Function parseDiffStderr

git/api/diff.go:736–753

(stderr *bytes.Buffer)

}

func parseDiffStderr(stderr *bytes.Buffer) error {
	errRaw := stderr.String() // assume there will never be a lot of output to stdout
	if len(errRaw) == 0 {
		return nil
	}

	if idx := strings.IndexByte(errRaw, '\n'); idx > 0 {
		errRaw = errRaw[:idx] // get only the first line of the output
	}

	errRaw = strings.TrimPrefix(errRaw, "fatal: ") // git errors start with the "fatal: " prefix

	if strings.Contains(errRaw, "bad revision") {
		return parser.ErrSHADoesNotMatch
	}

	return errors.New(errRaw)
}