1 files changed, 20 insertions, 0 deletions
diff --git a/models/errors/issue.go b/models/errors/issue.go
new file mode 100644
index 00000000..4ea898fb
--- /dev/null
+++ b/models/errors/issue.go
@@ -0,0 +1,20 @@
+// Copyright 2017 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 errors
+
+import "fmt"
+
+type InvalidIssueReference struct {
+	Ref string
+}
+
+func IsInvalidIssueReference(err error) bool {
+	_, ok := err.(InvalidIssueReference)
+	return ok
+}
+
+func (err InvalidIssueReference) Error() string {
+	return fmt.Sprintf("invalid issue reference [ref: %s]", err.Ref)
+}