| 73 | var commitSHA = regexp.MustCompile(`^[a-f0-9]{40}$`) |
| 74 | |
| 75 | func (g gitRemoteLoader) Load(ctx context.Context, path string) (string, error) { |
| 76 | enabled, err := gitRemoteLoaderEnabled() |
| 77 | if err != nil { |
| 78 | return "", err |
| 79 | } |
| 80 | if !enabled { |
| 81 | return "", fmt.Errorf("git remote resource is disabled by %q", GIT_REMOTE_ENABLED) |
| 82 | } |
| 83 | |
| 84 | ref, _, err := gitutil.ParseGitRef(path) |
| 85 | if err != nil { |
| 86 | return "", err |
| 87 | } |
| 88 | |
| 89 | local, ok := g.known[path] |
| 90 | if !ok { |
| 91 | if ref.Ref == "" { |
| 92 | ref.Ref = "HEAD" // default branch |
| 93 | } |
| 94 | |
| 95 | err = g.resolveGitRef(ctx, path, ref) |
| 96 | if err != nil { |
| 97 | return "", err |
| 98 | } |
| 99 | |
| 100 | cache, err := cacheDir() |
| 101 | if err != nil { |
| 102 | return "", fmt.Errorf("initializing remote resource cache: %w", err) |
| 103 | } |
| 104 | |
| 105 | local = filepath.Join(cache, ref.Ref) |
| 106 | if _, err := os.Stat(local); os.IsNotExist(err) { |
| 107 | if g.offline { |
| 108 | return "", nil |
| 109 | } |
| 110 | err = g.checkout(ctx, local, ref) |
| 111 | if err != nil { |
| 112 | return "", err |
| 113 | } |
| 114 | } |
| 115 | g.known[path] = local |
| 116 | } |
| 117 | if ref.SubDir != "" { |
| 118 | if err := validateGitSubDir(local, ref.SubDir); err != nil { |
| 119 | return "", err |
| 120 | } |
| 121 | local = filepath.Join(local, ref.SubDir) |
| 122 | } |
| 123 | stat, err := os.Stat(local) |
| 124 | if err != nil { |
| 125 | return "", err |
| 126 | } |
| 127 | if stat.IsDir() { |
| 128 | local, err = findFile(cli.DefaultFileNames, local) |
| 129 | } |
| 130 | return local, err |
| 131 | } |
| 132 | |