#!/bin/sh
set -e
#
# Script to install the latest version of docker compose
#    'curl -sSL http://sjeeva.github.io/getcompose | sudo sh'
# or:
#    'wget -qO- http://sjeeva.github.io/getcompose | sudo sh'
#


if command -v curl > /dev/null
then 
    VERSION=$(curl -i -s https://github.com/docker/compose/releases/latest | grep ^Location | sed "s/^.*tag\///" | sed "s/\r$//")
    CMD="curl -sSL "
elif command -v wget  > /dev/null
then
    VERSION=$(wget  --max-redirect 0  https://github.com/docker/compose/releases/latest  2>&1 | grep Location | sed "s/^.*tag\///" | sed "s/ .*$//")
    CMD="wget -qO- "
else
    echo "This tool needs either curl or wget"
    exit 1
fi

SRC="https://github.com/docker/compose/releases/download/${VERSION}/docker-compose-`uname -s`-`uname -m`"
DST=/usr/local/bin/docker-compose
$CMD $SRC > $DST
chmod +x $DST
echo $($DST -v) is installed