$ git clone -n https://gitee.com/zhuhong_bo/firefox /var/lib/mock/dist-an7-els-build-410532-72683/root/chroot_tmpdir/scmroot/firefox
Cloning into '/var/lib/mock/dist-an7-els-build-410532-72683/root/chroot_tmpdir/scmroot/firefox'...
$ git fetch origin a7:KOJI_FETCH_HEAD
From https://gitee.com/zhuhong_bo/firefox
 * [new branch]      a7         -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7fbec4e firefox-128.2.0-1