pash: limit public repo search to 1-2 levels of depth (Bug 1825810) r…

…=jcristau,zeid

The glob pattern `**/.hg` searches all directories recursively causing a
hang in the terminal due to the depth of the filesystem. In reality
we only want to search 1-2 levels deep, so change to using two more
restricted patterns instead.

Differential Revision: https://phabricator.services.mozilla.com/D174307

--HG--
extra : moz-landing-system : lando

hgserver/pash/hg_helper.py

@@ -345,7 +345,9 @@ def make_repo_clone(cname, user, user_repo_dir, repo_name, quick_src):
         print("List of available public repos")
         repo_list = sorted(
             repo_path.parent.relative_to(DOC_ROOT)
-            for repo_path in DOC_ROOT.glob("**/.hg")
+            # Search for repos 1-2 levels deep.
+            for pattern in ("*/.hg", "*/*/.hg")
+            for repo_path in DOC_ROOT.glob(pattern)
             if not is_relative_to(repo_path, USER_REPO_ROOT)
         )
         source_repo = prompt_user("Pick a source repo:", repo_list, period=False)