SHELL = /bin/bash

REPOSITORY = https://github.com/python-trio/trio.git

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

venv:
	python3 -m venv venv

venv-3.7:
	export PYENV_VERSION=3.7
	python3 -m venv venv

repository:
	git clone ${REPOSITORY} repository

v0.22.2 v0.23.2: check_env_vars venv repository
	source venv/bin/activate
	cd repository
	git checkout tags/$@
	pip install -r docs-requirements.txt
	cd docs
	make clean dirhtml
	mkdir --parents "${OUTPUT_PATH}"
	cp --recursive build/dirhtml "${OUTPUT_PATH}/$@"

v0.12.1 v0.13.0 v0.14.0 v0.15.1 v0.16.0 v0.17.0 v0.18.0 v0.19.0 v0.20.0 v0.21.0: check_env_vars venv-3.7 repository
	source venv/bin/activate
	cd repository
	git checkout tags/$@
	pip install -r docs-requirements.txt
	cd docs
	make clean dirhtml
	mkdir --parents "${OUTPUT_PATH}"
	cp --recursive build/dirhtml "${OUTPUT_PATH}/$@"

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