Test single exec to manage systemd unit override with Puppet

test.pp

exec { 'override-service-unit':
  provider    => 'shell',
  environment => ['SYSTEMD_EDITOR=tee'],
  command     => 'echo "[Service]\nPrivateTmp=no\n" | script -qefc "systemctl edit nutcracker.service" /dev/null',
  unless      => '/usr/bin/env systemctl show nutcracker.service --property=PrivateTmp | grep "=no"',
  notify      => Service['nutcracker'],
}