Reserve user/repo pattern for rss feature (#16323)

models/repo.go

@@ -1035,7 +1035,7 @@ func GetRepoInitFile(tp, name string) ([]byte, error) {
 
 var (
 	reservedRepoNames    = []string{".", ".."}
-	reservedRepoPatterns = []string{"*.git", "*.wiki"}
+	reservedRepoPatterns = []string{"*.git", "*.wiki", "*.rss", "*.atom"}
 )
 
 // IsUsableRepoName returns true when repository is usable

models/user.go

@@ -814,7 +814,7 @@ var (
 		"user",
 	}
 
-	reservedUserPatterns = []string{"*.keys", "*.gpg"}
+	reservedUserPatterns = []string{"*.keys", "*.gpg", "*.rss", "*.atom"}
 )
 
 // isUsableName checks if name is reserved or pattern of name is not allowed