1 files changed, 12 insertions, 0 deletions
diff --git a/models/repo/wiki.go b/models/repo/wiki.go
index 72ec7c394b..c8886eaa34 100644
--- a/models/repo/wiki.go
+++ b/models/repo/wiki.go
@@ -30,6 +30,10 @@ func (err ErrWikiAlreadyExist) Error() string {
 	return fmt.Sprintf("wiki page already exists [title: %s]", err.Title)
 }
 
+func (err ErrWikiAlreadyExist) Unwrap() error {
+	return util.ErrAlreadyExist
+}
+
 // ErrWikiReservedName represents a reserved name error.
 type ErrWikiReservedName struct {
 	Title string
@@ -45,6 +49,10 @@ func (err ErrWikiReservedName) Error() string {
 	return fmt.Sprintf("wiki title is reserved: %s", err.Title)
 }
 
+func (err ErrWikiReservedName) Unwrap() error {
+	return util.ErrInvalidArgument
+}
+
 // ErrWikiInvalidFileName represents an invalid wiki file name.
 type ErrWikiInvalidFileName struct {
 	FileName string
@@ -60,6 +68,10 @@ func (err ErrWikiInvalidFileName) Error() string {
 	return fmt.Sprintf("Invalid wiki filename: %s", err.FileName)
 }
 
+func (err ErrWikiInvalidFileName) Unwrap() error {
+	return util.ErrInvalidArgument
+}
+
 // WikiCloneLink returns clone URLs of repository wiki.
 func (repo *Repository) WikiCloneLink() *CloneLink {
 	return repo.cloneLink(true)