$ git clone -n https://gitee.com/src-opencloudos-rpms/firefox.git /var/lib/mock/dist-oc9-build-251099-84070/root/chroot_tmpdir/scmroot/firefox
Cloning into '/var/lib/mock/dist-oc9-build-251099-84070/root/chroot_tmpdir/scmroot/firefox'...
$ git fetch origin 14656ede77b0e94103ced88ff2b51c964f9ead0f:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/firefox
 * [new ref]         14656ede77b0e94103ced88ff2b51c964f9ead0f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 14656ed import firefox-140.16.0-1.tl4.ap.1