Merge pull request #2132 from EliahKagan/run-ci/overlap

Use `git config` to make overlapping remotes in a test repo

Author: EliahKagan

gix/tests/fixtures/generated-archives/make_remote_config_repos.tar

@@ -134,9 +134,15 @@ EOF
 
 git clone fetch multiple-remotes
 (cd multiple-remotes
-  git remote add other ../fetch && git fetch other
-  git remote add with/two/slashes ../fetch && git fetch with/two/slashes
-  git remote add with/two ../fetch && git fetch with/two
+  git remote add other ../fetch
+  git fetch other
+
+  git remote add with/two/slashes ../fetch
+  git fetch with/two/slashes
+
+  git config remote.with/two.url ../fetch
+  git config remote.with/two.fetch '+refs/heads/*:refs/remotes/with/two/*'
+  git fetch with/two
 
   # add a specialised refspec mapping
   git config --add remote.with/two.fetch +refs/heads/special:refs/remotes/with/two/special
@@ -146,4 +152,4 @@ git clone fetch multiple-remotes
   git checkout -b track-special with/two/special
   git checkout -b main --track origin/main
   git checkout -b other-main --track other/main
-)
+)