mirror of
https://github.com/mikefarah/yq.git
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90 lines
2.7 KiB
Go
90 lines
2.7 KiB
Go
package cmd
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import (
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"bufio"
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"bytes"
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"os"
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"strings"
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"github.com/kylelemons/godebug/diff"
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"github.com/mikefarah/yq/v3/pkg/yqlib"
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errors "github.com/pkg/errors"
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"github.com/spf13/cobra"
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)
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// turn off for unit tests :(
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var forceOsExit = true
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func createCompareCmd() *cobra.Command {
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var cmdCompare = &cobra.Command{
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Use: "compare [yaml_file_a] [yaml_file_b]",
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Aliases: []string{"x"},
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Short: "yq x [--prettyPrint/-P] dataA.yaml dataB.yaml 'b.e(name==fr*).value'",
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Example: `
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yq x - data2.yml # reads from stdin
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yq x -pp dataA.yaml dataB.yaml '**' # compare paths
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yq x -d1 dataA.yaml dataB.yaml 'a.b.c'
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`,
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Long: "Deeply compares two yaml files, prints the difference. Use with prettyPrint flag to ignore formatting differences.",
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RunE: compareDocuments,
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}
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cmdCompare.PersistentFlags().StringVarP(&docIndex, "doc", "d", "0", "process document index number (0 based, * for all documents)")
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cmdCompare.PersistentFlags().StringVarP(&printMode, "printMode", "p", "v", "print mode (v (values, default), p (paths), pv (path and value pairs)")
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cmdCompare.PersistentFlags().StringVarP(&defaultValue, "defaultValue", "D", "", "default value printed when there are no results")
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cmdCompare.PersistentFlags().BoolVarP(&stripComments, "stripComments", "", false, "strip comments out before comparing")
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cmdCompare.PersistentFlags().BoolVarP(&explodeAnchors, "explodeAnchors", "X", false, "explode anchors")
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return cmdCompare
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}
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func compareDocuments(cmd *cobra.Command, args []string) error {
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var path = ""
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if len(args) < 2 {
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return errors.New("Must provide at 2 yaml files")
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} else if len(args) > 2 {
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path = args[2]
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}
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var updateAll, docIndexInt, errorParsingDocIndex = parseDocumentIndex()
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if errorParsingDocIndex != nil {
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return errorParsingDocIndex
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}
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var matchingNodesA []*yqlib.NodeContext
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var matchingNodesB []*yqlib.NodeContext
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var errorDoingThings error
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matchingNodesA, errorDoingThings = readYamlFile(args[0], path, updateAll, docIndexInt)
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if errorDoingThings != nil {
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return errorDoingThings
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}
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matchingNodesB, errorDoingThings = readYamlFile(args[1], path, updateAll, docIndexInt)
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if errorDoingThings != nil {
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return errorDoingThings
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}
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var dataBufferA bytes.Buffer
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var dataBufferB bytes.Buffer
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errorDoingThings = printResults(matchingNodesA, bufio.NewWriter(&dataBufferA))
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if errorDoingThings != nil {
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return errorDoingThings
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}
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errorDoingThings = printResults(matchingNodesB, bufio.NewWriter(&dataBufferB))
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if errorDoingThings != nil {
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return errorDoingThings
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}
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diffString := diff.Diff(strings.TrimSuffix(dataBufferA.String(), "\n"), strings.TrimSuffix(dataBufferB.String(), "\n"))
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if len(diffString) > 1 {
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cmd.Print(diffString)
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cmd.Print("\n")
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if forceOsExit {
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os.Exit(1)
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}
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}
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return nil
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}
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