#!/bin/sh
# Build magicfilters for the pnm2ppa package.
#
# Copyright Public Domain
# Written for Debian by Chad Walstrom <chewie@debian.org>

set -e

################################
# Function: make the magicfilter
make_filter(){
	template=$1
	shift
	options=${@}

	target=`echo "/etc/magicfilter/pnm2ppa${options}-filter"| 
		sed -e 's/--/-/g' -e 's/ //'`

	# Replace keyword strings in the file
	sed -e "s,@OPTIONS@,${options}," ${template} > ${target}
	chmod +x ${target}

	# Old pbm2ppa legacy filter file linkage
	ln -fs ${target} `echo ${target} | sed -e 's/pnm2ppa/pbm2ppa/'`
}

#################################
# Check for template

# If you're not root, you shouldn't be running this
if [ `id -u` -ne 0 ] ; then
	echo "You need root permissions to run this script." 1>&2
	exit 1
fi

TEMPLATE=/usr/share/pnm2ppa/pnm2ppa-magicfilter.in
test ! -f $TEMPLATE && exit $?

# Make sure directory exists
if [ ! -d /etc/magicfilter ] ; then
	mkdir -p /etc/magicfilter || exit $?
fi

# Make a filter for each colormode and each quality of print
make_filter $TEMPLATE
make_filter $TEMPLATE --eco
make_filter $TEMPLATE --bw
make_filter $TEMPLATE --bw --eco

# End of stupid hack