Function createCacheDir

private/buf/bufcli/cache.go:370–399

(baseCacheDirPath string, relDirPath string)

}

func createCacheDir(baseCacheDirPath string, relDirPath string) error {
	baseCacheDirPath = normalpath.Unnormalize(baseCacheDirPath)
	relDirPath = normalpath.Unnormalize(relDirPath)
	fullDirPath := filepath.Join(baseCacheDirPath, relDirPath)
	// OK to use os.Stat instead of os.LStat here as this is CLI-only
	fileInfo, err := os.Stat(fullDirPath)
	if err != nil {
		if errors.Is(err, fs.ErrNotExist) {
			return os.MkdirAll(fullDirPath, 0755)
		}
		return err
	}
	if !fileInfo.IsDir() {
		return fmt.Errorf(
			"Expected %q to be a directory. This is used for buf's cache. "+
				"You can override the base cache directory %q by setting the $BUF_CACHE_DIR environment variable.",
			fullDirPath,
			baseCacheDirPath,
		)
	}
	if fileInfo.Mode().Perm()&0700 != 0700 {
		return fmt.Errorf(
			"Expected %q to be a writeable directory. This is used for buf's cache. "+
				"You can override the base cache directory %q by setting the $BUF_CACHE_DIR environment variable.",
			fullDirPath,
			baseCacheDirPath,
		)
	}
	return nil
}