pull/174/head
Daniel Wagner-Hall 9 years ago
parent e045f28b44
commit 866fa58276

@ -148,7 +148,8 @@ func (s *server) updateBase() error {
return runGitCommand(s.matrixDocCloneURL, []string{"fetch"})
}
func (s *server) knowsAbout(sha string) bool {
// canCheckout returns whether a given sha can currently be checked out from s.matrixDocCloneURL.
func (s *server) canCheckout(sha string) bool {
s.mu.Lock()
defer s.mu.Unlock()
return runGitCommand(s.matrixDocCloneURL, []string{"cat-file", "-e", sha + "^{commit}"}) == nil
@ -157,7 +158,7 @@ func (s *server) knowsAbout(sha string) bool {
// generateAt generates spec from repo at sha.
// Returns the path where the generation was done.
func (s *server) generateAt(sha string) (dst string, err error) {
if !s.knowsAbout(sha) {
if !s.canCheckout(sha) {
err = s.updateBase()
if err != nil {
return

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