$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/grub2.git /var/lib/mock/dist-an8.4-build-21020-9490/root/chroot_tmpdir/scmroot/grub2
Cloning into '/var/lib/mock/dist-an8.4-build-21020-9490/root/chroot_tmpdir/scmroot/grub2'...
$ git reset --hard origin/a8
HEAD is now at f1aee60 Build pc-modules package on x86_64