringValues() {
-  cat >test.yml <<EOL
-leaveUnquoted: [yesSir, hellno, bonapite]
-makeUnquoted: ["yesSir", "hellno", "bonapite"]
-EOL
-
-  read -r -d '' expected << EOM
-leaveUnquoted:
-  - yesSir
-  - hellno
-  - bonapite
-makeUnquoted:
-  - yesSir
-  - hellno
-  - bonapite
-EOM
-
-  X=$(./yq e --prettyPrint test.yml)
-  assertEquals "$expected" "$X"
-
-  X=$(./yq ea --prettyPrint test.yml)
-  assertEquals "$expected" "$X"
-}
-
-testPrettyPrintKeys() {
-  cat >test.yml <<EOL
-"removeQuotes": "please"
-EOL
-
-  read -r -d '' expected << EOM
-removeQuotes: please
-EOM
-
-  X=$(./yq e --prettyPrint test.yml)
-  assertEquals "$expected" "$X"
-
-  X=$(./yq ea --prettyPrint test.yml)
-  assertEquals "$expected" "$X"
-}
-
-testPrettyPrintOtherStringValues() {
-  cat >test.yml <<EOL
-leaveUnquoted: [yesSir, hellno, bonapite]
-makeUnquoted: ["yesSir", "hellno", "bonapite"]
-EOL
-
-  read -r -d '' expected << EOM
-leaveUnquoted:
-  - yesSir
-  - hellno
-  - bonapite
-makeUnquoted:
-  - yesSir
-  - hellno
-  - bonapite
-EOM
-
-  X=$(./yq e --prettyPrint test.yml)
-  assertEquals "$expected" "$X"
-
-  X=$(./yq ea --prettyPrint test.yml)
-  assertEquals "$expected" "$X"
-}
-
-testPrettyPrintStringBlocks() {
-  cat >test.yml <<EOL
-"removeQuotes": | 
-  "please"
-EOL
-
-  read -r -d '' expected << EOM
-removeQuotes: |
-  "please"
-EOM
-
-  X=$(./yq e --prettyPrint test.yml)
-  assertEquals "$expected" "$X"
-
-  X=$(./yq ea --prettyPrint test.yml)
-  assertEquals "$expected" "$X"
-}
-
-testPrettyPrintWithExpression() {
-  cat >test.yml <<EOL
-a: {b: {c: ["cat"]}}
-EOL
-
-  read -r -d '' expected << EOM
-b:
-  c:
-    - cat
-EOM
-
-  X=$(./yq e '.a' --prettyPrint test.yml)
-  assertEquals "$expected" "$X"
-
-  X=$(./yq ea '.a' --prettyPrint test.yml)
-  assertEquals "$expected" "$X"
-}
-
-source ./scripts/shunit2

acceptance_tests/split-printer.sh

@@ -1,207 +0,0 @@
-#!/bin/bash
-
-setUp() {
-  rm test*.yml || true
-}
-
-testBasicSplitWithName() {
-  cat >test.yml <<EOL
-a: test_doc1
---- 
-a: test_doc2
-EOL
-
-  ./yq e test.yml -s ".a"
-
-  doc1=$(cat test_doc1.yml)
-  
-  assertEquals "a: test_doc1" "$doc1"
-
-  doc2=$(cat test_doc2.yml)
-  read -r -d '' expectedDoc2 << EOM
----
-a: test_doc2
-EOM
-  assertEquals "$expectedDoc2" "$doc2"
-}
-
-testBasicSplitWithNameCustomExtension() {
-  rm test*.yaml || true
-  cat >test.yml <<EOL
-a: test_doc1
---- 
-a: test_doc2
-EOL
-
-  ./yq e test.yml -s '.a + ".yaml"'
-
-  doc1=$(cat test_doc1.yaml)
-  
-  assertEquals "a: test_doc1" "$doc1"
-
-  doc2=$(cat test_doc2.yaml)
-  read -r -d '' expectedDoc2 << EOM
----
-a: test_doc2
-EOM
-  assertEquals "$expectedDoc2" "$doc2"
-}
-
-
-
-
-testSplitFromFile() {
-  cat >test.yml <<EOL
-a: test_doc1
---- 
-a: test_doc2
-EOL
-
-cat >test_splitExp.yml <<EOL
-.a
-EOL
-
-  ./yq test.yml --split-exp-file test_splitExp.yml
-
-  doc1=$(cat test_doc1.yml)
-  
-  assertEquals "a: test_doc1" "$doc1"
-
-  doc2=$(cat test_doc2.yml)
-  read -r -d '' expectedDoc2 << EOM
----
-a: test_doc2
-EOM
-  assertEquals "$expectedDoc2" "$doc2"
-}
-
-testBasicSplitWithNameEvalAll() {
-  cat >test.yml <<EOL
-a: test_doc1
---- 
-a: test_doc2
-EOL
-
-  ./yq ea test.yml -s ".a"
-
-  doc1=$(cat test_doc1.yml)
-  
-  assertEquals "a: test_doc1" "$doc1"
-
-  doc2=$(cat test_doc2.yml)
-  read -r -d '' expectedDoc2 << EOM
----
-a: test_doc2
-EOM
-  assertEquals "$expectedDoc2" "$doc2"
-}
-
-testBasicSplitWithIndex() {
-  cat >test.yml <<EOL
-a: test_doc1
---- 
-a: test_doc2
-EOL
-
-  ./yq e test.yml -s '"test_" + $index'
-
-  doc1=$(cat test_0.yml)
-  
-  assertEquals "a: test_doc1" "$doc1"
-
-  doc2=$(cat test_1.yml)
-  read -r -d '' expectedDoc2 << EOM
----
-a: test_doc2
-EOM
-  assertEquals "$expectedDoc2" "$doc2"
-}
-
-testBasicSplitWithIndexEvalAll() {
-  cat >test.yml <<EOL
-a: test_doc1
---- 
-a: test_doc2
-EOL
-
-  ./yq ea test.yml -s '"test_" + $index'
-
-  doc1=$(cat test_0.yml)
-  
-  assertEquals "a: test_doc1" "$doc1"
-
-  doc2=$(cat test_1.yml)
-  read -r -d '' expectedDoc2 << EOM
----
-a: test_doc2
-EOM
-  assertEquals "$expectedDoc2" "$doc2"
-}
-
-
-testArraySplitWithNameNoSeparators() {
-  cat >test.yml <<EOL
-- name: test_fred
-  age: 35
-- name: test_catherine
-  age: 37
-EOL
-
-  ./yq e --no-doc -s ".name"  ".[]" test.yml 
-
-  doc1=$(cat test_fred.yml)
-  read -r -d '' expectedDoc1 << EOM
-name: test_fred
-age: 35
-EOM
-
-  assertEquals "$expectedDoc1" "$doc1"
-
-  doc2=$(cat test_catherine.yml)
-  read -r -d '' expectedDoc2 << EOM
-name: test_catherine
-age: 37
-EOM
-  assertEquals "$expectedDoc2" "$doc2"
-}
-
-testArraySplitWithNameNoSeparatorsEvalAll() {
-  cat >test.yml <<EOL
-- name: test_fred
-  age: 35
-- name: test_catherine
-  age: 37
-EOL
-
-cat >test2.yml <<EOL
-- name: test_mike
-  age: 564
-EOL
-
-  ./yq ea --no-doc -s ".name"  ".[]" test.yml test2.yml
-
-  doc1=$(cat test_fred.yml)
-  read -r -d '' expectedDoc1 << EOM
-name: test_fred
-age: 35
-EOM
-
-  assertEquals "$expectedDoc1" "$doc1"
-
-  doc2=$(cat test_catherine.yml)
-  read -r -d '' expectedDoc2 << EOM
-name: test_catherine
-age: 37
-EOM
-  assertEquals "$expectedDoc2" "$doc2"
-
-
-  doc3=$(cat test_mike.yml)
-  read -r -d '' expectedDoc3 << EOM
-name: test_mike
-age: 564
-EOM
-  assertEquals "$expectedDoc3" "$doc3"
-}
-
-source ./scripts/shunit2

action.yml

@@ -1,17 +1,13 @@
 name: 'yq - portable yaml processor'
 description: 'create, read, update, delete, merge, validate and do more with yaml'
-branding:
-  icon: command
-  color: gray-dark
+icon: command
+color: gray-dark
 inputs:
   cmd:
     description: 'The Command which should be run'
     required: true
-outputs:
-  result:
-    description: "The complete result from the yq command being run"
 runs:
   using: 'docker'
-  image: 'docker://mikefarah/yq:4-githubaction'
+  image: 'github-action/Dockerfile'
   args:
     - ${{ inputs.cmd }}

cmd/commands_test.go

@@ -0,0 +1,83 @@
+package cmd
+
+// import (
+// 	"strings"
+// 	"testing"
+
+// 	"github.com/mikefarah/yq/v3/test"
+// 	"github.com/spf13/cobra"
+// )
+
+// func getRootCommand() *cobra.Command {
+// 	return New()
+// }
+
+// func TestRootCmd(t *testing.T) {
+// 	cmd := getRootCommand()
+// 	result := test.RunCmd(cmd, "")
+// 	if result.Error != nil {
+// 		t.Error(result.Error)
+// 	}
+
+// 	if !strings.Contains(result.Output, "Usage:") {
+// 		t.Error("Expected usage message to be printed out, but the usage message was not found.")
+// 	}
+// }
+
+// func TestRootCmd_Help(t *testing.T) {
+// 	cmd := getRootCommand()
+// 	result := test.RunCmd(cmd, "--help")
+// 	if result.Error != nil {
+// 		t.Error(result.Error)
+// 	}
+
+// 	if !strings.Contains(result.Output, "yq is a lightweight and portable command-line YAML processor. It aims to be the jq or sed of yaml files.") {
+// 		t.Error("Expected usage message to be printed out, but the usage message was not found.")
+// 	}
+// }
+
+// func TestRootCmd_VerboseLong(t *testing.T) {
+// 	cmd := getRootCommand()
+// 	result := test.RunCmd(cmd, "--verbose")
+// 	if result.Error != nil {
+// 		t.Error(result.Error)
+// 	}
+
+// 	if !verbose {
+// 		t.Error("Expected verbose to be true")
+// 	}
+// }
+
+// func TestRootCmd_VerboseShort(t *testing.T) {
+// 	cmd := getRootCommand()
+// 	result := test.RunCmd(cmd, "-v")
+// 	if result.Error != nil {
+// 		t.Error(result.Error)
+// 	}
+
+// 	if !verbose {
+// 		t.Error("Expected verbose to be true")
+// 	}
+// }
+
+// func TestRootCmd_VersionShort(t *testing.T) {
+// 	cmd := getRootCommand()
+// 	result := test.RunCmd(cmd, "-V")
+// 	if result.Error != nil {
+// 		t.Error(result.Error)
+// 	}
+// 	if !strings.Contains(result.Output, "yq version") {
+// 		t.Error("expected version message to be printed out, but the message was not found.")
+// 	}
+// }
+
+// func TestRootCmd_VersionLong(t *testing.T) {
+// 	cmd := getRootCommand()
+// 	result := test.RunCmd(cmd, "--version")
+// 	if result.Error != nil {
+// 		t.Error(result.Error)
+// 	}
+// 	if !strings.Contains(result.Output, "yq version") {
+// 		t.Error("expected version message to be printed out, but the message was not found.")
+// 	}
+// }

cmd/constant.go

@@ -1,16 +1,10 @@
 package cmd
 
-var unwrapScalarFlag = newUnwrapFlag()
-
-var unwrapScalar = false
+var unwrapScalar = true
 
 var writeInplace = false
 var outputToJSON = false
 
-var outputFormat = ""
-
-var inputFormat = ""
-
 var exitStatus = false
 var forceColor = false
 var forceNoColor = false
@@ -18,19 +12,8 @@ var colorsEnabled = false
 var indent = 2
 var noDocSeparators = false
 var nullInput = false
-var nulSepOutput = false
 var verbose = false
 var version = false
 var prettyPrint = false
 
-// can be either "" (off), "extract" or "process"
-var frontMatter = ""
-
-var splitFileExp = ""
-var splitFileExpFile = ""
-
 var completedSuccessfully = false
-
-var forceExpression = ""
-
-var expressionFile = ""

cmd/evaluate_all_command.go

@@ -2,6 +2,8 @@ package cmd
 
 import (
 	"errors"
+	"fmt"
+	"os"
 
 	"github.com/mikefarah/yq/v4/pkg/yqlib"
 	"github.com/spf13/cobra"
@@ -13,115 +15,83 @@ func createEvaluateAllCommand() *cobra.Command {
 		Aliases: []string{"ea"},
 		Short:   "Loads _all_ yaml documents of _all_ yaml files and runs expression once",
 		Example: `
-# Merge f2.yml into f1.yml (in place)
-yq eval-all --inplace 'select(fileIndex == 0) * select(fileIndex == 1)' f1.yml f2.yml
-## the same command and expression using shortened names:
-yq ea -i 'select(fi == 0) * select(fi == 1)' f1.yml f2.yml
+# merges f2.yml into f1.yml (inplace)
+yq eval-all --inplace 'select(fileIndex == 0) * select(fileIndex == 1)' f1.yml f2.yml		
 
-
-# Merge all given files
-yq ea '. as $item ireduce ({}; . * $item )' file1.yml file2.yml ...
-
-# Pipe from STDIN
-## use '-' as a filename to pipe from STDIN
+# use '-' as a filename to read from STDIN
 cat file2.yml | yq ea '.a.b' file1.yml - file3.yml
 `,
-		Long: `yq is a portable command-line YAML processor (https://github.com/mikefarah/yq/) 
-See https://mikefarah.gitbook.io/yq/ for detailed documentation and examples.
-
-## Evaluate All ##
-This command loads _all_ yaml documents of _all_ yaml files and runs expression once
-Useful when you need to run an expression across several yaml documents or files (like merge).
-Note that it consumes more memory than eval.
-`,
+		Long: "Evaluate All:\nUseful when you need to run an expression across several yaml documents or files. Consumes more memory than eval",
 		RunE: evaluateAll,
 	}
 	return cmdEvalAll
 }
-func evaluateAll(cmd *cobra.Command, args []string) (cmdError error) {
+func evaluateAll(cmd *cobra.Command, args []string) error {
+	cmd.SilenceUsage = true
 	// 0 args, read std in
 	// 1 arg, null input, process expression
 	// 1 arg, read file in sequence
 	// 2+ args, [0] = expression, file the rest
 
 	var err error
-
-	expression, args, err := initCommand(cmd, args)
-	if err != nil {
-		return err
-	}
+	stat, _ := os.Stdin.Stat()
+	pipingStdIn := (stat.Mode() & os.ModeCharDevice) == 0
 
 	out := cmd.OutOrStdout()
 
+	fileInfo, _ := os.Stdout.Stat()
+
+	if forceColor || (!forceNoColor && (fileInfo.Mode()&os.ModeCharDevice) != 0) {
+		colorsEnabled = true
+	}
+
+	firstFileIndex := -1
+	if !nullInput && len(args) == 1 {
+		firstFileIndex = 0
+	} else if len(args) > 1 {
+		firstFileIndex = 1
+	}
+
+	if writeInplace && (firstFileIndex == -1) {
+		return fmt.Errorf("Write inplace flag only applicable when giving an expression and at least one file")
+	}
+
 	if writeInplace {
 		// only use colors if its forced
 		colorsEnabled = forceColor
-		writeInPlaceHandler := yqlib.NewWriteInPlaceHandler(args[0])
+		writeInPlaceHandler := yqlib.NewWriteInPlaceHandler(args[firstFileIndex])
 		out, err = writeInPlaceHandler.CreateTempFile()
 		if err != nil {
 			return err
 		}
 		// need to indirectly call the function so  that completedSuccessfully is
 		// passed when we finish execution as opposed to now
-		defer func() {
-			if cmdError == nil {
-				cmdError = writeInPlaceHandler.FinishWriteInPlace(completedSuccessfully)
-			}
-		}()
+		defer func() { writeInPlaceHandler.FinishWriteInPlace(completedSuccessfully) }()
 	}
 
-	format, err := yqlib.OutputFormatFromString(outputFormat)
-	if err != nil {
-		return err
+	if nullInput && len(args) > 1 {
+		return errors.New("Cannot pass files in when using null-input flag")
 	}
 
-	decoder, err := configureDecoder(true)
-	if err != nil {
-		return err
-	}
-
-	printerWriter, err := configurePrinterWriter(format, out)
-	if err != nil {
-		return err
-	}
-	encoder, err := configureEncoder()
-	if err != nil {
-		return err
-	}
-
-	printer := yqlib.NewPrinter(encoder, printerWriter)
-	if nulSepOutput {
-		printer.SetNulSepOutput(true)
-	}
-
-	if frontMatter != "" {
-		frontMatterHandler := yqlib.NewFrontMatterHandler(args[0])
-		err = frontMatterHandler.Split()
-		if err != nil {
-			return err
-		}
-		args[0] = frontMatterHandler.GetYamlFrontMatterFilename()
-
-		if frontMatter == "process" {
-			reader := frontMatterHandler.GetContentReader()
-			printer.SetAppendix(reader)
-			defer yqlib.SafelyCloseReader(reader)
-		}
-		defer frontMatterHandler.CleanUp()
-	}
+	printer := yqlib.NewPrinter(out, outputToJSON, unwrapScalar, colorsEnabled, indent, !noDocSeparators)
 
 	allAtOnceEvaluator := yqlib.NewAllAtOnceEvaluator()
-
 	switch len(args) {
 	case 0:
-		if nullInput {
-			err = yqlib.NewStreamEvaluator().EvaluateNew(processExpression(expression), printer)
+		if pipingStdIn {
+			err = allAtOnceEvaluator.EvaluateFiles(processExpression(""), []string{"-"}, printer)
 		} else {
 			cmd.Println(cmd.UsageString())
 			return nil
 		}
+	case 1:
+		if nullInput {
+			err = yqlib.NewStreamEvaluator().EvaluateNew(processExpression(args[0]), printer)
+		} else {
+			err = allAtOnceEvaluator.EvaluateFiles(processExpression(""), []string{args[0]}, printer)
+		}
 	default:
-		err = allAtOnceEvaluator.EvaluateFiles(processExpression(expression), args, printer, decoder)
+		err = allAtOnceEvaluator.EvaluateFiles(processExpression(args[0]), args[1:], printer)
 	}
 
 	completedSuccessfully = err == nil

cmd/evaluate_sequence_command.go

@@ -1,147 +0,0 @@
-package cmd
-
-import (
-	"errors"
-	"fmt"
-
-	"github.com/mikefarah/yq/v4/pkg/yqlib"
-	"github.com/spf13/cobra"
-)
-
-func createEvaluateSequenceCommand() *cobra.Command {
-	var cmdEvalSequence = &cobra.Command{
-		Use:     "eval [expression] [yaml_file1]...",
-		Aliases: []string{"e"},
-		Short:   "(default) Apply the expression to each document in each yaml file in sequence",
-		Example: `
-# Reads field under the given path for each file
-yq e '.a.b' f1.yml f2.yml 
-
-# Prints out the file
-yq e sample.yaml 
-
-# Pipe from STDIN
-## use '-' as a filename to pipe from STDIN
-cat file2.yml | yq e '.a.b' file1.yml - file3.yml
-
-# Creates a new yaml document
-## Note that editing an empty file does not work.
-yq e -n '.a.b.c = "cat"' 
-
-# Update a file in place
-yq e '.a.b = "cool"' -i file.yaml 
-`,
-		Long: `yq is a portable command-line YAML processor (https://github.com/mikefarah/yq/) 
-See https://mikefarah.gitbook.io/yq/ for detailed documentation and examples.
-
-## Evaluate Sequence ##
-This command iterates over each yaml document from each given file, applies the 
-expression and prints the result in sequence.`,
-		RunE: evaluateSequence,
-	}
-	return cmdEvalSequence
-}
-
-func processExpression(expression string) string {
-
-	if prettyPrint && expression == "" {
-		return yqlib.PrettyPrintExp
-	} else if prettyPrint {
-		return fmt.Sprintf("%v | %v", expression, yqlib.PrettyPrintExp)
-	}
-	return expression
-}
-
-func evaluateSequence(cmd *cobra.Command, args []string) (cmdError error) {
-	// 0 args, read std in
-	// 1 arg, null input, process expression
-	// 1 arg, read file in sequence
-	// 2+ args, [0] = expression, file the rest
-
-	out := cmd.OutOrStdout()
-
-	var err error
-
-	expression, args, err := initCommand(cmd, args)
-	if err != nil {
-		return err
-	}
-
-	if writeInplace {
-		// only use colors if its forced
-		colorsEnabled = forceColor
-		writeInPlaceHandler := yqlib.NewWriteInPlaceHandler(args[0])
-		out, err = writeInPlaceHandler.CreateTempFile()
-		if err != nil {
-			return err
-		}
-		// need to indirectly call the function so  that completedSuccessfully is
-		// passed when we finish execution as opposed to now
-		defer func() {
-			if cmdError == nil {
-				cmdError = writeInPlaceHandler.FinishWriteInPlace(completedSuccessfully)
-			}
-		}()
-	}
-
-	format, err := yqlib.OutputFormatFromString(outputFormat)
-	if err != nil {
-		return err
-	}
-
-	printerWriter, err := configurePrinterWriter(format, out)
-	if err != nil {
-		return err
-	}
-	encoder, err := configureEncoder()
-	if err != nil {
-		return err
-	}
-
-	printer := yqlib.NewPrinter(encoder, printerWriter)
-	if nulSepOutput {
-		printer.SetNulSepOutput(true)
-	}
-
-	decoder, err := configureDecoder(false)
-	if err != nil {
-		return err
-	}
-	streamEvaluator := yqlib.NewStreamEvaluator()
-
-	if frontMatter != "" {
-		yqlib.GetLogger().Debug("using front matter handler")
-		frontMatterHandler := yqlib.NewFrontMatterHandler(args[0])
-		err = frontMatterHandler.Split()
-		if err != nil {
-			return err
-		}
-		args[0] = frontMatterHandler.GetYamlFrontMatterFilename()
-
-		if frontMatter == "process" {
-			reader := frontMatterHandler.GetContentReader()
-			printer.SetAppendix(reader)
-			defer yqlib.SafelyCloseReader(reader)
-		}
-		defer frontMatterHandler.CleanUp()
-	}
-
-	switch len(args) {
-	case 0:
-		if nullInput {
-			err = streamEvaluator.EvaluateNew(processExpression(expression), printer)
-		} else {
-			cmd.Println(cmd.UsageString())
-			return nil
-		}
-	default:
-		err = streamEvaluator.EvaluateFiles(processExpression(expression), args, printer, decoder)
-	}
-	completedSuccessfully = err == nil
-
-	if err == nil && exitStatus && !printer.PrintedAnything() {
-		return errors.New("no matches found")
-	}
-
-	return err
-}

cmd/evalute_sequence_command.go

@@ -0,0 +1,124 @@
+package cmd
+
+import (
+	"errors"
+	"fmt"
+	"os"
+
+	"github.com/mikefarah/yq/v4/pkg/yqlib"
+	"github.com/spf13/cobra"
+)
+
+func createEvaluateSequenceCommand() *cobra.Command {
+	var cmdEvalSequence = &cobra.Command{
+		Use:     "eval [expression] [yaml_file1]...",
+		Aliases: []string{"e"},
+		Short:   "Apply expression to each document in each yaml file given in sequence",
+		Example: `
+# runs the expression against each file, in series
+yq e '.a.b | length' f1.yml f2.yml 
+
+# prints out the file
+yq e sample.yaml 
+
+# use '-' as a filename to read from STDIN
+cat file2.yml | yq e '.a.b' file1.yml - file3.yml
+
+# prints a new yaml document
+yq e -n '.a.b.c = "cat"' 
+
+
+# updates file.yaml directly
+yq e '.a.b = "cool"' -i file.yaml 
+`,
+		Long: "Evaluate Sequence:\nIterate over each yaml document, apply the expression and print the results, in sequence.",
+		RunE: evaluateSequence,
+	}
+	return cmdEvalSequence
+}
+
+func processExpression(expression string) string {
+	if prettyPrint && expression == "" {
+		return `... style=""`
+	} else if prettyPrint {
+		return fmt.Sprintf("%v | ... style= \"\"", expression)
+	}
+	return expression
+}
+
+func evaluateSequence(cmd *cobra.Command, args []string) error {
+	cmd.SilenceUsage = true
+	// 0 args, read std in
+	// 1 arg, null input, process expression
+	// 1 arg, read file in sequence
+	// 2+ args, [0] = expression, file the rest
+
+	var err error
+	stat, _ := os.Stdin.Stat()
+	pipingStdIn := (stat.Mode() & os.ModeCharDevice) == 0
+
+	out := cmd.OutOrStdout()
+
+	fileInfo, _ := os.Stdout.Stat()
+
+	if forceColor || (!forceNoColor && (fileInfo.Mode()&os.ModeCharDevice) != 0) {
+		colorsEnabled = true
+	}
+
+	firstFileIndex := -1
+	if !nullInput && len(args) == 1 {
+		firstFileIndex = 0
+	} else if len(args) > 1 {
+		firstFileIndex = 1
+	}
+
+	if writeInplace && (firstFileIndex == -1) {
+		return fmt.Errorf("Write inplace flag only applicable when giving an expression and at least one file")
+	}
+
+	if writeInplace {
+		// only use colors if its forced
+		colorsEnabled = forceColor
+		writeInPlaceHandler := yqlib.NewWriteInPlaceHandler(args[firstFileIndex])
+		out, err = writeInPlaceHandler.CreateTempFile()
+		if err != nil {
+			return err
+		}
+		// need to indirectly call the function so  that completedSuccessfully is
+		// passed when we finish execution as opposed to now
+		defer func() { writeInPlaceHandler.FinishWriteInPlace(completedSuccessfully) }()
+	}
+
+	printer := yqlib.NewPrinter(out, outputToJSON, unwrapScalar, colorsEnabled, indent, !noDocSeparators)
+
+	streamEvaluator := yqlib.NewStreamEvaluator()
+
+	if nullInput && len(args) > 1 {
+		return errors.New("Cannot pass files in when using null-input flag")
+	}
+
+	switch len(args) {
+	case 0:
+		if pipingStdIn {
+			err = streamEvaluator.EvaluateFiles(processExpression(""), []string{"-"}, printer)
+		} else {
+			cmd.Println(cmd.UsageString())
+			return nil
+		}
+	case 1:
+		if nullInput {
+			err = streamEvaluator.EvaluateNew(processExpression(args[0]), printer)
+		} else {
+			err = streamEvaluator.EvaluateFiles(processExpression(""), []string{args[0]}, printer)
+		}
+	default:
+		err = streamEvaluator.EvaluateFiles(processExpression(args[0]), args[1:], printer)
+	}
+	completedSuccessfully = err == nil
+
+	if err == nil && exitStatus && !printer.PrintedAnything() {
+		return errors.New("no matches found")
+	}
+
+	return err
+}

cmd/root.go

@@ -3,7 +3,6 @@ package cmd
 import (
 	"os"
 
