$ git clone -n https://gitee.com/streamlet_hy/grub2.git /var/lib/mock/dist-an23.2-build-426829-72985/root/chroot_tmpdir/scmroot/grub2
Cloning into '/var/lib/mock/dist-an23.2-build-426829-72985/root/chroot_tmpdir/scmroot/grub2'...
$ git fetch origin 964e0961ea257126a7db2f8dd256b682b13f037b:KOJI_FETCH_HEAD
From https://gitee.com/streamlet_hy/grub2
 * [new ref]         964e0961ea257126a7db2f8dd256b682b13f037b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 964e096 In package grub2-efi-loongarch64, provide grub2