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

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

1 files changed, 268 insertions, 0 deletions

diff --git a/third_party/git/t/t5517-push-mirror.sh b/third_party/git/t/t5517-push-mirror.sh
new file mode 100755
index 000000000000..c05a661400c1
--- /dev/null
+++ b/third_party/git/t/t5517-push-mirror.sh
@@ -0,0 +1,268 @@
+#!/bin/sh
+
+test_description='pushing to a mirror repository'
+
+. ./test-lib.sh
+
+D=$(pwd)
+
+invert () {
+	if "$@"; then
+		return 1
+	else
+		return 0
+	fi
+}
+
+mk_repo_pair () {
+	rm -rf master mirror &&
+	mkdir mirror &&
+	(
+		cd mirror &&
+		git init &&
+		git config receive.denyCurrentBranch warn
+	) &&
+	mkdir master &&
+	(
+		cd master &&
+		git init &&
+		git remote add $1 up ../mirror
+	)
+}
+
+
+# BRANCH tests
+test_expect_success 'push mirror creates new branches' '
+
+	mk_repo_pair &&
+	(
+		cd master &&
+		echo one >foo && git add foo && git commit -m one &&
+		git push --mirror up
+	) &&
+	master_master=$(cd master && git show-ref -s --verify refs/heads/master) &&
+	mirror_master=$(cd mirror && git show-ref -s --verify refs/heads/master) &&
+	test "$master_master" = "$mirror_master"
+
+'
+
+test_expect_success 'push mirror updates existing branches' '
+
+	mk_repo_pair &&
+	(
+		cd master &&
+		echo one >foo && git add foo && git commit -m one &&
+		git push --mirror up &&
+		echo two >foo && git add foo && git commit -m two &&
+		git push --mirror up
+	) &&
+	master_master=$(cd master && git show-ref -s --verify refs/heads/master) &&
+	mirror_master=$(cd mirror && git show-ref -s --verify refs/heads/master) &&
+	test "$master_master" = "$mirror_master"
+
+'
+
+test_expect_success 'push mirror force updates existing branches' '
+
+	mk_repo_pair &&
+	(
+		cd master &&
+		echo one >foo && git add foo && git commit -m one &&
+		git push --mirror up &&
+		echo two >foo && git add foo && git commit -m two &&
+		git push --mirror up &&
+		git reset --hard HEAD^ &&
+		git push --mirror up
+	) &&
+	master_master=$(cd master && git show-ref -s --verify refs/heads/master) &&
+	mirror_master=$(cd mirror && git show-ref -s --verify refs/heads/master) &&
+	test "$master_master" = "$mirror_master"
+
+'
+
+test_expect_success 'push mirror removes branches' '
+
+	mk_repo_pair &&
+	(
+		cd master &&
+		echo one >foo && git add foo && git commit -m one &&
+		git branch remove master &&
+		git push --mirror up &&
+		git branch -D remove &&
+		git push --mirror up
+	) &&
+	(
+		cd mirror &&
+		invert git show-ref -s --verify refs/heads/remove
+	)
+
+'
+
+test_expect_success 'push mirror adds, updates and removes branches together' '
+
+	mk_repo_pair &&
+	(
+		cd master &&
+		echo one >foo && git add foo && git commit -m one &&
+		git branch remove master &&
+		git push --mirror up &&
+		git branch -D remove &&
+		git branch add master &&
+		echo two >foo && git add foo && git commit -m two &&
+		git push --mirror up
+	) &&
+	master_master=$(cd master && git show-ref -s --verify refs/heads/master) &&
+	master_add=$(cd master && git show-ref -s --verify refs/heads/add) &&
+	mirror_master=$(cd mirror && git show-ref -s --verify refs/heads/master) &&
+	mirror_add=$(cd mirror && git show-ref -s --verify refs/heads/add) &&
+	test "$master_master" = "$mirror_master" &&
+	test "$master_add" = "$mirror_add" &&
+	(
+		cd mirror &&
+		invert git show-ref -s --verify refs/heads/remove
+	)
+
+'
+
+
+# TAG tests
+test_expect_success 'push mirror creates new tags' '
+
+	mk_repo_pair &&
+	(
+		cd master &&
