$ git clone -n https://gitee.com/shineways/systemd.git /var/lib/mock/dist-an23-build-448683-73423/root/chroot_tmpdir/scmroot/systemd
Cloning into '/var/lib/mock/dist-an23-build-448683-73423/root/chroot_tmpdir/scmroot/systemd'...
$ git fetch origin 9b5fe1885a941569c62d0affdc870fa2863c44cd:KOJI_FETCH_HEAD
From https://gitee.com/shineways/systemd
 * [new ref]         9b5fe1885a941569c62d0affdc870fa2863c44cd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9b5fe18 Revert "udev: use bfq as the default scheduler"