#!/bin/bash

# DO NOT EDIT - This file is being maintained by Chef

set -e
user=`whoami`
if [ "$user" != "www-data" ];
	then
		echo 'Error: run as www-data'
		exit 1
	fi

if [ -f /tmp/planet2pbf.lock ]; then
	if [ "$(ps -p `cat /tmp/planet2pbf.lock` | wc -l)" -gt 1 ]; then
		echo planet2pbf process is still running
		exit 1
	else
		# process not running, but lock file not deleted?
		rm /tmp/planet2pbf.lock
	fi
fi
echo $$ >/tmp/planet2pbf.lock

YEARFULL=`TZ=GMT+24 date +%Y`

cd /store/planet/planet/
if [ -z $1 ]
then
	YEAR=`TZ=GMT+24 date +%y`
	MONTH=`TZ=GMT+24 date +%m`
	DAY=`TZ=GMT+24 date +%d`
	if [ -f ${YEARFULL}/planet-${YEAR}${MONTH}${DAY}.osm.bz2 -o -f ${YEARFULL}/.planet-${YEAR}${MONTH}${DAY}.osm.bz2.new ];
	then
		planet=planet-${YEAR}${MONTH}${DAY}.osm
	else
		echo Error /store/planet/planet/${YEARFULL}/planet-${YEAR}${MONTH}${DAY}.osm.bz2 not available
		exit 1
	fi
else
	planet=$1
fi
while [ -f ${YEARFULL}/.${planet}.bz2.new ]; 
do 
	echo sleeping - ${planet}.bz2
	sleep 300
done
if [ -f /store/planet/planet/${YEARFULL}/${planet}.bz2 ]
then
	echo $planet
	if [ -f /store/planet/pbf/${planet}.pbf ];
	then
		echo Error: file /store/planet/pbf/${planet}.pbf exists
		exit 1
	fi
	JAVACMD_OPTIONS=-Xmx2048M
	export JAVACMD_OPTIONS
	pbzip2 -dc /store/planet/planet/${YEARFULL}/${planet}.bz2 | osmosis --read-xml - --buffer bufferCapacity=18000 --write-pbf /store/planet/pbf/${planet}.pbf
	cd /store/planet/pbf/
	md5sum ${planet}.pbf >${planet}.pbf.md5
	ln -fs ${planet}.pbf planet-latest.osm.pbf
	ln -fs ${planet}.pbf.md5 planet-latest.osm.pbf.md5
else
	echo Error no file - ${planet}.bz2
fi

rm /tmp/planet2pbf.lock