#!/bin/sh
# This script automatically runs an aace report by generating
# a .4gl and compiling it (if required) and then running that 4gl.


SUM=md5sum
if type $SUM  > /dev/null
then
	:
else
	SUM=sum
	if type $SUM  > /dev/null
	then
		:
	else
		SUM=cksum
		if type $SUM  > /dev/null
		then
			:
		else
			echo "Can't locate a checksum program - please install sum or md5sum"
			exit 2
		fi
	fi
fi
	

if [ "$AUBITDIR" = "" ]
then
	echo "AUBITDIR is not set"
	exit 2
fi
	
if [ ! -d $AUBITDIR/etc/ace-cache ]
then
	mkdir  $AUBITDIR/etc/ace-cache
fi

if [ ! -d $AUBITDIR/etc/ace-cache ]
then
	echo "Directory $AUBITDIR/etc/ace-cache does not exist!"
	exit 2
fi


a=`basename $1 .aarc`
d=`dirname $1`

chk1=`$SUM $AUBITDIR/etc/ace-cache/$a.4ae`

if [ -f "$AUBITDIR/etc/ace-cache/$a.4ae" ]
then
	# We've got the .4ae - does it match the .aarc ?
	if [ -f "$AUBITDIR/etc/ace-cache/$a.4ae.chksum" ]
	then
		# We've got a checksum file - does it match
		# We'll 'squeeze' any spaces - because I've had problems of extra spaces...
		chk2=`cat $AUBITDIR/etc/ace-cache/$a.4ae.chksum`

		if [ "$chk1" != "$chk2" ]
		then
			#Different checksum!"
			rm $AUBITDIR/etc/ace-cache/$a.4ae
		fi
	else
		rm $AUBITDIR/etc/ace-cache/$a.4ae
	fi
fi


if [ ! -f $AUBITDIR/etc/ace-cache/$a.4ae ]
then
	# We need to generate the .4gl and compile it...
	if aace_4gl -o $AUBITDIR/etc/ace-cache/$a.4gl $1 > /dev/null 2> /dev/null
	then
		:
	else
		echo "Unable to generate 4gl file - does the .aarc file exist ? "
		rm -f $AUBITDIR/etc/ace-cache/$a.4gl > /dev/null
		exit 2
	fi
	
	4glpc -K -o $AUBITDIR/etc/ace-cache/$a.4ae $AUBITDIR/etc/ace-cache/$a.4gl
	rm -f $AUBITDIR/etc/ace-cache/$a.glb > /dev/null
	rm -f $AUBITDIR/etc/ace-cache/$a.ao > /dev/null
	rm -f $AUBITDIR/etc/ace-cache/$a.4gl > /dev/null

	if [ ! -x $AUBITDIR/etc/ace-cache/$a.4ae ]
	then
		echo "Unable to generate executable"
		exit 2
	fi
fi

echo "$chk1" > $AUBITDIR/etc/ace-cache/$a.4ae.chksum

if [ ! -x $AUBITDIR/etc/ace-cache/$a.4ae ]
then
	echo "No executable generated"
fi


# get rid of $1 - that was just the name of the ace report..
shift

$AUBITDIR/etc/ace-cache/$a.4ae $@