terraform_version=0.13.5
terraform_url=https://releases.hashicorp.com/terraform/$(terraform_version)/terraform_$(terraform_version)_linux_amd64.zip
terraform_unzip=.terraform/unzip/$(terraform_version)/
terraform_zip=.terraform/zip/terraform_$(terraform_version)_linux_amd64.zip
terraform_bin=.terraform/bin/terraform

all: $(terraform_bin) setup

$(terraform_bin): $(terraform_zip)
	rm -rf $(dir $(terraform_unzip))
	mkdir -p $(terraform_unzip)
	mkdir -p $(dir $(terraform_bin))
	unzip $(terraform_zip) -d $(terraform_unzip)
	ln -sf $(PWD)/$(terraform_unzip)/terraform $(terraform_bin)
	touch $(PWD)/$(terraform_unzip)/terraform

$(terraform_zip):
	mkdir -p $(dir $@)
	curl -L -o "$@" $(terraform_url)