$ git clone -n https://gitee.com/gcdota930915/systemd_dev.git /var/lib/mock/dist-an23-build-369213-71383/root/chroot_tmpdir/scmroot/systemd_dev
Cloning into '/var/lib/mock/dist-an23-build-369213-71383/root/chroot_tmpdir/scmroot/systemd_dev'...
$ git fetch origin a23-wzy:KOJI_FETCH_HEAD
From https://gitee.com/gcdota930915/systemd_dev
 * [new branch]      a23-wzy    -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 91c8325 remove xen