#!/bin/sh
set -e

. /usr/share/debconf/confmodule

if [ "$1" = configure ]; then
  if ! test -d /var/run/screen; then
    install -g utmp -m 0775 -d /var/run/screen
  fi
  perms="`stat -c%a /usr/bin/screen`"
  override=/etc/tmpfiles.d/screen-cleanup.conf
  if [ $perms -eq 4755 ]; then
    chmod 0755 /var/run/screen
    [ -f $override ] || echo 'd /var/run/screen 0755 root utmp' > $override
  elif [ $perms -eq 755 ]; then
    chmod 1777 /var/run/screen
    [ -f $override ] || echo 'd /var/run/screen 1777 root utmp' > $override
  fi
  add-shell /usr/bin/screen || true
fi

#DEBHELPER#