submodule-config.c: use repo_get_oid for reading .gitmodules

diff --git a/t/t1307-config-blob.sh b/t/t1307-config-blob.sh
index eed31ffa30eebaa994b2fee569eb753e2a6a1477..37dc689d8c98fd776895e1ce6d18faee092001d3 100755 (executable)
--- a/t/t1307-config-blob.sh
+++ b/t/t1307-config-blob.sh
@@ -73,4 +73,8 @@ test_expect_success 'can parse blob ending with CR' '
        test_cmp expect actual
 '
 
+test_expect_success 'config --blob outside of a repository is an error' '
+       test_must_fail nongit git config --blob=foo --list
+'
+
 test_done