tests: skip RFC1991 tests for gnupg 2.1

GnuPG >= 2.1.0 no longer supports RFC1991, so skip these tests.

Signed-off-by: Christian Hesse <mail@eworm.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

t/lib-gpg.sh

@@ -26,6 +26,10 @@ else
 		gpg --homedir "${GNUPGHOME}" --import-ownertrust \
 			"$TEST_DIRECTORY"/lib-gpg/ownertrust
 		test_set_prereq GPG
+		if echo | gpg --homedir "${GNUPGHOME}" -b --rfc1991 >/dev/null 2>&1
+		then
+			test_set_prereq RFC1991
+		fi
 		;;
 	esac
 fi

t/t7004-tag.sh

@@ -1081,7 +1081,7 @@ test_expect_success GPG \
 get_tag_header rfc1991-signed-tag $commit commit $time >expect
 echo "RFC1991 signed tag" >>expect
 echo '-----BEGIN PGP MESSAGE-----' >>expect
-test_expect_success GPG \
+test_expect_success GPG,RFC1991 \
 	'creating a signed tag with rfc1991' '
 	echo "rfc1991" >gpghome/gpg.conf &&
 	git tag -s -m "RFC1991 signed tag" rfc1991-signed-tag $commit &&
@@ -1095,7 +1095,7 @@ cp "$1" actual
 EOF
 chmod +x fakeeditor
 
-test_expect_success GPG \
+test_expect_success GPG,RFC1991 \
 	'reediting a signed tag body omits signature' '
 	echo "rfc1991" >gpghome/gpg.conf &&
 	echo "RFC1991 signed tag" >expect &&
@@ -1103,13 +1103,13 @@ test_expect_success GPG \
 	test_cmp expect actual
 '
 
-test_expect_success GPG \
+test_expect_success GPG,RFC1991 \
 	'verifying rfc1991 signature' '
 	echo "rfc1991" >gpghome/gpg.conf &&
 	git tag -v rfc1991-signed-tag
 '
 
-test_expect_success GPG \
+test_expect_success GPG,RFC1991 \
 	'list tag with rfc1991 signature' '
 	echo "rfc1991" >gpghome/gpg.conf &&
 	echo "rfc1991-signed-tag RFC1991 signed tag" >expect &&
@@ -1123,12 +1123,12 @@ test_expect_success GPG \
 
 rm -f gpghome/gpg.conf
 
-test_expect_success GPG \
+test_expect_success GPG,RFC1991 \
 	'verifying rfc1991 signature without --rfc1991' '
 	git tag -v rfc1991-signed-tag
 '
 
-test_expect_success GPG \
+test_expect_success GPG,RFC1991 \
 	'list tag with rfc1991 signature without --rfc1991' '
 	echo "rfc1991-signed-tag RFC1991 signed tag" >expect &&
 	git tag -l -n1 rfc1991-signed-tag >actual &&
@@ -1139,7 +1139,7 @@ test_expect_success GPG \
 	test_cmp expect actual
 '
 
-test_expect_success GPG \
+test_expect_success GPG,RFC1991 \
 	'reediting a signed tag body omits signature' '
 	echo "RFC1991 signed tag" >expect &&
 	GIT_EDITOR=./fakeeditor git tag -f -s rfc1991-signed-tag $commit &&