for j, hvt := range hv {
			if hvt != kv[j] {
				return false
			}
		}
	}

	return true
}

// canonFileName strips everything before "/src/" from a filename.
// This makes file names portable across different machines,
// home directories, and temporary directories.
func canonFileName(f string) string {
	i := strings.Index(f, "/src/")
	if i != -1 {
		f = f[i+1:]
	}
	return f
}