1 files changed, 19 insertions, 0 deletions
diff --git a/internal/gitutil/error.go b/internal/gitutil/error.go
new file mode 100644
index 00000000..08575ec3
--- /dev/null
+++ b/internal/gitutil/error.go
@@ -0,0 +1,19 @@
+// Copyright 2020 The Gogs Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package gitutil
+
+import (
+	"github.com/gogs/git-module"
+)
+
+// IsErrRevisionNotExist returns true if the error is git.ErrRevisionNotExist.
+func IsErrRevisionNotExist(err error) bool {
+	return err == git.ErrRevisionNotExist
+}
+
+// IsErrNoMergeBase returns true if the error is git.ErrNoMergeBase.
+func IsErrNoMergeBase(err error) bool {
+	return err == git.ErrNoMergeBase
+}