UBUNTU:=$(shell which apt > /dev/null 2>&1; echo $$?)

ifeq ($(UBUNTU),0)

# ******************* apt-based distros ***************************
prereqs: /usr/bin/http docker /usr/bin/curl /usr/local/bin/docker-compose

/usr/bin/http:
	sudo apt-get -y install httpie

/usr/bin/curl:
	sudo apt-get -y install curl

docker:
	which docker > /dev/null || wget -qO- https://get.docker.com/ | sh
	sudo usermod -aG docker $(shell whoami)

else

# ****************** RPM-based distros ******************

# (untested / work-in-progress)

prereqs: /usr/bin/pip /usr/bin/http docker /usr/local/bin/docker-compose

/usr/bin/pip:
	curl "https://bootstrap.pypa.io/get-pip.py" -o "get-pip.py"
	sudo python ./get-pip.py

docker:
	which docker > /dev/null || wget -qO- https://get.docker.com/ | sh
	sudo usermod -aG docker $(shell whoami)

/usr/bin/http:
	sudo pip install httpie

endif

/usr/local/bin/docker-compose:
	sudo bash -c "curl -L https://github.com/docker/compose/releases/download/1.5.2/docker-compose-`uname -s`-`uname -m` > /usr/local/bin/docker-compose"
	sudo chmod +x /usr/local/bin/docker-compose