yq/cmd/compare.go

package cmd

// import (
// 	"bufio"
// 	"bytes"
// 	"os"
// 	"strings"

// 	"github.com/kylelemons/godebug/diff"
// 	"github.com/mikefarah/yq/v3/pkg/yqlib"
// 	errors "github.com/pkg/errors"
// 	"github.com/spf13/cobra"
// )

// // turn off for unit tests :(
// var forceOsExit = true

// func createCompareCmd() *cobra.Command {
// 	var cmdCompare = &cobra.Command{
// 		Use:     "compare [yaml_file_a] [yaml_file_b]",
// 		Aliases: []string{"x"},
// 		Short:   "yq x [--prettyPrint/-P] dataA.yaml dataB.yaml 'b.e(name==fr*).value'",
// 		Example: `
// yq x - data2.yml # reads from stdin
// yq x -pp dataA.yaml dataB.yaml '**' # compare paths
// yq x -d1 dataA.yaml dataB.yaml 'a.b.c'
// `,
// 		Long: "Deeply compares two yaml files, prints the difference. Use with prettyPrint flag to ignore formatting differences.",
// 		RunE: compareDocuments,
// 	}
// 	cmdCompare.PersistentFlags().StringVarP(&docIndex, "doc", "d", "0", "process document index number (0 based, * for all documents)")
// 	cmdCompare.PersistentFlags().StringVarP(&printMode, "printMode", "p", "v", "print mode (v (values, default), p (paths), pv (path and value pairs)")
// 	cmdCompare.PersistentFlags().StringVarP(&defaultValue, "defaultValue", "D", "", "default value printed when there are no results")
// 	cmdCompare.PersistentFlags().BoolVarP(&stripComments, "stripComments", "", false, "strip comments out before comparing")
// 	cmdCompare.PersistentFlags().BoolVarP(&explodeAnchors, "explodeAnchors", "X", false, "explode anchors")
// 	return cmdCompare
// }

// func compareDocuments(cmd *cobra.Command, args []string) error {
// 	var path = ""

// 	if len(args) < 2 {
// 		return errors.New("Must provide at 2 yaml files")
// 	} else if len(args) > 2 {
// 		path = args[2]
// 	}

// 	var updateAll, docIndexInt, errorParsingDocIndex = parseDocumentIndex()
// 	if errorParsingDocIndex != nil {
// 		return errorParsingDocIndex
// 	}

// 	var matchingNodesA []*yqlib.NodeContext
// 	var matchingNodesB []*yqlib.NodeContext
// 	var errorDoingThings error

// 	matchingNodesA, errorDoingThings = readYamlFile(args[0], path, updateAll, docIndexInt)

// 	if errorDoingThings != nil {
// 		return errorDoingThings
// 	}

// 	matchingNodesB, errorDoingThings = readYamlFile(args[1], path, updateAll, docIndexInt)
// 	if errorDoingThings != nil {
// 		return errorDoingThings
// 	}

// 	var dataBufferA bytes.Buffer
// 	var dataBufferB bytes.Buffer
// 	errorDoingThings = printResults(matchingNodesA, bufio.NewWriter(&dataBufferA))
// 	if errorDoingThings != nil {
// 		return errorDoingThings
// 	}
// 	errorDoingThings = printResults(matchingNodesB, bufio.NewWriter(&dataBufferB))
// 	if errorDoingThings != nil {
// 		return errorDoingThings
// 	}

// 	diffString := diff.Diff(strings.TrimSuffix(dataBufferA.String(), "\n"), strings.TrimSuffix(dataBufferB.String(), "\n"))

// 	if len(diffString) > 1 {
// 		cmd.Print(diffString)
// 		cmd.Print("\n")
// 		if forceOsExit {
// 			os.Exit(1)
// 		}
// 	}
// 	return nil
// }