Function DigestAlgForRef

pkg/cmd/release/shared/fetch.go:177–184

DigestAlgForRef returns the digest algorithm name corresponding to the given git ref SHA. SHA-1 git object IDs are 40 hex characters and SHA-256 git object IDs are 64 hex characters. Unknown lengths default to "sha1" to preserve backwards-compatible behavior.

(digest string)

// object IDs are 64 hex characters. Unknown lengths default to "sha1" to
// preserve backwards-compatible behavior.
func DigestAlgForRef(digest string) string {
	switch len(digest) {
	case 64:
		return "sha256"
	default:
		return "sha1"
	}
}

// FetchRelease finds a published repository release by its tagName, or a draft release by its pending tag name.
func FetchRelease(ctx context.Context, httpClient *http.Client, repo ghrepo.Interface, tagName string) (*Release, error) {