-	"github.com/mikefarah/yq/v4/pkg/yqlib"
 	"github.com/spf13/cobra"
 	logging "gopkg.in/op/go-logging.v1"
 )
@@ -12,32 +11,18 @@ func New() *cobra.Command {
 	var rootCmd = &cobra.Command{
 		Use:   "yq",
 		Short: "yq is a lightweight and portable command-line YAML processor.",
-		Long: `yq is a portable command-line YAML processor (https://github.com/mikefarah/yq/) 
-See https://mikefarah.gitbook.io/yq/ for detailed documentation and examples.`,
-		Example: `
-# yq defaults to 'eval' command if no command is specified. See "yq eval --help" for more examples.
-
-# read the "stuff" node from "myfile.yml"
-yq '.stuff' < myfile.yml
-
-# update myfile.yml in place
-yq -i '.stuff = "foo"' myfile.yml
-
-# print contents of sample.json as idiomatic YAML
-yq -P sample.json
-`,
-
+		Long:  `yq is a lightweight and portable command-line YAML processor. It aims to be the jq or sed of yaml files.`,
 		RunE: func(cmd *cobra.Command, args []string) error {
 			if version {
 				cmd.Print(GetVersionDisplay())
 				return nil
 			}
-			return evaluateSequence(cmd, args)
+			cmd.Println(cmd.UsageString())
+			return nil
 
 		},
-		PersistentPreRunE: func(cmd *cobra.Command, args []string) error {
+		PersistentPreRun: func(cmd *cobra.Command, args []string) {
 			cmd.SetOut(cmd.OutOrStdout())
-
 			var format = logging.MustStringFormatter(
 				`%{color}%{time:15:04:05} %{shortfunc} [%{level:.4s}]%{color:reset} %{message}`,
 			)
@@ -47,66 +32,27 @@ yq -P sample.json
 			if verbose {
 				backend.SetLevel(logging.DEBUG, "")
 			} else {
-				backend.SetLevel(logging.WARNING, "")
+				backend.SetLevel(logging.ERROR, "")
 			}
 
 			logging.SetBackend(backend)
-			yqlib.InitExpressionParser()
-
-			return nil
 		},
 	}
 
 	rootCmd.PersistentFlags().BoolVarP(&verbose, "verbose", "v", false, "verbose mode")
-
-	rootCmd.PersistentFlags().BoolVarP(&outputToJSON, "tojson", "j", false, "(deprecated) output as json. Set indent to 0 to print json in one line.")
-	err := rootCmd.PersistentFlags().MarkDeprecated("tojson", "please use -o=json instead")
-	if err != nil {
-		panic(err)
-	}
-
-	rootCmd.PersistentFlags().StringVarP(&outputFormat, "output-format", "o", "auto", "[auto|a|yaml|y|json|j|props|p|xml|x|tsv|t|csv|c] output format type.")
-	rootCmd.PersistentFlags().StringVarP(&inputFormat, "input-format", "p", "auto", "[auto|a|yaml|y|props|p|xml|x|tsv|t|csv|c|toml] parse format for input. Note that json is a subset of yaml.")
-
-	rootCmd.PersistentFlags().StringVar(&yqlib.ConfiguredXMLPreferences.AttributePrefix, "xml-attribute-prefix", yqlib.ConfiguredXMLPreferences.AttributePrefix, "prefix for xml attributes")
-	rootCmd.PersistentFlags().StringVar(&yqlib.ConfiguredXMLPreferences.ContentName, "xml-content-name", yqlib.ConfiguredXMLPreferences.ContentName, "name for xml content (if no attribute name is present).")
-	rootCmd.PersistentFlags().BoolVar(&yqlib.ConfiguredXMLPreferences.StrictMode, "xml-strict-mode", yqlib.ConfiguredXMLPreferences.StrictMode, "enables strict parsing of XML. See https://pkg.go.dev/encoding/xml for more details.")
-	rootCmd.PersistentFlags().BoolVar(&yqlib.ConfiguredXMLPreferences.KeepNamespace, "xml-keep-namespace", yqlib.ConfiguredXMLPreferences.KeepNamespace, "enables keeping namespace after parsing attributes")
-	rootCmd.PersistentFlags().BoolVar(&yqlib.ConfiguredXMLPreferences.UseRawToken, "xml-raw-token", yqlib.ConfiguredXMLPreferences.UseRawToken, "enables using RawToken method instead Token. Commonly disables namespace translations. See https://pkg.go.dev/encoding/xml#Decoder.RawToken for details.")
-	rootCmd.PersistentFlags().StringVar(&yqlib.ConfiguredXMLPreferences.ProcInstPrefix, "xml-proc-inst-prefix", yqlib.ConfiguredXMLPreferences.ProcInstPrefix, "prefix for xml processing instructions (e.g. <?xml version=\"1\"?>)")
-	rootCmd.PersistentFlags().StringVar(&yqlib.ConfiguredXMLPreferences.DirectiveName, "xml-directive-name", yqlib.ConfiguredXMLPreferences.DirectiveName, "name for xml directives (e.g. <!DOCTYPE thing cat>)")
-	rootCmd.PersistentFlags().BoolVar(&yqlib.ConfiguredXMLPreferences.SkipProcInst, "xml-skip-proc-inst", yqlib.ConfiguredXMLPreferences.SkipProcInst, "skip over process instructions (e.g. <?xml version=\"1\"?>)")
-	rootCmd.PersistentFlags().BoolVar(&yqlib.ConfiguredXMLPreferences.SkipDirectives, "xml-skip-directives", yqlib.ConfiguredXMLPreferences.SkipDirectives, "skip over directives (e.g. <!DOCTYPE thing cat>)")
-
-	rootCmd.PersistentFlags().StringVar(&yqlib.ConfiguredLuaPreferences.DocPrefix, "lua-prefix", yqlib.ConfiguredLuaPreferences.DocPrefix, "prefix")
-	rootCmd.PersistentFlags().StringVar(&yqlib.ConfiguredLuaPreferences.DocSuffix, "lua-suffix", yqlib.ConfiguredLuaPreferences.DocSuffix, "suffix")
-	rootCmd.PersistentFlags().BoolVar(&yqlib.ConfiguredLuaPreferences.UnquotedKeys, "lua-unquoted", yqlib.ConfiguredLuaPreferences.UnquotedKeys, "output unquoted string keys (e.g. {foo=\"bar\"})")
-	rootCmd.PersistentFlags().BoolVar(&yqlib.ConfiguredLuaPreferences.Globals, "lua-globals", yqlib.ConfiguredLuaPreferences.Globals, "output keys as top-level global variables")
-
-	rootCmd.PersistentFlags().BoolVarP(&nullInput, "null-input", "n", false, "Don't read input, simply evaluate the expression given. Useful for creating docs from scratch.")
+	rootCmd.PersistentFlags().BoolVarP(&outputToJSON, "tojson", "j", false, "output as json. Set indent to 0 to print json in one line.")
+	rootCmd.PersistentFlags().BoolVarP(&nullInput, "null-input", "n", false, "Don't read input, simply evaluate the expression given. Useful for creating yaml docs from scratch.")
 	rootCmd.PersistentFlags().BoolVarP(&noDocSeparators, "no-doc", "N", false, "Don't print document separators (---)")
 
 	rootCmd.PersistentFlags().IntVarP(&indent, "indent", "I", 2, "sets indent level for output")
 	rootCmd.Flags().BoolVarP(&version, "version", "V", false, "Print version information and quit")
-	rootCmd.PersistentFlags().BoolVarP(&writeInplace, "inplace", "i", false, "update the file in place of first file given.")
-	rootCmd.PersistentFlags().VarP(unwrapScalarFlag, "unwrapScalar", "r", "unwrap scalar, print the value with no quotes, colors or comments. Defaults to true for yaml")
-	rootCmd.PersistentFlags().Lookup("unwrapScalar").NoOptDefVal = "true"
-	rootCmd.PersistentFlags().BoolVarP(&nulSepOutput, "nul-output", "0", false, "Use NUL char to separate values. If unwrap scalar is also set, fail if unwrapped scalar contains NUL char.")
-
+	rootCmd.PersistentFlags().BoolVarP(&writeInplace, "inplace", "i", false, "update the yaml file inplace of first yaml file given.")
+	rootCmd.PersistentFlags().BoolVarP(&unwrapScalar, "unwrapScalar", "", true, "unwrap scalar, print the value with no quotes, colors or comments")
 	rootCmd.PersistentFlags().BoolVarP(&prettyPrint, "prettyPrint", "P", false, "pretty print, shorthand for '... style = \"\"'")
 	rootCmd.PersistentFlags().BoolVarP(&exitStatus, "exit-status", "e", false, "set exit status if there are no matches or null or false is returned")
 
 	rootCmd.PersistentFlags().BoolVarP(&forceColor, "colors", "C", false, "force print with colors")
 	rootCmd.PersistentFlags().BoolVarP(&forceNoColor, "no-colors", "M", false, "force print with no colors")
-	rootCmd.PersistentFlags().StringVarP(&frontMatter, "front-matter", "f", "", "(extract|process) first input as yaml front-matter. Extract will pull out the yaml content, process will run the expression against the yaml content, leaving the remaining data intact")
-	rootCmd.PersistentFlags().StringVarP(&forceExpression, "expression", "", "", "forcibly set the expression argument. Useful when yq argument detection thinks your expression is a file.")
-	rootCmd.PersistentFlags().BoolVarP(&yqlib.ConfiguredYamlPreferences.LeadingContentPreProcessing, "header-preprocess", "", true, "Slurp any header comments and separators before processing expression.")
-
-	rootCmd.PersistentFlags().StringVarP(&splitFileExp, "split-exp", "s", "", "print each result (or doc) into a file named (exp). [exp] argument must return a string. You can use $index in the expression as the result counter.")
-	rootCmd.PersistentFlags().StringVarP(&splitFileExpFile, "split-exp-file", "", "", "Use a file to specify the split-exp expression.")
-
-	rootCmd.PersistentFlags().StringVarP(&expressionFile, "from-file", "", "", "Load expression from specified file.")
-
 	rootCmd.AddCommand(
 		createEvaluateSequenceCommand(),
 		createEvaluateAllCommand(),

cmd/shell-completion.go

@@ -42,7 +42,7 @@ $ yq shell-completion fish > ~/.config/fish/completions/yq.fish
 `,
 	DisableFlagsInUseLine: true,
 	ValidArgs:             []string{"bash", "zsh", "fish", "powershell"},
-	Args:                  cobra.MatchAll(cobra.ExactArgs(1), cobra.OnlyValidArgs),
+	Args:                  cobra.ExactValidArgs(1),
 	RunE: func(cmd *cobra.Command, args []string) error {
 		var err error = nil
 		switch args[0] {

cmd/unwrap_flag.go

@@ -1,46 +0,0 @@
-package cmd
-
-import (
-	"strconv"
-
-	"github.com/spf13/pflag"
-)
-
-type boolFlag interface {
-	pflag.Value
-	IsExplicitlySet() bool
-	IsSet() bool
-}
-
-type unwrapScalarFlagStrc struct {
-	explicitlySet bool
-	value         bool
-}
-
-func newUnwrapFlag() boolFlag {
-	return &unwrapScalarFlagStrc{value: true}
-}
-
-func (f *unwrapScalarFlagStrc) IsExplicitlySet() bool {
-	return f.explicitlySet
-}
-
-func (f *unwrapScalarFlagStrc) IsSet() bool {
-	return f.value
-}
-
-func (f *unwrapScalarFlagStrc) String() string {
-	return strconv.FormatBool(f.value)
-}
-
-func (f *unwrapScalarFlagStrc) Set(value string) error {
-
-	v, err := strconv.ParseBool(value)
-	f.value = v
-	f.explicitlySet = true
-	return err
-}
-
-func (*unwrapScalarFlagStrc) Type() string {
-	return "bool"
-}

cmd/utils.go

@@ -1,275 +0,0 @@
-package cmd
-
-import (
-	"fmt"
-	"io"
-	"os"
-	"strings"
-
-	"github.com/mikefarah/yq/v4/pkg/yqlib"
-	"github.com/spf13/cobra"
-	"gopkg.in/op/go-logging.v1"
-)
-
-func isAutomaticOutputFormat() bool {
-	return outputFormat == "" || outputFormat == "auto" || outputFormat == "a"
-}
-
-func initCommand(cmd *cobra.Command, args []string) (string, []string, error) {
-	cmd.SilenceUsage = true
-
-	fileInfo, _ := os.Stdout.Stat()
-
-	if forceColor || (!forceNoColor && (fileInfo.Mode()&os.ModeCharDevice) != 0) {
-		colorsEnabled = true
-	}
-
-	expression, args, err := processArgs(args)
-	if err != nil {
-		return "", nil, err
-	}
-
-	if splitFileExpFile != "" {
-		splitExpressionBytes, err := os.ReadFile(splitFileExpFile)
-		if err != nil {
-			return "", nil, err
-		}
-		splitFileExp = string(splitExpressionBytes)
-	}
-
-	// backwards compatibility
-	if outputToJSON {
-		outputFormat = "json"
-	}
-
-	if writeInplace && (len(args) == 0 || args[0] == "-") {
-		return "", nil, fmt.Errorf("write in place flag only applicable when giving an expression and at least one file")
-	}
-
-	if frontMatter != "" && len(args) == 0 {
-		return "", nil, fmt.Errorf("front matter flag only applicable when giving an expression and at least one file")
-	}
-
-	if writeInplace && splitFileExp != "" {
-		return "", nil, fmt.Errorf("write in place cannot be used with split file")
-	}
-
-	if nullInput && len(args) > 0 {
-		return "", nil, fmt.Errorf("cannot pass files in when using null-input flag")
-	}
-
-	inputFilename := ""
-	if len(args) > 0 {
-		inputFilename = args[0]
-	}
-	if inputFormat == "" || inputFormat == "auto" || inputFormat == "a" {
-
-		inputFormat = yqlib.FormatFromFilename(inputFilename)
-
-		_, err := yqlib.InputFormatFromString(inputFormat)
-		if err != nil {
-			// unknown file type, default to yaml
-			yqlib.GetLogger().Debug("Unknown file format extension '%v', defaulting to yaml", inputFormat)
-			inputFormat = "yaml"
-			if isAutomaticOutputFormat() {
-				outputFormat = "yaml"
-			}
-		} else if isAutomaticOutputFormat() {
-			// automatic input worked, we can do it for output too unless specified
-			if inputFormat == "json" {
-				yqlib.GetLogger().Warning("JSON file output is now JSON by default (instead of yaml). Use '-oy' or '--output-format=yaml' for yaml output")
-			}
-			outputFormat = inputFormat
-		}
-	} else if isAutomaticOutputFormat() {
-		// backwards compatibility -
-		// before this was introduced, `yq -pcsv things.csv`
-		// would produce *yaml* output.
-		//
-		outputFormat = yqlib.FormatFromFilename(inputFilename)
-		if inputFilename != "-" {
-			yqlib.GetLogger().Warning("yq default output is now 'auto' (based on the filename extension). Normally yq would output '%v', but for backwards compatibility 'yaml' has been set. Please use -oy to specify yaml, or drop the -p flag.", outputFormat)
-		}
-		outputFormat = "yaml"
-	}
-
-	outputFormatType, err := yqlib.OutputFormatFromString(outputFormat)
-
-	if err != nil {
-		return "", nil, err
-	}
-	yqlib.GetLogger().Debug("Using input format %v", inputFormat)
-	yqlib.GetLogger().Debug("Using output format %v", outputFormat)
-
-	if outputFormatType == yqlib.YamlOutputFormat ||
-		outputFormatType == yqlib.PropsOutputFormat {
-		unwrapScalar = true
-	}
-	if unwrapScalarFlag.IsExplicitlySet() {
-		unwrapScalar = unwrapScalarFlag.IsSet()
-	}
-
-	//copy preference form global setting
-	yqlib.ConfiguredYamlPreferences.UnwrapScalar = unwrapScalar
-
-	yqlib.ConfiguredYamlPreferences.PrintDocSeparators = !noDocSeparators
-
-	return expression, args, nil
-}
-
-func configureDecoder(evaluateTogether bool) (yqlib.Decoder, error) {
-	yqlibInputFormat, err := yqlib.InputFormatFromString(inputFormat)
-	if err != nil {
-		return nil, err
-	}
-	yqlibDecoder, err := createDecoder(yqlibInputFormat, evaluateTogether)
-	if yqlibDecoder == nil {
-		return nil, fmt.Errorf("no support for %s input format", inputFormat)
-	}
-	return yqlibDecoder, err
-}
-
-func createDecoder(format yqlib.InputFormat, evaluateTogether bool) (yqlib.Decoder, error) {
-	switch format {
-	case yqlib.LuaInputFormat:
-		return yqlib.NewLuaDecoder(yqlib.ConfiguredLuaPreferences), nil
-	case yqlib.XMLInputFormat:
-		return yqlib.NewXMLDecoder(yqlib.ConfiguredXMLPreferences), nil
-	case yqlib.PropertiesInputFormat:
-		return yqlib.NewPropertiesDecoder(), nil
-	case yqlib.JsonInputFormat:
-		return yqlib.NewJSONDecoder(), nil
-	case yqlib.CSVObjectInputFormat:
-		return yqlib.NewCSVObjectDecoder(','), nil
-	case yqlib.TSVObjectInputFormat:
-		return yqlib.NewCSVObjectDecoder('\t'), nil
-	case yqlib.TomlInputFormat:
-		return yqlib.NewTomlDecoder(), nil
-	case yqlib.YamlInputFormat:
-		prefs := yqlib.ConfiguredYamlPreferences
-		prefs.EvaluateTogether = evaluateTogether
-		return yqlib.NewYamlDecoder(prefs), nil
-	}
-	return nil, fmt.Errorf("invalid decoder: %v", format)
-}
-
-func configurePrinterWriter(format yqlib.PrinterOutputFormat, out io.Writer) (yqlib.PrinterWriter, error) {
-
-	var printerWriter yqlib.PrinterWriter
-
-	if splitFileExp != "" {
-		colorsEnabled = forceColor
-		splitExp, err := yqlib.ExpressionParser.ParseExpression(splitFileExp)
-		if err != nil {
-			return nil, fmt.Errorf("bad split document expression: %w", err)
-		}
-		printerWriter = yqlib.NewMultiPrinterWriter(splitExp, format)
-	} else {
-		printerWriter = yqlib.NewSinglePrinterWriter(out)
-	}
-	return printerWriter, nil
-}
-
-func configureEncoder() (yqlib.Encoder, error) {
-	yqlibOutputFormat, err := yqlib.OutputFormatFromString(outputFormat)
-	if err != nil {
-		return nil, err
-	}
-	yqlibEncoder, err := createEncoder(yqlibOutputFormat)
-	if yqlibEncoder == nil {
-		return nil, fmt.Errorf("no support for %s output format", outputFormat)
-	}
-	return yqlibEncoder, err
-}
-
-func createEncoder(format yqlib.PrinterOutputFormat) (yqlib.Encoder, error) {
-	switch format {
-	case yqlib.JSONOutputFormat:
-		return yqlib.NewJSONEncoder(indent, colorsEnabled, unwrapScalar), nil
-	case yqlib.PropsOutputFormat:
-		return yqlib.NewPropertiesEncoder(unwrapScalar), nil
-	case yqlib.CSVOutputFormat:
-		return yqlib.NewCsvEncoder(','), nil
-	case yqlib.TSVOutputFormat:
-		return yqlib.NewCsvEncoder('\t'), nil
-	case yqlib.YamlOutputFormat:
-		return yqlib.NewYamlEncoder(indent, colorsEnabled, yqlib.ConfiguredYamlPreferences), nil
-	case yqlib.XMLOutputFormat:
-		return yqlib.NewXMLEncoder(indent, yqlib.ConfiguredXMLPreferences), nil
-	case yqlib.TomlOutputFormat:
-		return yqlib.NewTomlEncoder(), nil
-	case yqlib.ShellVariablesOutputFormat:
-		return yqlib.NewShellVariablesEncoder(), nil
-	case yqlib.LuaOutputFormat:
-		return yqlib.NewLuaEncoder(yqlib.ConfiguredLuaPreferences), nil
-	}
-	return nil, fmt.Errorf("invalid encoder: %v", format)
-}
-
-// this is a hack to enable backwards compatibility with githubactions (which pipe /dev/null into everything)
-// and being able to call yq with the filename as a single parameter
-//
-// without this - yq detects there is stdin (thanks githubactions),
-// then tries to parse the filename as an expression
-func maybeFile(str string) bool {
-	yqlib.GetLogger().Debugf("checking '%v' is a file", str)
-	stat, err := os.Stat(str) // #nosec
-	result := err == nil && !stat.IsDir()
-	if yqlib.GetLogger().IsEnabledFor(logging.DEBUG) {
-		if err != nil {
-			yqlib.GetLogger().Debugf("error: %v", err)
-		} else {
-			yqlib.GetLogger().Debugf("error: %v, dir: %v", err, stat.IsDir())
-		}
-		yqlib.GetLogger().Debugf("result: %v", result)
-	}
-	return result
-}
-
-func processStdInArgs(args []string) []string {
-	stat, err := os.Stdin.Stat()
-	if err != nil {
-		yqlib.GetLogger().Debugf("error getting stdin: %v", err)
-	}
-	pipingStdin := stat != nil && (stat.Mode()&os.ModeCharDevice) == 0
-
-	// if we've been given a file, don't automatically
-	// read from stdin.
-	// this happens if there is more than one argument
-	// or only one argument and its a file
-	if nullInput || !pipingStdin || len(args) > 1 || (len(args) > 0 && maybeFile(args[0])) {
-		return args
-	}
-
-	for _, arg := range args {
-		if arg == "-" {
-			return args
-		}
-	}
-	yqlib.GetLogger().Debugf("missing '-', adding it to the end")
-
-	// we're piping from stdin, but there's no '-' arg
-	// lets add one to the end
-	return append(args, "-")
-}
-
-func processArgs(originalArgs []string) (string, []string, error) {
-	expression := forceExpression
-	if expressionFile != "" {
-		expressionBytes, err := os.ReadFile(expressionFile)
-		if err != nil {
-			return "", nil, err
-		}
-		//replace \r\n (windows) with good ol' unix file endings.
-		expression = strings.ReplaceAll(string(expressionBytes), "\r\n", "\n")
-	}
-
-	args := processStdInArgs(originalArgs)
-	yqlib.GetLogger().Debugf("processed args: %v", args)
-	if expression == "" && len(args) > 0 && args[0] != "-" && !maybeFile(args[0]) {
-		yqlib.GetLogger().Debug("assuming expression is '%v'", args[0])
-		expression = args[0]
-		args = args[1:]
-	}
-	return expression, args, nil
-}

cmd/version.go

@@ -11,7 +11,7 @@ var (
 	GitDescribe string
 
 	// Version is main version number that is being run at the moment.
-	Version = "v4.40.2"
+	Version = "4.9.3"
 
