$ git clone -n https://gitee.com/src-opencloudos-rpms/sane-airscan.git /var/lib/mock/dist-oc9-build-44992-14591/root/chroot_tmpdir/scmroot/sane-airscan
Cloning into '/var/lib/mock/dist-oc9-build-44992-14591/root/chroot_tmpdir/scmroot/sane-airscan'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/sane-airscan
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8b6a2dc import sane-airscan-0.99.27-3.tl4