$ git clone -n https://gitee.com/zzrun66/firefox /var/lib/mock/dist-oc9-webui-build-72542-47856/root/chroot_tmpdir/scmroot/firefox
Cloning into '/var/lib/mock/dist-oc9-webui-build-72542-47856/root/chroot_tmpdir/scmroot/firefox'...
$ git fetch origin oc9-webui:KOJI_FETCH_HEAD
From https://gitee.com/zzrun66/firefox
 * [new branch]      oc9-webui  -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3c3e29b update