remote helpers: avoid blind fall-back to ".git" when setting GIT_DIR

diff --git a/t/t5550-http-fetch-dumb.sh b/t/t5550-http-fetch-dumb.sh
index 264a1ab8b0ea794ce398d9d5c3a40adb31bd0ff9..d66ef43cb742f366f074ab28f3dc4b56a73149c9 100755 (executable)
--- a/t/t5550-http-fetch-dumb.sh
+++ b/t/t5550-http-fetch-dumb.sh
@@ -34,6 +34,15 @@ test_expect_success 'clone http repository' '
        test_cmp file clone/file
 '
 
+test_expect_success 'list refs from outside any repository' '
+       cat >expect <<-EOF &&
+       $(git rev-parse master) HEAD
+       $(git rev-parse master) refs/heads/master
+       EOF
+       nongit git ls-remote "$HTTPD_URL/dumb/repo.git" >actual &&
+       test_cmp expect actual
+'
+
 test_expect_success 'create password-protected repository' '
        mkdir -p "$HTTPD_DOCUMENT_ROOT_PATH/auth/dumb/" &&
        cp -Rf "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" \