$ git clone -n https://gitee.com/src-anolis-os/grub2.git /var/lib/mock/dist-lifsea8-build-80918-41074/root/chroot_tmpdir/scmroot/grub2
Cloning into '/var/lib/mock/dist-lifsea8-build-80918-41074/root/chroot_tmpdir/scmroot/grub2'...
$ git reset --hard origin/a8
HEAD is now at 01645d1 !10 Fix a bug in bls_make_list, blscfg Merge pull request !10 from zhonglingh/a8