#!/bin/sh

if [ "$1" != "install" -o -n "$2" ]
then
    exit 0
fi

# User must be root

if [ $(id -u) != "0" ]
then
    echo "You must be the root to install the software" >&2
    exit 1
fi

# IDEMPIERE_HOME must be unset
if `env | grep -q IDEMPIERE_HOME`
then
	unset IDEMPIERE_HOME
fi

# Check for sufficient diskspace
if [ -d /opt/idempiere-server ] 
then
	diskspace=`df -k /opt/idempiere-server | grep % | tr -s " " | cut -d" " -f4 | tail -1`
	diskspace=`expr $diskspace / 1024`
	if [ $diskspace -lt 1024 ]
	then
	echo "You have insufficient diskspace in the destination directory (/opt/idempiere-server) 
to install idempiere  The installation requires at 
least 1 GB free on this disk."
        exit 1
	fi
else
	diskspace=`df -k /usr/lib | grep % | tr -s " " | cut -d" " -f4 | tail -1`
	diskspace=`expr $diskspace / 1024`
	if [ $diskspace -lt 1024 ]
	then
	echo "You have insufficient diskspace in the destination directory (/usr/lib) to 
install idempiere.  The installation requires at 
least 1 GB free on this disk."
        exit 1
	fi
fi

# Don't fail, even on sysctl errors
exit 0