 	// VersionPrerelease is a pre-release marker for the version. If this is "" (empty string)
 	// then it means that it is a final release. Otherwise, this is a pre-release
@@ -25,7 +25,7 @@ const ProductName = "yq"
 // GetVersionDisplay composes the parts of the version in a way that's suitable
 // for displaying to humans.
 func GetVersionDisplay() string {
-	return fmt.Sprintf("yq (https://github.com/mikefarah/yq/) version %s\n", getHumanVersion())
+	return fmt.Sprintf("%s version %s\n", ProductName, getHumanVersion())
 }
 
 func getHumanVersion() string {

cmd/version_test.go

@@ -3,7 +3,7 @@ package cmd
 import "testing"
 
 func TestGetVersionDisplay(t *testing.T) {
-	var expectedVersion = ProductName + " (https://github.com/mikefarah/yq/) version " + Version
+	var expectedVersion = ProductName + " version " + Version
 	if VersionPrerelease != "" {
 		expectedVersion = expectedVersion + "-" + VersionPrerelease
 	}

cspell.config.yaml

@@ -1,14 +0,0 @@
----
-$schema: https://raw.githubusercontent.com/streetsidesoftware/cspell/main/cspell.schema.json
-version: '0.2'
-language: en-GB
-dictionaryDefinitions:
-  - name: project-words
-    path: './project-words.txt'
-    addWords: true
-dictionaries:
-  - project-words
-ignorePaths:
-  - 'vendor'
-  - 'bin'
-  - '/project-words.txt'

debian/changelog

@@ -1,137 +1,3 @@
-yq (4.16.2) focal; urgency=medium
-
-  * Fixed with semicolon space issue
-  * Updating with documentation
-  * Added STDIN example to the top
-  * minor readme cleanup
-  * Help text tweak
-  * Fixed docker timeout - simplify docker builds
-  * New release with docker build fixes
-  * Updating to go 1.17 to fix CVE #944
-  * Fix a typo in root.go
-  * Skip the tests if the nocheck Debian build option is specified
-  * Fixed select bug (#958)
-  * Sped up explode operator
-  * Slight performance improvement to context.ChildContext
-  * Speed up multiply
-  * Update README with recently added / changed options
-  * Make deepMatch report in linear time
-  * Removed leadingContentPreProcessing flag - header preprocessing is stable
-  * Revert "Removed leadingContentPreProcessing flag - header preprocessing is stable"
-  * Keep flag, it is needed in corner cases
-  * Updated Readme
-  * Man page
-  * Fixed expression parsing bug #970
-  * Bumping go-lang, docker versions
-  * Added test release flow
-  * Updated github action release to generate man page
-  * Bumping version
-  * Removing no longer needed github action
-  * Added decoder op
-  * Fixed newline handling when decoding/encoding
-  * Fixed newline handling in encoder/decoder
-  * Can specify indent in encode ops
-  * Added group_by operator
-  * Added flatten operator
-  * Fixed flatten error message
-  * Improving docs
-  * Split printer
-  * Refactored command logic
-  * Fix JSON encoding removing null #985
-  * Fixed acceptance tests
-  * gitbook
-  * Update document generation script
-  * Updating README
-  * Updating release instructions
-  * github action no longer uses data1.yml
-  * Create dependabot.yml
-  * Bump actions/create-release from 1.0.0 to 1.1.4
-  * Bump actions/setup-go from 1 to 2.1.4
-  * Bump github.com/goccy/go-yaml from 1.8.9 to 1.9.4
-  * Bump github.com/jinzhu/copier from 0.2.8 to 0.3.2
-  * Bump github.com/fatih/color from 1.10.0 to 1.13.0
-  * Bump github.com/spf13/cobra from 1.1.3 to 1.2.1
-  * Update dependabot.yml
-  * Update go.yml
-  * add build check to PRs
-  * Include secure as part of build process
-  * Fixing bad label in github action
-  * fixed printer test
-  * remove leading content indicator
-  * Fixed header preprocessing!
-  * lint : define golangci configuration file
-  * Update check.sh
-  * Load file acceptance test
-  * Minor improvement on handling front matter
-  * Improved load doc
-  * feature: detect MANPATh and install there
-  * Update install-man-page.sh
-  * simplify prod stage, move version label to action
-  * add labels, quote some values
-  * enable errorlint linter
-  * Added errorlint to devtools
-  * Added key operator
-  * Added more tests
-  * Fixing comments
-  * Attempt to fix golint problem
-  * Include version query for tools
-  * Clean up errored file?
-  * enable misspell linter
-  * updated readme
-  * update Golangci version to v1.43.0
-  * gci linter
-  * Better merge array by key example
-  * Added credit for merge by array example
-  * Better formatting of merge arrays example
-  * Better merge example
-  * Add accessor for the yq logger instance (#1013)
-  * Fixed collect op when working with multiple nodes
-  * Added map, map_values
-  * Add support for Podman as well as Docker (#1026)
-  * Bump github.com/jinzhu/copier from 0.3.2 to 0.3.4 (#1027)
-  * Added csv, tsv output formats
-  * Added encoder tests
-  * Cleanup test
-  * Fixed docker permission issue #1014
-  * Recording release notes for next release
-  * Assignment op no longer clobbers anchor (#1029)
-  * Added sort_by operator
-  * Improved error message
-  * Improved tips and tricks
-  * Report while filename failed to parse #1030
-  * Added script for extracting checksums
-  * Improved extract-checksum.sh
-  * Bump github.com/spf13/cobra from 1.2.1 to 1.3.0 (#1039)
-  * enable more linters (#1043)
-  * Bump Golang compiler #1037
-
- -- Roberto Mier Escandon <rmescandon@gmail.com>  Tue, 21 Dec 2021 09:41:44 +0000
-
-yq (4.13.0) focal; urgency=medium
-
-  * New `with` operator for making multiple changes to a given path
-  * New `contains` operator, works like the `jq` equivalent
-  * Subtract operator now supports subtracting elements from arrays!
-  * Fixed Swapping values using variables #934
-  * Github Action now properly supports multiline output #936, thanks @pjxiao
-  * Fixed missing closing bracket validation #932
-  * Fix processing of hex numbers #929
-  * Fixed alternative and union operator issues #930
-  * Can now convert yaml to properties properties format (`-o=props`), See [docs](https://mikefarah.gitbook.io/yq/v/v4.x/usage/properties) for more info.
-  * Fixed document header/footer comment handling when merging (https://github.com/mikefarah/yq/issues/919)
-  * pretty print yaml 1.1 compatibility  (https://github.com/mikefarah/yq/issues/914)
-
- -- Roberto Mier Escandon <rmescandon@gmail.com>  Thu, 16 Sep 2021 20:58:30 +0200
-
-yq (4.9.6) focal; urgency=medium
-
-  * Added darwin/arm64 build, thanks @alecthomas
-  * Incremented docker alpine base version, thanks @da6d6i7-bronga
-  * Bug fix: multiline expression
-  * Bug fix: special character
-
- -- Roberto Mier Escandon <rmescandon@gmail.com>  Tue, 29 Jun 2021 21:32:14 +0200
-
 yq (3.3.2) focal; urgency=medium
 
   * Bug fix: existStatus bug (#459)

debian/control

@@ -3,8 +3,8 @@ Section: devel
 Priority: optional
 Maintainer: Roberto Mier Escandón <rmescandon@gmail.com>
 Build-Depends: debhelper (>=10),
-               golang-1.17-go,
-               pandoc,
+               dh-golang (>=1.34),
+               golang-1.13,
                rsync
 Standards-Version: 4.1.4
 Homepage: https://github.com/mikefarah/yq.git

debian/rules

@@ -1,6 +1,6 @@
 #!/usr/bin/make -f
 #
-# Copyright (C) 2018-2021 Roberto Mier Escandón <rmescandon@gmail.com>
+# Copyright (C) 2018 Roberto Mier Escandón <rmescandon@gmail.com>
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License version 3 as
@@ -17,25 +17,24 @@
 PROJECT := yq
 OWNER := mikefarah
 REPO := github.com
+GOVERSION := 1.13
 
 export DH_OPTIONS
 export DH_GOPKG := ${REPO}/${OWNER}/${PROJECT}
-export GOROOT := /usr/local/go
+export GOROOT := /usr/lib/go-${GOVERSION}
 export GOPATH := ${CURDIR}/_build
 export GOBIN := ${GOPATH}/bin
 export PATH := ${GOROOT}/bin:${GOBIN}:${PATH}
 export GOCACHE := /tmp/gocache
 export GOFLAGS := -mod=vendor
-export GO111MODULE := on
 
 SRCDIR := ${GOPATH}/src/${DH_GOPKG}
 DESTDIR := ${CURDIR}/debian/${PROJECT}
 BINDIR := /usr/bin
-MANDIR := /usr/share/man/man1/
 ASSETSDIR := /usr/share/${PROJECT}
 
 %:
-	dh $@
+	dh $@ --builddirectory=${GOPATH} --buildsystem=golang
 
 override_dh_auto_build:
 	mkdir -p ${SRCDIR}
@@ -43,32 +42,16 @@ override_dh_auto_build:
 	# copy project to local srcdir to build from there
 	rsync -avz --progress --exclude=_build --exclude=debian --exclude=tmp. --exclude=go.mod --exclude=docs . $(SRCDIR)
 	# build go code
-	( \
-		cd ${SRCDIR} && \
-		go install -buildmode=pie ./... \
-	)
-
-	# build man page
-	( \
-		cd ${SRCDIR} && \
-		./scripts/generate-man-page-md.sh && \
-		./scripts/generate-man-page.sh \
-	)
+	(cd ${SRCDIR} && go install -buildmode=pie ./...)
 	
 override_dh_auto_test:
-ifeq (,$(filter nocheck,$(DEB_BUILD_OPTIONS)))
 	(cd ${SRCDIR} && go test -v ./...)
-endif
 
 override_dh_auto_install:
 	cp ${GOBIN}/yq ${DESTDIR}/${BINDIR}
 	cp -f ${SRCDIR}/LICENSE ${DESTDIR}/${ASSETSDIR}
 	chmod a+x ${DESTDIR}/${BINDIR}/yq
 
-	# man
-	mkdir -p "${DESTDIR}"/"${MANDIR}"
-	cp "${SRCDIR}"/yq.1 "${DESTDIR}"/"${MANDIR}" \
-
 override_dh_auto_clean:
 	dh_clean
 	rm -rf ${CURDIR}/_build

examples/array.yaml

@@ -1,2 +1,11 @@
-- [cat, dog, frog, cow]
-- [apple, banana, grape, mango]
+---
+- become: true
+  gather_facts: false
+  hosts: lalaland
+  name: "Apply smth"
+  roles:
+    - lala
+    - land
+  serial: 1
+- become: false
+  gather_facts: true

examples/base64.txt

@@ -1 +0,0 @@
-bXkgc2VjcmV0IGNoaWxsaSByZWNpcGUgaXMuLi4u

examples/data.lua

@@ -1,9 +0,0 @@
-return {
-	["country"] = "Australia"; -- this place
-	["cities"] = {
-		"Sydney",
-		"Melbourne",
-		"Brisbane",
-		"Perth",
-	};
-};

examples/data1.yaml

@@ -1,2 +1,6 @@
-a: #things
-  meow
+a:
+  key1: "value1"
+  key2: 2.6
+  ab:
+    key1: 6
+    key2: "h"

examples/data2.yaml

@@ -1,5 +1,7 @@
-# --------------------------------------------------
-# It's a test with comment
-# --------------------------------------------------
-groups:
-  - name: d
+a: other # better than the original
+b: [3, 4]
+c:
+  toast: leave
+  test: 1
+  tell: 1
+  tasty.taco: cool

examples/empty.yaml

@@ -1 +1,2 @@
-# comment
+# a: apple
+# b: cat

examples/example.properties

@@ -1,6 +0,0 @@
-# comments on values appear
-person.name = Mike
-
-# comments on array values appear
-person.pets.0 = cat
-person.food.0 = pizza

examples/front-matter.yaml

@@ -1,6 +0,0 @@
----
-a: apple
-b: bannana
----
-hello there
-apples: great

examples/leading-separator.yaml

@@ -1,2 +0,0 @@
----
-a: test

examples/mike.xml

@@ -1 +0,0 @@
-<zoo><thing><frog>boing</frog></thing></zoo>

examples/mike2.xml

@@ -1,11 +0,0 @@
-  <?xml version="1.0" encoding="UTF-8"?>
-  <!-- osm-->
-  <osm version="0.6" generator="CGImap 0.0.2">
-  <!-- bounds-->
-   <bounds minlat="54.0889580" minlon="12.2487570" maxlat="54.0913900" maxlon="12.2524800">
-   <!-- great -->
-   cool
-   </bounds>
-   <foo>ba2234r</foo>
-   <foo>bar2234233</foo>
-  </osm>

examples/sample.toml

@@ -1,26 +0,0 @@
-
-
-# This is a TOML document
-
-title = "TOML Example"
-
-[owner]
-name = "Tom Preston-Werner"
-dob = 1979-05-27T07:32:00-08:00
-
-[database]
-enabled = true
-ports = [ 8000, 8001, 8002 ]
-data = [ ["delta", "phi"], [3.14] ]
-temp_targets = { cpu = 79.5, case = 72.0 }
-
-[servers]
-
-[servers.alpha]
-ip = "10.0.0.1"
-role = "frontend"
-
-[servers.beta]
-ip = "10.0.0.2"
-role = "backend"
-

examples/sample.yaml

@@ -1,2 +1,11 @@
- # things
-a: apple
+# Some doc
+
+a: true
+b:
+  c: 2
+  d: [3, 4, 5]
+  e:
+    - name: fred
+      value: 3
+    - name: sam
+      value: 4

examples/sample_objects.csv

@@ -1,3 +0,0 @@
-name,numberOfCats,likesApples,height
-,1,true,168.8
-Samantha's Rabbit,2,false,-188.8

examples/small.properties

@@ -1 +0,0 @@
-this.is = a properties file

examples/small.xml

@@ -1 +0,0 @@
-<this>is some xml</this>

examples/small.yaml

@@ -1,4 +0,0 @@
----
-# comment
-# about things
-a: cat

examples/thing.yml

@@ -1,2 +0,0 @@
-a: apple is included
-b: cool.

github-action/Dockerfile

@@ -1,9 +1,5 @@
-FROM mikefarah/yq:4
+FROM mikefarah/yq:4.9.3
 
 COPY entrypoint.sh /entrypoint.sh
 
-# github action recommendation is to run as root.
-# https://docs.github.com/en/actions/creating-actions/dockerfile-support-for-github-actions#user
-USER root
-
 ENTRYPOINT ["/entrypoint.sh"]

github-action/entrypoint.sh

@@ -1,12 +1,4 @@
 #!/bin/sh -l
-set -e
-echo "::debug::\$cmd: $1"
-RESULT=$(eval "$1")
-echo "::debug::\$RESULT: $RESULT"
-# updating from 
-# https://github.com/orgs/community/discussions/26288#discussioncomment-3876281
-# https://docs.github.com/en/actions/using-workflows/workflow-commands-for-github-actions#setting-an-output-parameter
-delimiter=$(cat /proc/sys/kernel/random/uuid)
-echo "result<<${delimiter}" >> "${GITHUB_OUTPUT}"
-echo "${RESULT}" >> "${GITHUB_OUTPUT}"
-echo "${delimiter}" >> "${GITHUB_OUTPUT}"
+
+echo "$1"
+eval $1

go.mod

@@ -1,33 +1,16 @@
 module github.com/mikefarah/yq/v4
 
 require (
-	github.com/a8m/envsubst v1.4.2
-	github.com/alecthomas/participle/v2 v2.1.0
-	github.com/alecthomas/repr v0.3.0
-	github.com/dimchansky/utfbom v1.1.1
-	github.com/elliotchance/orderedmap v1.5.1
-	github.com/fatih/color v1.16.0
-	github.com/goccy/go-json v0.10.2
-	github.com/goccy/go-yaml v1.11.2
-	github.com/jinzhu/copier v0.4.0
-	github.com/magiconair/properties v1.8.7
-	github.com/pelletier/go-toml/v2 v2.1.0
-	github.com/pkg/diff v0.0.0-20210226163009-20ebb0f2a09e
-	github.com/spf13/cobra v1.8.0
-	github.com/spf13/pflag v1.0.5
-	github.com/yuin/gopher-lua v1.1.0
-	golang.org/x/net v0.18.0
-	golang.org/x/text v0.14.0
+	github.com/elliotchance/orderedmap v1.4.0
+	github.com/fatih/color v1.10.0
+	github.com/goccy/go-yaml v1.8.9
+	github.com/jinzhu/copier v0.2.8
+	github.com/spf13/cobra v1.1.3
+	github.com/timtadh/data-structures v0.5.3 // indirect
+	github.com/timtadh/lexmachine v0.2.2
+	golang.org/x/sys v0.0.0-20210317225723-c4fcb01b228e // indirect
 	gopkg.in/op/go-logging.v1 v1.0.0-20160211212156-b2cb9fa56473
-	gopkg.in/yaml.v3 v3.0.1
+	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b
 )
 
-require (
-	github.com/inconshreveable/mousetrap v1.1.0 // indirect
-	github.com/mattn/go-colorable v0.1.13 // indirect
-	github.com/mattn/go-isatty v0.0.20 // indirect
-	golang.org/x/sys v0.14.0 // indirect
-	golang.org/x/xerrors v0.0.0-20220907171357-04be3eba64a2 // indirect
-)
-
-go 1.21
+go 1.15

go.sum

@@ -1,85 +1,328 @@
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 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
-gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
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+honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
+rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=

pkg/yqlib/all_at_once_evaluator.go

@@ -2,38 +2,40 @@ package yqlib
 
 import (
 	"container/list"
+
+	yaml "gopkg.in/yaml.v3"
 )
 
 // A yaml expression evaluator that runs the expression once against all files/nodes in memory.
 type Evaluator interface {
-	EvaluateFiles(expression string, filenames []string, printer Printer, decoder Decoder) error
+	EvaluateFiles(expression string, filenames []string, printer Printer) error
 
 	// EvaluateNodes takes an expression and one or more yaml nodes, returning a list of matching candidate nodes
-	EvaluateNodes(expression string, nodes ...*CandidateNode) (*list.List, error)
+	EvaluateNodes(expression string, nodes ...*yaml.Node) (*list.List, error)
 
 	// EvaluateCandidateNodes takes an expression and list of candidate nodes, returning a list of matching candidate nodes
 	EvaluateCandidateNodes(expression string, inputCandidateNodes *list.List) (*list.List, error)
 }
 
 type allAtOnceEvaluator struct {
-	treeNavigator DataTreeNavigator
+	treeNavigator dataTreeNavigator
+	treeCreator   ExpressionParser
 }
 
 func NewAllAtOnceEvaluator() Evaluator {
-	InitExpressionParser()
-	return &allAtOnceEvaluator{treeNavigator: NewDataTreeNavigator()}
+	return &allAtOnceEvaluator{treeNavigator: newDataTreeNavigator(), treeCreator: NewExpressionParser()}
 }
 
-func (e *allAtOnceEvaluator) EvaluateNodes(expression string, nodes ...*CandidateNode) (*list.List, error) {
+func (e *allAtOnceEvaluator) EvaluateNodes(expression string, nodes ...*yaml.Node) (*list.List, error) {
 	inputCandidates := list.New()
 	for _, node := range nodes {
-		inputCandidates.PushBack(node)
+		inputCandidates.PushBack(&CandidateNode{Node: node})
 	}
 	return e.EvaluateCandidateNodes(expression, inputCandidates)
 }
 
 func (e *allAtOnceEvaluator) EvaluateCandidateNodes(expression string, inputCandidates *list.List) (*list.List, error) {
-	node, err := ExpressionParser.ParseExpression(expression)
+	node, err := e.treeCreator.ParseExpression(expression)
 	if err != nil {
 		return nil, err
 	}
@@ -44,29 +46,22 @@ func (e *allAtOnceEvaluator) EvaluateCandidateNodes(expression string, inputCand
 	return context.MatchingNodes, nil
 }
 
-func (e *allAtOnceEvaluator) EvaluateFiles(expression string, filenames []string, printer Printer, decoder Decoder) error {
+func (e *allAtOnceEvaluator) EvaluateFiles(expression string, filenames []string, printer Printer) error {
 	fileIndex := 0
 
-	var allDocuments = list.New()
+	var allDocuments *list.List = list.New()
 	for _, filename := range filenames {
 		reader, err := readStream(filename)
 		if err != nil {
 			return err
 		}
-
-		fileDocuments, err := readDocuments(reader, filename, fileIndex, decoder)
+		fileDocuments, err := readDocuments(reader, filename, fileIndex)
 		if err != nil {
 			return err
 		}
 		allDocuments.PushBackList(fileDocuments)
 		fileIndex = fileIndex + 1
 	}
-
-	if allDocuments.Len() == 0 {
-		candidateNode := createScalarNode(nil, "")
-		allDocuments.PushBack(candidateNode)
-	}
-
 	matches, err := e.EvaluateCandidateNodes(expression, allDocuments)
 	if err != nil {
 		return err

pkg/yqlib/all_at_once_evaluator_test.go

@@ -1,8 +1,6 @@
 package yqlib
 
 import (
-	"bufio"
-	"strings"
 	"testing"
 
 	"github.com/mikefarah/yq/v4/test"
@@ -20,7 +18,7 @@ var evaluateNodesScenario = []expressionScenario{
 		document:   `a: hello`,
 		expression: `.`,
 		expected: []string{
-			"D0, P[], (!!map)::a: hello\n",
+			"D0, P[], (doc)::a: hello\n",
 		},
 	},
 	{
@@ -34,23 +32,9 @@ var evaluateNodesScenario = []expressionScenario{
 
 func TestAllAtOnceEvaluateNodes(t *testing.T) {
 	var evaluator = NewAllAtOnceEvaluator()
-	// logging.SetLevel(logging.DEBUG, "")
 	for _, tt := range evaluateNodesScenario {
-		decoder := NewYamlDecoder(NewDefaultYamlPreferences())
-		reader := bufio.NewReader(strings.NewReader(tt.document))
-		err := decoder.Init(reader)
-		if err != nil {
-			t.Error(err)
-			return
-		}
-		candidateNode, errorReading := decoder.Decode()
-
-		if errorReading != nil {
-			t.Error(errorReading)
-			return
-		}
-
-		list, _ := evaluator.EvaluateNodes(tt.expression, candidateNode)
-		test.AssertResultComplex(t, tt.expected, resultsToString(t, list))
+		node := test.ParseData(tt.document)
+		list, _ := evaluator.EvaluateNodes(tt.expression, &node)
+		test.AssertResultComplex(t, tt.expected, resultsToString(list))
 	}
 }

pkg/yqlib/candidate_node.go

@@ -1,429 +1,101 @@
 package yqlib
 
 import (
-	"container/list"
 	"fmt"
-	"strconv"
-	"strings"
+
+	"github.com/jinzhu/copier"
+	yaml "gopkg.in/yaml.v3"
 )
 
