yq/.github/workflows/docker-githubaction.yml

name: Release Docker GitHub Action

on:
  workflow_dispatch:

permissions: {}

jobs:
  publishGithubActionDocker:
    environment: dockerhub
    env:
      IMAGE_NAME: mikefarah/yq
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
    steps:
      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3

      - name: Set up QEMU
        uses: docker/setup-qemu-action@06116385d9baf250c9f4dcb4858b16962ea869c3 # v4.1.0
        with:
          platforms: all

      - name: Set up Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@d7f5e7f509e45cec5c76c4d5afdd7de93d0b3df5 # v4.1.0
        with:
          version: latest

      - name: Verify Dockerfile base image digest matches yq:4
        run: |
          PINNED_DIGEST=$(grep -oE 'sha256:[a-f0-9]{64}' github-action/Dockerfile | head -1)
          if [ -z "${PINNED_DIGEST}" ]; then
            echo "::error::Could not find a sha256 digest in github-action/Dockerfile"
            exit 1
          fi

          LATEST_DIGEST=$(docker buildx imagetools inspect "${IMAGE_NAME}:4" --format '{{printf "%s" .Manifest.Digest}}')

          echo "Dockerfile pins: ${PINNED_DIGEST}"
          echo "mikefarah/yq:4 is:  ${LATEST_DIGEST}"

          if [ "${PINNED_DIGEST}" != "${LATEST_DIGEST}" ]; then
            echo "::error::github-action/Dockerfile digest does not match the current mikefarah/yq:4 image"
            echo "Update the FROM line in github-action/Dockerfile to:"
            echo "  FROM mikefarah/yq:4@${LATEST_DIGEST}"
            exit 1
          fi          

      - name: Resolve version from yq:4
        run: |
          IMAGE_VERSION=$(docker run --rm "${IMAGE_NAME}:4" --version | awk '{print $NF}' | sed 's/^v//')
          if [ -z "${IMAGE_VERSION}" ]; then
            echo "::error::Could not determine yq version from ${IMAGE_NAME}:4"
            exit 1
          fi
          echo "Resolved yq version: ${IMAGE_VERSION}"
          echo "IMAGE_VERSION=${IMAGE_VERSION}" >> "${GITHUB_ENV}"          

      - name: Login to Docker Hub
        uses: docker/login-action@650006c6eb7dba73a995cc03b0b2d7f5ca915bee # v4.2.0
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      - name: Login to GitHub Container Registry
        uses: docker/login-action@650006c6eb7dba73a995cc03b0b2d7f5ca915bee # v4.2.0
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and push github-action image
        working-directory: github-action
        run: |
          PLATFORMS="linux/amd64,linux/ppc64le,linux/arm64,linux/arm/v7,linux/s390x"

          echo "Building and pushing github-action image for version ${IMAGE_VERSION}"
          docker buildx build \
            --label "org.opencontainers.image.authors=https://github.com/mikefarah/yq/graphs/contributors" \
            --label "org.opencontainers.image.created=$(date --rfc-3339=seconds)" \
            --label "org.opencontainers.image.description=yq is a portable command-line data file 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 "${IMAGE_NAME}:latest-githubaction" \
            -t "ghcr.io/${IMAGE_NAME}:${IMAGE_VERSION}-githubaction" \
            -t "ghcr.io/${IMAGE_NAME}:4-githubaction" \
            -t "ghcr.io/${IMAGE_NAME}:latest-githubaction" \
            .          

      - name: Report action.yml digest to pin
        run: |
          GITHUBACTION_DIGEST=$(docker buildx imagetools inspect "${IMAGE_NAME}:4-githubaction" --format '{{printf "%s" .Manifest.Digest}}')
          echo "Published ${IMAGE_NAME}:4-githubaction at ${GITHUBACTION_DIGEST}"
          echo "Update action.yml image to:"
          echo "  docker://${IMAGE_NAME}:4-githubaction@${GITHUBACTION_DIGEST}"