| // Copyright 2020 The Chromium OS Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| package remote |
| |
| import ( |
| "fmt" |
| "os/exec" |
| "strings" |
| ) |
| |
| // IsGoogleStorageURI returns whether the URI string points to a file in |
| // Google storage. |
| func IsGoogleStorageURI(uri string) bool { |
| return strings.HasPrefix(uri, "gs://") |
| } |
| |
| // FetchFromGS copies a file from Google Storage URI to a local path. |
| // Returns the output from command gsutil and an optional error. |
| func FetchFromGS(localPath, gsURI string) ([]byte, error) { |
| cmd := exec.Command("gsutil", "cp", gsURI, localPath) |
| result, err := cmd.CombinedOutput() |
| if err != nil { |
| return nil, fmt.Errorf("'gsutil cp' failed: err = %s", err) |
| } |
| return result, nil |
| } |
