#!/bin/sh
# Filename:      /etc/grml/fai/config/scripts/GRMLBASE/15-initsetup
# Purpose:       configure init system for the live-system
# Authors:       grml-team (grml.org), (c) Michael Prokop <mika@grml.org>
# Bug-Reports:   see http://grml.org/bugs/
# License:       This file is licensed under the GPL v2 or any later version.
################################################################################

set -u
set -e

GRML_NAME="${GRML_NAME:-grml}"

if ! [ -r $target/etc/runlevel.conf ] ; then
   echo 'Warning: /etc/runlevel.conf does not exist...'
   echo '... assuming we do not have file-rc, skipping 15-initsetup'
   exit 0
fi

# keep a backup of the original runlevel.conf file for reference
# but only save it as /etc/runlevel.conf.original if it's not the
# according live system version, this should prevent from overriding
# /etc/runlevel.conf.original if re-running grml-live with -b option.
if ! cmp $target/etc/runlevel.conf $target/etc/runlevel.conf.livecd 1>/dev/null || \
   ! cmp $target/etc/runlevel.conf $target/etc/runlevel.conf.livecd.small 1>/dev/null ; then

   # make sure to store old backup files if they differ as well
   if [ -r $target/etc/runlevel.conf.original ] ; then
      if ! cmp $target/etc/runlevel.conf $target/etc/runlevel.conf.original 1>/dev/null ; then
         cp $target/etc/runlevel.conf.original $target/etc/runlevel.conf.original."$(date +%Y%m%d_%k:%M:%S)"
      fi
   fi

   cp $target/etc/runlevel.conf $target/etc/runlevel.conf.original
fi

# if we have a small ISO let's adjust runlevel.conf:
if [ -n "$GRML_NAME" ] ; then
   if echo "$GRML_NAME" | grep -q small ; then
      cp $target/etc/runlevel.conf.livecd.small $target/etc/runlevel.conf
   else
      cp $target/etc/runlevel.conf.livecd $target/etc/runlevel.conf
   fi
fi

## END OF FILE #################################################################
# vim:ft=sh expandtab ai tw=80 tabstop=4 shiftwidth=3