#!/bin/bash

function show_title() {
	echo "RK_HOME: $RK_HOME"
	echo "O---------------------------------------------O"
	echo 
	echo "   $rk_name ";
	echo "   $rk_fullname ";
	echo 
	echo "O---------------------------------------------O"

}

function show_help {
	echo "$rk_name - $rk_fullname"
	echo "Automatically creates Greenstone releases"
	echo
	echo "usage: $rk_name [-help|-cmd] [ANT_ARGS]"
	echo "	-help"
	echo "		show this help screen"
	echo
	echo "	-cmd"
	echo "		show the ant command being used by $rk_name"
	echo
	echo "	ANT_ARGS"
	echo "		Additional arguments to be passed to ant"
}

#determine requested release kit
rk_name="$(basename $0)"
export RK_HOME="$(cd "$(dirname "$0")/.." && pwd)"

if [ "$rk_name" == "rk2" ]; then
	rk_fullname="Release Kit for Greenstone2"
elif [ "$rk_name" == "rk3" ]; then
        rk_fullname="Release Kit for Greenstone3"
else
	echo "Unrecognised release-kit name '$rk_name'" >&2
	exit
fi


#cd up a level or two if needed
if [ -e "$rk_name-build.properties" ]; then
	pushd .
elif [ -e "../$rk_name-build.properties" ]; then
	pushd ..
elif [ -e "../../$rk_name-build.properties" ]; then
	pushd ../..
else
	echo "couldn't find file $rk_name-build.properties"
	echo "it should exist in the top level of the release"
	exit
fi

#make sure ant has enough memory
export ANT_OPTS=-Xmx800M

#create the command
toexec="ant -lib `pwd`/installer/classes -f $RK_HOME/kits/$rk_name/ant-scripts/build.xml -Dbasedir=`pwd` -D$rk_name.home=$RK_HOME"

#pass on the arguments
while [ "$1" != "" ]; do

	if [ "$1" == "-help" ]; then
		show_help
		exit
	elif [ "$1" == "-cmd" ]; then
		show_cmd=true
	else
		toexec="$toexec $1"
	fi
	shift

done

#show the command to be executed
if [ "$show_cmd" == "true" ]; then
	echo $toexec
#execute
else
	show_title | tee ${rk_name}.out
	$toexec 2>&1 | tee -a ${rk_name}.out
fi

#go back to original dir
popd