grep: enable recurse-submodules to work on <tree> objects

diff --git a/t/t7510-signed-commit.sh b/t/t7510-signed-commit.sh
index 6e839f5489c5a8e3667d182f6de1873c2d29bd0a..762135adea6d4e8594a077f1b52dcb50d49adc4e 100755 (executable)
--- a/t/t7510-signed-commit.sh
+++ b/t/t7510-signed-commit.sh
@@ -2,6 +2,7 @@
 
 test_description='signed commit tests'
 . ./test-lib.sh
+GNUPGHOME_NOT_USED=$GNUPGHOME
 . "$TEST_DIRECTORY/lib-gpg.sh"
 
 test_expect_success GPG 'create signed commits' '
@@ -190,7 +191,7 @@ test_expect_success GPG 'show bad signature with custom format' '
        test_cmp expect actual
 '
 
-test_expect_success GPG 'show unknown signature with custom format' '
+test_expect_success GPG 'show untrusted signature with custom format' '
        cat >expect <<-\EOF &&
        U
        61092E85B7227189
@@ -200,6 +201,16 @@ test_expect_success GPG 'show unknown signature with custom format' '
        test_cmp expect actual
 '
 
+test_expect_success GPG 'show unknown signature with custom format' '
+       cat >expect <<-\EOF &&
+       E
+       61092E85B7227189
+
+       EOF
+       GNUPGHOME="$GNUPGHOME_NOT_USED" git log -1 --format="%G?%n%GK%n%GS" eighth-signed-alt >actual &&
+       test_cmp expect actual
+'
+
 test_expect_success GPG 'show lack of signature with custom format' '
        cat >expect <<-\EOF &&
        N