Function EditTextFileDryRun

pkg/aiusechat/tools_writefile.go:273–309

EditTextFileDryRun applies edits to a file and returns the original and modified content without writing to disk. Takes the same input format as editTextFileCallback.

(input any, fileOverride string)

// EditTextFileDryRun applies edits to a file and returns the original and modified content
// without writing to disk. Takes the same input format as editTextFileCallback.
func EditTextFileDryRun(input any, fileOverride string) ([]byte, []byte, error) {
	params, err := parseEditTextFileInput(input)
	if err != nil {
		return nil, nil, err
	}

	expandedPath, err := wavebase.ExpandHomeDir(params.Filename)
	if err != nil {
		return nil, nil, fmt.Errorf("failed to expand path: %w", err)
	}

	if !filepath.IsAbs(expandedPath) {
		return nil, nil, fmt.Errorf("path must be absolute, got relative path: %s", params.Filename)
	}

	_, err = validateTextFile(expandedPath, "edit", true)
	if err != nil {
		return nil, nil, err
	}

	readPath := expandedPath
	if fileOverride != "" {
		readPath = fileOverride
	}

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

	modifiedContent, err := fileutil.ApplyEdits(originalContent, params.Edits)
	if err != nil {
		return nil, nil, err
	}

	return originalContent, modifiedContent, nil
}

func editTextFileCallback(input any, toolUseData *uctypes.UIMessageDataToolUse) (any, error) {
	params, err := parseEditTextFileInput(input)