Fix set branch function for Gitlab repositories with subgroups (#1342)

Support Gitlab repository urls with multiple subgroups when handling branch name from Git Repo Options menu.

Author: vinokurig

packages/dashboard-frontend/src/components/ImportFromGit/__tests__/helpers.spec.tsx

@@ -206,6 +206,19 @@ describe('helpers', () => {
             helpers.setBranchToLocation('https://gitlab.com/eclipse-che/che-dashboard.git', branch),
           ).toBe(`https://gitlab.com/eclipse-che/che-dashboard.git/-/tree/${branch}`);
         });
+        test('repository with subgroups', () => {
+          expect(
+            helpers.setBranchToLocation('https://gitlab.com/group/subgroup/repository.git', branch),
+          ).toBe(`https://gitlab.com/group/subgroup/repository.git/-/tree/${branch}`);
+        });
+        test('repository with subgroups and branch', () => {
+          expect(
+            helpers.setBranchToLocation(
+              'https://gitlab.com/group/subgroup/repository.git/-/tree/branch',
+              branch,
+            ),
+          ).toBe(`https://gitlab.com/group/subgroup/repository.git/-/tree/${branch}`);
+        });
       });
       describe('Bitbucket', () => {
         test('should return the location without branch', () => {

packages/dashboard-frontend/src/components/ImportFromGit/helpers.ts

@@ -140,9 +140,9 @@ function setBranchToAzureDevOpsLocation(location: string, branch: string | undef
 
 export function setBranchToLocation(location: string, branch: string | undefined): string {
   const url = new URL(location);
-  const pathname = url.pathname;
+  const pathname = url.pathname.replace(/^\//, '').replace(/\/$/, '');
 
-  const [user, project] = pathname.replace(/^\//, '').replace(/\/$/, '').split('/');
+  const [user, project] = pathname.split('/');
 
   const service = getSupportedGitService(location);
   if (!branch) {
@@ -157,7 +157,7 @@ export function setBranchToLocation(location: string, branch: string | undefined
         url.pathname = `${user}/${project}/tree/${branch}`;
         break;
       case 'gitlab':
-        url.pathname = `${user}/${project}/-/tree/${branch}`;
+        url.pathname = `${pathname.replace(/\/-\/tree\/.*$/, '')}/-/tree/${branch}`;
         break;
       case 'bitbucket-server':
         url.pathname = `${user}/${project}/src/${branch}`;