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package cmd |
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import ( |
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"fmt" |
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"io" |
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"github.com/pkg/errors" |
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"github.com/sergi/go-diff/diffmatchpatch" |
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"github.com/spf13/cobra" |
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"github.com/stefanoj3/dirstalk/pkg/common" |
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"github.com/stefanoj3/dirstalk/pkg/result" |
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"github.com/stefanoj3/dirstalk/pkg/scan/summarizer/tree" |
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) |
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func NewResultDiffCommand(out io.Writer) *cobra.Command { |
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cmd := &cobra.Command{ |
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Use: "result.diff", |
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Short: "Prints differences between 2 result files", |
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RunE: buildResultDiffCmd(out), |
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} |
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cmd.Flags().StringP( |
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flagResultDiffFirstFile, |
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flagResultDiffFirstFileShort, |
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"", |
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"first result file to read", |
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) |
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common.Must(cmd.MarkFlagFilename(flagResultDiffFirstFile)) |
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common.Must(cmd.MarkFlagRequired(flagResultDiffFirstFile)) |
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cmd.Flags().StringP( |
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flagResultDiffSecondFile, |
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flagResultDiffSecondFileShort, |
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"", |
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"second result file to read", |
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) |
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common.Must(cmd.MarkFlagFilename(flagResultDiffSecondFile)) |
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common.Must(cmd.MarkFlagRequired(flagResultDiffSecondFile)) |
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return cmd |
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} |
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func buildResultDiffCmd(out io.Writer) func(cmd *cobra.Command, args []string) error { |
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return func(cmd *cobra.Command, args []string) error { |
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firstResultFilePath := cmd.Flag(flagResultDiffFirstFile).Value.String() |
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resultsFirst, err := result.LoadResultsFromFile(firstResultFilePath) |
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if err != nil { |
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return errors.Wrapf(err, "failed to load results from %s", firstResultFilePath) |
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} |
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secondResultFilePath := cmd.Flag(flagResultDiffSecondFile).Value.String() |
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resultsSecond, err := result.LoadResultsFromFile(secondResultFilePath) |
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if err != nil { |
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return errors.Wrapf(err, "failed to load results from %s", secondResultFilePath) |
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} |
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treeProducer := tree.NewResultTreeProducer() |
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differ := diffmatchpatch.New() |
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diffs := differ.DiffMain( |
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treeProducer.String(resultsFirst), |
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treeProducer.String(resultsSecond), |
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false, |
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) |
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if isEqual(diffs) { |
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return errors.New("no diffs found") |
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} |
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_, err = fmt.Fprintln(out, differ.DiffPrettyText(diffs)) |
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return errors.Wrap(err, "failed to print results diff") |
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} |
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} |
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func isEqual(diffs []diffmatchpatch.Diff) bool { |
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if len(diffs) != 1 { |
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return false |
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} |
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return diffs[0].Type == diffmatchpatch.DiffEqual |
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} |
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stefanoj3 /
dirstalk
