Function ReplaceInFilePartial

pkg/util/fileutil/fileutil.go:371–397

ReplaceInFilePartial applies edits incrementally up to the first failure. Returns the results for each edit and writes the partially modified content.

(filePath string, edits []EditSpec)

// ReplaceInFilePartial applies edits incrementally up to the first failure.
// Returns the results for each edit and writes the partially modified content.
func ReplaceInFilePartial(filePath string, edits []EditSpec) ([]EditResult, error) {
	fileInfo, err := os.Stat(filePath)
	if err != nil {
		return nil, fmt.Errorf("failed to stat file: %w", err)
	}

	if !fileInfo.Mode().IsRegular() {
		return nil, fmt.Errorf("not a regular file: %s", filePath)
	}

	if fileInfo.Size() > MaxEditFileSize {
		return nil, fmt.Errorf("file too large for editing: %d bytes (max: %d)", fileInfo.Size(), MaxEditFileSize)
	}

	contents, err := os.ReadFile(filePath)
	if err != nil {
		return nil, fmt.Errorf("failed to read file: %w", err)
	}

	modifiedContents, results := ApplyEditsPartial(contents, edits)

	if err := os.WriteFile(filePath, modifiedContents, fileInfo.Mode()); err != nil {
		return nil, fmt.Errorf("failed to write file: %w", err)
	}

	return results, nil
}