$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/grub2 /var/lib/mock/dist-an8_4-build-58144-29426/root/chroot_tmpdir/scmroot/grub2
Cloning into '/var/lib/mock/dist-an8_4-build-58144-29426/root/chroot_tmpdir/scmroot/grub2'...
$ git reset --hard origin/a8
HEAD is now at b7408f7 build: build pc-modules package on x86_64