$ git clone -n https://gitee.com/newstart-gdlc/stacer.git /var/lib/mock/dist-an8.9-nde-build-446881-73015/root/chroot_tmpdir/scmroot/stacer
Cloning into '/var/lib/mock/dist-an8.9-nde-build-446881-73015/root/chroot_tmpdir/scmroot/stacer'...
$ git fetch origin c0d6f6a3b33dea9ba0b19ebcc3dabec3c065b2ce:KOJI_FETCH_HEAD
From https://gitee.com/newstart-gdlc/stacer
 * [new ref]         c0d6f6a3b33dea9ba0b19ebcc3dabec3c065b2ce -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c0d6f6a add stacer