# THIS IS NOT COMPILING CORRECTLY
# SHOULD PROBABLY NEED PYTHON 2 INSTEAD OF 3.



SHELL = /bin/bash

REPOSITORY = https://github.com/gammapy/enrico.git

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

venv-3.11:
	export PYENV_VERSION=3.11
	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.
2024-01-22-3ad2438f: check_env_vars venv-3.11 repository
	# Extract commit hash
	commit_hash=$@
	commit_hash=$${commit_hash:11}

	source venv/bin/activate
	cd repository
	git checkout $${commit_hash}
	pip install "sphinx < 8"
	cd doc
	make clean
	make dirhtml
	mkdir --parents "${OUTPUT_PATH}"
	cp --recursive build/dirhtml "${OUTPUT_PATH}/$@"

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