submodule: support reading .gitmodules when it's not in the working tree

diff --git a/t/t9135-git-svn-moved-branch-empty-file.sh b/t/t9135-git-svn-moved-branch-empty-file.sh
index 5280e5f1e405f2a93620b496c64e85e73181f13a..2f80b216fe35bdcd4e3169306a69e8ca594dccdb 100755 (executable)
--- a/t/t9135-git-svn-moved-branch-empty-file.sh
+++ b/t/t9135-git-svn-moved-branch-empty-file.sh
@@ -12,9 +12,8 @@ test_expect_success 'clone using git svn' 'git svn clone -s "$svnrepo" x'
 test_expect_success 'test that b1 exists and is empty' '
        (
                cd x &&
-               git reset --hard branch-c &&
-               test -f b1 &&
-               ! test -s b1
+               git reset --hard origin/branch-c &&
+               test_must_be_empty b1
        )
        '