$ git clone -n https://gitee.com/src-opencloudos-rpms/firefox.git /var/lib/mock/dist-oc9-build-119569-70634/root/chroot_tmpdir/scmroot/firefox
Cloning into '/var/lib/mock/dist-oc9-build-119569-70634/root/chroot_tmpdir/scmroot/firefox'...
$ git fetch origin ce440213d00fb44f0df5ea0dc487aa32711df58c:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/firefox
 * [new ref]         ce440213d00fb44f0df5ea0dc487aa32711df58c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ce44021 import firefox-128.4.0-1.tl4.ap.1