Method gitGrep

internal/tool/code_search.go:136–229

(ctx context.Context, searchText string, caseSensitive bool, usePerlRegexp bool, pathspec []string)

}

func (p *CodeSearchProvider) gitGrep(ctx context.Context, searchText string, caseSensitive bool, usePerlRegexp bool, pathspec []string) (string, error) {
	cmdArgs := p.buildGrepArgs(searchText, caseSensitive, usePerlRegexp, false, pathspec)
	if cmdArgs == nil {
		return "Error: ref must not start with '-'", nil
	}

	outStr, errStr, err := p.runGitGrep(ctx, cmdArgs)

	// Non-git directory: `git grep` exits 128 with "not a git repository".
	// `ocr scan` supports plain directories, so retry in --no-index mode, which
	// searches the working tree directly while still honoring .gitignore.
	// Ref-based search needs a real repo, so it is not retried.
	if err != nil && p.FileReader.Ref == "" && isNotGitRepoError(err, errStr) {
		cmdArgs = p.buildGrepArgs(searchText, caseSensitive, usePerlRegexp, true, pathspec)
		outStr, errStr, err = p.runGitGrep(ctx, cmdArgs)
	}

	if err != nil {
		if errors.Is(err, context.DeadlineExceeded) {
			return "code_search timed out. Try narrowing file_patterns to a more specific path.", nil
		}
		if errors.Is(err, context.Canceled) {
			return "", err
		}
		if outStr == "" {
			if errStr == "" {
				return "No matches found", nil
			}
			return fmt.Sprintf("Error: %s", strings.TrimSpace(errStr)), nil
		}
	}

	lines := strings.Split(strings.TrimRight(outStr, "\n"), "\n")
	truncated := len(lines) >= gitGrepMaxCount

	type match struct {
		lineNum int
		content string
	}
	fileMatches := make(map[string][]match)
	var fileOrder []string
	seen := make(map[string]bool)

	hasRef := p.FileReader.Ref != ""
	splitN := 3
	offset := 0
	if hasRef {
		splitN = 4
		offset = 1
	}

	var sb strings.Builder
	if truncated {
		sb.WriteString(fmt.Sprintf("Note: The results have been truncated. Only showing first %d results.\n", gitGrepMaxCount))
	}

	for _, line := range lines {
		if line == "" {