#!/bin/bash

#################################################################################

# 

# Name :  CentOS Live Media [CD,DVD] build script 

# Function : Builds Live CD and DVD media

# How to call it : see usage()

# Author : Fabian Arrotin (arrfab@centos.org)

#          Karanbir Singh (kbsingh@centos.org)

# Notes: its possible to build both i386 and x86_64 media on the same vm

#

#################################################################################

usage() {

cat <<  EOF

You need to call the script like this : $0 -arguments

  -a : define the arch (required, default:none, values : [i386,x86_64])   

  -p : define the repo path (required, default:none)

  -m : define the media type (required, default:none, values : [cd,dvd])

  -r : release to build ( eg. 6.0 )

  -h : display this help

EOF

}

varcheck() {

if [ -z "$1" ] ; then

        usage

        exit 1

fi

}

while getopts “ha:p:m:r:” OPTION

do

     case $OPTION in

         h)

             usage

             exit 1

             ;;

         a)

             arch=$OPTARG

             ;;

         m)

             media=$(echo $OPTARG|tr [:lower:] [:upper:])

             ;;

         p)

             repopath=$OPTARG

             ;;

         r)

             release=$OPTARG

             ;;

         ?)

             usage

             exit

             ;;

     esac

done

varcheck $arch

varcheck $media

varcheck $repopath

varcheck $release

if [ `id -u` -ne "0" ]; then

	echo "you must call this script as root or with proper sudo permissions !"

	exit 1

fi

# Checking that we have the proper build tools installed

for package in livecd-tools python-imgcreate;

do

	rpm -q $package >/dev/null 2>&1 

	if [ $? -ne 0 ];then

		echo "Package $package not installed and needed for the $0 script to run !"

		exit 1

	fi

done

cd `dirname $0`

# checking selinux state on the machine, needed to go to Permissive for the livecd-tool to work

isSelinuxOn=`/usr/sbin/getenforce`

if [ "$isSelinuxOn" = "Enforcing" ] ;then

	/usr/sbin/setenforce 0

fi

/bin/cp $(dirname $0)/ks/centos6-live${media}-desktop.cfg /tmp/

sed -i s#REPOPATH#$repopath#g /tmp/centos6-live${media}-desktop.cfg

setarch $arch livecd-creator -c /tmp/centos6-live${media}-desktop.cfg -f "CentOS-${release}-${arch}-Live${media}" 

if [ "$isSelinuxOn" = "Enforcing" ] ;then

        /usr/sbin/setenforce 1

fi