$ git clone -n https://gitee.com/wenyuzifang/sane-airscan.git /var/lib/mock/dist-an23-build-464303-73881/root/chroot_tmpdir/scmroot/sane-airscan
Cloning into '/var/lib/mock/dist-an23-build-464303-73881/root/chroot_tmpdir/scmroot/sane-airscan'...
$ git fetch origin c99045898386a5e5276cde21009145f727e90b90:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/sane-airscan
 * [new ref]         c99045898386a5e5276cde21009145f727e90b90 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c990458 Update code from upstream