#!/bin/bash
set -e

function echo_usage {
	echo "usage: mconfigure [options] <package>"
	echo "	-c : copy configure/Makefile"
	echo "	-d : compile"
	echo "	-p : pack default: do all"
	./configure -I
}

##############################################################################
# Main program
##############################################################################

if [ ! -d debian ]
then
	echo "run mconfigure in the project base directory with a debian directory in it!"
	exit 2
fi

configure=0
compile=0
pack=0
confirure_args="-b ../build"
while [ $OPTIND -le "$#" ]
do
	if getopts "cdp" opt
	then
		case $opt in
			c) configure=1
				;;
			d)	compile=1
				;;
			p)	pack=1
				;;
			\?) $confirure_args="$configure_ars -$OPTARG"
				if [ $OPTARG="a" -o $OPTARG="C" -o $OPTARG="i" -o $OPTARG="v" ]
				then
					eval OPTIND=OPTIND+1
					$confirure_args="$configure_ars ${!OPTIND}"
				fi
				;;
			:) echo "Option -$OPTARG requires an argument."
				echo_usage
				exit 1
				;;
		esac
	else
		paket="${!OPTIND}"
		eval OPTIND=OPTIND+1
	fi
done

if [ -z "$paket" ]
then
	echo_usage
	exit 1
fi

if [ $configure -eq 1 ]
then
	# installation of configure file
	cp /usr/share/mbuild/configure .
else
	if [ ! -e configure ]
	then
		ln -s /usr/share/mbuild/configure .
	fi
fi

configure_args="$configure_args $paket"
if [ -x debian/$paket.preconfigure ]
then
	# if necessary $configure_args can be added to setenv.sh
	debian/$paket.preconfigure
fi

#-> configure
# .build or .cmake
if [ -x debian/$paket.build -o -e debian/$paket.cmake ]
then
	echo "BUILD_DIR=../build" >> debian/setenv.sh
	if [ -e ../build ]
	then
		rm -rf ../build
		mkdir ../build
	fi
	if grep -- "-prepare" debian/$paket.build >/dev/null
	then			
		echo "prepare in <paket>.build no longer supported. Use <paket>.prebuild"
		exit 2
	fi
	# sync build dir
	. debian/setenv.sh
	debian/rules sync
fi

# perform configure
. debian/setenv.sh
./configure $configure_args

# if nothing is selected, select all
if [ $compile -eq 0 -a $pack -eq 0 ]
then
	compile=1
	pack=1
fi

if [ $compile -eq 1 ]
then
	# build
	make
fi

if [ $pack -eq 1 ]
then
	# build package
	debian/rules pack
fi