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

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

1 files changed, 113 insertions, 0 deletions

diff --git a/third_party/git/t/t7612-merge-verify-signatures.sh b/third_party/git/t/t7612-merge-verify-signatures.sh
new file mode 100755
index 0000000000..d99218a725
--- /dev/null
+++ b/third_party/git/t/t7612-merge-verify-signatures.sh
@@ -0,0 +1,113 @@
+#!/bin/sh
+
+test_description='merge signature verification tests'
+. ./test-lib.sh
+. "$TEST_DIRECTORY/lib-gpg.sh"
+
+test_expect_success GPG 'create signed commits' '
+	echo 1 >file && git add file &&
+	test_tick && git commit -m initial &&
+	git tag initial &&
+
+	git checkout -b side-signed &&
+	echo 3 >elif && git add elif &&
+	test_tick && git commit -S -m "signed on side" &&
+	git checkout initial &&
+
+	git checkout -b side-unsigned &&
+	echo 3 >foo && git add foo &&
+	test_tick && git commit -m "unsigned on side" &&
+	git checkout initial &&
+
+	git checkout -b side-bad &&
+	echo 3 >bar && git add bar &&
+	test_tick && git commit -S -m "bad on side" &&
+	git cat-file commit side-bad >raw &&
+	sed -e "s/^bad/forged bad/" raw >forged &&
+	git hash-object -w -t commit forged >forged.commit &&
+	git checkout initial &&
+
+	git checkout -b side-untrusted &&
+	echo 3 >baz && git add baz &&
+	test_tick && git commit -SB7227189 -m "untrusted on side" &&
+
+	git checkout master
+'
+
+test_expect_success GPG 'merge unsigned commit with verification' '
+	test_when_finished "git reset --hard && git checkout initial" &&
+	test_must_fail git merge --ff-only --verify-signatures side-unsigned 2>mergeerror &&
+	test_i18ngrep "does not have a GPG signature" mergeerror
+'
+
+test_expect_success GPG 'merge unsigned commit with merge.verifySignatures=true' '
+	test_when_finished "git reset --hard && git checkout initial" &&
+	test_config merge.verifySignatures true &&
+	test_must_fail git merge --ff-only side-unsigned 2>mergeerror &&
+	test_i18ngrep "does not have a GPG signature" mergeerror
+'
+
+test_expect_success GPG 'merge commit with bad signature with verification' '
+	test_when_finished "git reset --hard && git checkout initial" &&
+	test_must_fail git merge --ff-only --verify-signatures $(cat forged.commit) 2>mergeerror &&
+	test_i18ngrep "has a bad GPG signature" mergeerror
+'
+
+test_expect_success GPG 'merge commit with bad signature with merge.verifySignatures=true' '
+	test_when_finished "git reset --hard && git checkout initial" &&
+	test_config merge.verifySignatures true &&
+	test_must_fail git merge --ff-only $(cat forged.commit) 2>mergeerror &&
+	test_i18ngrep "has a bad GPG signature" mergeerror
+'
+
+test_expect_success GPG 'merge commit with untrusted signature with verification' '
+	test_when_finished "git reset --hard && git checkout initial" &&
+	test_must_fail git merge --ff-only --verify-signatures side-untrusted 2>mergeerror &&
+	test_i18ngrep "has an untrusted GPG signature" mergeerror
+'
+
+test_expect_success GPG 'merge commit with untrusted signature with merge.verifySignatures=true' '
+	test_when_finished "git reset --hard && git checkout initial" &&
+	test_config merge.verifySignatures true &&
+	test_must_fail git merge --ff-only side-untrusted 2>mergeerror &&
+	test_i18ngrep "has an untrusted GPG signature" mergeerror
+'
+
+test_expect_success GPG 'merge signed commit with verification' '
+	test_when_finished "git reset --hard && git checkout initial" &&
+	git merge --verbose --ff-only --verify-signatures side-signed >mergeoutput &&
+	test_i18ngrep "has a good GPG signature" mergeoutput
+'
+
+test_expect_success GPG 'merge signed commit with merge.verifySignatures=true' '
+	test_when_finished "git reset --hard && git checkout initial" &&
+	test_config merge.verifySignatures true &&
+	git merge --verbose --ff-only side-signed >mergeoutput &&
+	test_i18ngrep "has a good GPG signature" mergeoutput
+'
+
+test_expect_success GPG 'merge commit with bad signature without verification' '
+	test_when_finished "git reset --hard && git checkout initial" &&
+	git merge $(cat forged.commit)
+'
+
+test_expect_success GPG 'merge commit with bad signature with merge.verifySignatures=false' '
+	test_when_finished "git reset --hard && git checkout initial" &&
+	test_config merge.verifySignatures false &&
+	git merge $(cat forged.commit)
+'
+
+test_expect_success GPG 'merge commit with bad signature with merge.verifySignatures=true and --no-verify-signatures' '
+	test_when_finished "git reset --hard && git checkout initial" &&
+	test_config merge.verifySignatures true &&
+	git merge --no-verify-signatures $(cat forged.commit)
+'
+
+test_expect_success GPG 'merge unsigned commit into unborn branch' '
+	test_when_finished "git checkout initial" &&
+	git checkout --orphan unborn &&
+	test_must_fail git merge --verify-signatures side-unsigned 2>mergeerror &&
+	test_i18ngrep "does not have a GPG signature" mergeerror
+'
+
+test_done