rocklinux/scripts/Check-System

#!/bin/bash
#
# --- ROCK-COPYRIGHT-NOTE-BEGIN ---
# 
# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
# Please add additional copyright information _after_ the line containing
# the ROCK-COPYRIGHT-NOTE-END tag. Otherwise it might get removed by
# the ./scripts/Create-CopyPatch script. Do not edit this copyright text!
# 
# ROCK Linux: rock-src/scripts/Check-System
# ROCK Linux is Copyright (C) 1998 - 2003 Clifford Wolf
# 
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version. A copy of the GNU General Public
# License can be found at Documentation/COPYING.
# 
# Many people helped and are helping developing ROCK Linux. Please
# have a look at http://www.rocklinux.org/ and the Documentation/TEAM
# file for details.
# 
# --- ROCK-COPYRIGHT-NOTE-END ---

if [ "$1" ] ; then
	echo "Usage: $0"
	echo
	echo " Check the build system for and warn about various conditions that will likely"
	echo " cause ROCK to not work properly."
	echo
	exit 1
fi

found_error=0

if [ ! -w / -o "$(id -u)" != 0 -a "$(id -g)" != 0 ] ; then
	echo
	echo "Paranoia Check: You are trying to build as non-root!"
	echo "Building ROCK Linux requires root privileges."
	found_error=1
fi

if [ "`date '+%Y'`" -lt 1990 ] ; then
	echo
	echo "Paranoia Check: Your clock is not set!"
	echo "Set you clock using the command:  date MMDDhhmm[[CC]YY][.ss]"
	found_error=1
fi

if [ -z "`grep '^/' < /proc/swaps`" ] ; then
	echo
	echo "Paranoia Check: No active swap partition found!"
	echo "That can cause the build scripts to hang your system!. Activate"
	echo "a swap partition using the 'swapon' command and try again."
	found_error=1
fi

if [ -z "`type -p curl`" ] ; then
	echo
	echo "Paranoia Check: Program 'curl' not found!"
	echo "The curl utility is needed for Downloading the package"
	echo "source tars. Install the latest curl version."
	found_error=1
fi

if [ -z "`type -p bzip2`" ] ; then
	echo
	echo "Paranoia Check: Program 'bzip2' not found!"
	echo "The bzip2 utility is needed for extracting the package"
	echo "source tars. Install the latest bzip2 version."
	found_error=1
fi

if [ -z "`type -p makeinfo`" ] ; then
	echo
	echo "Paranoia Check: Program 'makeinfo' not found!"
	echo "The makeinfo program is needed for translating Texinfo"
	echo "documents. Please make sure that a current version of the"
	echo "texinfo package (including makeinfo) is installed on your system."
	found_error=1
fi

case $BASH_VERSION in
  2.05b*|3.*) ;;
  *)	echo "The running bash version is not listed as supported version"
	echo "You need to update 'bash' to at least version 2.05b."
	found_error=1
esac


x="`mktemp -p /tmp 2> /dev/null`"
if [ -z "$x" -o ! -f "$x" ] ; then
	echo
	echo "Paranoia Check: Program 'mktemp' not found or too old!"
	echo "You need an 'mktemp' installed which does know about the -p"
	echo "option. Install the latest mktemp version."
	found_error=1
else
	rm -f "$x"
fi

tmpfile=`mktemp`
if [ -z "`type -p sed`" ] || ! sed -i s/a/b/ $tmpfile 2> /dev/null
then
	echo
	echo "Paranoia Check: Program 'sed' not found or too old!"
	echo "You need a 'sed' installed which does know about the -i option"
	echo "(GNU/sed since 2001-09-25). Install the latest sed version."
	found_error=1
fi
rm -f $tmpfile

if [ $found_error -ne 0 ] ; then
	echo
	echo "Paranoia Check found errors -> not doing anything."
	echo "You can disable the Paranoia Checks in the Config tool"
	echo "on your own risk!"
	echo
fi

exit $found_error