$ git clone -n https://gitee.com/lzq11122/systemd.git /var/lib/mock/dist-an23-build-452457-73514/root/chroot_tmpdir/scmroot/systemd
Cloning into '/var/lib/mock/dist-an23-build-452457-73514/root/chroot_tmpdir/scmroot/systemd'...
$ git fetch origin a370dbc28f096fdc15748b15b06a77916e3167bf:KOJI_FETCH_HEAD
From https://gitee.com/lzq11122/systemd
 * [new ref]         a370dbc28f096fdc15748b15b06a77916e3167bf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a370dbc test