+		echo one >foo && git add foo && git commit -m one &&
+		git tag -f tmaster master &&
+		git push --mirror up
+	) &&
+	master_master=$(cd master && git show-ref -s --verify refs/tags/tmaster) &&
+	mirror_master=$(cd mirror && git show-ref -s --verify refs/tags/tmaster) &&
+	test "$master_master" = "$mirror_master"
+
+'
+
+test_expect_success 'push mirror updates existing tags' '
+
+	mk_repo_pair &&
+	(
+		cd master &&
+		echo one >foo && git add foo && git commit -m one &&
+		git tag -f tmaster master &&
+		git push --mirror up &&
+		echo two >foo && git add foo && git commit -m two &&
+		git tag -f tmaster master &&
+		git push --mirror up
+	) &&
+	master_master=$(cd master && git show-ref -s --verify refs/tags/tmaster) &&
+	mirror_master=$(cd mirror && git show-ref -s --verify refs/tags/tmaster) &&
+	test "$master_master" = "$mirror_master"
+
+'
+
+test_expect_success 'push mirror force updates existing tags' '
+
+	mk_repo_pair &&
+	(
+		cd master &&
+		echo one >foo && git add foo && git commit -m one &&
+		git tag -f tmaster master &&
+		git push --mirror up &&
+		echo two >foo && git add foo && git commit -m two &&
+		git tag -f tmaster master &&
+		git push --mirror up &&
+		git reset --hard HEAD^ &&
+		git tag -f tmaster master &&
+		git push --mirror up
+	) &&
+	master_master=$(cd master && git show-ref -s --verify refs/tags/tmaster) &&
+	mirror_master=$(cd mirror && git show-ref -s --verify refs/tags/tmaster) &&
+	test "$master_master" = "$mirror_master"
+
+'
+
+test_expect_success 'push mirror removes tags' '
+
+	mk_repo_pair &&
+	(
+		cd master &&
+		echo one >foo && git add foo && git commit -m one &&
+		git tag -f tremove master &&
+		git push --mirror up &&
+		git tag -d tremove &&
+		git push --mirror up
+	) &&
+	(
+		cd mirror &&
+		invert git show-ref -s --verify refs/tags/tremove
+	)
+
+'
+
+test_expect_success 'push mirror adds, updates and removes tags together' '
+
+	mk_repo_pair &&
+	(
+		cd master &&
+		echo one >foo && git add foo && git commit -m one &&
+		git tag -f tmaster master &&
+		git tag -f tremove master &&
+		git push --mirror up &&
+		git tag -d tremove &&
+		git tag tadd master &&
+		echo two >foo && git add foo && git commit -m two &&
+		git tag -f tmaster master &&
+		git push --mirror up
+	) &&
+	master_master=$(cd master && git show-ref -s --verify refs/tags/tmaster) &&
+	master_add=$(cd master && git show-ref -s --verify refs/tags/tadd) &&
+	mirror_master=$(cd mirror && git show-ref -s --verify refs/tags/tmaster) &&
+	mirror_add=$(cd mirror && git show-ref -s --verify refs/tags/tadd) &&
+	test "$master_master" = "$mirror_master" &&
+	test "$master_add" = "$mirror_add" &&
+	(
+		cd mirror &&
+		invert git show-ref -s --verify refs/tags/tremove
+	)
+
+'
+
+test_expect_success 'remote.foo.mirror adds and removes branches' '
+
+	mk_repo_pair --mirror &&
+	(
+		cd master &&
+		echo one >foo && git add foo && git commit -m one &&
+		git branch keep master &&
+		git branch remove master &&
+		git push up &&
+		git branch -D remove &&
+		git push up
+	) &&
+	(
+		cd mirror &&
+		git show-ref -s --verify refs/heads/keep &&
+		invert git show-ref -s --verify refs/heads/remove
+	)
+
+'
+
+test_expect_success 'remote.foo.mirror=no has no effect' '
+
+	mk_repo_pair &&
+	(
+		cd master &&
+		echo one >foo && git add foo && git commit -m one &&
+		git config --add remote.up.mirror no &&
+		git branch keep master &&
+		git push --mirror up &&
+		git branch -D keep &&
+		git push up :
+	) &&
+	(
+		cd mirror &&
+		git show-ref -s --verify refs/heads/keep
+	)
+
+'
+
+test_done