Do not add prefix on http/https submodule links (#12477)

Fix #12345

Signed-off-by: Andrew Thornton <art27@cantab.net>

modules/git/submodule.go

@@ -97,13 +97,13 @@ func getRefURL(refURL, urlPrefix, repoFullName string) string {
 
 	for _, scheme := range supportedSchemes {
 		if ref.Scheme == scheme {
-			if urlPrefixHostname == refHostname {
+			if ref.Scheme == "http" || ref.Scheme == "https" {
-				return urlPrefix + path.Clean(path.Join("/", ref.Path))
-			} else if ref.Scheme == "http" || ref.Scheme == "https" {
 				if len(ref.User.Username()) > 0 {
 					return ref.Scheme + "://" + fmt.Sprintf("%v", ref.User) + "@" + ref.Host + ref.Path
 				}
 				return ref.Scheme + "://" + ref.Host + ref.Path
+			} else if urlPrefixHostname == refHostname {
+				return urlPrefix + path.Clean(path.Join("/", ref.Path))
 			} else {
 				return "http://" + refHostname + ref.Path
 			}

modules/git/submodule_test.go

@@ -28,6 +28,7 @@ func TestGetRefURL(t *testing.T) {
 		{"git://git@try.gitea.io:9999/go-gitea/gitea", "https://try.gitea.io/", "go-gitea/sdk", "https://try.gitea.io/go-gitea/gitea"},
 		{"ssh://git@127.0.0.1:9999/go-gitea/gitea", "https://127.0.0.1:3000/", "go-gitea/sdk", "https://127.0.0.1:3000/go-gitea/gitea"},
 		{"https://gitea.com:3000/user1/repo1.git", "https://127.0.0.1:3000/", "user/repo2", "https://gitea.com:3000/user1/repo1"},
+		{"https://example.gitea.com/gitea/user1/repo1.git", "https://example.gitea.com/gitea/", "user/repo2", "https://example.gitea.com/gitea/user1/repo1"},
 		{"https://username:password@github.com/username/repository.git", "/", "username/repository2", "https://username:password@github.com/username/repository"},
 		{"somethingbad", "https://127.0.0.1:3000/go-gitea/gitea", "/", ""},
 		{"git@localhost:user/repo", "https://localhost/", "user2/repo1", "https://localhost/user/repo"},