[gclient] Handle auth setup for cached repos

Bug: b/389733575
Change-Id: I3b65d380551cbc23746e285d082076514edebf5d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/6169811
Commit-Queue: Allen Li <ayatane@chromium.org>
Reviewed-by: Josip Sokcevic <sokcevic@chromium.org>

gclient_scm.py

@@ -1369,7 +1369,11 @@ class GitWrapper(SCMWrapper):
 
         # Set up Git authentication configuration that is needed to clone/fetch the repo.
         if newauth.Enabled():
-            git_auth.ConfigureGlobal('/', url)
+            # We need the host from the URL to determine auth settings.
+            # The url parameter might have been re-written to a local
+            # cache directory, so we need self.url, which contains the
+            # original remote URL.
+            git_auth.ConfigureGlobal('/', self.url)
 
         if hasattr(options, 'no_history') and options.no_history:
             self._Run(['init', self.checkout_path], options, cwd=self._root_dir)