$ git clone -n https://gitee.com/src-opencloudos-rpms/firefox.git /var/lib/mock/dist-oc9-build-68055-46673/root/chroot_tmpdir/scmroot/firefox
Cloning into '/var/lib/mock/dist-oc9-build-68055-46673/root/chroot_tmpdir/scmroot/firefox'...
$ git fetch origin 854280cd134f245e84fbdbf1070b06bbec77f1a9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/firefox
 * [new ref]         854280cd134f245e84fbdbf1070b06bbec77f1a9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 854280c debrand firefox 115.4.0-1.1 for OpenCloudOS