$ git clone -n https://gitee.com/gaojuxin09/grub2.git /var/lib/mock/dist-an23-build-python3.11-380018-71811/root/chroot_tmpdir/scmroot/grub2
Cloning into '/var/lib/mock/dist-an23-build-python3.11-380018-71811/root/chroot_tmpdir/scmroot/grub2'...
$ git fetch origin 4884c2f80c878ffcb236e5d9269e9c97ecad28ed:KOJI_FETCH_HEAD
From https://gitee.com/gaojuxin09/grub2
 * [new ref]         4884c2f80c878ffcb236e5d9269e9c97ecad28ed -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4884c2f LoongArch: Add back-compatibility for linux kernel.