Update code.gitea.io/git (#3251)

vendor/code.gitea.io/git/commit_info.go

@@ -207,6 +207,10 @@ func getCommitsInfo(state *getCommitsInfoState) error {
 	if err := cmd.Start(); err != nil {
 		return err
 	}
+	// it's okay to ignore the error returned by cmd.Wait(); we expect the
+	// subprocess to sometimes have a non-zero exit status, since we may
+	// prematurely close stdout, resulting in a broken pipe.
+	defer cmd.Wait()
 
 	numThreads := runtime.NumCPU()
 	done := make(chan error, numThreads)
@@ -216,6 +220,14 @@ func getCommitsInfo(state *getCommitsInfoState) error {
 
 	scanner := bufio.NewScanner(readCloser)
 	err = state.processGitLogOutput(scanner)
+
+	// it is important that we close stdout here; if we do not close
+	// stdout, the subprocess will keep running, and the deffered call
+	// cmd.Wait() may block for a long time.
+	if closeErr := readCloser.Close(); closeErr != nil && err == nil {
+		err = closeErr
+	}
+
 	for i := 0; i < numThreads; i++ {
 		doneErr := <-done
 		if doneErr != nil && err == nil {

vendor/vendor.json

@@ -3,10 +3,10 @@
 	"ignore": "test appengine",
 	"package": [
 		{
-			"checksumSHA1": "4OG03XZWTU5eUkWPTOwIB6H4BF0=",
+			"checksumSHA1": "Em29XiKkOh5rFFXdkCjqqsQ7fe4=",
 			"path": "code.gitea.io/git",
-			"revision": "4573c63ec9c8257caf11e361c238b6ceb53781d7",
-			"revisionTime": "2017-12-20T02:56:39Z"
+			"revision": "4ec3654064ef7eef4f05f891073a38039ad8d0f7",
+			"revisionTime": "2017-12-22T02:43:26Z"
 		},
 		{
 			"checksumSHA1": "QQ7g7B9+EIzGjO14KCGEs9TNEzM=",