-type Kind uint32
-
-const (
-	SequenceNode Kind = 1 << iota
-	MappingNode
-	ScalarNode
-	AliasNode
-)
-
-type Style uint32
-
-const (
-	TaggedStyle Style = 1 << iota
-	DoubleQuotedStyle
-	SingleQuotedStyle
-	LiteralStyle
-	FoldedStyle
-	FlowStyle
-)
-
-func createStringScalarNode(stringValue string) *CandidateNode {
-	var node = &CandidateNode{Kind: ScalarNode}
-	node.Value = stringValue
-	node.Tag = "!!str"
-	return node
-}
-
-func createScalarNode(value interface{}, stringValue string) *CandidateNode {
-	var node = &CandidateNode{Kind: ScalarNode}
-	node.Value = stringValue
-
-	switch value.(type) {
-	case float32, float64:
-		node.Tag = "!!float"
-	case int, int64, int32:
-		node.Tag = "!!int"
-	case bool:
-		node.Tag = "!!bool"
-	case string:
-		node.Tag = "!!str"
-	case nil:
-		node.Tag = "!!null"
-	}
-	return node
-}
-
 type CandidateNode struct {
-	Kind  Kind
-	Style Style
-
-	Tag     string
-	Value   string
-	Anchor  string
-	Alias   *CandidateNode
-	Content []*CandidateNode
-
-	HeadComment string
-	LineComment string
-	FootComment string
-
-	Parent *CandidateNode // parent node
-	Key    *CandidateNode // node key, if this is a value from a map (or index in an array)
-
-	LeadingContent string
-
-	document uint // the document index of this node
-	filename string
-
-	Line   int
-	Column int
-
-	fileIndex int
+	Node      *yaml.Node     // the actual node
+	Parent    *CandidateNode // parent node
+	Path      []interface{}  /// the path we took to get to this node
+	Document  uint           // the document index of this node
+	Filename  string
+	FileIndex int
 	// when performing op against all nodes given, this will treat all the nodes as one
-	// (e.g. top level cross document merge). This property does not propagate to child nodes.
+	// (e.g. top level cross document merge). This property does not propegate to child nodes.
 	EvaluateTogether bool
 	IsMapKey         bool
 }
 
-func (n *CandidateNode) CreateChild() *CandidateNode {
-	return &CandidateNode{
-		Parent: n,
-	}
-}
-
-func (n *CandidateNode) SetDocument(idx uint) {
-	n.document = idx
-}
-
-func (n *CandidateNode) GetDocument() uint {
-	// defer to parent
-	if n.Parent != nil {
-		return n.Parent.GetDocument()
-	}
-	return n.document
-}
-
-func (n *CandidateNode) SetFilename(name string) {
-	n.filename = name
-}
-
-func (n *CandidateNode) GetFilename() string {
-	if n.Parent != nil {
-		return n.Parent.GetFilename()
-	}
-	return n.filename
-}
-
-func (n *CandidateNode) SetFileIndex(idx int) {
-	n.fileIndex = idx
-}
-
-func (n *CandidateNode) GetFileIndex() int {
-	if n.Parent != nil {
-		return n.Parent.GetFileIndex()
-	}
-	return n.fileIndex
-}
-
 func (n *CandidateNode) GetKey() string {
 	keyPrefix := ""
 	if n.IsMapKey {
-		keyPrefix = fmt.Sprintf("key-%v-", n.Value)
+		keyPrefix = "key-"
 	}
-	key := ""
-	if n.Key != nil {
-		key = n.Key.Value
-	}
-	return fmt.Sprintf("%v%v - %v", keyPrefix, n.GetDocument(), key)
+	return fmt.Sprintf("%v%v - %v", keyPrefix, n.Document, n.Path)
 }
 
-func (n *CandidateNode) getParsedKey() interface{} {
-	if n.IsMapKey {
-		return n.Value
+func (n *CandidateNode) CreateChild(path interface{}, node *yaml.Node) *CandidateNode {
+	return &CandidateNode{
+		Node:      node,
+		Path:      n.createChildPath(path),
+		Parent:    n,
+		Document:  n.Document,
+		Filename:  n.Filename,
+		FileIndex: n.FileIndex,
 	}
-	if n.Key == nil {
-		return nil
+}
+
+func (n *CandidateNode) createChildPath(path interface{}) []interface{} {
+	if path == nil {
+		newPath := make([]interface{}, len(n.Path))
+		copy(newPath, n.Path)
+		return newPath
 	}
-	if n.Key.Tag == "!!str" {
-		return n.Key.Value
-	}
-	index, err := parseInt(n.Key.Value)
+
+	//don't use append as they may actually modify the path of the orignal node!
+	newPath := make([]interface{}, len(n.Path)+1)
+	copy(newPath, n.Path)
+	newPath[len(n.Path)] = path
+	return newPath
+}
+
+func (n *CandidateNode) Copy() (*CandidateNode, error) {
+	clone := &CandidateNode{}
+	err := copier.Copy(clone, n)
 	if err != nil {
-		return n.Key.Value
+		return nil, err
 	}
-	return index
-
-}
-
-func (n *CandidateNode) GetPath() []interface{} {
-	key := n.getParsedKey()
-	if n.Parent != nil && key != nil {
-		return append(n.Parent.GetPath(), key)
-	}
-
-	if key != nil {
-		return []interface{}{key}
-	}
-	return make([]interface{}, 0)
-}
-
-func (n *CandidateNode) GetNicePath() string {
-	var sb strings.Builder
-	path := n.GetPath()
-	for i, element := range path {
-		elementStr := fmt.Sprintf("%v", element)
-		switch element.(type) {
-		case int:
-			sb.WriteString("[" + elementStr + "]")
-		default:
-			if i == 0 {
-				sb.WriteString(elementStr)
-			} else if strings.ContainsRune(elementStr, '.') {
-				sb.WriteString("[" + elementStr + "]")
-			} else {
-				sb.WriteString("." + elementStr)
-			}
-		}
-	}
-	return sb.String()
-}
-
-func (n *CandidateNode) AsList() *list.List {
-	elMap := list.New()
-	elMap.PushBack(n)
-	return elMap
-}
-
-func (n *CandidateNode) SetParent(parent *CandidateNode) {
-	n.Parent = parent
-}
-
-func (n *CandidateNode) AddKeyValueChild(rawKey *CandidateNode, rawValue *CandidateNode) (*CandidateNode, *CandidateNode) {
-	key := rawKey.Copy()
-	key.SetParent(n)
-	key.IsMapKey = true
-
-	value := rawValue.Copy()
-	value.SetParent(n)
-	value.Key = key
-
-	n.Content = append(n.Content, key, value)
-	return key, value
-}
-
-func (n *CandidateNode) AddChild(rawChild *CandidateNode) {
-	value := rawChild.Copy()
-	value.SetParent(n)
-	if value.Key != nil {
-		value.Key.SetParent(n)
-	} else {
-		index := len(n.Content)
-		keyNode := createScalarNode(index, fmt.Sprintf("%v", index))
-		keyNode.SetParent(n)
-		value.Key = keyNode
-	}
-	n.Content = append(n.Content, value)
-}
-
-func (n *CandidateNode) AddChildren(children []*CandidateNode) {
-	if n.Kind == MappingNode {
-		for i := 0; i < len(children); i += 2 {
-			key := children[i]
-			value := children[i+1]
-			n.AddKeyValueChild(key, value)
-		}
-
-	} else {
-		for _, rawChild := range children {
-			n.AddChild(rawChild)
-		}
-	}
-}
-
-func (n *CandidateNode) GetValueRep() (interface{}, error) {
-	log.Debugf("GetValueRep for %v value: %v", n.GetNicePath(), n.Value)
-	realTag := n.guessTagFromCustomType()
-
-	switch realTag {
-	case "!!int":
-		_, val, err := parseInt64(n.Value)
-		return val, err
-	case "!!float":
-		// need to test this
-		return strconv.ParseFloat(n.Value, 64)
-	case "!!bool":
-		return isTruthyNode(n), nil
-	case "!!null":
-		return nil, nil
-	}
-
-	return n.Value, nil
-}
-
-func (n *CandidateNode) guessTagFromCustomType() string {
-	if strings.HasPrefix(n.Tag, "!!") {
-		return n.Tag
-	} else if n.Value == "" {
-		log.Debug("guessTagFromCustomType: node has no value to guess the type with")
-		return n.Tag
-	}
-	dataBucket, errorReading := parseSnippet(n.Value)
-
-	if errorReading != nil {
-		log.Debug("guessTagFromCustomType: could not guess underlying tag type %v", errorReading)
-		return n.Tag
-	}
-	guessedTag := dataBucket.Tag
-	log.Info("im guessing the tag %v is a %v", n.Tag, guessedTag)
-	return guessedTag
-}
-
-func (n *CandidateNode) CreateReplacement(kind Kind, tag string, value string) *CandidateNode {
-	node := &CandidateNode{
-		Kind:  kind,
-		Tag:   tag,
-		Value: value,
-	}
-	return n.CopyAsReplacement(node)
-}
-
-func (n *CandidateNode) CopyAsReplacement(replacement *CandidateNode) *CandidateNode {
-	newCopy := replacement.Copy()
-	newCopy.Parent = n.Parent
-
-	if n.IsMapKey {
-		newCopy.Key = n
-	} else {
-		newCopy.Key = n.Key
-	}
-
-	return newCopy
-}
-
-func (n *CandidateNode) CreateReplacementWithComments(kind Kind, tag string, style Style) *CandidateNode {
-	replacement := n.CreateReplacement(kind, tag, "")
-	replacement.LeadingContent = n.LeadingContent
-	replacement.HeadComment = n.HeadComment
-	replacement.LineComment = n.LineComment
-	replacement.FootComment = n.FootComment
-	replacement.Style = style
-	return replacement
-}
-
-func (n *CandidateNode) Copy() *CandidateNode {
-	return n.doCopy(true)
-}
-
-func (n *CandidateNode) CopyWithoutContent() *CandidateNode {
-	return n.doCopy(false)
-}
-
-func (n *CandidateNode) doCopy(cloneContent bool) *CandidateNode {
-	var content []*CandidateNode
-
-	var copyKey *CandidateNode
-	if n.Key != nil {
-		copyKey = n.Key.Copy()
-	}
-
-	clone := &CandidateNode{
-		Kind:  n.Kind,
-		Style: n.Style,
-
-		Tag:    n.Tag,
-		Value:  n.Value,
-		Anchor: n.Anchor,
-
-		// ok not to clone this,
-		// as its a reference to somewhere else.
-		Alias:   n.Alias,
-		Content: content,
-
-		HeadComment: n.HeadComment,
-		LineComment: n.LineComment,
-		FootComment: n.FootComment,
-
-		Parent: n.Parent,
-		Key:    copyKey,
-
-		LeadingContent: n.LeadingContent,
-
-		document:  n.document,
-		filename:  n.filename,
-		fileIndex: n.fileIndex,
-
-		Line:   n.Line,
-		Column: n.Column,
-
-		EvaluateTogether: n.EvaluateTogether,
-		IsMapKey:         n.IsMapKey,
-	}
-
-	if cloneContent {
-		clone.AddChildren(n.Content)
-	}
-
-	return clone
+	return clone, nil
 }
 
 // updates this candidate from the given candidate node
-func (n *CandidateNode) UpdateFrom(other *CandidateNode, prefs assignPreferences) {
-	if n == other {
-		log.Debugf("UpdateFrom, no need to update from myself.")
-		return
-	}
-	// if this is an empty map or empty array, use the style of other node.
-	if (n.Kind != ScalarNode && len(n.Content) == 0) ||
-		// if the tag has changed (e.g. from str to bool)
-		(n.guessTagFromCustomType() != other.guessTagFromCustomType()) {
-		n.Style = other.Style
-	}
-
-	n.Content = make([]*CandidateNode, 0)
-	n.Kind = other.Kind
-	n.AddChildren(other.Content)
-
-	n.Value = other.Value
-
-	n.UpdateAttributesFrom(other, prefs)
+func (n *CandidateNode) UpdateFrom(other *CandidateNode) {
 
+	n.UpdateAttributesFrom(other)
+	n.Node.Content = other.Node.Content
+	n.Node.Value = other.Node.Value
 }
 
-func (n *CandidateNode) UpdateAttributesFrom(other *CandidateNode, prefs assignPreferences) {
-	log.Debug("UpdateAttributesFrom: n: %v other: %v", NodeToString(n), NodeToString(other))
-	if n.Kind != other.Kind {
+func (n *CandidateNode) UpdateAttributesFrom(other *CandidateNode) {
+	log.Debug("UpdateAttributesFrom: n: %v other: %v", n.GetKey(), other.GetKey())
+	if n.Node.Kind != other.Node.Kind {
 		// clear out the contents when switching to a different type
 		// e.g. map to array
-		n.Content = make([]*CandidateNode, 0)
-		n.Value = ""
-	}
-	n.Kind = other.Kind
-
-	// don't clobber custom tags...
-	if prefs.ClobberCustomTags || strings.HasPrefix(n.Tag, "!!") || n.Tag == "" {
-		n.Tag = other.Tag
-	}
-
-	n.Alias = other.Alias
-
-	if !prefs.DontOverWriteAnchor {
-		n.Anchor = other.Anchor
+		n.Node.Content = make([]*yaml.Node, 0)
+		n.Node.Value = ""
 	}
+	n.Node.Kind = other.Node.Kind
+	n.Node.Tag = other.Node.Tag
+	n.Node.Alias = other.Node.Alias
+	n.Node.Anchor = other.Node.Anchor
 
 	// merge will pickup the style of the new thing
 	// when autocreating nodes
-
-	if n.Style == 0 {
-		n.Style = other.Style
+	if n.Node.Style == 0 {
+		n.Node.Style = other.Node.Style
 	}
 
-	if other.FootComment != "" {
-		n.FootComment = other.FootComment
+	if other.Node.FootComment != "" {
+		n.Node.FootComment = other.Node.FootComment
 	}
-	if other.HeadComment != "" {
-		n.HeadComment = other.HeadComment
+	if other.Node.HeadComment != "" {
+		n.Node.HeadComment = other.Node.HeadComment
 	}
-	if other.LineComment != "" {
-		n.LineComment = other.LineComment
+	if other.Node.LineComment != "" {
+		n.Node.LineComment = other.Node.LineComment
 	}
 }

pkg/yqlib/candidate_node_goccy_yaml.go

@@ -1,187 +0,0 @@
-package yqlib
-
-import (
-	"fmt"
-	"strings"
-
-	yaml "github.com/goccy/go-yaml"
-	"github.com/goccy/go-yaml/ast"
-	goccyToken "github.com/goccy/go-yaml/token"
-)
-
-func (o *CandidateNode) goccyDecodeIntoChild(childNode ast.Node, cm yaml.CommentMap) (*CandidateNode, error) {
-	newChild := o.CreateChild()
-
-	err := newChild.UnmarshalGoccyYAML(childNode, cm)
-	return newChild, err
-}
-
-func (o *CandidateNode) UnmarshalGoccyYAML(node ast.Node, cm yaml.CommentMap, anchorMap map[string]*CandidateNode) error {
-	log.Debugf("UnmarshalYAML %v", node)
-	log.Debugf("UnmarshalYAML %v", node.Type().String())
-	log.Debugf("UnmarshalYAML Node Value: %v", node.String())
-	log.Debugf("UnmarshalYAML Node GetComment: %v", node.GetComment())
-
-	if node.GetComment() != nil {
-		commentMapComments := cm[node.GetPath()]
-		for _, comment := range node.GetComment().Comments {
-			// need to use the comment map to find the position :/
-			log.Debugf("%v has a comment of [%v]", node.GetPath(), comment.Token.Value)
-			for _, commentMapComment := range commentMapComments {
-				commentMapValue := strings.Join(commentMapComment.Texts, "\n")
-				if commentMapValue == comment.Token.Value {
-					log.Debug("found a matching entry in comment map")
-					// we found the comment in the comment map,
-					// now we can process the position
-					switch commentMapComment.Position {
-					case yaml.CommentHeadPosition:
-						o.HeadComment = comment.String()
-						log.Debug("its a head comment %v", comment.String())
-					case yaml.CommentLinePosition:
-						o.LineComment = comment.String()
-						log.Debug("its a line comment %v", comment.String())
-					case yaml.CommentFootPosition:
-						o.FootComment = comment.String()
-						log.Debug("its a foot comment %v", comment.String())
-					}
-				}
-			}
-
-		}
-	}
-	o.Anchor = node.
-
-	if o.Anchor != "" {
-		anchorMap[o.Anchor] = o
-	}
-
-	if o.Ali
-
-	o.Value = node.String()
-	switch node.Type() {
-	case ast.IntegerType:
-		o.Kind = ScalarNode
-		o.Tag = "!!int"
-	case ast.FloatType:
-		o.Kind = ScalarNode
-		o.Tag = "!!float"
-	case ast.BoolType:
-		o.Kind = ScalarNode
-		o.Tag = "!!bool"
-	case ast.NullType:
-		o.Kind = ScalarNode
-		o.Tag = "!!null"
-		o.Value = node.GetToken().Value
-	case ast.StringType:
-		o.Kind = ScalarNode
-		o.Tag = "!!str"
-		switch node.GetToken().Type {
-		case goccyToken.SingleQuoteType:
-			o.Style = SingleQuotedStyle
-		case goccyToken.DoubleQuoteType:
-			o.Style = DoubleQuotedStyle
-		}
-		o.Value = node.(*ast.StringNode).Value
-		log.Debugf("string value %v", node.(*ast.StringNode).Value)
-	case ast.LiteralType:
-		o.Kind = ScalarNode
-		o.Tag = "!!str"
-		o.Style = LiteralStyle
-		astLiteral := node.(*ast.LiteralNode)
-		log.Debugf("astLiteral.Start.Type %v", astLiteral.Start.Type)
-		if astLiteral.Start.Type == goccyToken.FoldedType {
-			log.Debugf("folded Type %v", astLiteral.Start.Type)
-			o.Style = FoldedStyle
-		}
-		log.Debug("start value: %v ", node.(*ast.LiteralNode).Start.Value)
-		log.Debug("start value: %v ", node.(*ast.LiteralNode).Start.Type)
-		// TODO: here I could put the original value with line breaks
-		// to solve the multiline > problem
-		o.Value = astLiteral.Value.Value
-	case ast.TagType:
-		if err := o.UnmarshalGoccyYAML(node.(*ast.TagNode).Value, cm, anchorMap); err != nil {
-			return err
-		}
-		o.Tag = node.(*ast.TagNode).Start.Value
-	case ast.MappingType:
-		log.Debugf("UnmarshalYAML -  a mapping node")
-		o.Kind = MappingNode
-		o.Tag = "!!map"
-
-		mappingNode := node.(*ast.MappingNode)
-		if mappingNode.IsFlowStyle {
-			o.Style = FlowStyle
-		}
-		for _, mappingValueNode := range mappingNode.Values {
-			err := o.goccyProcessMappingValueNode(mappingValueNode, cm)
-			if err != nil {
-				return ast.ErrInvalidAnchorName
-			}
-		}
-		if mappingNode.FootComment != nil {
-			log.Debugf("mapping node has a foot comment of: %v", mappingNode.FootComment)
-			o.FootComment = mappingNode.FootComment.String()
-		}
-	case ast.MappingValueType:
-		log.Debugf("UnmarshalYAML -  a mapping node")
-		o.Kind = MappingNode
-		o.Tag = "!!map"
-		mappingValueNode := node.(*ast.MappingValueNode)
-		err := o.goccyProcessMappingValueNode(mappingValueNode, cm)
-		if err != nil {
-			return ast.ErrInvalidAnchorName
-		}
-	case ast.SequenceType:
-		log.Debugf("UnmarshalYAML -  a sequence node")
-		o.Kind = SequenceNode
-		o.Tag = "!!seq"
-		sequenceNode := node.(*ast.SequenceNode)
-		if sequenceNode.IsFlowStyle {
-			o.Style = FlowStyle
-		}
-		astSeq := sequenceNode.Values
-		o.Content = make([]*CandidateNode, len(astSeq))
-		for i := 0; i < len(astSeq); i++ {
-			keyNode := o.CreateChild()
-			keyNode.IsMapKey = true
-			keyNode.Tag = "!!int"
-			keyNode.Kind = ScalarNode
-			keyNode.Value = fmt.Sprintf("%v", i)
-
-			valueNode, err := o.goccyDecodeIntoChild(astSeq[i], cm)
-			if err != nil {
-				return err
-			}
-
-			valueNode.Key = keyNode
-			o.Content[i] = valueNode
-		}
-
-	default:
-		log.Debugf("UnmarshalYAML -  node idea of the type!!")
-	}
-	log.Debugf("KIND: %v", o.Kind)
-	return nil
-}
-
-func (o *CandidateNode) goccyProcessMappingValueNode(mappingEntry *ast.MappingValueNode, cm yaml.CommentMap) error {
-	log.Debug("UnmarshalYAML MAP KEY entry %v", mappingEntry.Key)
-	keyNode, err := o.goccyDecodeIntoChild(mappingEntry.Key, cm)
-	if err != nil {
-		return err
-	}
-	keyNode.IsMapKey = true
-
-	log.Debug("UnmarshalYAML MAP VALUE entry %v", mappingEntry.Value)
-	valueNode, err := o.goccyDecodeIntoChild(mappingEntry.Value, cm)
-	if err != nil {
-		return err
-	}
-
-	if mappingEntry.FootComment != nil {
-		valueNode.FootComment = mappingEntry.FootComment.String()
-	}
-	o.AddKeyValueChild(keyNode, valueNode)
-
-	return nil
-}

pkg/yqlib/candidate_node_test.go

@@ -1,149 +0,0 @@
-package yqlib
-
-import (
-	"fmt"
-	"testing"
-
-	"github.com/mikefarah/yq/v4/test"
-)
-
-type valueRepScenario struct {
-	input    string
-	tag      string
-	expected interface{}
-}
-
-var valueRepScenarios = []valueRepScenario{
-	{
-		input:    `"cat"`,
-		expected: `"cat"`,
-	},
-	{
-		input:    `3`,
-		expected: int64(3),
-	},
-	{
-		input:    `3.1`,
-		expected: float64(3.1),
-	},
-	{
-		input:    `true`,
-		expected: true,
-	},
-	{
-		input:    `y`,
-		tag:      "!!bool",
-		expected: true,
-	},
-	{
-		tag:      "!!null",
-		expected: nil,
-	},
-}
-
-func TestCandidateNodeGetValueRepScenarios(t *testing.T) {
-	for _, tt := range valueRepScenarios {
-		node := CandidateNode{Value: tt.input, Tag: tt.tag}
-		actual, err := node.GetValueRep()
-		if err != nil {
-			t.Error(err)
-			return
-		}
-		test.AssertResult(t, tt.expected, actual)
-	}
-}
-
-func TestCandidateNodeChildWhenParentUpdated(t *testing.T) {
-	parent := CandidateNode{}
-	child := parent.CreateChild()
-	parent.SetDocument(1)
-	parent.SetFileIndex(2)
-	parent.SetFilename("meow")
-	test.AssertResultWithContext(t, "meow", child.GetFilename(), "filename")
-	test.AssertResultWithContext(t, 2, child.GetFileIndex(), "file index")
-	test.AssertResultWithContext(t, uint(1), child.GetDocument(), "document index")
-}
-
-type createScalarNodeScenario struct {
-	value       interface{}
-	stringValue string
-	expectedTag string
-}
-
-var createScalarScenarios = []createScalarNodeScenario{
-	{
-		value:       "mike",
-		stringValue: "mike",
-		expectedTag: "!!str",
-	},
-	{
-		value:       3,
-		stringValue: "3",
-		expectedTag: "!!int",
-	},
-	{
-		value:       3.1,
-		stringValue: "3.1",
-		expectedTag: "!!float",
-	},
-	{
-		value:       true,
-		stringValue: "true",
-		expectedTag: "!!bool",
-	},
-	{
-		value:       nil,
-		stringValue: "~",
-		expectedTag: "!!null",
-	},
-}
-
-func TestCreateScalarNodeScenarios(t *testing.T) {
-	for _, tt := range createScalarScenarios {
-		actual := createScalarNode(tt.value, tt.stringValue)
-		test.AssertResultWithContext(t, tt.stringValue, actual.Value, fmt.Sprintf("Value for: Value: [%v], String: %v", tt.value, tt.stringValue))
-		test.AssertResultWithContext(t, tt.expectedTag, actual.Tag, fmt.Sprintf("Value for: Value: [%v], String: %v", tt.value, tt.stringValue))
-	}
-}
-
-func TestGetKeyForMapValue(t *testing.T) {
-	key := createStringScalarNode("yourKey")
-	n := CandidateNode{Key: key, Value: "meow", document: 3}
-	test.AssertResult(t, "3 - yourKey", n.GetKey())
-}
-
-func TestGetKeyForMapKey(t *testing.T) {
-	key := createStringScalarNode("yourKey")
-	key.IsMapKey = true
-	key.document = 3
-	test.AssertResult(t, "key-yourKey-3 - ", key.GetKey())
-}
-
-func TestGetKeyForValue(t *testing.T) {
-	n := CandidateNode{Value: "meow", document: 3}
-	test.AssertResult(t, "3 - ", n.GetKey())
-}
-
-func TestGetParsedKeyForMapKey(t *testing.T) {
-	key := createStringScalarNode("yourKey")
-	key.IsMapKey = true
-	key.document = 3
-	test.AssertResult(t, "yourKey", key.getParsedKey())
-}
-
-func TestGetParsedKeyForLooseValue(t *testing.T) {
-	n := CandidateNode{Value: "meow", document: 3}
-	test.AssertResult(t, nil, n.getParsedKey())
-}
-
-func TestGetParsedKeyForMapValue(t *testing.T) {
-	key := createStringScalarNode("yourKey")
-	n := CandidateNode{Key: key, Value: "meow", document: 3}
-	test.AssertResult(t, "yourKey", n.getParsedKey())
-}
-
-func TestGetParsedKeyForArrayValue(t *testing.T) {
-	key := createScalarNode(4, "4")
-	n := CandidateNode{Key: key, Value: "meow", document: 3}
-	test.AssertResult(t, 4, n.getParsedKey())
-}

