$ git clone -n https://gitee.com/src-opencloudos-rpms/firefox.git /var/lib/mock/dist-oc8-firefox-build-230558-81482/root/chroot_tmpdir/scmroot/firefox
Cloning into '/var/lib/mock/dist-oc8-firefox-build-230558-81482/root/chroot_tmpdir/scmroot/firefox'...
$ git fetch origin 6edad492601a2dbb1b912e28b85eaf93378fd21b:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/firefox
 * [new ref]         6edad492601a2dbb1b912e28b85eaf93378fd21b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6edad49 import firefox-140.5.0-1.tl3.ap.1