$ git clone -n https://gitee.com/src-opencloudos-rpms/firefox.git /var/lib/mock/dist-oc9-build-124084-73647/root/chroot_tmpdir/scmroot/firefox
Cloning into '/var/lib/mock/dist-oc9-build-124084-73647/root/chroot_tmpdir/scmroot/firefox'...
$ git fetch origin b801cea6c7fbbb6121be5b840a33f3282df2f007:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/firefox
 * [new ref]         b801cea6c7fbbb6121be5b840a33f3282df2f007 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b801cea import firefox-128.7.0-1.tl4.ap.1