pkg/yqlib/candidate_node_yaml.go

@@ -1,218 +0,0 @@
-package yqlib
-
-import (
-	"fmt"
-
-	yaml "gopkg.in/yaml.v3"
-)
-
-func MapYamlStyle(original yaml.Style) Style {
-	switch original {
-	case yaml.TaggedStyle:
-		return TaggedStyle
-	case yaml.DoubleQuotedStyle:
-		return DoubleQuotedStyle
-	case yaml.SingleQuotedStyle:
-		return SingleQuotedStyle
-	case yaml.LiteralStyle:
-		return LiteralStyle
-	case yaml.FoldedStyle:
-		return FoldedStyle
-	case yaml.FlowStyle:
-		return FlowStyle
-	case 0:
-		return 0
-	}
-	return Style(original)
-}
-
-func MapToYamlStyle(original Style) yaml.Style {
-	switch original {
-	case TaggedStyle:
-		return yaml.TaggedStyle
-	case DoubleQuotedStyle:
-		return yaml.DoubleQuotedStyle
-	case SingleQuotedStyle:
-		return yaml.SingleQuotedStyle
-	case LiteralStyle:
-		return yaml.LiteralStyle
-	case FoldedStyle:
-		return yaml.FoldedStyle
-	case FlowStyle:
-		return yaml.FlowStyle
-	case 0:
-		return 0
-	}
-	return yaml.Style(original)
-}
-
-func (o *CandidateNode) copyFromYamlNode(node *yaml.Node, anchorMap map[string]*CandidateNode) {
-	o.Style = MapYamlStyle(node.Style)
-
-	o.Tag = node.Tag
-	o.Value = node.Value
-	o.Anchor = node.Anchor
-
-	if o.Anchor != "" {
-		anchorMap[o.Anchor] = o
-		log.Debug("set anchor %v to %v", o.Anchor, NodeToString(o))
-	}
-
-	// its a single alias
-	if node.Alias != nil && node.Alias.Anchor != "" {
-		o.Alias = anchorMap[node.Alias.Anchor]
-		log.Debug("set alias to %v", NodeToString(anchorMap[node.Alias.Anchor]))
-	}
-	o.HeadComment = node.HeadComment
-	o.LineComment = node.LineComment
-	o.FootComment = node.FootComment
-
-	o.Line = node.Line
-	o.Column = node.Column
-}
-
-func (o *CandidateNode) copyToYamlNode(node *yaml.Node) {
-	node.Style = MapToYamlStyle(o.Style)
-
-	node.Tag = o.Tag
-	node.Value = o.Value
-	node.Anchor = o.Anchor
-
-	// node.Alias = TODO - find Alias in our own structure
-	// might need to be a post process thing
-
-	node.HeadComment = o.HeadComment
-
-	node.LineComment = o.LineComment
-	node.FootComment = o.FootComment
-
-	node.Line = o.Line
-	node.Column = o.Column
-}
-
-func (o *CandidateNode) decodeIntoChild(childNode *yaml.Node, anchorMap map[string]*CandidateNode) (*CandidateNode, error) {
-	newChild := o.CreateChild()
-
-	// null yaml.Nodes to not end up calling UnmarshalYAML
-	// so we call it explicitly
-	if childNode.Tag == "!!null" {
-		newChild.Kind = ScalarNode
-		newChild.copyFromYamlNode(childNode, anchorMap)
-		return newChild, nil
-	}
-
-	err := newChild.UnmarshalYAML(childNode, anchorMap)
-	return newChild, err
-}
-
-func (o *CandidateNode) UnmarshalYAML(node *yaml.Node, anchorMap map[string]*CandidateNode) error {
-	log.Debugf("UnmarshalYAML %v", node.Tag)
-	switch node.Kind {
-	case yaml.AliasNode:
-		log.Debug("UnmarshalYAML - alias from yaml: %v", o.Tag)
-		o.Kind = AliasNode
-		o.copyFromYamlNode(node, anchorMap)
-		return nil
-	case yaml.ScalarNode:
-		log.Debugf("UnmarshalYAML -  a scalar")
-		o.Kind = ScalarNode
-		o.copyFromYamlNode(node, anchorMap)
-		return nil
-	case yaml.MappingNode:
-		log.Debugf("UnmarshalYAML -  a mapping node")
-		o.Kind = MappingNode
-		o.copyFromYamlNode(node, anchorMap)
-		o.Content = make([]*CandidateNode, len(node.Content))
-		for i := 0; i < len(node.Content); i += 2 {
-
-			keyNode, err := o.decodeIntoChild(node.Content[i], anchorMap)
-			if err != nil {
-				return err
-			}
-
-			keyNode.IsMapKey = true
-
-			valueNode, err := o.decodeIntoChild(node.Content[i+1], anchorMap)
-			if err != nil {
-				return err
-			}
-
-			valueNode.Key = keyNode
-
-			o.Content[i] = keyNode
-			o.Content[i+1] = valueNode
-		}
-		log.Debugf("UnmarshalYAML -  finished mapping node")
-		return nil
-	case yaml.SequenceNode:
-		log.Debugf("UnmarshalYAML -  a sequence: %v", len(node.Content))
-		o.Kind = SequenceNode
-
-		o.copyFromYamlNode(node, anchorMap)
-		log.Debugf("node Style: %v", node.Style)
-		log.Debugf("o Style: %v", o.Style)
-		o.Content = make([]*CandidateNode, len(node.Content))
-		for i := 0; i < len(node.Content); i++ {
-			keyNode := o.CreateChild()
-			keyNode.IsMapKey = true
-			keyNode.Tag = "!!int"
-			keyNode.Kind = ScalarNode
-			keyNode.Value = fmt.Sprintf("%v", i)
-
-			valueNode, err := o.decodeIntoChild(node.Content[i], anchorMap)
-			if err != nil {
-				return err
-			}
-
-			valueNode.Key = keyNode
-			o.Content[i] = valueNode
-		}
-		return nil
-	case 0:
-		// not sure when this happens
-		o.copyFromYamlNode(node, anchorMap)
-		log.Debugf("UnmarshalYAML -  err.. %v", NodeToString(o))
-		return nil
-	default:
-		return fmt.Errorf("orderedMap: invalid yaml node")
-	}
-}
-
-func (o *CandidateNode) MarshalYAML() (*yaml.Node, error) {
-	log.Debug("MarshalYAML to yaml: %v", o.Tag)
-	switch o.Kind {
-	case AliasNode:
-		log.Debug("MarshalYAML - alias to yaml: %v", o.Tag)
-		target := &yaml.Node{Kind: yaml.AliasNode}
-		o.copyToYamlNode(target)
-		return target, nil
-	case ScalarNode:
-		log.Debug("MarshalYAML - scalar: %v", o.Value)
-		target := &yaml.Node{Kind: yaml.ScalarNode}
-		o.copyToYamlNode(target)
-		return target, nil
-	case MappingNode, SequenceNode:
-		targetKind := yaml.MappingNode
-		if o.Kind == SequenceNode {
-			targetKind = yaml.SequenceNode
-		}
-		target := &yaml.Node{Kind: targetKind}
-		o.copyToYamlNode(target)
-		log.Debugf("original style: %v", o.Style)
-		log.Debugf("original: %v, tag: %v, style: %v, kind: %v", NodeToString(o), target.Tag, target.Style, target.Kind == yaml.SequenceNode)
-		target.Content = make([]*yaml.Node, len(o.Content))
-		for i := 0; i < len(o.Content); i++ {
-
-			child, err := o.Content[i].MarshalYAML()
-
-			if err != nil {
-				return nil, err
-			}
-			target.Content[i] = child
-		}
-		return target, nil
-	}
-	target := &yaml.Node{}
-	o.copyToYamlNode(target)
-	return target, nil
-}

pkg/yqlib/candidiate_node_json.go

@@ -1,172 +0,0 @@
-package yqlib
-
-import (
-	"bytes"
-	"errors"
-	"fmt"
-	"io"
-
-	"github.com/goccy/go-json"
-)
-
-func (o *CandidateNode) setScalarFromJson(value interface{}) error {
-	o.Kind = ScalarNode
-	switch rawData := value.(type) {
-	case nil:
-		o.Tag = "!!null"
-		o.Value = "null"
-	case float64, float32:
-		o.Value = fmt.Sprintf("%v", value)
-		o.Tag = "!!float"
-		// json decoder returns ints as float.
-		if value == float64(int64(rawData.(float64))) {
-			// aha it's an int disguised as a float
-			o.Tag = "!!int"
-			o.Value = fmt.Sprintf("%v", int64(value.(float64)))
-		}
-	case int, int64, int32:
-		o.Value = fmt.Sprintf("%v", value)
-		o.Tag = "!!int"
-	case bool:
-		o.Value = fmt.Sprintf("%v", value)
-		o.Tag = "!!bool"
-	case string:
-		o.Value = rawData
-		o.Tag = "!!str"
-	default:
-		return fmt.Errorf("unrecognised type :( %v", rawData)
-	}
-	return nil
-}
-
-func (o *CandidateNode) UnmarshalJSON(data []byte) error {
-	log.Debug("UnmarshalJSON")
-	switch data[0] {
-	case '{':
-		log.Debug("UnmarshalJSON -  its a map!")
-		// its a map
-		o.Kind = MappingNode
-		o.Tag = "!!map"
-
-		dec := json.NewDecoder(bytes.NewReader(data))
-		_, err := dec.Token() // open object
-		if err != nil {
-			return err
-		}
-
-		// cycle through k/v
-		var tok json.Token
-		for tok, err = dec.Token(); err == nil; tok, err = dec.Token() {
-			// we can expect two types: string or Delim. Delim automatically means
-			// that it is the closing bracket of the object, whereas string means
-			// that there is another key.
-			if _, ok := tok.(json.Delim); ok {
-				break
-			}
-
-			childKey := o.CreateChild()
-			childKey.IsMapKey = true
-			childKey.Value = tok.(string)
-			childKey.Kind = ScalarNode
-			childKey.Tag = "!!str"
-
-			childValue := o.CreateChild()
-			childValue.Key = childKey
-
-			if err := dec.Decode(childValue); err != nil {
-				return err
-			}
-			o.Content = append(o.Content, childKey, childValue)
-		}
-		// unexpected error
-		if err != nil && !errors.Is(err, io.EOF) {
-			return err
-		}
-		return nil
-	case '[':
-		o.Kind = SequenceNode
-		o.Tag = "!!seq"
-		log.Debug("UnmarshalJSON -  its an array!")
-		var children []*CandidateNode
-		if err := json.Unmarshal(data, &children); err != nil {
-			return err
-		}
-		// now we put the children into the content, and set a key value for them
-		for i, child := range children {
-
-			if child == nil {
-				// need to represent it as a null scalar
-				child = createScalarNode(nil, "null")
-			}
-			childKey := o.CreateChild()
-			childKey.Kind = ScalarNode
-			childKey.Tag = "!!int"
-			childKey.Value = fmt.Sprintf("%v", i)
-			childKey.IsMapKey = true
-
-			child.Parent = o
-			child.Key = childKey
-			o.Content = append(o.Content, child)
-		}
-		return nil
-	}
-	log.Debug("UnmarshalJSON -  its a scalar!")
-	// otherwise, must be a scalar
-	var scalar interface{}
-	err := json.Unmarshal(data, &scalar)
-
-	if err != nil {
-		return err
-	}
-	log.Debug("UnmarshalJSON -  scalar is %v", scalar)
-
-	return o.setScalarFromJson(scalar)
-
-}
-
-func (o *CandidateNode) MarshalJSON() ([]byte, error) {
-	log.Debugf("MarshalJSON %v", NodeToString(o))
-	buf := new(bytes.Buffer)
-	enc := json.NewEncoder(buf)
-	enc.SetIndent("", " ")
-	enc.SetEscapeHTML(false) // do not escape html chars e.g. &, <, >
-
-	switch o.Kind {
-	case AliasNode:
-		log.Debugf("MarshalJSON AliasNode")
-		err := enc.Encode(o.Alias)
-		return buf.Bytes(), err
-	case ScalarNode:
-		log.Debugf("MarshalJSON ScalarNode")
-		value, err := o.GetValueRep()
-		if err != nil {
-			return buf.Bytes(), err
-		}
-		err = enc.Encode(value)
-		return buf.Bytes(), err
-	case MappingNode:
-		log.Debugf("MarshalJSON MappingNode")
-		buf.WriteByte('{')
-		for i := 0; i < len(o.Content); i += 2 {
-			if err := enc.Encode(o.Content[i].Value); err != nil {
-				return nil, err
-			}
-			buf.WriteByte(':')
-			if err := enc.Encode(o.Content[i+1]); err != nil {
-				return nil, err
-			}
-			if i != len(o.Content)-2 {
-				buf.WriteByte(',')
-			}
-		}
-		buf.WriteByte('}')
-		return buf.Bytes(), nil
-	case SequenceNode:
-		log.Debugf("MarshalJSON SequenceNode")
-		err := enc.Encode(o.Content)
-		return buf.Bytes(), err
-	default:
-		err := enc.Encode(nil)
-		return buf.Bytes(), err
-	}
-}

pkg/yqlib/chown_linux.go

@@ -1,25 +0,0 @@
-//go:build linux
-
-package yqlib
-
-import (
-	"io/fs"
-	"os"
-	"syscall"
-)
-
-func changeOwner(info fs.FileInfo, file *os.File) error {
-	if stat, ok := info.Sys().(*syscall.Stat_t); ok {
-		uid := int(stat.Uid)
-		gid := int(stat.Gid)
-
-		err := os.Chown(file.Name(), uid, gid)
-		if err != nil {
-			// this happens with snap confinement
-			// not really a big issue as users can chown
-			// the file themselves if required.
-			log.Info("Skipping chown: %v", err)
-		}
-	}
-	return nil
-}

pkg/yqlib/chown_not_linux_os.go

@@ -1,12 +0,0 @@
-//go:build !linux
-
-package yqlib
-
-import (
-	"io/fs"
-	"os"
-)
-
-func changeOwner(info fs.FileInfo, file *os.File) error {
-	return nil
-}

pkg/yqlib/context.go

@@ -2,17 +2,14 @@ package yqlib
 
 import (
 	"container/list"
-	"fmt"
-	"time"
 
-	logging "gopkg.in/op/go-logging.v1"
+	"github.com/jinzhu/copier"
 )
 
 type Context struct {
 	MatchingNodes  *list.List
 	Variables      map[string]*list.List
 	DontAutoCreate bool
-	datetimeLayout string
 }
 
 func (n *Context) SingleReadonlyChildContext(candidate *CandidateNode) Context {
@@ -29,17 +26,6 @@ func (n *Context) SingleChildContext(candidate *CandidateNode) Context {
 	return n.ChildContext(list)
 }
 
-func (n *Context) SetDateTimeLayout(newDateTimeLayout string) {
-	n.datetimeLayout = newDateTimeLayout
-}
-
-func (n *Context) GetDateTimeLayout() string {
-	if n.datetimeLayout != "" {
-		return n.datetimeLayout
-	}
-	return time.RFC3339
-}
-
 func (n *Context) GetVariable(name string) *list.List {
 	if n.Variables == nil {
 		return nil
@@ -55,46 +41,24 @@ func (n *Context) SetVariable(name string, value *list.List) {
 }
 
 func (n *Context) ChildContext(results *list.List) Context {
-	clone := Context{DontAutoCreate: n.DontAutoCreate, datetimeLayout: n.datetimeLayout}
-	clone.Variables = make(map[string]*list.List)
-	for variableKey, originalValueList := range n.Variables {
-
-		variableCopyList := list.New()
-		for el := originalValueList.Front(); el != nil; el = el.Next() {
-			// note that we dont make a copy of the candidate node
-			// this is so the 'ref' operator can work correctly.
-			clonedNode := el.Value.(*CandidateNode)
-			variableCopyList.PushBack(clonedNode)
-		}
-
-		clone.Variables[variableKey] = variableCopyList
+	clone := Context{}
+	err := copier.Copy(&clone, n)
+	if err != nil {
+		log.Error("Error cloning context :(")
+		panic(err)
 	}
-
 	clone.MatchingNodes = results
 	return clone
 }
 
-func (n *Context) ToString() string {
-	if !log.IsEnabledFor(logging.DEBUG) {
-		return ""
-	}
-	result := fmt.Sprintf("Context\nDontAutoCreate: %v\n", n.DontAutoCreate)
-	return result + NodesToString(n.MatchingNodes)
-}
-
-func (n *Context) DeepClone() Context {
-
-	clonedContent := list.New()
-	for el := n.MatchingNodes.Front(); el != nil; el = el.Next() {
-		clonedNode := el.Value.(*CandidateNode).Copy()
-		clonedContent.PushBack(clonedNode)
-	}
-
-	return n.ChildContext(clonedContent)
-}
-
 func (n *Context) Clone() Context {
-	return n.ChildContext(n.MatchingNodes)
+	clone := Context{}
+	err := copier.Copy(&clone, n)
+	if err != nil {
+		log.Error("Error cloning context :(")
+		panic(err)
+	}
+	return clone
 }
 
 func (n *Context) ReadOnlyClone() Context {
@@ -102,9 +66,3 @@ func (n *Context) ReadOnlyClone() Context {
 	clone.DontAutoCreate = true
 	return clone
 }
-
-func (n *Context) WritableClone() Context {
-	clone := n.Clone()
-	clone.DontAutoCreate = false
-	return clone
-}

pkg/yqlib/context_test.go

@@ -1,51 +0,0 @@
-package yqlib
-
-import (
-	"container/list"
-	"testing"
-
-	"github.com/mikefarah/yq/v4/test"
-)
-
-func TestChildContext(t *testing.T) {
-
-	expectedOriginal := make(map[string]*list.List)
-	expectedOriginal["dog"] = list.New()
-	expectedOriginal["dog"].PushBack(&CandidateNode{Value: "woof"})
-
-	originalVariables := make(map[string]*list.List)
-	originalVariables["dog"] = list.New()
-	originalVariables["dog"].PushBack(&CandidateNode{Value: "woof"})
-
-	original := Context{
-		DontAutoCreate: true,
-		datetimeLayout: "cat",
-		Variables:      originalVariables,
-	}
-
-	newResults := list.New()
-	newResults.PushBack(&CandidateNode{Value: "bar"})
-
-	clone := original.ChildContext(newResults)
-	test.AssertResultComplex(t, originalVariables, clone.Variables)
-
-	clone.Variables["dog"].PushBack("bark")
-	// ensure this is a separate copy
-	test.AssertResultComplex(t, 1, originalVariables["dog"].Len())
-
-}
-
-func TestChildContextNoVariables(t *testing.T) {
-
-	original := Context{
-		DontAutoCreate: true,
-		datetimeLayout: "cat",
-	}
-
-	newResults := list.New()
-	newResults.PushBack(&CandidateNode{Value: "bar"})
-
-	clone := original.ChildContext(newResults)
-	test.AssertResultComplex(t, make(map[string]*list.List), clone.Variables)
-
-}

