#!/bin/bash
#distcc-config bash

#needed variables
ENVFILE="/etc/env.d/02distcc"


print_usage()
{
	echo
	echo "Usage: /usr/bin/distcc-config OPTION ARGUMENT"
	echo
	echo "        -s DISTCC_HOSTS       sets distcc hosts"
#	echo "        -l FILENAME           sets logfile"
#	echo "        -v [ 0 | 1 ]          sets verbose mode on or off"
	echo "        -i                    installs compiler symlinks"
	echo "        -p                    prints current config"
	echo "        -h                    show this help"
	echo
}

#while getopts "s:l:v:pih-" opt
while getopts "s:pih-" opt
do
	case "$opt" in
		
		#sets hosts
		s)
			[ ! -d /etc/distcc ] && install -d /etc/distcc
			echo "${OPTARG}" > /etc/distcc/hosts
			exit 0
			;;
			
#		#sets logfile
#       	l)
#			echo ${OPTARG}
#			exit 0
#			;;
#		
#		#set verbose
#		v)
#			echo ${OPTARG}
#			exit 0
#			;;
			
		#print config
		p)
			echo "Configured hosts:"
			declare -i x=0
			if [ -n "${DISTCC_HOSTS}" ]
			then
				echo "     Environment:"
				for i in ${DISTCC_HOSTS}
				do
					((x++))
					echo "                   ${x}. ${i}"
				done
			
			elif [ -f /etc/distcc/hosts ] &&
			     [ "$(stat -c %s /etc/distcc/hosts)" -ne 0 ]
			then
				echo "     /etc/distcc/hosts:"
				for i in $(cat /etc/distcc/hosts)
				do
					((x++))
					echo "                   ${x}. ${i}"
				done
			else
				echo "     None. Please run distcc-config."
				echo "     e.g. distcc-config -s \"host1 host2\""
			fi
			echo
			exit 0
			;;
		
		#install compiler symlinks
		i)
			source /etc/mage.rc
			for file in gcc cc c++ g++
			do
				path="/usr/lib/distcc/bin"
				if [ -e "/usr/bin/${file}" ]
				then
					if [ -n "${CHOST}" ] &&
					   [ "${file}" != "cc" ] &&
					   [ ! -e "${path}/${CHOST}-${file}" ]
					then
						echo "  Creating ${path}/${CHOST}-${file}"
						ln -snf /usr/bin/distcc ${path}/${CHOST}-${file}
					fi

					if [ ! -e "${path}/${file}" ]
					then
						echo "  Creating ${path}/${file}"
						ln -snf /usr/bin/distcc ${path}/${file}
					fi
				fi
			done
			exit 0
			;;
			
		#show help
		h)
			print_usage
			exit 0
			;;
			
        	-)
			break
			;;
			
	        *)
			echo "Run '/usr/bin/distcc-config -h' for help." 1>&2
			exit 1
			;;
	esac
done

#next getopt option
shift $(($OPTIND - 1))

#echo ${USAGE} 1>&2
echo "Run '/usr/bin/distcc-config -h' for help." 1>&2
exit 1