$ git clone -n https://gitee.com/src-opencloudos-rpms/firefox.git /var/lib/mock/dist-oc9-build-169009-79851/root/chroot_tmpdir/scmroot/firefox
Cloning into '/var/lib/mock/dist-oc9-build-169009-79851/root/chroot_tmpdir/scmroot/firefox'...
$ git fetch origin 602a8b4abd1165e2b73bc02677b7fdc8c86655df:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/firefox
 * [new ref]         602a8b4abd1165e2b73bc02677b7fdc8c86655df -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 602a8b4 import firefox-128.12.0-1.tl4.ap.1