$ git clone -n https://gitee.com/bh1scw/firefox /var/lib/mock/dist-oc8-build-20551-5266/root/chroot_tmpdir/scmroot/firefox
Cloning into '/var/lib/mock/dist-oc8-build-20551-5266/root/chroot_tmpdir/scmroot/firefox'...
$ git reset --hard origin/oc8
HEAD is now at 4fc5038 import firefox-91.12.0-2.oc8.1