1 files changed, 66 insertions, 0 deletions
diff --git a/t/t5527-fetch-odd-refs.sh b/t/t5527-fetch-odd-refs.sh
new file mode 100755
index 0000000..98ece27
--- /dev/null
+++ b/t/t5527-fetch-odd-refs.sh
@@ -0,0 +1,66 @@
+#!/bin/sh
+
+test_description='test fetching of oddly-named refs'
+GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
+export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
+
+TEST_PASSES_SANITIZE_LEAK=true
+. ./test-lib.sh
+
+# afterwards we will have:
+#  HEAD - two
+#  refs/for/refs/heads/main - one
+#  refs/heads/main - three
+test_expect_success 'setup repo with odd suffix ref' '
+	echo content >file &&
+	git add . &&
+	git commit -m one &&
+	git update-ref refs/for/refs/heads/main HEAD &&
+	echo content >>file &&
+	git commit -a -m two &&
+	echo content >>file &&
+	git commit -a -m three &&
+	git checkout HEAD^
+'
+
+test_expect_success 'suffix ref is ignored during fetch' '
+	git clone --bare file://"$PWD" suffix &&
+	echo three >expect &&
+	git --git-dir=suffix log -1 --format=%s refs/heads/main >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'try to create repo with absurdly long refname' '
+	ref240=$ZERO_OID/$ZERO_OID/$ZERO_OID/$ZERO_OID/$ZERO_OID/$ZERO_OID &&
+	ref1440=$ref240/$ref240/$ref240/$ref240/$ref240/$ref240 &&
+	git init long &&
+	(
+		cd long &&
+		test_commit long &&
+		test_commit main
+	) &&
+	if git -C long update-ref refs/heads/$ref1440 long; then
+		test_set_prereq LONG_REF
+	else
+		echo >&2 "long refs not supported"
+	fi
+'
+
+test_expect_success LONG_REF 'fetch handles extremely long refname' '
+	git fetch long refs/heads/*:refs/remotes/long/* &&
+	cat >expect <<-\EOF &&
+	long
+	main
+	EOF
+	git for-each-ref --format="%(subject)" refs/remotes/long >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success LONG_REF 'push handles extremely long refname' '
+	git push long :refs/heads/$ref1440 &&
+	git -C long for-each-ref --format="%(subject)" refs/heads >actual &&
+	echo main >expect &&
+	test_cmp expect actual
+'
+
+test_done