#!/bin/sh
#
# print a warning message before rebooting/shutting down etc a machine.
#
# Copyright <C2><A9> Andrew Ruthven <andrew@etc.gen.nz>
# Released under the terms of the Artistic Licence 2.0
#
# Cat out either /etc/molly-guard.$CMD.message
#             or /etc/molly-guard.message
# If present.
CMD=$1; shift

FILE=
BANNER=

if [ -f /etc/molly-guard.$CMD.message ]; then
  echo "$(hostname -s) has a $CMD warning message:"
  FILE=/etc/molly-guard.$CMD.message
elif [ -f /etc/molly-guard.message ]; then
  FILE=/etc/molly-guard.message
  echo "$(hostname -s) has a warning message:"
fi

if [ "x$FILE" != "x" ]; then
  echo $BANNER
  cat $FILE
  echo ""
fi