git: add hidden --list-builtins option

diff --git a/t/t1308-config-set.sh b/t/t1308-config-set.sh
index 7655c94c2801f0070a7b60ea17f30414b16c8d12..ff50960ccaed9953c5738c9bbf602bf0d326e15a 100755 (executable)
--- a/t/t1308-config-set.sh
+++ b/t/t1308-config-set.sh
@@ -219,14 +219,8 @@ test_expect_success 'check line errors for malformed values' '
 '
 
 test_expect_success 'error on modifying repo config without repo' '
-       mkdir no-repo &&
-       (
-               GIT_CEILING_DIRECTORIES=$(pwd) &&
-               export GIT_CEILING_DIRECTORIES &&
-               cd no-repo &&
-               test_must_fail git config a.b c 2>err &&
-               grep "not in a git directory" err
-       )
+       nongit test_must_fail git config a.b c 2>err &&
+       grep "not in a git directory" err
 '
 
 cmdline_config="'foo.bar=from-cmdline'"