minor fix on #1589

Signed-off-by: Unknwon <u@gogs.io>

models/repo.go

@@ -472,8 +472,12 @@ func MigrateRepository(u *User, name, desc string, private, mirror bool, url str
 
 	// Check if repository is empty.
 	_, stderr, err = com.ExecCmdDir(repoPath, "git", "log", "-1")
-	if err != nil && strings.Contains(stderr, "fatal: bad default revision 'HEAD'") {
-		repo.IsBare = true
+	if err != nil {
+		if strings.Contains(stderr, "fatal: bad default revision 'HEAD'") {
+			repo.IsBare = true
+		} else {
+			return repo, fmt.Errorf("check bare: %v - %s", err, stderr)
+		}
 	}
 
 	// Check if repository has master branch, if so set it to default branch.

models/user.go

@@ -231,28 +231,27 @@ func (u *User) UploadAvatar(data []byte) error {
 	if err != nil {
 		return err
 	}
+
 	m := resize.Resize(234, 234, img, resize.NearestNeighbor)
 
 	sess := x.NewSession()
-	defer sess.Close()
+	defer sessionRelease(sess)
 	if err = sess.Begin(); err != nil {
 		return err
 	}
 
 	if _, err = sess.Id(u.Id).AllCols().Update(u); err != nil {
-		sess.Rollback()
 		return err
 	}
 
 	os.MkdirAll(setting.AvatarUploadPath, os.ModePerm)
 	fw, err := os.Create(u.CustomAvatarPath())
 	if err != nil {
-		sess.Rollback()
 		return err
 	}
 	defer fw.Close()
+
 	if err = jpeg.Encode(fw, m, nil); err != nil {
-		sess.Rollback()
 		return err
 	}