$ git clone -n https://gitee.com/rabbitali/systemd.git /var/lib/mock/dist-an23-build-474076-74184/root/chroot_tmpdir/scmroot/systemd
Cloning into '/var/lib/mock/dist-an23-build-474076-74184/root/chroot_tmpdir/scmroot/systemd'...
$ git fetch origin 1a19f7cbe4b424d833f02d33152db7f939a5d697:KOJI_FETCH_HEAD
From https://gitee.com/rabbitali/systemd
 * [new ref]         1a19f7cbe4b424d833f02d33152db7f939a5d697 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1a19f7c add patch to fix CVE-2023-50387