SHELL = /bin/bash

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

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

venv:
	python3 -m venv venv

repository:
	git clone ${REPOSITORY} repository

rel_1_3_24 rel_1_4_50 rel_2_0_23: check_env_vars venv repository
	source venv/bin/activate
	cd repository
	git checkout tags/$@
	pip install -r doc/build/requirements.txt
	# Asyncio "extras" are required for compiling without warnings
	pip install .[asyncio]
	cd doc/build/
	make clean dirhtml
	mkdir --parents "${OUTPUT_PATH}"
	cp --recursive output/dirhtml/ "${OUTPUT_PATH}/$@"

rel_1_2_19: check_env_vars venv repository
	source venv/bin/activate
	cd repository
	git checkout tags/$@
	pip install -r doc/build/requirements.txt
	pip install .
	cd doc/build/
	make clean dirhtml
	mkdir --parents "${OUTPUT_PATH}"
	cp --recursive output/dirhtml/ "${OUTPUT_PATH}/$@"

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