merge(third_party/git): Merge squashed git subtree at v2.23.0 r/373

Merge commit '1b593e1ea4d2af0f6444d9a7788d5d99abd6fde5' as 'third_party/git'

1 files changed, 175 insertions, 0 deletions

diff --git a/third_party/git/t/t7030-verify-tag.sh b/third_party/git/t/t7030-verify-tag.sh
new file mode 100755
index 0000000000..041e319e79
--- /dev/null
+++ b/third_party/git/t/t7030-verify-tag.sh
@@ -0,0 +1,175 @@
+#!/bin/sh
+
+test_description='signed tag tests'
+. ./test-lib.sh
+. "$TEST_DIRECTORY/lib-gpg.sh"
+
+test_expect_success GPG 'create signed tags' '
+	echo 1 >file && git add file &&
+	test_tick && git commit -m initial &&
+	git tag -s -m initial initial &&
+	git branch side &&
+
+	echo 2 >file && test_tick && git commit -a -m second &&
+	git tag -s -m second second &&
+
+	git checkout side &&
+	echo 3 >elif && git add elif &&
+	test_tick && git commit -m "third on side" &&
+
+	git checkout master &&
+	test_tick && git merge -S side &&
+	git tag -s -m merge merge &&
+
+	echo 4 >file && test_tick && git commit -a -S -m "fourth unsigned" &&
+	git tag -a -m fourth-unsigned fourth-unsigned &&
+
+	test_tick && git commit --amend -S -m "fourth signed" &&
+	git tag -s -m fourth fourth-signed &&
+
+	echo 5 >file && test_tick && git commit -a -m "fifth" &&
+	git tag fifth-unsigned &&
+
+	git config commit.gpgsign true &&
+	echo 6 >file && test_tick && git commit -a -m "sixth" &&
+	git tag -a -m sixth sixth-unsigned &&
+
+	test_tick && git rebase -f HEAD^^ && git tag -s -m 6th sixth-signed HEAD^ &&
+	git tag -m seventh -s seventh-signed &&
+
+	echo 8 >file && test_tick && git commit -a -m eighth &&
+	git tag -uB7227189 -m eighth eighth-signed-alt
+'
+
+test_expect_success GPGSM 'create signed tags x509 ' '
+	test_config gpg.format x509 &&
+	test_config user.signingkey $GIT_COMMITTER_EMAIL &&
+	echo 9 >file && test_tick && git commit -a -m "nineth gpgsm-signed" &&
+	git tag -s -m nineth nineth-signed-x509
+'
+
+test_expect_success GPG 'verify and show signatures' '
+	(
+		for tag in initial second merge fourth-signed sixth-signed seventh-signed
+		do
+			git verify-tag $tag 2>actual &&
+			grep "Good signature from" actual &&
+			! grep "BAD signature from" actual &&
+			echo $tag OK || exit 1
+		done
+	) &&
+	(
+		for tag in fourth-unsigned fifth-unsigned sixth-unsigned
+		do
+			test_must_fail git verify-tag $tag 2>actual &&
+			! grep "Good signature from" actual &&
+			! grep "BAD signature from" actual &&
+			echo $tag OK || exit 1
+		done
+	) &&
+	(
+		for tag in eighth-signed-alt
+		do
+			git verify-tag $tag 2>actual &&
+			grep "Good signature from" actual &&
+			! grep "BAD signature from" actual &&
+			grep "not certified" actual &&
+			echo $tag OK || exit 1
+		done
+	)
+'
+
+test_expect_success GPGSM 'verify and show signatures x509' '
+	git verify-tag nineth-signed-x509 2>actual &&
+	grep "Good signature from" actual &&
+	! grep "BAD signature from" actual &&
+	echo nineth-signed-x509 OK
+'
+
+test_expect_success GPG 'detect fudged signature' '
+	git cat-file tag seventh-signed >raw &&
+	sed -e "/^tag / s/seventh/7th forged/" raw >forged1 &&
+	git hash-object -w -t tag forged1 >forged1.tag &&
+	test_must_fail git verify-tag $(cat forged1.tag) 2>actual1 &&
+	grep "BAD signature from" actual1 &&
+	! grep "Good signature from" actual1
+'
+
+test_expect_success GPG 'verify signatures with --raw' '
+	(
+		for tag in initial second merge fourth-signed sixth-signed seventh-signed
+		do
+			git verify-tag --raw $tag 2>actual &&
+			grep "GOODSIG" actual &&
+			! grep "BADSIG" actual &&
+			echo $tag OK || exit 1
+		done
+	) &&
+	(
+		for tag in fourth-unsigned fifth-unsigned sixth-unsigned
+		do
+			test_must_fail git verify-tag --raw $tag 2>actual &&
+			! grep "GOODSIG" actual &&
+			! grep "BADSIG" actual &&
+			echo $tag OK || exit 1
+		done
+	) &&
+	(
+		for tag in eighth-signed-alt
+		do
+			git verify-tag --raw $tag 2>actual &&
+			grep "GOODSIG" actual &&
+			! grep "BADSIG" actual &&
+			grep "TRUST_UNDEFINED" actual &&
+			echo $tag OK || exit 1
+		done
+	)
+'
+
+test_expect_success GPGSM 'verify signatures with --raw x509' '
+	git verify-tag --raw nineth-signed-x509 2>actual &&
+	grep "GOODSIG" actual &&
+	! grep "BADSIG" actual &&
+	echo nineth-signed-x509 OK
+'
+
+test_expect_success GPG 'verify multiple tags' '
+	tags="fourth-signed sixth-signed seventh-signed" &&
+	for i in $tags
+	do
+		git verify-tag -v --raw $i || return 1
+	done >expect.stdout 2>expect.stderr.1 &&
+	grep "^.GNUPG:." <expect.stderr.1 >expect.stderr &&
+	git verify-tag -v --raw $tags >actual.stdout 2>actual.stderr.1 &&
+	grep "^.GNUPG:." <actual.stderr.1 >actual.stderr &&
+	test_cmp expect.stdout actual.stdout &&
+	test_cmp expect.stderr actual.stderr
+'
+
+test_expect_success GPGSM 'verify multiple tags x509' '
+	tags="seventh-signed nineth-signed-x509" &&
+	for i in $tags
+	do
+		git verify-tag -v --raw $i || return 1
+	done >expect.stdout 2>expect.stderr.1 &&
+	grep "^.GNUPG:." <expect.stderr.1 >expect.stderr &&
+	git verify-tag -v --raw $tags >actual.stdout 2>actual.stderr.1 &&
+	grep "^.GNUPG:." <actual.stderr.1 >actual.stderr &&
+	test_cmp expect.stdout actual.stdout &&
+	test_cmp expect.stderr actual.stderr
+'
+
+test_expect_success GPG 'verifying tag with --format' '
+	cat >expect <<-\EOF &&
+	tagname : fourth-signed
+	EOF
+	git verify-tag --format="tagname : %(tag)" "fourth-signed" >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success GPG 'verifying a forged tag with --format should fail silently' '
+	test_must_fail git verify-tag --format="tagname : %(tag)" $(cat forged1.tag) >actual-forged &&
+	test_must_be_empty actual-forged
+'
+
+test_done