$ git clone -n https://gitee.com/gcdota930915/grub2.git /var/lib/mock/dist-an23-build-543474-86296/root/chroot_tmpdir/scmroot/grub2
Cloning into '/var/lib/mock/dist-an23-build-543474-86296/root/chroot_tmpdir/scmroot/grub2'...
$ git reset --hard bec6433936a71ce5e5ef6a554197658df343c552
HEAD is now at bec6433 efi: Set NX memory attributes in kernel loaders to fix boot failure