$ git clone -n https://gitee.com/shineways/systemd.git /var/lib/mock/dist-an23-build-450158-73456/root/chroot_tmpdir/scmroot/systemd
Cloning into '/var/lib/mock/dist-an23-build-450158-73456/root/chroot_tmpdir/scmroot/systemd'...
$ git fetch origin fefa2cdaaf954ffd726867821c069b73811921cd:KOJI_FETCH_HEAD
From https://gitee.com/shineways/systemd
 * [new ref]         fefa2cdaaf954ffd726867821c069b73811921cd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fefa2cd Revert "udev: use bfq as the default scheduler"