diskimage-builder/diskimage_builder/elements/rpm-distro/pre-install.d/00-fix-requiretty

#!/bin/bash

if [ ${DIB_DEBUG_TRACE:-0} -gt 0 ]; then
    set -x
fi
set -eu
set -o pipefail

# Fedora sets requiretty by default, which while great for machines that are
# going to see a lot of passwords sent over the wire because of interactive
# activity, that's not how we're using these. Remove the setting, and the
# comments about it

if [[ -f /etc/sudoers ]]; then
  sed -i -e '/^Defaults\s*requiretty/d' -e '/Disable "ssh hostname/d' /etc/sudoers
  sed -i -e '/You have to run/d' /etc/sudoers
  visudo -c
fi