)
'
+test_expect_success 'merge suggests matching remote refname' '
+ git commit --allow-empty -m not-local &&
+ git update-ref refs/remotes/origin/not-local HEAD &&
+ git reset --hard HEAD^ &&
+
+ # This is white-box testing hackery; we happen to know
+ # that reading packed refs is more picky about the memory
+ # ownership of strings we pass to for_each_ref() callbacks.
+ git pack-refs --all --prune &&
+
+ test_must_fail git merge not-local 2>stderr &&
+ grep origin/not-local stderr
+'
+
+test_expect_success 'suggested names are not ambiguous' '
+ git update-ref refs/heads/origin/not-local HEAD &&
+ test_must_fail git merge not-local 2>stderr &&
+ grep remotes/origin/not-local stderr
+'
+
test_done