#!/bin/sh
# Install contrib plugins.
#
# Usage:
#     bin/plugin install contrib
#
# Figure out if we're using wget or curl

basedir=$(cd `dirname $0`/..; pwd)
. ${basedir}/bin/logstash.lib.sh

WGET=$(which wget 2>/dev/null)
CURL=$(which curl 2>/dev/null)

URLSTUB="http://download.elasticsearch.org/logstash/logstash/"

if [ "x$WGET" != "x" ]; then
	DOWNLOAD_COMMAND="wget -q --no-check-certificate -O"
elif [ "x$CURL" != "x" ]; then
    DOWNLOAD_COMMAND="curl -s -L -k -o"
else
	echo "wget or curl are required."
	exit 1
fi


if [ -f "$basedir/lib/logstash/version.rb" ] ; then
	VERSION=$(cat "$basedir/lib/logstash/version.rb" | grep LOGSTASH_VERSION | awk -F\" '{print $2}') 
else
	echo "ERROR: Cannot determine Logstash version.  Exiting."
	exit 1
fi

# Placeholder for now, if other installs ever become available.
if [ "x$2" != "xcontrib" ]; then
	echo "Can only install contrib at this time... Exiting."
	exit 1
fi

TARGETDIR="$basedir/vendor/logstash"
mkdir -p $TARGETDIR
SUFFIX=".tar.gz"
FILEPATH="logstash-contrib-${VERSION}"
FILENAME=${FILEPATH}${SUFFIX}
TARGET="${TARGETDIR}/${FILENAME}"

case $1 in
  install)
  	$DOWNLOAD_COMMAND ${TARGET} ${URLSTUB}${FILENAME}
  	if [ ! -f "${TARGET}" ]; then
	  	echo "ERROR: Unable to download ${URLSTUB}${FILENAME}"
	  	echo "Exiting."
	  	exit 1
	fi
  	gzip -dc ${TARGET} | tar -xC $TARGETDIR
  	cp -R ${TARGETDIR}/$FILEPATH/* $basedir  ;; # Copy contents to local directory, adding on top of existing install
  *) 
  	echo "Usage: bin/plugin install contrib"
	exit 0
	;;
esac