$ git clone -n https://gitee.com/fe_zhang/grub2.git /var/lib/mock/dist-an23-build-169721-58863/root/chroot_tmpdir/scmroot/grub2
Cloning into '/var/lib/mock/dist-an23-build-169721-58863/root/chroot_tmpdir/scmroot/grub2'...
$ git reset --hard 87279f6fd3acd98e957084328763ab421437c42d
HEAD is now at 87279f6 Refactor the grub2 spec