#!/bin/sh

# Copyright 2012 Paul Wise
# Released under the MIT/Expat license, see doc/COPYING

# Aggregates all the derivatives' logo heads into one dir.
#
# Usage:
# aggregate-planet-heads <derivatives> <heads directory>

set -e
while test $# -gt 1; do
    derivatives="$derivatives $1"
    shift
done
heads="$1"
mkdir -p "$heads"
for d in $derivatives ; do
	if [ -d $d -a -s $d/status ] ; then
		if [ $( cat $d/status ) != active ] ; then
			continue
		fi
	fi
	if [ -e "$d/planet-head" ] ; then \
		ln --symbolic --force "../$d/planet-head" "$heads/$d"
	else
		rm --force "$heads/$d"
	fi
done