$ git clone -n https://gitee.com/src-opencloudos-rpms/firefox.git /var/lib/mock/dist-oc8-firefox-build-125631-75171/root/chroot_tmpdir/scmroot/firefox
Cloning into '/var/lib/mock/dist-oc8-firefox-build-125631-75171/root/chroot_tmpdir/scmroot/firefox'...
$ git fetch origin e96c873c94f601d09107d94e61df38b51b8dc38f:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/firefox
 * [new ref]         e96c873c94f601d09107d94e61df38b51b8dc38f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e96c873 import firefox-128.9.0-2.tl3.ap.1