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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,111 @@ | ||
| package git | ||
|
Check failure on line 1 in modules/git/grep.go
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| import ( | ||
| "bufio" | ||
| "context" | ||
| "fmt" | ||
| "io" | ||
| "os" | ||
| "strconv" | ||
| "strings" | ||
|
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| "code.gitea.io/gitea/modules/util" | ||
| ) | ||
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| type GrepResult struct { | ||
| Filename string | ||
| LineNumbers []int | ||
| LineCodes []string | ||
| } | ||
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| type GrepOptions struct { | ||
| RefName string | ||
| ContextLineNumber int | ||
| IsFuzzy bool | ||
| } | ||
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| func GrepSearch(ctx context.Context, repo *Repository, search string, opts GrepOptions) ([]*GrepResult, error) { | ||
| stdoutReader, stdoutWriter, err := os.Pipe() | ||
| if err != nil { | ||
| return nil, fmt.Errorf("unable to creata os pipe to grep: %w", err) | ||
| } | ||
| stderrReader, stderrWriter, err := os.Pipe() | ||
| if err != nil { | ||
| return nil, fmt.Errorf("unable to creata os pipe to grep: %w", err) | ||
| } | ||
| defer func() { | ||
| _ = stdoutReader.Close() | ||
| _ = stdoutWriter.Close() | ||
| _ = stderrReader.Close() | ||
| _ = stderrWriter.Close() | ||
| }() | ||
|
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| /* | ||
| The output is like this ( "^@" means \x00): | ||
| HEAD:.air.toml | ||
| 6^@bin = "gitea" | ||
| HEAD:.changelog.yml | ||
| 2^@repo: go-gitea/gitea | ||
| */ | ||
| var stderr []byte | ||
| var results []*GrepResult | ||
| cmd := NewCommand(ctx, "grep", "--null", "--break", "--heading", "--fixed-strings", "--line-number", "--ignore-case", "--full-name") | ||
| cmd.AddOptionValues("--context", fmt.Sprint(opts.ContextLineNumber)) | ||
| if opts.IsFuzzy { | ||
| words := strings.Fields(search) | ||
| for _, word := range words { | ||
| cmd.AddOptionValues("-e", word) | ||
| } | ||
| } else { | ||
| cmd.AddOptionValues("-e", search) | ||
| } | ||
| cmd.AddDynamicArguments(util.IfZero(opts.RefName, "HEAD")) | ||
| err = cmd.Run(&RunOpts{ | ||
| Dir: repo.Path, | ||
| Stdout: stdoutWriter, | ||
| PipelineFunc: func(ctx context.Context, cancel context.CancelFunc) error { | ||
| _ = stdoutWriter.Close() | ||
| _ = stderrWriter.Close() | ||
| defer stdoutReader.Close() | ||
| defer stderrReader.Close() | ||
|
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| isInBlock := false | ||
| scanner := bufio.NewScanner(stdoutReader) | ||
| var res *GrepResult | ||
| for scanner.Scan() { | ||
| line := scanner.Text() | ||
| if !isInBlock { | ||
| if _ /* ref */, filename, ok := strings.Cut(line, ":"); ok { | ||
| isInBlock = true | ||
| res = &GrepResult{Filename: filename} | ||
| results = append(results, res) | ||
| } | ||
| continue | ||
| } | ||
| if line == "" { | ||
| if len(results) >= 50 { | ||
| break | ||
| } | ||
| isInBlock = false | ||
| continue | ||
| } | ||
| if line == "--" { | ||
| continue | ||
| } | ||
| if lineNum, lineCode, ok := strings.Cut(line, "\x00"); ok { | ||
| lineNumInt, _ := strconv.Atoi(lineNum) | ||
| res.LineNumbers = append(res.LineNumbers, lineNumInt) | ||
| res.LineCodes = append(res.LineCodes, lineCode) | ||
| } | ||
| } | ||
| stderr, _ = io.ReadAll(stderrReader) | ||
| return scanner.Err() | ||
| }, | ||
| }) | ||
| if err != nil && len(stderr) != 0 { | ||
| return nil, fmt.Errorf("unable to run grep: %w, stderr: %s", err, string(stderr)) | ||
| } | ||
| return results, nil | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,34 @@ | ||
| package git | ||
|
Check failure on line 1 in modules/git/grep_test.go
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| import ( | ||
| "context" | ||
| "path/filepath" | ||
| "testing" | ||
|
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| "github.com/stretchr/testify/assert" | ||
| ) | ||
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| func TestGrepSearch(t *testing.T) { | ||
| repo, err := openRepositoryWithDefaultContext(filepath.Join(testReposDir, "language_stats_repo")) | ||
| assert.NoError(t, err) | ||
| defer repo.Close() | ||
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| res, err := GrepSearch(context.Background(), repo, "void", GrepOptions{}) | ||
| assert.NoError(t, err) | ||
| assert.Equal(t, []*GrepResult{ | ||
| { | ||
| Filename: "java-hello/main.java", | ||
| LineNumbers: []int{3}, | ||
| LineCodes: []string{" public static void main(String[] args)"}, | ||
| }, | ||
| { | ||
| Filename: "main.vendor.java", | ||
| LineNumbers: []int{3}, | ||
| LineCodes: []string{" public static void main(String[] args)"}, | ||
| }, | ||
| }, res) | ||
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| res, err = GrepSearch(context.Background(), repo, "no-such-content", GrepOptions{}) | ||
| assert.NoError(t, err) | ||
| assert.Len(t, res, 0) | ||
| } | ||
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