$ git clone -n https://gitee.com/wenyuzifang/sane-airscan.git /var/lib/mock/dist-an23-build-472705-74118/root/chroot_tmpdir/scmroot/sane-airscan
Cloning into '/var/lib/mock/dist-an23-build-472705-74118/root/chroot_tmpdir/scmroot/sane-airscan'...
$ git fetch origin 2bb8002c32e3a29e1569c30a1f64e9427a6fecb5:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/sane-airscan
 * [new ref]         2bb8002c32e3a29e1569c30a1f64e9427a6fecb5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2bb8002 Update code from upstream