#!/bin/ksh -u
# Build the distribution tar file.

# Alain Williams, 2003
#	SCCS: @(#)BuildDistribution.sh	1.1 03/25/03 14:56:04


if [[ ! -r Expression.pm ]]
then	echo "I can't see 'Expression.pm'"
	exit 2
fi

Version=$( sed -n -e '/^our \$VERSION/s/^.*"\(.*\)".*/\1/p' Expression.pm )

if [[ -z $Version ]]
then	echo "I can't get the version number from 'Expression.pm'"
	exit 3
fi

case "$Version" in
	[0-9].[0-9][0-9]|[0-9][0-9].[0-9][0-9]|[0-9][0-9].[0-9][0-9][0-9]|[0-9][0-9].[0-9][0-9][0-9][0-9])
		:
		;;
	*)	echo "The version number doesn't look right '$Version'"
		exit 4
		;;
esac

# Nail in the module version number:
sed -e "s/MODVER/$Version/g" < README.in > README

# Different standards/naming conventions:
cp Hacks Changes

perl Makefile.PL || exit
make || exit
make dist