pkg/yqlib/csv_test.go

@@ -1,306 +0,0 @@
-package yqlib
-
-import (
-	"bufio"
-	"fmt"
-	"testing"
-
-	"github.com/mikefarah/yq/v4/test"
-)
-
-const csvSimple = `name,numberOfCats,likesApples,height
-Gary,1,true,168.8
-Samantha's Rabbit,2,false,-188.8
-`
-const csvMissing = `name,numberOfCats,likesApples,height
-,null,,168.8
-`
-const expectedUpdatedSimpleCsv = `name,numberOfCats,likesApples,height
-Gary,3,true,168.8
-Samantha's Rabbit,2,false,-188.8
-`
-
-const csvSimpleShort = `Name,Number of Cats
-Gary,1
-Samantha's Rabbit,2
-`
-
-const tsvSimple = `name	numberOfCats	likesApples	height
-Gary	1	true	168.8
-Samantha's Rabbit	2	false	-188.8
-`
-
-const expectedYamlFromCSV = `- name: Gary
-  numberOfCats: 1
-  likesApples: true
-  height: 168.8
-- name: Samantha's Rabbit
-  numberOfCats: 2
-  likesApples: false
-  height: -188.8
-`
-
-const expectedYamlFromCSVMissingData = `- name: Gary
-  numberOfCats: 1
-  height: 168.8
-- name: Samantha's Rabbit
-  height: -188.8
-  likesApples: false
-`
-
-const csvSimpleMissingData = `name,numberOfCats,height
-Gary,1,168.8
-Samantha's Rabbit,,-188.8
-`
-
-const csvTestSimpleYaml = `- [i, like, csv]
-- [because, excel, is, cool]`
-
-const expectedSimpleCsv = `i,like,csv
-because,excel,is,cool
-`
-
-const tsvTestExpectedSimpleCsv = `i	like	csv
-because	excel	is	cool
-`
-
-var csvScenarios = []formatScenario{
-	{
-		description:  "Encode CSV simple",
-		input:        csvTestSimpleYaml,
-		expected:     expectedSimpleCsv,
-		scenarioType: "encode-csv",
-	},
-	{
-		description:  "Encode TSV simple",
-		input:        csvTestSimpleYaml,
-		expected:     tsvTestExpectedSimpleCsv,
-		scenarioType: "encode-tsv",
-	},
-	{
-		description:  "Encode Empty",
-		skipDoc:      true,
-		input:        `[]`,
-		expected:     "",
-		scenarioType: "encode-csv",
-	},
-	{
-		description:  "Comma in value",
-		skipDoc:      true,
-		input:        `["comma, in, value", things]`,
-		expected:     "\"comma, in, value\",things\n",
-		scenarioType: "encode-csv",
-	},
-	{
-		description:  "Encode array of objects to csv",
-		input:        expectedYamlFromCSV,
-		expected:     csvSimple,
-		scenarioType: "encode-csv",
-	},
-	{
-		description:    "Encode array of objects to custom csv format",
-		subdescription: "Add the header row manually, then the we convert each object into an array of values - resulting in an array of arrays. Pick the columns and call the header whatever you like.",
-		input:          expectedYamlFromCSV,
-		expected:       csvSimpleShort,
-		expression:     `[["Name", "Number of Cats"]] +  [.[] | [.name, .numberOfCats ]]`,
-		scenarioType:   "encode-csv",
-	},
-	{
-		description:    "Encode array of objects to csv - missing fields behaviour",
-		subdescription: "First entry is used to determine the headers, and it is missing 'likesApples', so it is not included in the csv. Second entry does not have 'numberOfCats' so that is blank",
-		input:          expectedYamlFromCSVMissingData,
-		expected:       csvSimpleMissingData,
-		scenarioType:   "encode-csv",
-	},
-	{
-		description:  "decode csv missing",
-		skipDoc:      true,
-		input:        csvMissing,
-		expected:     csvMissing,
-		scenarioType: "roundtrip-csv",
-	},
-	{
-		description:  "decode csv key",
-		skipDoc:      true,
-		input:        csvSimple,
-		expression:   ".[0].name | key",
-		expected:     "name\n",
-		scenarioType: "decode-csv-object",
-	},
-	{
-		description:  "decode csv parent",
-		skipDoc:      true,
-		input:        csvSimple,
-		expression:   ".[0].name | parent | .height",
-		expected:     "168.8\n",
-		scenarioType: "decode-csv-object",
-	},
-	{
-		description:    "Parse CSV into an array of objects",
-		subdescription: "First row is assumed to be the header row.",
-		input:          csvSimple,
-		expected:       expectedYamlFromCSV,
-		scenarioType:   "decode-csv-object",
-	},
-	{
-		description:  "Scalar roundtrip",
-		skipDoc:      true,
-		input:        "mike\ncat",
-		expression:   ".[0].mike",
-		expected:     "cat\n",
-		scenarioType: "roundtrip-csv",
-	},
-	{
-		description:    "Parse TSV into an array of objects",
-		subdescription: "First row is assumed to be the header row.",
-		input:          tsvSimple,
-		expected:       expectedYamlFromCSV,
-		scenarioType:   "decode-tsv-object",
-	},
-	{
-		description:  "Round trip",
-		input:        csvSimple,
-		expected:     expectedUpdatedSimpleCsv,
-		expression:   `(.[] | select(.name == "Gary") | .numberOfCats) = 3`,
-		scenarioType: "roundtrip-csv",
-	},
-}
-
-func testCSVScenario(t *testing.T, s formatScenario) {
-	switch s.scenarioType {
-	case "encode-csv":
-		test.AssertResultWithContext(t, s.expected, mustProcessFormatScenario(s, NewYamlDecoder(ConfiguredYamlPreferences), NewCsvEncoder(',')), s.description)
-	case "encode-tsv":
-		test.AssertResultWithContext(t, s.expected, mustProcessFormatScenario(s, NewYamlDecoder(ConfiguredYamlPreferences), NewCsvEncoder('\t')), s.description)
-	case "decode-csv-object":
-		test.AssertResultWithContext(t, s.expected, mustProcessFormatScenario(s, NewCSVObjectDecoder(','), NewYamlEncoder(2, false, ConfiguredYamlPreferences)), s.description)
-	case "decode-tsv-object":
-		test.AssertResultWithContext(t, s.expected, mustProcessFormatScenario(s, NewCSVObjectDecoder('\t'), NewYamlEncoder(2, false, ConfiguredYamlPreferences)), s.description)
-	case "roundtrip-csv":
-		test.AssertResultWithContext(t, s.expected, mustProcessFormatScenario(s, NewCSVObjectDecoder(','), NewCsvEncoder(',')), s.description)
-	default:
-		panic(fmt.Sprintf("unhandled scenario type %q", s.scenarioType))
-	}
-}
-
-func documentCSVDecodeObjectScenario(w *bufio.Writer, s formatScenario, formatType string) {
-	writeOrPanic(w, fmt.Sprintf("## %v\n", s.description))
-
-	if s.subdescription != "" {
-		writeOrPanic(w, s.subdescription)
-		writeOrPanic(w, "\n\n")
-	}
-
-	writeOrPanic(w, fmt.Sprintf("Given a sample.%v file of:\n", formatType))
-	writeOrPanic(w, fmt.Sprintf("```%v\n%v\n```\n", formatType, s.input))
-
-	writeOrPanic(w, "then\n")
-	writeOrPanic(w, fmt.Sprintf("```bash\nyq -p=%v sample.%v\n```\n", formatType, formatType))
-	writeOrPanic(w, "will output\n")
-
-	separator := ','
-	if formatType == "tsv" {
-		separator = '\t'
-	}
-
-	writeOrPanic(w, fmt.Sprintf("```yaml\n%v```\n\n",
-		mustProcessFormatScenario(s, NewCSVObjectDecoder(separator), NewYamlEncoder(s.indent, false, ConfiguredYamlPreferences))),
-	)
-}
-
-func documentCSVEncodeScenario(w *bufio.Writer, s formatScenario, formatType string) {
-	writeOrPanic(w, fmt.Sprintf("## %v\n", s.description))
-
-	if s.subdescription != "" {
-		writeOrPanic(w, s.subdescription)
-		writeOrPanic(w, "\n\n")
-	}
-
-	writeOrPanic(w, "Given a sample.yml file of:\n")
-	writeOrPanic(w, fmt.Sprintf("```yaml\n%v\n```\n", s.input))
-
-	writeOrPanic(w, "then\n")
-
-	expression := s.expression
-
-	if expression != "" {
-		writeOrPanic(w, fmt.Sprintf("```bash\nyq -o=%v '%v' sample.yml\n```\n", formatType, expression))
-	} else {
-		writeOrPanic(w, fmt.Sprintf("```bash\nyq -o=%v sample.yml\n```\n", formatType))
-	}
-	writeOrPanic(w, "will output\n")
-
-	separator := ','
-	if formatType == "tsv" {
-		separator = '\t'
-	}
-
-	writeOrPanic(w, fmt.Sprintf("```%v\n%v```\n\n", formatType,
-		mustProcessFormatScenario(s, NewYamlDecoder(ConfiguredYamlPreferences), NewCsvEncoder(separator))),
-	)
-}
-
-func documentCSVRoundTripScenario(w *bufio.Writer, s formatScenario, formatType string) {
-	writeOrPanic(w, fmt.Sprintf("## %v\n", s.description))
-
-	if s.subdescription != "" {
-		writeOrPanic(w, s.subdescription)
-		writeOrPanic(w, "\n\n")
-	}
-
-	writeOrPanic(w, fmt.Sprintf("Given a sample.%v file of:\n", formatType))
-	writeOrPanic(w, fmt.Sprintf("```%v\n%v\n```\n", formatType, s.input))
-
-	writeOrPanic(w, "then\n")
-
-	expression := s.expression
-
-	if expression != "" {
-		writeOrPanic(w, fmt.Sprintf("```bash\nyq -p=%v -o=%v '%v' sample.%v\n```\n", formatType, formatType, expression, formatType))
-	} else {
-		writeOrPanic(w, fmt.Sprintf("```bash\nyq -p=%v -o=%v sample.%v\n```\n", formatType, formatType, formatType))
-	}
-	writeOrPanic(w, "will output\n")
-
-	separator := ','
-	if formatType == "tsv" {
-		separator = '\t'
-	}
-
-	writeOrPanic(w, fmt.Sprintf("```%v\n%v```\n\n", formatType,
-		mustProcessFormatScenario(s, NewCSVObjectDecoder(separator), NewCsvEncoder(separator))),
-	)
-}
-
-func documentCSVScenario(t *testing.T, w *bufio.Writer, i interface{}) {
-	s := i.(formatScenario)
-	if s.skipDoc {
-		return
-	}
-	switch s.scenarioType {
-	case "encode-csv":
-		documentCSVEncodeScenario(w, s, "csv")
-	case "encode-tsv":
-		documentCSVEncodeScenario(w, s, "tsv")
-	case "decode-csv-object":
-		documentCSVDecodeObjectScenario(w, s, "csv")
-	case "decode-tsv-object":
-		documentCSVDecodeObjectScenario(w, s, "tsv")
-	case "roundtrip-csv":
-		documentCSVRoundTripScenario(w, s, "csv")
-
-	default:
-		panic(fmt.Sprintf("unhandled scenario type %q", s.scenarioType))
-	}
-}
-
-func TestCSVScenarios(t *testing.T) {
-	for _, tt := range csvScenarios {
-		testCSVScenario(t, tt)
-	}
-	genericScenarios := make([]interface{}, len(csvScenarios))
-	for i, s := range csvScenarios {
-		genericScenarios[i] = s
-	}
-	documentScenarios(t, "usage", "csv-tsv", genericScenarios, documentCSVScenario)
-}

pkg/yqlib/data_tree_navigator.go

@@ -6,39 +6,21 @@ import (
 	logging "gopkg.in/op/go-logging.v1"
 )
 
-type DataTreeNavigator interface {
+type dataTreeNavigator interface {
 	// given the context and a expressionNode,
 	// this will process the against the given expressionNode and return
 	// a new context of matching candidates
 	GetMatchingNodes(context Context, expressionNode *ExpressionNode) (Context, error)
-
-	DeeplyAssign(context Context, path []interface{}, rhsNode *CandidateNode) error
 }
 
-type dataTreeNavigator struct {
+type dataTreeNavigatorImpl struct {
 }
 
-func NewDataTreeNavigator() DataTreeNavigator {
-	return &dataTreeNavigator{}
+func newDataTreeNavigator() dataTreeNavigator {
+	return &dataTreeNavigatorImpl{}
 }
 
-func (d *dataTreeNavigator) DeeplyAssign(context Context, path []interface{}, rhsCandidateNode *CandidateNode) error {
-
-	assignmentOp := &Operation{OperationType: assignOpType, Preferences: assignPreferences{}}
-
-	rhsOp := &Operation{OperationType: valueOpType, CandidateNode: rhsCandidateNode}
-
-	assignmentOpNode := &ExpressionNode{
-		Operation: assignmentOp,
-		LHS:       createTraversalTree(path, traversePreferences{}, false),
-		RHS:       &ExpressionNode{Operation: rhsOp},
-	}
-
-	_, err := d.GetMatchingNodes(context, assignmentOpNode)
-	return err
-}
-
-func (d *dataTreeNavigator) GetMatchingNodes(context Context, expressionNode *ExpressionNode) (Context, error) {
+func (d *dataTreeNavigatorImpl) GetMatchingNodes(context Context, expressionNode *ExpressionNode) (Context, error) {
 	if expressionNode == nil {
 		log.Debugf("getMatchingNodes - nothing to do")
 		return context, nil
@@ -49,6 +31,7 @@ func (d *dataTreeNavigator) GetMatchingNodes(context Context, expressionNode *Ex
 			log.Debug(NodeToString(el.Value.(*CandidateNode)))
 		}
 	}
+	log.Debug(">>")
 	handler := expressionNode.Operation.OperationType.Handler
 	if handler != nil {
 		return handler(d, context, expressionNode)

pkg/yqlib/decoder.go

@@ -1,66 +0,0 @@
-package yqlib
-
-import (
-	"fmt"
-	"io"
-	"strings"
-)
-
-type InputFormat uint
-
-const (
-	YamlInputFormat = 1 << iota
-	XMLInputFormat
-	PropertiesInputFormat
-	Base64InputFormat
-	JsonInputFormat
-	CSVObjectInputFormat
-	TSVObjectInputFormat
-	TomlInputFormat
-	UriInputFormat
-	LuaInputFormat
-)
-
-type Decoder interface {
-	Init(reader io.Reader) error
-	Decode() (*CandidateNode, error)
-}
-
-func InputFormatFromString(format string) (InputFormat, error) {
-	switch format {
-	case "yaml", "yml", "y":
-		return YamlInputFormat, nil
-	case "xml", "x":
-		return XMLInputFormat, nil
-	case "properties", "props", "p":
-		return PropertiesInputFormat, nil
-	case "json", "ndjson", "j":
-		return JsonInputFormat, nil
-	case "csv", "c":
-		return CSVObjectInputFormat, nil
-	case "tsv", "t":
-		return TSVObjectInputFormat, nil
-	case "toml":
-		return TomlInputFormat, nil
-	case "lua", "l":
-		return LuaInputFormat, nil
-	default:
-		return 0, fmt.Errorf("unknown format '%v' please use [yaml|json|props|csv|tsv|xml|toml]", format)
-	}
-}
-
-func FormatFromFilename(filename string) string {
-
-	if filename != "" {
-		GetLogger().Debugf("checking file extension '%s' for auto format detection", filename)
-		nPos := strings.LastIndex(filename, ".")
-		if nPos > -1 {
-			format := filename[nPos+1:]
-			GetLogger().Debugf("detected format '%s'", format)
-			return format
-		}
-	}
-
-	GetLogger().Debugf("using default inputFormat 'yaml'")
-	return "yaml"
-}

pkg/yqlib/decoder_base64.go

@@ -1,72 +0,0 @@
-package yqlib
-
-import (
-	"bytes"
-	"encoding/base64"
-	"io"
-	"strings"
-)
-
-type base64Padder struct {
-	count uint64
-	io.Reader
-}
-
-func (c *base64Padder) pad(buf []byte) (int, error) {
-	pad := strings.Repeat("=", int(4-c.count%4))
-	n, err := strings.NewReader(pad).Read(buf)
-	c.count += uint64(n)
-	return n, err
-}
-
-func (c *base64Padder) Read(buf []byte) (int, error) {
-	n, err := c.Reader.Read(buf)
-	c.count += uint64(n)
-
-	if err == io.EOF && c.count%4 != 0 {
-		return c.pad(buf)
-	}
-	return n, err
-}
-
-type base64Decoder struct {
-	reader       io.Reader
-	finished     bool
-	readAnything bool
-	encoding     base64.Encoding
-}
-
-func NewBase64Decoder() Decoder {
-	return &base64Decoder{finished: false, encoding: *base64.StdEncoding}
-}
-
-func (dec *base64Decoder) Init(reader io.Reader) error {
-	dec.reader = &base64Padder{Reader: reader}
-	dec.readAnything = false
-	dec.finished = false
-	return nil
-}
-
-func (dec *base64Decoder) Decode() (*CandidateNode, error) {
-	if dec.finished {
-		return nil, io.EOF
-	}
-	base64Reader := base64.NewDecoder(&dec.encoding, dec.reader)
-	buf := new(bytes.Buffer)
-
-	if _, err := buf.ReadFrom(base64Reader); err != nil {
-		return nil, err
-	}
-	if buf.Len() == 0 {
-		dec.finished = true
-
-		// if we've read _only_ an empty string, lets return that
-		// otherwise if we've already read some bytes, and now we get
-		// an empty string, then we are done.
-		if dec.readAnything {
-			return nil, io.EOF
-		}
-	}
-	dec.readAnything = true
-	return createStringScalarNode(buf.String()), nil
-}

pkg/yqlib/decoder_csv_object.go

@@ -1,72 +0,0 @@
-package yqlib
-
-import (
-	"encoding/csv"
-	"errors"
-	"io"
-
-	"github.com/dimchansky/utfbom"
-)
-
-type csvObjectDecoder struct {
-	separator rune
-	reader    csv.Reader
-	finished  bool
-}
-
-func NewCSVObjectDecoder(separator rune) Decoder {
-	return &csvObjectDecoder{separator: separator}
-}
-
-func (dec *csvObjectDecoder) Init(reader io.Reader) error {
-	cleanReader, enc := utfbom.Skip(reader)
-	log.Debugf("Detected encoding: %s\n", enc)
-	dec.reader = *csv.NewReader(cleanReader)
-	dec.reader.Comma = dec.separator
-	dec.finished = false
-	return nil
-}
-
-func (dec *csvObjectDecoder) convertToNode(content string) *CandidateNode {
-	node, err := parseSnippet(content)
-	if err != nil {
-		return createScalarNode(content, content)
-	}
-	return node
-}
-
-func (dec *csvObjectDecoder) createObject(headerRow []string, contentRow []string) *CandidateNode {
-	objectNode := &CandidateNode{Kind: MappingNode, Tag: "!!map"}
-
-	for i, header := range headerRow {
-		objectNode.AddKeyValueChild(createScalarNode(header, header), dec.convertToNode(contentRow[i]))
-	}
-	return objectNode
-}
-
-func (dec *csvObjectDecoder) Decode() (*CandidateNode, error) {
-	if dec.finished {
-		return nil, io.EOF
-	}
-	headerRow, err := dec.reader.Read()
-	log.Debugf(": headerRow%v", headerRow)
-	if err != nil {
-		return nil, err
-	}
-
-	rootArray := &CandidateNode{Kind: SequenceNode, Tag: "!!seq"}
-
-	contentRow, err := dec.reader.Read()
-
-	for err == nil && len(contentRow) > 0 {
-		log.Debugf("Adding contentRow: %v", contentRow)
-		rootArray.AddChild(dec.createObject(headerRow, contentRow))
-		contentRow, err = dec.reader.Read()
-		log.Debugf("Read next contentRow: %v, %v", contentRow, err)
-	}
-	if !errors.Is(err, io.EOF) {
-		return nil, err
-	}
-
-	return rootArray, nil
-}

pkg/yqlib/decoder_goccy_yaml.go

@@ -1,67 +0,0 @@
-//go:build !yq_noyaml
-
-package yqlib
-
-import (
-	"bytes"
-	"errors"
-	"io"
-	"regexp"
-
-	yaml "github.com/goccy/go-yaml"
-	"github.com/goccy/go-yaml/ast"
-)
-
-type goccyYamlDecoder struct {
-	decoder      yaml.Decoder
-	cm           yaml.CommentMap
-	bufferRead   bytes.Buffer
-	readAnything bool
-	anchorMap    map[string]*CandidateNode
-}
-
-func NewGoccyYAMLDecoder() Decoder {
-	return &goccyYamlDecoder{}
-}
-
-func (dec *goccyYamlDecoder) Init(reader io.Reader) error {
-	dec.cm = yaml.CommentMap{}
-	dec.readAnything = false
-	dec.anchorMap = make(map[string]*CandidateNode)
-	readerToUse := io.TeeReader(reader, &dec.bufferRead)
-	dec.decoder = *yaml.NewDecoder(readerToUse, yaml.CommentToMap(dec.cm), yaml.UseOrderedMap())
-	return nil
-}
-
-func (dec *goccyYamlDecoder) Decode() (*CandidateNode, error) {
-
-	var commentLineRegEx = regexp.MustCompile(`^\s*#`)
-
-	var ast ast.Node
-
-	err := dec.decoder.Decode(&ast)
-	if errors.Is(err, io.EOF) && !dec.readAnything {
-
-		content := dec.bufferRead.String()
-		// only null fix
-		if content == "null" || content == "~" {
-			dec.readAnything = true
-			return createScalarNode(nil, content), nil
-		} else if commentLineRegEx.MatchString(content) {
-			dec.readAnything = true
-			node := createScalarNode(nil, "")
-			node.LeadingContent = content
-			return node, nil
-		}
-		return nil, err
-	} else if err != nil {
-		return nil, err
-	}
-
-	candidateNode := &CandidateNode{}
-	if err := candidateNode.UnmarshalGoccyYAML(ast, dec.cm, dec.anchorMap); err != nil {
-		return nil, err
-	}
-
-	return candidateNode, nil
-}

pkg/yqlib/decoder_json.go

@@ -1,33 +0,0 @@
-//go:build !yq_nojson
-
-package yqlib
-
-import (
-	"io"
-
-	"github.com/goccy/go-json"
-)
-
-type jsonDecoder struct {
-	decoder json.Decoder
-}
-
-func NewJSONDecoder() Decoder {
-	return &jsonDecoder{}
-}
-
-func (dec *jsonDecoder) Init(reader io.Reader) error {
-	dec.decoder = *json.NewDecoder(reader)
-	return nil
-}
-
-func (dec *jsonDecoder) Decode() (*CandidateNode, error) {
-
-	var dataBucket CandidateNode
-	err := dec.decoder.Decode(&dataBucket)
-	if err != nil {
-		return nil, err
-	}
-
-	return &dataBucket, nil
-}

pkg/yqlib/decoder_lua.go

@@ -1,165 +0,0 @@
-//go:build !yq_nolua
-
-package yqlib
-
-import (
-	"fmt"
-	"io"
-	"math"
-
-	lua "github.com/yuin/gopher-lua"
-)
-
-type luaDecoder struct {
-	reader   io.Reader
-	finished bool
-	prefs    LuaPreferences
-}
-
-func NewLuaDecoder(prefs LuaPreferences) Decoder {
-	return &luaDecoder{
-		prefs: prefs,
-	}
-}
-
-func (dec *luaDecoder) Init(reader io.Reader) error {
-	dec.reader = reader
-	return nil
-}
-
-func (dec *luaDecoder) convertToYamlNode(ls *lua.LState, lv lua.LValue) *CandidateNode {
-	switch lv.Type() {
-	case lua.LTNil:
-		return &CandidateNode{
-			Kind:  ScalarNode,
-			Tag:   "!!null",
-			Value: "",
-		}
-	case lua.LTBool:
-		return &CandidateNode{
-			Kind:  ScalarNode,
-			Tag:   "!!bool",
-			Value: lv.String(),
-		}
-	case lua.LTNumber:
-		n := float64(lua.LVAsNumber(lv))
-		// various special case floats
-		if math.IsNaN(n) {
-			return &CandidateNode{
-				Kind:  ScalarNode,
-				Tag:   "!!float",
-				Value: ".nan",
-			}
-		}
-		if math.IsInf(n, 1) {
-			return &CandidateNode{
-				Kind:  ScalarNode,
-				Tag:   "!!float",
-				Value: ".inf",
-			}
-		}
-		if math.IsInf(n, -1) {
-			return &CandidateNode{
-				Kind:  ScalarNode,
-				Tag:   "!!float",
-				Value: "-.inf",
-			}
-		}
-
-		// does it look like an integer?
-		if n == float64(int(n)) {
-			return &CandidateNode{
-				Kind:  ScalarNode,
-				Tag:   "!!int",
-				Value: lv.String(),
-			}
-		}
-
-		return &CandidateNode{
-			Kind:  ScalarNode,
-			Tag:   "!!float",
-			Value: lv.String(),
-		}
-	case lua.LTString:
-		return &CandidateNode{
-			Kind:  ScalarNode,
-			Tag:   "!!str",
-			Value: lv.String(),
-		}
-	case lua.LTFunction:
-		return &CandidateNode{
-			Kind:  ScalarNode,
-			Tag:   "tag:lua.org,2006,function",
-			Value: lv.String(),
-		}
-	case lua.LTTable:
-		// Simultaneously create a sequence and a map, pick which one to return
-		// based on whether all keys were consecutive integers
-		i := 1
-		yaml_sequence := &CandidateNode{
-			Kind: SequenceNode,
-			Tag:  "!!seq",
-		}
-		yaml_map := &CandidateNode{
-			Kind: MappingNode,
-			Tag:  "!!map",
-		}
-		t := lv.(*lua.LTable)
-		k, v := ls.Next(t, lua.LNil)
-		for k != lua.LNil {
-			if ki, ok := k.(lua.LNumber); i != 0 && ok && math.Mod(float64(ki), 1) == 0 && int(ki) == i {
-				i++
-			} else {
-				i = 0
-			}
-			newKey := dec.convertToYamlNode(ls, k)
-
-			yv := dec.convertToYamlNode(ls, v)
-			yaml_map.AddKeyValueChild(newKey, yv)
-
-			if i != 0 {
-				yaml_sequence.AddChild(yv)
-			}
-			k, v = ls.Next(t, k)
-		}
-		if i != 0 {
-			return yaml_sequence
-		}
-		return yaml_map
-	default:
-		return &CandidateNode{
-			Kind:        ScalarNode,
-			LineComment: fmt.Sprintf("Unhandled Lua type: %s", lv.Type().String()),
-			Tag:         "!!null",
-			Value:       lv.String(),
-		}
-	}
-}
-
-func (dec *luaDecoder) decideTopLevelNode(ls *lua.LState) *CandidateNode {
-	if ls.GetTop() == 0 {
-		// no items were explicitly returned, encode the globals table instead
-		return dec.convertToYamlNode(ls, ls.Get(lua.GlobalsIndex))
-	}
-	return dec.convertToYamlNode(ls, ls.Get(1))
-}
-
-func (dec *luaDecoder) Decode() (*CandidateNode, error) {
-	if dec.finished {
-		return nil, io.EOF
-	}
-	ls := lua.NewState(lua.Options{SkipOpenLibs: true})
-	defer ls.Close()
-	fn, err := ls.Load(dec.reader, "@input")
-	if err != nil {
-		return nil, err
-	}
-	ls.Push(fn)
-	err = ls.PCall(0, lua.MultRet, nil)
-	if err != nil {
-		return nil, err
-	}
-	firstNode := dec.decideTopLevelNode(ls)
-	dec.finished = true
-	return firstNode, nil
-}

