SHELL = /bin/bash

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

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

venv-3.9:
	export PYENV_VERSION=3.9
	python3 -m venv venv

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

repository:
	git clone ${REPOSITORY} repository

4.0.2: check_env_vars venv-3.9 repository
	source venv/bin/activate
	cd repository
	git checkout tags/$@
	pip install -r requirements.txt
	pip install -r docs/requirements.txt
	pip install matplotlib
	pip install -e .
	cd docs
	make clean
	make dirhtml
	mkdir --parents "${OUTPUT_PATH}"
	cp --recursive _build/dirhtml "${OUTPUT_PATH}/$@"

2.3.1 3.1.1: check_env_vars venv-3.9 repository
	source venv/bin/activate
	cd repository
	git checkout tags/$@
	pip install -r requirements.txt
	pip install -r docs/requirements.txt
	pip install matplotlib
	pip install -e .
	cd docs/source/
	mkdir --parents "${OUTPUT_PATH}"
	sphinx-build -b dirhtml . "${OUTPUT_PATH}/$@"

1.5.1: check_env_vars venv-3.7 repository
	source venv/bin/activate
	cd repository
	git checkout tags/$@
	pip install -r requirements.txt
	pip install -r docs/requirements.txt
	pip install matplotlib
	pip install -e .
	cd docs/source/
	mkdir --parents "${OUTPUT_PATH}"
	sphinx-build -b dirhtml . "${OUTPUT_PATH}/$@"

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