Method UpdateFile

internal/git/operations.go:63–72

UpdateFile is a convenience method to get the contents of a file, pass it to a callback, write the contents back to the file if no error was returned, and stage the file.

(filename string, cb func([]byte) ([]byte, error))

// to a callback, write the contents back to the file if no error was
// returned, and stage the file.
func (r *Repository) UpdateFile(filename string, cb func([]byte) ([]byte, error)) error {
	data, _ := r.GetFile(filename)

	data, err := cb(data)
	if err != nil {
		return err
	}

	return r.CreateFile(filename, data)
}

// Commit is a convenience method to make working with the worktree a little
// bit easier.