SHELL = /bin/bash

REPOSITORY = https://github.com/getpelican/pelican.git

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

venv:
	python3 -m venv venv

repository:
	git clone ${REPOSITORY} repository

4.7.2 4.8.0 4.9.0 4.9.1: check_env_vars venv repository
	source venv/bin/activate
	cd repository
	git checkout tags/$@
	pip install -r requirements/docs.pip
	pip install .
	cd docs
	make dirhtml
	mkdir --parents "${OUTPUT_PATH}"
	cp --recursive _build/dirhtml "${OUTPUT_PATH}/$@"

4.5.4 4.6.0: check_env_vars venv repository
	source venv/bin/activate
	cd repository
	git checkout tags/$@
	pip install -r requirements/docs.pip
	# Lock version because it won't compile otherwise
	pip install "jinja2 == 3" "sphinx < 6"
	pip install .
	cd docs
	make dirhtml
	mkdir --parents "${OUTPUT_PATH}"
	cp --recursive _build/dirhtml "${OUTPUT_PATH}/$@"

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