$ git clone -n https://gitee.com/src-anolis-os/grub2.git /var/lib/mock/dist-lifsea8-build-75902-39290/root/chroot_tmpdir/scmroot/grub2
Cloning into '/var/lib/mock/dist-lifsea8-build-75902-39290/root/chroot_tmpdir/scmroot/grub2'...
$ git reset --hard origin/a8
HEAD is now at 8a211af Add loongarch64 base support