1 files changed, 22 insertions, 0 deletions
diff --git a/modules/git/error.go b/modules/git/error.go
new file mode 100644
index 00000000..c86c56e5
--- /dev/null
+++ b/modules/git/error.go
@@ -0,0 +1,22 @@
+// Copyright 2015 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 git
+
+import (
+	"fmt"
+)
+
+type ErrUnsupportedVersion struct {
+	Required string
+}
+
+func IsErrUnsupportedVersion(err error) bool {
+	_, ok := err.(ErrUnsupportedVersion)
+	return ok
+}
+
+func (err ErrUnsupportedVersion) Error() string {
+	return fmt.Sprintf("Operation requires higher version [required: %s]", err.Required)
+}