SHELL = /bin/bash

REPOSITORY = https://github.com/wtforms/wtforms.git

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

venv:
	python3 -m venv venv

repository:
	git clone ${REPOSITORY} repository

3.0.0 3.0.1 3.1.0 3.1.1: check_env_vars venv repository
	source venv/bin/activate
	cd repository
	git checkout tags/$@
	pip install .
	pip install -r docs/requirements.txt
	cd docs
	make clean dirhtml
	mkdir --parents "${OUTPUT_PATH}"
	cp --recursive _build/dirhtml "${OUTPUT_PATH}/$@"

2.3.3: check_env_vars venv repository
	source venv/bin/activate
	cd repository
	git checkout tags/$@
	pip install .
	pip install -r docs/requirements.txt
	pip install "jinja2 < 3.1"
	cd docs
	make clean dirhtml
	mkdir --parents "${OUTPUT_PATH}"
	cp --recursive _build/dirhtml "${OUTPUT_PATH}/$@"

1.0.5 2.0.2 2.1 2.2.1: check_env_vars venv repository
	source venv/bin/activate
	cd repository
	git checkout tags/$@
	pip install .
	pip install sphinx python-dateutil "jinja2 < 3.1"
	mkdir --parents "${OUTPUT_PATH}"
	sphinx-build -b dirhtml docs/ "${OUTPUT_PATH}/$@"

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