Docker Compose Travis installer

docker-compose.sh

#!/bin/bash
#
# Travis script to install latest Docker Compose
# See: http://elliot.land/post/using-docker-compose-on-travis-ci
#

sudo apt-get update
sudo apt-get install -o Dpkg::Options::="--force-confold" --force-yes -y docker-engine
docker-compose --version
sudo rm /usr/local/bin/docker-compose
curl -L https://github.com/docker/compose/releases/download/${DOCKER_COMPOSE_VERSION:-1.8.0}/docker-compose-`uname -s`-`uname -m` > docker-compose
chmod +x docker-compose
sudo mv docker-compose /usr/local/bin
docker-compose --version