$ git clone -n https://gitee.com/opencloudos-stream/fusion-icon.git /var/lib/mock/dist-oc9-epol-build-90870-59125/root/chroot_tmpdir/scmroot/fusion-icon
Cloning into '/var/lib/mock/dist-oc9-epol-build-90870-59125/root/chroot_tmpdir/scmroot/fusion-icon'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/fusion-icon
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 87fc9a9 update