SHELL = /bin/bash

REPOSITORY = https://github.com/olivierfriard/boris_docs.git

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

venv-3.10:
	export PYENV_VERSION=3.10
	python3 -m venv venv

repository:
	git clone ${REPOSITORY} repository

# This repo doesn't use tags for releases, therefore we checkout specific commits.
# The date is the commit's date.
2024-01-27-123c9fbe: check_env_vars venv-3.10 repository
	# Extract commit hash
	commit_hash=$@
	commit_hash=$${commit_hash:11}

	source venv/bin/activate
	cd repository
	git checkout $${commit_hash}
	pip install -r docs/requirements.txt
	mkdir --parents "${OUTPUT_PATH}"
	sphinx-build -b dirhtml -c docs . "${OUTPUT_PATH}/$@"

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