$ git clone -n https://src.fedoraproject.org/rpms/grubby.git /var/lib/mock/f40-build-739959-109410/root/chroot_tmpdir/scmroot/grubby
Cloning into '/var/lib/mock/f40-build-739959-109410/root/chroot_tmpdir/scmroot/grubby'...
$ git reset --hard aa9b1b454fd0c792226cefb65d744fadfaa8acda
HEAD is now at aa9b1b4 Drop installkernel so that it can by provided by systemd