pkg/yqlib/decoder_properties.go

@@ -1,129 +0,0 @@
-package yqlib
-
-import (
-	"bytes"
-	"fmt"
-	"io"
-	"strconv"
-	"strings"
-
-	"github.com/magiconair/properties"
-)
-
-type propertiesDecoder struct {
-	reader   io.Reader
-	finished bool
-	d        DataTreeNavigator
-}
-
-func NewPropertiesDecoder() Decoder {
-	return &propertiesDecoder{d: NewDataTreeNavigator(), finished: false}
-}
-
-func (dec *propertiesDecoder) Init(reader io.Reader) error {
-	dec.reader = reader
-	dec.finished = false
-	return nil
-}
-
-func parsePropKey(key string) []interface{} {
-	pathStrArray := strings.Split(key, ".")
-	path := make([]interface{}, len(pathStrArray))
-	for i, pathStr := range pathStrArray {
-		num, err := strconv.ParseInt(pathStr, 10, 32)
-		if err == nil {
-			path[i] = num
-		} else {
-			path[i] = pathStr
-		}
-	}
-	return path
-}
-
-func (dec *propertiesDecoder) processComment(c string) string {
-	if c == "" {
-		return ""
-	}
-	return "# " + c
-}
-
-func (dec *propertiesDecoder) applyPropertyComments(context Context, path []interface{}, comments []string) error {
-	assignmentOp := &Operation{OperationType: assignOpType, Preferences: assignPreferences{}}
-
-	rhsCandidateNode := &CandidateNode{
-		Tag:         "!!str",
-		Value:       fmt.Sprintf("%v", path[len(path)-1]),
-		HeadComment: dec.processComment(strings.Join(comments, "\n")),
-		Kind:        ScalarNode,
-	}
-
-	rhsCandidateNode.Tag = rhsCandidateNode.guessTagFromCustomType()
-
-	rhsOp := &Operation{OperationType: referenceOpType, CandidateNode: rhsCandidateNode}
-
-	assignmentOpNode := &ExpressionNode{
-		Operation: assignmentOp,
-		LHS:       createTraversalTree(path, traversePreferences{}, true),
-		RHS:       &ExpressionNode{Operation: rhsOp},
-	}
-
-	_, err := dec.d.GetMatchingNodes(context, assignmentOpNode)
-	return err
-}
-
-func (dec *propertiesDecoder) applyProperty(context Context, properties *properties.Properties, key string) error {
-	value, _ := properties.Get(key)
-	path := parsePropKey(key)
-
-	propertyComments := properties.GetComments(key)
-	if len(propertyComments) > 0 {
-		err := dec.applyPropertyComments(context, path, propertyComments)
-		if err != nil {
-			return nil
-		}
-	}
-
-	rhsNode := createStringScalarNode(value)
-	rhsNode.Tag = rhsNode.guessTagFromCustomType()
-
-	return dec.d.DeeplyAssign(context, path, rhsNode)
-}
-
-func (dec *propertiesDecoder) Decode() (*CandidateNode, error) {
-	if dec.finished {
-		return nil, io.EOF
-	}
-	buf := new(bytes.Buffer)
-
-	if _, err := buf.ReadFrom(dec.reader); err != nil {
-		return nil, err
-	}
-	if buf.Len() == 0 {
-		dec.finished = true
-		return nil, io.EOF
-	}
-	properties, err := properties.LoadString(buf.String())
-	if err != nil {
-		return nil, err
-	}
-	properties.DisableExpansion = true
-
-	rootMap := &CandidateNode{
-		Kind: MappingNode,
-		Tag:  "!!map",
-	}
-
-	context := Context{}
-	context = context.SingleChildContext(rootMap)
-
-	for _, key := range properties.Keys() {
-		if err := dec.applyProperty(context, properties, key); err != nil {
-			return nil, err
-		}
-
-	}
-	dec.finished = true
-
-	return rootMap, nil
-
-}

pkg/yqlib/decoder_test.go

@@ -1,75 +0,0 @@
-package yqlib
-
-import (
-	"bufio"
-	"bytes"
-	"fmt"
-	"strings"
-)
-
-type formatScenario struct {
-	input          string
-	indent         int
-	expression     string
-	expected       string
-	description    string
-	subdescription string
-	skipDoc        bool
-	scenarioType   string
-	expectedError  string
-}
-
-func processFormatScenario(s formatScenario, decoder Decoder, encoder Encoder) (string, error) {
-	var output bytes.Buffer
-	writer := bufio.NewWriter(&output)
-
-	if decoder == nil {
-		decoder = NewYamlDecoder(ConfiguredYamlPreferences)
-	}
-
-	log.Debugf("reading docs")
-	inputs, err := readDocuments(strings.NewReader(s.input), "sample.yml", 0, decoder)
-	if err != nil {
-		return "", err
-	}
-
-	log.Debugf("done reading the documents")
-
-	expression := s.expression
-	if expression == "" {
-		expression = "."
-	}
-
-	exp, err := getExpressionParser().ParseExpression(expression)
-
-	if err != nil {
-		return "", err
-	}
-
-	context, err := NewDataTreeNavigator().GetMatchingNodes(Context{MatchingNodes: inputs}, exp)
-
-	log.Debugf("Going to print: %v", NodesToString(context.MatchingNodes))
-
-	if err != nil {
-		return "", err
-	}
-
-	printer := NewPrinter(encoder, NewSinglePrinterWriter(writer))
-	err = printer.PrintResults(context.MatchingNodes)
-	if err != nil {
-		return "", err
-	}
-	writer.Flush()
-
-	return output.String(), nil
-}
-
-func mustProcessFormatScenario(s formatScenario, decoder Decoder, encoder Encoder) string {
-
-	result, err := processFormatScenario(s, decoder, encoder)
-	if err != nil {
-		panic(fmt.Errorf("Bad scenario %v: %w", s.description, err))
-	}
-	return result
-
-}

pkg/yqlib/decoder_toml.go

@@ -1,354 +0,0 @@
-//go:build !yq_notoml
-
-package yqlib
-
-import (
-	"bytes"
-	"errors"
-	"fmt"
-	"io"
-	"strconv"
-	"time"
-
-	toml "github.com/pelletier/go-toml/v2/unstable"
-)
-
-type tomlDecoder struct {
-	parser   toml.Parser
-	finished bool
-	d        DataTreeNavigator
-	rootMap  *CandidateNode
-}
-
-func NewTomlDecoder() Decoder {
-	return &tomlDecoder{
-		finished: false,
-		d:        NewDataTreeNavigator(),
-	}
-}
-
-func (dec *tomlDecoder) Init(reader io.Reader) error {
-	dec.parser = toml.Parser{}
-	buf := new(bytes.Buffer)
-	_, err := buf.ReadFrom(reader)
-	if err != nil {
-		return err
-	}
-	dec.parser.Reset(buf.Bytes())
-	dec.rootMap = &CandidateNode{
-		Kind: MappingNode,
-		Tag:  "!!map",
-	}
-	return nil
-}
-
-func (dec *tomlDecoder) getFullPath(tomlNode *toml.Node) []interface{} {
-	path := make([]interface{}, 0)
-	for {
-		path = append(path, string(tomlNode.Data))
-		tomlNode = tomlNode.Next()
-		if tomlNode == nil {
-			return path
-		}
-	}
-}
-
-func (dec *tomlDecoder) processKeyValueIntoMap(rootMap *CandidateNode, tomlNode *toml.Node) error {
-	value := tomlNode.Value()
-	path := dec.getFullPath(value.Next())
-	log.Debug("!!!processKeyValueIntoMap: %v", path)
-
-	valueNode, err := dec.decodeNode(value)
-	if err != nil {
-		return err
-	}
-
-	context := Context{}
-	context = context.SingleChildContext(rootMap)
-
-	return dec.d.DeeplyAssign(context, path, valueNode)
-}
-
-func (dec *tomlDecoder) decodeKeyValuesIntoMap(rootMap *CandidateNode, tomlNode *toml.Node) (bool, error) {
-	log.Debug("!! DECODE_KV_INTO_MAP -- processing first (current) entry")
-	if err := dec.processKeyValueIntoMap(rootMap, tomlNode); err != nil {
-		return false, err
-	}
-
-	for dec.parser.NextExpression() {
-		nextItem := dec.parser.Expression()
-		log.Debug("!! DECODE_KV_INTO_MAP -- next exp, its a %v", nextItem.Kind)
-
-		if nextItem.Kind == toml.KeyValue {
-			if err := dec.processKeyValueIntoMap(rootMap, nextItem); err != nil {
-				return false, err
-			}
-		} else {
-			// run out of key values
-			log.Debug("! DECODE_KV_INTO_MAP - ok we are done in decodeKeyValuesIntoMap, gota a %v", nextItem.Kind)
-			log.Debug("! DECODE_KV_INTO_MAP - processAgainstCurrentExp = true!")
-			return true, nil
-		}
-	}
-	log.Debug("! DECODE_KV_INTO_MAP - no more things to read in")
-	return false, nil
-}
-
-func (dec *tomlDecoder) createInlineTableMap(tomlNode *toml.Node) (*CandidateNode, error) {
-	content := make([]*CandidateNode, 0)
-	log.Debug("!! createInlineTableMap")
-
-	iterator := tomlNode.Children()
-	for iterator.Next() {
-		child := iterator.Node()
-		if child.Kind != toml.KeyValue {
-			return nil, fmt.Errorf("only keyvalue pairs are supported in inlinetables, got %v instead", child.Kind)
-		}
-
-		keyValues := &CandidateNode{
-			Kind: MappingNode,
-			Tag:  "!!map",
-		}
-
-		if err := dec.processKeyValueIntoMap(keyValues, child); err != nil {
-			return nil, err
-		}
-
-		content = append(content, keyValues.Content...)
-	}
-
-	return &CandidateNode{
-		Kind:    MappingNode,
-		Tag:     "!!map",
-		Content: content,
-	}, nil
-}
-
-func (dec *tomlDecoder) createArray(tomlNode *toml.Node) (*CandidateNode, error) {
-	content := make([]*CandidateNode, 0)
-	iterator := tomlNode.Children()
-	for iterator.Next() {
-		child := iterator.Node()
-		yamlNode, err := dec.decodeNode(child)
-		if err != nil {
-			return nil, err
-		}
-		content = append(content, yamlNode)
-	}
-
-	return &CandidateNode{
-		Kind:    SequenceNode,
-		Tag:     "!!seq",
-		Content: content,
-	}, nil
-
-}
-
-func (dec *tomlDecoder) createStringScalar(tomlNode *toml.Node) (*CandidateNode, error) {
-	content := string(tomlNode.Data)
-	return createScalarNode(content, content), nil
-}
-
-func (dec *tomlDecoder) createBoolScalar(tomlNode *toml.Node) (*CandidateNode, error) {
-	content := string(tomlNode.Data)
-	return createScalarNode(content == "true", content), nil
-}
-
-func (dec *tomlDecoder) createIntegerScalar(tomlNode *toml.Node) (*CandidateNode, error) {
-	content := string(tomlNode.Data)
-	_, num, err := parseInt64(content)
-	return createScalarNode(num, content), err
-}
-
-func (dec *tomlDecoder) createDateTimeScalar(tomlNode *toml.Node) (*CandidateNode, error) {
-	content := string(tomlNode.Data)
-	val, err := parseDateTime(time.RFC3339, content)
-	return createScalarNode(val, content), err
-}
-
-func (dec *tomlDecoder) createFloatScalar(tomlNode *toml.Node) (*CandidateNode, error) {
-	content := string(tomlNode.Data)
-	num, err := strconv.ParseFloat(content, 64)
-	return createScalarNode(num, content), err
-}
-
-func (dec *tomlDecoder) decodeNode(tomlNode *toml.Node) (*CandidateNode, error) {
-	switch tomlNode.Kind {
-	case toml.Key, toml.String:
-		return dec.createStringScalar(tomlNode)
-	case toml.Bool:
-		return dec.createBoolScalar(tomlNode)
-	case toml.Integer:
-		return dec.createIntegerScalar(tomlNode)
-	case toml.DateTime:
-		return dec.createDateTimeScalar(tomlNode)
-	case toml.Float:
-		return dec.createFloatScalar(tomlNode)
-	case toml.Array:
-		return dec.createArray(tomlNode)
-	case toml.InlineTable:
-		return dec.createInlineTableMap(tomlNode)
-	default:
-		return nil, fmt.Errorf("unsupported type %v", tomlNode.Kind)
-	}
-
-}
-
-func (dec *tomlDecoder) Decode() (*CandidateNode, error) {
-	if dec.finished {
-		return nil, io.EOF
-	}
-	//
-	// toml library likes to panic
-	var deferredError error
-	defer func() { //catch or finally
-		if r := recover(); r != nil {
-			var ok bool
-			deferredError, ok = r.(error)
-			if !ok {
-				deferredError = fmt.Errorf("pkg: %v", r)
-			}
-		}
-	}()
-
-	log.Debug("ok here we go")
-	var runAgainstCurrentExp = false
-	var err error
-	for runAgainstCurrentExp || dec.parser.NextExpression() {
-
-		if runAgainstCurrentExp {
-			log.Debug("running against current exp")
-		}
-
-		currentNode := dec.parser.Expression()
-
-		log.Debug("currentNode: %v ", currentNode.Kind)
-		runAgainstCurrentExp, err = dec.processTopLevelNode(currentNode)
-		if err != nil {
-			return dec.rootMap, err
-		}
-
-	}
-
-	err = dec.parser.Error()
-	if err != nil {
-		return nil, err
-	}
-
-	// must have finished
-	dec.finished = true
-
-	if len(dec.rootMap.Content) == 0 {
-		return nil, io.EOF
-	}
-
-	return dec.rootMap, deferredError
-
-}
-
-func (dec *tomlDecoder) processTopLevelNode(currentNode *toml.Node) (bool, error) {
-	var runAgainstCurrentExp bool
-	var err error
-	log.Debug("!!!!!!!!!!!!Going to process %v state is current %v", currentNode.Kind, NodeToString(dec.rootMap))
-	if currentNode.Kind == toml.Table {
-		runAgainstCurrentExp, err = dec.processTable(currentNode)
-	} else if currentNode.Kind == toml.ArrayTable {
-		runAgainstCurrentExp, err = dec.processArrayTable(currentNode)
-	} else {
-		runAgainstCurrentExp, err = dec.decodeKeyValuesIntoMap(dec.rootMap, currentNode)
-	}
-
-	log.Debug("!!!!!!!!!!!!DONE Processing state is now %v", NodeToString(dec.rootMap))
-	return runAgainstCurrentExp, err
-}
-
-func (dec *tomlDecoder) processTable(currentNode *toml.Node) (bool, error) {
-	log.Debug("!!! processing table")
-	fullPath := dec.getFullPath(currentNode.Child())
-	log.Debug("!!!fullpath: %v", fullPath)
-
-	hasValue := dec.parser.NextExpression()
-	if !hasValue {
-		return false, fmt.Errorf("error retrieving table %v value: %w", fullPath, dec.parser.Error())
-	}
-
-	tableNodeValue := &CandidateNode{
-		Kind: MappingNode,
-		Tag:  "!!map",
-	}
-
-	tableValue := dec.parser.Expression()
-	if tableValue.Kind != toml.KeyValue {
-		log.Debug("got an empty table, returning")
-		return true, nil
-	}
-
-	runAgainstCurrentExp, err := dec.decodeKeyValuesIntoMap(tableNodeValue, tableValue)
-	log.Debugf("table node err: %w", err)
-	if err != nil && !errors.Is(io.EOF, err) {
-		return false, err
-	}
-	c := Context{}
-
-	c = c.SingleChildContext(dec.rootMap)
-	err = dec.d.DeeplyAssign(c, fullPath, tableNodeValue)
-	if err != nil {
-		return false, err
-	}
-	return runAgainstCurrentExp, nil
-}
-
-func (dec *tomlDecoder) arrayAppend(context Context, path []interface{}, rhsNode *CandidateNode) error {
-	rhsCandidateNode := &CandidateNode{
-		Kind:    SequenceNode,
-		Tag:     "!!seq",
-		Content: []*CandidateNode{rhsNode},
-	}
-
-	assignmentOp := &Operation{OperationType: addAssignOpType}
-
-	rhsOp := &Operation{OperationType: valueOpType, CandidateNode: rhsCandidateNode}
-
-	assignmentOpNode := &ExpressionNode{
-		Operation: assignmentOp,
-		LHS:       createTraversalTree(path, traversePreferences{}, false),
-		RHS:       &ExpressionNode{Operation: rhsOp},
-	}
-
-	_, err := dec.d.GetMatchingNodes(context, assignmentOpNode)
-	return err
-}
-
-func (dec *tomlDecoder) processArrayTable(currentNode *toml.Node) (bool, error) {
-	log.Debug("!!! processing table")
-	fullPath := dec.getFullPath(currentNode.Child())
-	log.Debug("!!!fullpath: %v", fullPath)
-
-	// need to use the array append exp to add another entry to
-	// this array: fullpath += [ thing ]
-
-	hasValue := dec.parser.NextExpression()
-	if !hasValue {
-		return false, fmt.Errorf("error retrieving table %v value: %w", fullPath, dec.parser.Error())
-	}
-
-	tableNodeValue := &CandidateNode{
-		Kind: MappingNode,
-		Tag:  "!!map",
-	}
-
-	tableValue := dec.parser.Expression()
-	runAgainstCurrentExp, err := dec.decodeKeyValuesIntoMap(tableNodeValue, tableValue)
-	log.Debugf("table node err: %w", err)
-	if err != nil && !errors.Is(io.EOF, err) {
-		return false, err
-	}
-	c := Context{}
-
-	c = c.SingleChildContext(dec.rootMap)
-
-	// += function
-	err = dec.arrayAppend(c, fullPath, tableNodeValue)
-
-	return runAgainstCurrentExp, err
-}

pkg/yqlib/decoder_uri.go

@@ -1,52 +0,0 @@
-package yqlib
-
-import (
-	"bytes"
-	"io"
-	"net/url"
-)
-
-type uriDecoder struct {
-	reader       io.Reader
-	finished     bool
-	readAnything bool
-}
-
-func NewUriDecoder() Decoder {
-	return &uriDecoder{finished: false}
-}
-
-func (dec *uriDecoder) Init(reader io.Reader) error {
-	dec.reader = reader
-	dec.readAnything = false
-	dec.finished = false
-	return nil
-}
-
-func (dec *uriDecoder) Decode() (*CandidateNode, error) {
-	if dec.finished {
-		return nil, io.EOF
-	}
-
-	buf := new(bytes.Buffer)
-
-	if _, err := buf.ReadFrom(dec.reader); err != nil {
-		return nil, err
-	}
-	if buf.Len() == 0 {
-		dec.finished = true
-
-		// if we've read _only_ an empty string, lets return that
-		// otherwise if we've already read some bytes, and now we get
-		// an empty string, then we are done.
-		if dec.readAnything {
-			return nil, io.EOF
-		}
-	}
-	newValue, err := url.QueryUnescape(buf.String())
-	if err != nil {
-		return nil, err
-	}
-	dec.readAnything = true
-	return createStringScalarNode(newValue), nil
-}

