$ git clone -n https://gitee.com/opencloudos-stream/systemd.git /var/lib/mock/dist-rebuild-after-rpm-check-build-115942-7970/root/chroot_tmpdir/scmroot/systemd
Cloning into '/var/lib/mock/dist-rebuild-after-rpm-check-build-115942-7970/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 08fdf94 !4 fix CVE-2023-31438 and CVE-2023-31439 Merge pull request !4 from cunshunxia/master