test_must_fail git -C original push pushee-namespaced master
'
+test_expect_success 'set up ambiguous HEAD' '
+ git init ambiguous &&
+ (
+ cd ambiguous &&
+ git commit --allow-empty -m foo &&
+ git update-ref refs/namespaces/ns/refs/heads/one HEAD &&
+ git update-ref refs/namespaces/ns/refs/heads/two HEAD &&
+ git symbolic-ref refs/namespaces/ns/HEAD \
+ refs/namespaces/ns/refs/heads/two
+ )
+'
+
+test_expect_success 'clone chooses correct HEAD (v0)' '
+ GIT_NAMESPACE=ns git -c protocol.version=0 \
+ clone ambiguous ambiguous-v0 &&
+ echo refs/heads/two >expect &&
+ git -C ambiguous-v0 symbolic-ref HEAD >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'clone chooses correct HEAD (v2)' '
+ GIT_NAMESPACE=ns git -c protocol.version=2 \
+ clone ambiguous ambiguous-v2 &&
+ echo refs/heads/two >expect &&
+ git -C ambiguous-v2 symbolic-ref HEAD >actual &&
+ test_cmp expect actual
+'
+
test_done