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package cmd |
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3
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import ( |
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4
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"fmt" |
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5
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"io" |
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6
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7
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"github.com/pkg/errors" |
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"github.com/sergi/go-diff/diffmatchpatch" |
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9
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"github.com/spf13/cobra" |
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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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12
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) |
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13
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14
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func NewResultDiffCommand(out io.Writer) (*cobra.Command, error) { |
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15
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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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21
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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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err := cmd.MarkFlagFilename(flagResultDiffFirstFile) |
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if err != nil { |
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return nil, err |
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} |
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32
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err = cmd.MarkFlagRequired(flagResultDiffFirstFile) |
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if err != nil { |
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return nil, err |
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} |
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36
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37
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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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err = cmd.MarkFlagFilename(flagResultDiffSecondFile) |
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if err != nil { |
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return nil, err |
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46
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} |
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47
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48
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err = cmd.MarkFlagRequired(flagResultDiffSecondFile) |
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if err != nil { |
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return nil, err |
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} |
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return cmd, nil |
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54
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} |
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56
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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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60
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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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64
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65
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secondResultFilePath := cmd.Flag(flagResultDiffSecondFile).Value.String() |
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66
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67
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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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72
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treeProducer := tree.NewResultTreeProducer() |
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74
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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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80
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81
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if isEqual(diffs) { |
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return errors.New("no diffs found") |
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83
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} |
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84
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85
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_, err = fmt.Fprintln(out, differ.DiffPrettyText(diffs)) |
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86
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87
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return errors.Wrap(err, "failed to print results diff") |
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88
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} |
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89
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} |
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90
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91
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func isEqual(diffs []diffmatchpatch.Diff) bool { |
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92
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if len(diffs) != 1 { |
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return false |
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94
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} |
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95
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96
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diff := diffs[0] |
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97
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if diff.Type == diffmatchpatch.DiffEqual { |
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98
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return true |
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} |
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100
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101
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return false |
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102
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} |
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103
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stefanoj3 /
dirstalk
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