$ git clone -n https://gitee.com/gcdota930915/grub2.git /var/lib/mock/dist-an23-build-543526-86296/root/chroot_tmpdir/scmroot/grub2
Cloning into '/var/lib/mock/dist-an23-build-543526-86296/root/chroot_tmpdir/scmroot/grub2'...
$ git reset --hard bfa91dca0b5768cfe7aeff104da77a7cc53b331f
HEAD is now at bfa91dc efi: Set NX memory attributes in kernel loaders to fix boot failure