refs: reject ref updates while GIT_QUARANTINE_PATH is set

diff --git a/t/t7510-signed-commit.sh b/t/t7510-signed-commit.sh
index 4177a8609acac433cbc3f87d9ddec9c02672963c..6e839f5489c5a8e3667d182f6de1873c2d29bd0a 100755 (executable)
--- a/t/t7510-signed-commit.sh
+++ b/t/t7510-signed-commit.sh
@@ -210,4 +210,11 @@ test_expect_success GPG 'show lack of signature with custom format' '
        test_cmp expect actual
 '
 
+test_expect_success GPG 'log.showsignature behaves like --show-signature' '
+       test_config log.showsignature true &&
+       git show initial >actual &&
+       grep "gpg: Signature made" actual &&
+       grep "gpg: Good signature" actual
+'
+
 test_done