$ git clone -n https://src.fedoraproject.org/rpms/grub2.git /var/lib/mock/f31-build-95859-32755/root/chroot_tmpdir/scmroot/grub2
Cloning into '/var/lib/mock/f31-build-95859-32755/root/chroot_tmpdir/scmroot/grub2'...
$ git reset --hard e1531466e1ea4d929bfb0a2c23f5095a764eb02a
HEAD is now at e153146 Update to grub 2.04