$ git clone -n https://gitee.com/mgb01105731/systemd_4.git /var/lib/mock/dist-an23-build-480046-74220/root/chroot_tmpdir/scmroot/systemd_4
Cloning into '/var/lib/mock/dist-an23-build-480046-74220/root/chroot_tmpdir/scmroot/systemd_4'...
$ git fetch origin 723f72f60297a9222f0d7fc7098fbc0951044522:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/systemd_4
 * [new ref]         723f72f60297a9222f0d7fc7098fbc0951044522 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 723f72f Fix the build error caused by GROUP_BALANCER_MAGIC in the kernel