$ git clone -n https://gitee.com/opencloudos-stream/systemd.git /var/lib/mock/dist-ocs23-base-build-299782-29485/root/chroot_tmpdir/scmroot/systemd
Cloning into '/var/lib/mock/dist-ocs23-base-build-299782-29485/root/chroot_tmpdir/scmroot/systemd'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/systemd
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 787f017 !19 fix systemd-logind coredump when something wrong happened before hashmap_put() Merge pull request !19 from cunshunxia/master