Add tests for git push'es mirror mode

Add some tests for git push --mirror mode.

Signed-off-by: Andy Whitcroft <apw@shadowen.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/t/t5517-push-mirror.sh b/t/t5517-push-mirror.sh
new file mode 100755 (executable)
index 0000000..ed3fec1
--- /dev/null
+++ b/t/t5517-push-mirror.sh
@@ -0,0 +1,228 @@
+#!/bin/sh
+
+test_description='pushing to a mirror repository'
+
+. ./test-lib.sh
+
+D=`pwd`
+
+invert () {
+       if "$@"; then
+               return 1
+       else
+               return 0
+       fi
+}
+
+mk_repo_pair () {
+       rm -rf master mirror &&
+       mkdir mirror &&
+       (
+               cd mirror &&
+               git init
+       ) &&
+       mkdir master &&
+       (
+               cd master &&
+               git init &&
+               git config remote.up.url ../mirror
+       )
+}
+
+
+# BRANCH tests
+test_expect_success 'push mirror creates new branches' '
+
+       mk_repo_pair &&
+       (
+               cd master &&
+               echo one >foo && git add foo && git commit -m one &&
+               git push --mirror up
+       ) &&
+       master_master=$(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_done