SHELL = /bin/bash

REPOSITORY = https://github.com/easybuilders/easybuild-tutorial.git

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

venv:
	python3 -m venv venv

repository:
	git clone ${REPOSITORY} repository

# This repo doesn't have any tags, therefore we checkout specific commits.
# The date is the commit's date.
2023-04-28-8e6e147c: check_env_vars venv repository
	# Extract hash id
	commit_hash=$@
	commit_hash=$${commit_hash:11}

	mkdir --parents "${OUTPUT_PATH}"
	source venv/bin/activate
	cd repository
	git checkout $${commit_hash}
	# Installation instructions from README
	pip install mkdocs mkdocs-material mkdocs-git-revision-date-localized-plugin mkdocs-redirects
	mkdocs build
	cp --recursive site "${OUTPUT_PATH}/$@"

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