SHELL = /bin/bash

REPOSITORY = https://github.com/tox-dev/tox-travis.git

check_env_vars:
ifdef OUTPUT_PATH
OUTPUT_PATH := ${OUTPUT_PATH}/python-tox-travis
else
	$(error OUTPUT_PATH is undefined)
endif

venv-3.8:
	export PYENV_VERSION=3.8
	python3 -m venv venv

repository:
	git clone ${REPOSITORY} repository

0.9 0.10 0.11 0.12 0.13: check_env_vars venv-3.8 repository
	source venv/bin/activate
	cd repository
	git checkout tags/$@
	pip install "sphinx < 8" sphinx_rtd_theme
	cd docs
	make clean
	make dirhtml
	mkdir --parents "${OUTPUT_PATH}"
	cp --recursive _build/dirhtml "${OUTPUT_PATH}/$@"

.ONESHELL:
.SUFFIXES:
.PHONY:
.DELETE_ON_ERROR: