$ git clone -n https://gitee.com/src-opencloudos-rpms/firefox.git /var/lib/mock/dist-oc9-build-240320-82683/root/chroot_tmpdir/scmroot/firefox
Cloning into '/var/lib/mock/dist-oc9-build-240320-82683/root/chroot_tmpdir/scmroot/firefox'...
$ git fetch origin 6fe7e878edff7364aeef455ed48b4995cc2a6a63:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/firefox
 * [new ref]         6fe7e878edff7364aeef455ed48b4995cc2a6a63 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6fe7e87 import firefox-140.10.1-1.tl4.ap.1