$ git clone -n https://gitee.com/src-opencloudos-rpms/firefox.git /var/lib/mock/dist-oc9-build-231156-81562/root/chroot_tmpdir/scmroot/firefox
Cloning into '/var/lib/mock/dist-oc9-build-231156-81562/root/chroot_tmpdir/scmroot/firefox'...
$ git fetch origin 082b7e6ddbed76320dea4044b4a24e72e0fc006a:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/firefox
 * [new ref]         082b7e6ddbed76320dea4044b4a24e72e0fc006a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 082b7e6 import firefox-140.6.0-1.tl4.ap.1