pkg/yqlib/decoder_xml.go

@@ -1,403 +0,0 @@
-//go:build !yq_noxml
-
-package yqlib
-
-import (
-	"encoding/xml"
-	"errors"
-	"fmt"
-	"io"
-	"regexp"
-	"strings"
-	"unicode"
-
-	"golang.org/x/net/html/charset"
-)
-
-type xmlDecoder struct {
-	reader       io.Reader
-	readAnything bool
-	finished     bool
-	prefs        XmlPreferences
-}
-
-func NewXMLDecoder(prefs XmlPreferences) Decoder {
-	return &xmlDecoder{
-		finished: false,
-		prefs:    prefs,
-	}
-}
-
-func (dec *xmlDecoder) Init(reader io.Reader) error {
-	dec.reader = reader
-	dec.readAnything = false
-	dec.finished = false
-	return nil
-}
-
-func (dec *xmlDecoder) createSequence(nodes []*xmlNode) (*CandidateNode, error) {
-	yamlNode := &CandidateNode{Kind: SequenceNode, Tag: "!!seq"}
-	for _, child := range nodes {
-		yamlChild, err := dec.convertToYamlNode(child)
-		if err != nil {
-			return nil, err
-		}
-		yamlNode.AddChild(yamlChild)
-	}
-
-	return yamlNode, nil
-}
-
-var decoderCommentPrefix = regexp.MustCompile(`(^|\n)([[:alpha:]])`)
-
-func (dec *xmlDecoder) processComment(c string) string {
-	if c == "" {
-		return ""
-	}
-	//need to replace "cat " with "# cat"
-	// "\ncat\n" with "\n cat\n"
-	// ensure non-empty comments starting with newline have a space in front
-
-	replacement := decoderCommentPrefix.ReplaceAllString(c, "$1 $2")
-	replacement = "#" + strings.ReplaceAll(strings.TrimRight(replacement, " "), "\n", "\n#")
-	return replacement
-}
-
-func (dec *xmlDecoder) createMap(n *xmlNode) (*CandidateNode, error) {
-	log.Debug("createMap: headC: %v, lineC: %v, footC: %v", n.HeadComment, n.LineComment, n.FootComment)
-	yamlNode := &CandidateNode{Kind: MappingNode, Tag: "!!map"}
-
-	if len(n.Data) > 0 {
-		log.Debugf("creating content node for map: %v", dec.prefs.ContentName)
-		label := dec.prefs.ContentName
-		labelNode := createScalarNode(label, label)
-		labelNode.HeadComment = dec.processComment(n.HeadComment)
-		labelNode.LineComment = dec.processComment(n.LineComment)
-		labelNode.FootComment = dec.processComment(n.FootComment)
-		yamlNode.AddKeyValueChild(labelNode, dec.createValueNodeFromData(n.Data))
-	}
-
-	for i, keyValuePair := range n.Children {
-		label := keyValuePair.K
-		children := keyValuePair.V
-		labelNode := createScalarNode(label, label)
-		var valueNode *CandidateNode
-		var err error
-
-		if i == 0 {
-			log.Debugf("head comment here")
-			labelNode.HeadComment = dec.processComment(n.HeadComment)
-
-		}
-		log.Debugf("label=%v, i=%v, keyValuePair.FootComment: %v", label, i, keyValuePair.FootComment)
-		labelNode.FootComment = dec.processComment(keyValuePair.FootComment)
-
-		log.Debug("len of children in %v is %v", label, len(children))
-		if len(children) > 1 {
-			valueNode, err = dec.createSequence(children)
-			if err != nil {
-				return nil, err
-			}
-		} else {
-			// comment hack for maps of scalars
-			// if the value is a scalar, the head comment of the scalar needs to go on the key?
-			// add tests for <z/> as well as multiple <ds> of inputXmlWithComments > yaml
-			if len(children[0].Children) == 0 && children[0].HeadComment != "" {
-				if len(children[0].Data) > 0 {
-
-					log.Debug("scalar comment hack, currentlabel [%v]", labelNode.HeadComment)
-					labelNode.HeadComment = joinComments([]string{labelNode.HeadComment, strings.TrimSpace(children[0].HeadComment)}, "\n")
-					children[0].HeadComment = ""
-				} else {
-					// child is null, put the headComment as a linecomment for reasons
-					children[0].LineComment = children[0].HeadComment
-					children[0].HeadComment = ""
-				}
-			}
-			valueNode, err = dec.convertToYamlNode(children[0])
-			if err != nil {
-				return nil, err
-			}
-		}
-		yamlNode.AddKeyValueChild(labelNode, valueNode)
-	}
-
-	return yamlNode, nil
-}
-
-func (dec *xmlDecoder) createValueNodeFromData(values []string) *CandidateNode {
-	switch len(values) {
-	case 0:
-		return createScalarNode(nil, "")
-	case 1:
-		return createScalarNode(values[0], values[0])
-	default:
-		content := make([]*CandidateNode, 0)
-		for _, value := range values {
-			content = append(content, createScalarNode(value, value))
-		}
-		return &CandidateNode{
-			Kind:    SequenceNode,
-			Tag:     "!!seq",
-			Content: content,
-		}
-	}
-}
-
-func (dec *xmlDecoder) convertToYamlNode(n *xmlNode) (*CandidateNode, error) {
-	if len(n.Children) > 0 {
-		return dec.createMap(n)
-	}
-
-	scalar := dec.createValueNodeFromData(n.Data)
-
-	log.Debug("scalar (%v), headC: %v, lineC: %v, footC: %v", scalar.Tag, n.HeadComment, n.LineComment, n.FootComment)
-	scalar.HeadComment = dec.processComment(n.HeadComment)
-	scalar.LineComment = dec.processComment(n.LineComment)
-	if scalar.Tag == "!!seq" {
-		scalar.Content[0].HeadComment = scalar.LineComment
-		scalar.LineComment = ""
-	}
-
-	scalar.FootComment = dec.processComment(n.FootComment)
-
-	return scalar, nil
-}
-
-func (dec *xmlDecoder) Decode() (*CandidateNode, error) {
-	if dec.finished {
-		return nil, io.EOF
-	}
-	root := &xmlNode{}
-	// cant use xj - it doesn't keep map order.
-	err := dec.decodeXML(root)
-
-	if err != nil {
-		return nil, err
-	}
-	firstNode, err := dec.convertToYamlNode(root)
-
-	if err != nil {
-		return nil, err
-	} else if firstNode.Tag == "!!null" {
-		dec.finished = true
-		if dec.readAnything {
-			return nil, io.EOF
-		}
-	}
-	dec.readAnything = true
-	dec.finished = true
-
-	return firstNode, nil
-}
-
-type xmlNode struct {
-	Children    []*xmlChildrenKv
-	HeadComment string
-	FootComment string
-	LineComment string
-	Data        []string
-}
-
-type xmlChildrenKv struct {
-	K           string
-	V           []*xmlNode
-	FootComment string
-}
-
-// AddChild appends a node to the list of children
-func (n *xmlNode) AddChild(s string, c *xmlNode) {
-
-	if n.Children == nil {
-		n.Children = make([]*xmlChildrenKv, 0)
-	}
-	log.Debug("looking for %s", s)
-	// see if we can find an existing entry to add to
-	for _, childEntry := range n.Children {
-		if childEntry.K == s {
-			log.Debug("found it, appending an entry%s", s)
-			childEntry.V = append(childEntry.V, c)
-			log.Debug("yay len of children in %v is %v", s, len(childEntry.V))
-			return
-		}
-	}
-	log.Debug("not there, making a new one %s", s)
-	n.Children = append(n.Children, &xmlChildrenKv{K: s, V: []*xmlNode{c}})
-}
-
-type element struct {
-	parent *element
-	n      *xmlNode
-	label  string
-	state  string
-}
-
-// this code is heavily based on https://github.com/basgys/goxml2json
-// main changes are to decode into a structure that preserves the original order
-// of the map keys.
-func (dec *xmlDecoder) decodeXML(root *xmlNode) error {
-	xmlDec := xml.NewDecoder(dec.reader)
-	xmlDec.Strict = dec.prefs.StrictMode
-	// That will convert the charset if the provided XML is non-UTF-8
-	xmlDec.CharsetReader = charset.NewReaderLabel
-
-	started := false
-
-	// Create first element from the root node
-	elem := &element{
-		parent: nil,
-		n:      root,
-	}
-
-	getToken := func() (xml.Token, error) {
-		if dec.prefs.UseRawToken {
-			return xmlDec.RawToken()
-		}
-		return xmlDec.Token()
-	}
-
-	for {
-		t, e := getToken()
-		if e != nil && !errors.Is(e, io.EOF) {
-			return e
-		}
-		if t == nil {
-			break
-		}
-
-		switch se := t.(type) {
-		case xml.StartElement:
-			log.Debug("start element %v", se.Name.Local)
-			elem.state = "started"
-			// Build new a new current element and link it to its parent
-			elem = &element{
-				parent: elem,
-				n:      &xmlNode{},
-				label:  se.Name.Local,
-			}
-
-			// Extract attributes as children
-			for _, a := range se.Attr {
-				if dec.prefs.KeepNamespace {
-					if a.Name.Space != "" {
-						a.Name.Local = a.Name.Space + ":" + a.Name.Local
-					}
-				}
-				elem.n.AddChild(dec.prefs.AttributePrefix+a.Name.Local, &xmlNode{Data: []string{a.Value}})
-			}
-		case xml.CharData:
-
-			// Extract XML data (if any)
-			newBit := trimNonGraphic(string(se))
-			if !started && len(newBit) > 0 {
-				return fmt.Errorf("invalid XML: Encountered chardata [%v] outside of XML node", newBit)
-			}
-
-			if len(newBit) > 0 {
-				elem.n.Data = append(elem.n.Data, newBit)
-				elem.state = "chardata"
-				log.Debug("chardata [%v] for %v", elem.n.Data, elem.label)
-			}
-		case xml.EndElement:
-			log.Debug("end element %v", elem.label)
-			elem.state = "finished"
-			// And add it to its parent list
-			if elem.parent != nil {
-				elem.parent.n.AddChild(elem.label, elem.n)
-			}
-
-			// Then change the current element to its parent
-			elem = elem.parent
-		case xml.Comment:
-
-			commentStr := string(xml.CharData(se))
-			if elem.state == "started" {
-				applyFootComment(elem, commentStr)
-
-			} else if elem.state == "chardata" {
-				log.Debug("got a line comment for (%v) %v: [%v]", elem.state, elem.label, commentStr)
-				elem.n.LineComment = joinComments([]string{elem.n.LineComment, commentStr}, " ")
-			} else {
-				log.Debug("got a head comment for (%v) %v: [%v]", elem.state, elem.label, commentStr)
-				elem.n.HeadComment = joinComments([]string{elem.n.HeadComment, commentStr}, " ")
-			}
-
-		case xml.ProcInst:
-			if !dec.prefs.SkipProcInst {
-				elem.n.AddChild(dec.prefs.ProcInstPrefix+se.Target, &xmlNode{Data: []string{string(se.Inst)}})
-			}
-		case xml.Directive:
-			if !dec.prefs.SkipDirectives {
-				elem.n.AddChild(dec.prefs.DirectiveName, &xmlNode{Data: []string{string(se)}})
-			}
-		}
-		started = true
-	}
-
-	return nil
-}
-
-func applyFootComment(elem *element, commentStr string) {
-
-	// first lets try to put the comment on the last child
-	if len(elem.n.Children) > 0 {
-		lastChildIndex := len(elem.n.Children) - 1
-		childKv := elem.n.Children[lastChildIndex]
-		log.Debug("got a foot comment, putting on last child for %v: [%v]", childKv.K, commentStr)
-		// if it's an array of scalars, put the foot comment on the scalar itself
-		if len(childKv.V) > 0 && len(childKv.V[0].Children) == 0 {
-			nodeToUpdate := childKv.V[len(childKv.V)-1]
-			nodeToUpdate.FootComment = joinComments([]string{nodeToUpdate.FootComment, commentStr}, " ")
-		} else {
-			childKv.FootComment = joinComments([]string{elem.n.FootComment, commentStr}, " ")
-		}
-	} else {
-		log.Debug("got a foot comment for %v: [%v]", elem.label, commentStr)
-		elem.n.FootComment = joinComments([]string{elem.n.FootComment, commentStr}, " ")
-	}
-}
-
-func joinComments(rawStrings []string, joinStr string) string {
-	stringsToJoin := make([]string, 0)
-	for _, str := range rawStrings {
-		if str != "" {
-			stringsToJoin = append(stringsToJoin, str)
-		}
-	}
-	return strings.Join(stringsToJoin, joinStr)
-}
-
-// trimNonGraphic returns a slice of the string s, with all leading and trailing
-// non graphic characters and spaces removed.
-//
-// Graphic characters include letters, marks, numbers, punctuation, symbols,
-// and spaces, from categories L, M, N, P, S, Zs.
-// Spacing characters are set by category Z and property Pattern_White_Space.
-func trimNonGraphic(s string) string {
-	if s == "" {
-		return s
-	}
-
-	var first *int
-	var last int
-	for i, r := range []rune(s) {
-		if !unicode.IsGraphic(r) || unicode.IsSpace(r) {
-			continue
-		}
-
-		if first == nil {
-			f := i // copy i
-			first = &f
-			last = i
-		} else {
-			last = i
-		}
-	}
-
-	// If first is nil, it means there are no graphic characters
-	if first == nil {
-		return ""
-	}
-
-	return string([]rune(s)[*first : last+1])
-}

pkg/yqlib/decoder_yaml.go

@@ -1,149 +0,0 @@
-package yqlib
-
-import (
-	"bufio"
-	"bytes"
-	"errors"
-	"io"
-	"regexp"
-	"strings"
-
-	yaml "gopkg.in/yaml.v3"
-)
-
-type yamlDecoder struct {
-	decoder yaml.Decoder
-
-	prefs YamlPreferences
-
-	// work around of various parsing issues by yaml.v3 with document headers
-	leadingContent string
-	bufferRead     bytes.Buffer
-
-	// anchor map persists over multiple documents for convenience.
-	anchorMap map[string]*CandidateNode
-
-	readAnything  bool
-	firstFile     bool
-	documentIndex uint
-}
-
-func NewYamlDecoder(prefs YamlPreferences) Decoder {
-	return &yamlDecoder{prefs: prefs, firstFile: true}
-}
-
-func (dec *yamlDecoder) processReadStream(reader *bufio.Reader) (io.Reader, string, error) {
-	var commentLineRegEx = regexp.MustCompile(`^\s*#`)
-	var yamlDirectiveLineRegEx = regexp.MustCompile(`^\s*%YA`)
-	var sb strings.Builder
-	for {
-		peekBytes, err := reader.Peek(3)
-		if errors.Is(err, io.EOF) {
-			// EOF are handled else where..
-			return reader, sb.String(), nil
-		} else if err != nil {
-			return reader, sb.String(), err
-		} else if string(peekBytes[0]) == "\n" {
-			_, err := reader.ReadString('\n')
-			sb.WriteString("\n")
-			if errors.Is(err, io.EOF) {
-				return reader, sb.String(), nil
-			} else if err != nil {
-				return reader, sb.String(), err
-			}
-		} else if string(peekBytes) == "---" {
-			_, err := reader.ReadString('\n')
-			sb.WriteString("$yqDocSeparator$\n")
-			if errors.Is(err, io.EOF) {
-				return reader, sb.String(), nil
-			} else if err != nil {
-				return reader, sb.String(), err
-			}
-		} else if commentLineRegEx.MatchString(string(peekBytes)) || yamlDirectiveLineRegEx.MatchString(string(peekBytes)) {
-			line, err := reader.ReadString('\n')
-			sb.WriteString(line)
-			if errors.Is(err, io.EOF) {
-				return reader, sb.String(), nil
-			} else if err != nil {
-				return reader, sb.String(), err
-			}
-		} else {
-			return reader, sb.String(), nil
-		}
-	}
-}
-
-func (dec *yamlDecoder) Init(reader io.Reader) error {
-	readerToUse := reader
-	leadingContent := ""
-	dec.bufferRead = bytes.Buffer{}
-	var err error
-	// if we 'evaluating together' - we only process the leading content
-	// of the first file - this ensures comments from subsequent files are
-	// merged together correctly.
-	if dec.prefs.LeadingContentPreProcessing && (!dec.prefs.EvaluateTogether || dec.firstFile) {
-		readerToUse, leadingContent, err = dec.processReadStream(bufio.NewReader(reader))
-		if err != nil {
-			return err
-		}
-	} else if !dec.prefs.LeadingContentPreProcessing {
-		// if we're not process the leading content
-		// keep a copy of what we've read. This is incase its a
-		// doc with only comments - the decoder will return nothing
-		// then we can read the comments from bufferRead
-		readerToUse = io.TeeReader(reader, &dec.bufferRead)
-	}
-	dec.leadingContent = leadingContent
-	dec.readAnything = false
-	dec.decoder = *yaml.NewDecoder(readerToUse)
-	dec.firstFile = false
-	dec.documentIndex = 0
-	dec.anchorMap = make(map[string]*CandidateNode)
-	return nil
-}
-
-func (dec *yamlDecoder) Decode() (*CandidateNode, error) {
-	var yamlNode yaml.Node
-	err := dec.decoder.Decode(&yamlNode)
-
-	if errors.Is(err, io.EOF) && dec.leadingContent != "" && !dec.readAnything {
-		// force returning an empty node with a comment.
-		dec.readAnything = true
-		return dec.blankNodeWithComment(), nil
-	} else if errors.Is(err, io.EOF) && !dec.prefs.LeadingContentPreProcessing && !dec.readAnything {
-		// didn't find any yaml,
-		// check the tee buffer, maybe there were comments
-		dec.readAnything = true
-		dec.leadingContent = dec.bufferRead.String()
-		if dec.leadingContent != "" {
-			return dec.blankNodeWithComment(), nil
-		}
-		return nil, err
-	} else if err != nil {
-		return nil, err
-	}
-
-	candidateNode := CandidateNode{document: dec.documentIndex}
-	// don't bother with the DocumentNode
-	err = candidateNode.UnmarshalYAML(yamlNode.Content[0], dec.anchorMap)
-	if err != nil {
-		return nil, err
-	}
-
-	candidateNode.HeadComment = yamlNode.HeadComment + candidateNode.HeadComment
-	candidateNode.FootComment = yamlNode.FootComment + candidateNode.FootComment
-
-	if dec.leadingContent != "" {
-		candidateNode.LeadingContent = dec.leadingContent
-		dec.leadingContent = ""
-	}
-	dec.readAnything = true
-	dec.documentIndex++
-	return &candidateNode, nil
-}
-
-func (dec *yamlDecoder) blankNodeWithComment() *CandidateNode {
-	node := createScalarNode(nil, "")
-	node.LeadingContent = dec.leadingContent
-	return node
-}

pkg/yqlib/doc/Add.md

@@ -0,0 +1,239 @@
+Add behaves differently according to the type of the LHS:
+- arrays: concatenate
+- number scalars: arithmetic addition
+- string scalars: concatenate
+
+Use `+=` as append assign for things like increment. Note that `.a += .x` is equivalent to running `.a = .a + .x`.
+
+## Concatenate and assign arrays
+Given a sample.yml file of:
+```yaml
+a:
+  val: thing
+  b:
+    - cat
+    - dog
+```
+then
+```bash
+yq eval '.a.b += ["cow"]' sample.yml
+```
+will output
+```yaml
+a:
+  val: thing
+  b:
+    - cat
+    - dog
+    - cow
+```
+
+## Concatenate arrays
+Given a sample.yml file of:
+```yaml
+a:
+  - 1
+  - 2
+b:
+  - 3
+  - 4
+```
+then
+```bash
+yq eval '.a + .b' sample.yml
+```
+will output
+```yaml
+- 1
+- 2
+- 3
+- 4
+```
+
+## Concatenate null to array
+Given a sample.yml file of:
+```yaml
+a:
+  - 1
+  - 2
+```
+then
+```bash
+yq eval '.a + null' sample.yml
+```
+will output
+```yaml
+- 1
+- 2
+```
+
+## Add new object to array
+Given a sample.yml file of:
+```yaml
+a:
+  - dog: woof
+```
+then
+```bash
+yq eval '.a + {"cat": "meow"}' sample.yml
+```
+will output
+```yaml
+- dog: woof
+- cat: meow
+```
+
+## Add string to array
+Given a sample.yml file of:
+```yaml
+a:
+  - 1
+  - 2
+```
+then
+```bash
+yq eval '.a + "hello"' sample.yml
+```
+will output
+```yaml
+- 1
+- 2
+- hello
+```
+
+## Append to array
+Given a sample.yml file of:
+```yaml
+a:
+  - 1
+  - 2
+b:
+  - 3
+  - 4
+```
+then
+```bash
+yq eval '.a = .a + .b' sample.yml
+```
+will output
+```yaml
+a:
+  - 1
+  - 2
+  - 3
+  - 4
+b:
+  - 3
+  - 4
+```
+
+## Relative append
+Given a sample.yml file of:
+```yaml
+a:
+  a1:
+    b:
+      - cat
+  a2:
+    b:
+      - dog
+  a3: {}
+```
+then
+```bash
+yq eval '.a[].b += ["mouse"]' sample.yml
+```
+will output
+```yaml
+a:
+  a1:
+    b:
+      - cat
+      - mouse
+  a2:
+    b:
+      - dog
+      - mouse
+  a3: {b: [mouse]}
+```
+
+## String concatenation
+Given a sample.yml file of:
+```yaml
+a: cat
+b: meow
+```
+then
+```bash
+yq eval '.a = .a + .b' sample.yml
+```
+will output
+```yaml
+a: catmeow
+b: meow
+```
+
+## Number addition - float
+If the lhs or rhs are floats then the expression will be calculated with floats.
+
+Given a sample.yml file of:
+```yaml
+a: 3
+b: 4.9
+```
+then
+```bash
+yq eval '.a = .a + .b' sample.yml
+```
+will output
+```yaml
+a: 7.9
+b: 4.9
+```
+
+## Number addition - int
+If both the lhs and rhs are ints then the expression will be calculated with ints.
+
+Given a sample.yml file of:
+```yaml
+a: 3
+b: 4
+```
+then
+```bash
+yq eval '.a = .a + .b' sample.yml
+```
+will output
+```yaml
+a: 7
+b: 4
+```
+
+## Increment numbers
+Given a sample.yml file of:
+```yaml
+a: 3
+b: 5
+```
+then
+```bash
+yq eval '.[] += 1' sample.yml
+```
+will output
+```yaml
+a: 4
+b: 6
+```
+
+## Add to null
+Adding to null simply returns the rhs
+
+Running
+```bash
+yq eval --null-input 'null + "cat"'
+```
+will output
+```yaml
+cat
+```
+

pkg/yqlib/doc/Alternative (Default value).md

@@ -1,5 +1,3 @@
-# Alternative (Default value)
-
 This operator is used to provide alternative (or default) values when a particular expression is either null or false.
 
 ## LHS is defined
@@ -9,7 +7,7 @@ a: bridge
 ```
 then
 ```bash
-yq '.a // "hello"' sample.yml
+yq eval '.a // "hello"' sample.yml
 ```
 will output
 ```yaml
@@ -23,7 +21,7 @@ Given a sample.yml file of:
 ```
 then
 ```bash
-yq '.a // "hello"' sample.yml
+yq eval '.a // "hello"' sample.yml
 ```
 will output
 ```yaml
@@ -37,7 +35,7 @@ a: ~
 ```
 then
 ```bash
-yq '.a // "hello"' sample.yml
+yq eval '.a // "hello"' sample.yml
 ```
 will output
 ```yaml
@@ -51,7 +49,7 @@ a: false
 ```
 then
 ```bash
-yq '.a // "hello"' sample.yml
+yq eval '.a // "hello"' sample.yml
 ```
 will output
 ```yaml
@@ -66,43 +64,10 @@ b: cat
 ```
 then
 ```bash
-yq '.a // .b' sample.yml
+yq eval '.a // .b' sample.yml
 ```
 will output
 ```yaml
 cat
 ```
 
-## Update or create - entity exists
-This initialises `a` if it's not present
-
-Given a sample.yml file of:
-```yaml
-a: 1
-```
-then
-```bash
-yq '(.a // (.a = 0)) += 1' sample.yml
-```
-will output
-```yaml
-a: 2
-```
-
-## Update or create - entity does not exist
-This initialises `a` if it's not present
-
-Given a sample.yml file of:
-```yaml
-b: camel
-```
-then
-```bash
-yq '(.a // (.a = 0)) += 1' sample.yml
-```
-will output
-```yaml
-b: camel
-a: 1
-```
-

pkg/yqlib/doc/Anchor and Alias Operators.md

@@ -1,5 +1,3 @@
-# Anchor and Alias Operators
-
 Use the `alias` and `anchor` operators to read and write yaml aliases and anchors. The `explode` operator normalises a yaml file (dereference (or expands) aliases and remove anchor names).
 
 `yq` supports merge aliases (like `<<: *blah`) however this is no longer in the standard yaml spec (1.2) and so `yq` will automatically add the `!!merge` tag to these nodes as it is effectively a custom tag.
@@ -25,7 +23,7 @@ Given a sample.yml file of:
 ```
 then
 ```bash
-yq '.[4] | explode(.)' sample.yml
+yq eval '.[4] | explode(.)' sample.yml
 ```
 will output
 ```yaml
@@ -55,7 +53,7 @@ Given a sample.yml file of:
 ```
 then
 ```bash
-yq '.[4] | explode(.)' sample.yml
+yq eval '.[4] | explode(.)' sample.yml
 ```
 will output
 ```yaml
@@ -87,7 +85,7 @@ Given a sample.yml file of:
 ```
 then
 ```bash
-yq '.[4] | explode(.)' sample.yml
+yq eval '.[4] | explode(.)' sample.yml
 ```
 will output
 ```yaml
@@ -103,7 +101,7 @@ a: &billyBob cat
 ```
 then
 ```bash
-yq '.a | anchor' sample.yml
+yq eval '.a | anchor' sample.yml
 ```
 will output
 ```yaml
@@ -117,7 +115,7 @@ a: cat
 ```
 then
 ```bash
-yq '.a anchor = "foobar"' sample.yml
+yq eval '.a anchor = "foobar"' sample.yml
 ```
 will output
 ```yaml
@@ -132,7 +130,7 @@ a:
 ```
 then
 ```bash
-yq '.a anchor |= .b' sample.yml
+yq eval '.a anchor |= .b' sample.yml
 ```
 will output
 ```yaml
@@ -148,7 +146,7 @@ a: *billyBob
 ```
 then
 ```bash
-yq '.a | alias' sample.yml
+yq eval '.a | alias' sample.yml
 ```
 will output
 ```yaml
@@ -163,7 +161,7 @@ a: cat
 ```
 then
 ```bash
-yq '.a alias = "meow"' sample.yml
+yq eval '.a alias = "meow"' sample.yml
 ```
 will output
 ```yaml
@@ -179,7 +177,7 @@ a: cat
 ```
 then
 ```bash
-yq '.a alias = ""' sample.yml
+yq eval '.a alias = ""' sample.yml
 ```
 will output
 ```yaml
@@ -196,7 +194,7 @@ a:
 ```
 then
 ```bash
-yq '.a alias |= .f' sample.yml
+yq eval '.a alias |= .f' sample.yml
 ```
 will output
 ```yaml
@@ -213,7 +211,7 @@ f:
 ```
 then
 ```bash
-yq 'explode(.f)' sample.yml
+yq eval 'explode(.f)' sample.yml
 ```
 will output
 ```yaml
@@ -229,7 +227,7 @@ a: mike
 ```
 then
 ```bash
-yq 'explode(.a)' sample.yml
+yq eval 'explode(.a)' sample.yml
 ```
 will output
 ```yaml
@@ -245,7 +243,7 @@ f:
 ```
 then
 ```bash
-yq 'explode(.f)' sample.yml
+yq eval 'explode(.f)' sample.yml
 ```
 will output
 ```yaml
@@ -278,7 +276,7 @@ foobar:
 ```
 then
 ```bash
-yq 'explode(.)' sample.yml
+yq eval 'explode(.)' sample.yml
 ```
 will output
 ```yaml
@@ -301,33 +299,3 @@ foobar:
   thing: foobar_thing
 ```
 
-## Dereference and update a field
-Use explode with multiply to dereference an object
-
-Given a sample.yml file of:
-```yaml
-item_value: &item_value
-  value: true
-thingOne:
-  name: item_1
-  !!merge <<: *item_value
-thingTwo:
-  name: item_2
-  !!merge <<: *item_value
-```
-then
-```bash
-yq '.thingOne |= explode(.) * {"value": false}' sample.yml
-```
-will output
-```yaml
-item_value: &item_value
-  value: true
-thingOne:
-  name: item_1
-  value: false
-thingTwo:
-  name: item_2
-  !!merge <<: *item_value
-```
-