SHELL = /bin/bash

REPOSITORY = https://github.com/open-mmlab/mmaction2.git

check_env_vars:
ifdef OUTPUT_PATH
OUTPUT_PATH := ${OUTPUT_PATH}/mmaction2
else
	$(error OUTPUT_PATH is undefined)
endif

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

repository:
	git clone ${REPOSITORY} repository

v1.2.0: check_env_vars venv-3.9 repository
	source venv/bin/activate
	cd repository
	git checkout tags/$@
	pip install -r requirements/docs.txt
	pip install -r requirements/readthedocs.txt
	cd docs
	mkdir --parents "${OUTPUT_PATH}/en"
	mkdir --parents "${OUTPUT_PATH}/zh_cn"
	cd en
	make clean
	make dirhtml
	cp --recursive _build/dirhtml "${OUTPUT_PATH}/en/$@"
	cd ../zh_cn
	make clean
	make dirhtml
	cp --recursive _build/dirhtml "${OUTPUT_PATH}/zh_cn/$@"

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