$ git clone -n https://gitee.com/gcdota930915/grub2.git /var/lib/mock/dist-an23-build-543586-86296/root/chroot_tmpdir/scmroot/grub2
Cloning into '/var/lib/mock/dist-an23-build-543586-86296/root/chroot_tmpdir/scmroot/grub2'...
$ git reset --hard b1df1b01b5ca1ff6facfe12ab4f0cb85e8b710fe
HEAD is now at b1df1b0 efi: Set NX memory attributes in kernel loaders to fix boot failure