$ git clone -n https://gitee.com/src-opencloudos-rpms/firefox.git /var/lib/mock/dist-oc8-firefox-build-245788-83372/root/chroot_tmpdir/scmroot/firefox
Cloning into '/var/lib/mock/dist-oc8-firefox-build-245788-83372/root/chroot_tmpdir/scmroot/firefox'...
$ git fetch origin 7af417d21ff637c3f1aa13572186b8b93f94ede7:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/firefox
 * [new ref]         7af417d21ff637c3f1aa13572186b8b93f94ede7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7af417d import firefox-140.13.0-1.tl3.ap.1