SHELL = /bin/bash

# Requires mdbook for building the docs
# $ apt install rustc cargo
# $ cargo install mdbook

REPOSITORY = https://github.com/rust-lang/cargo.git

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

repository:
	git clone ${REPOSITORY} repository

0.29.0 0.39.0 0.49.0 0.59.0 0.69.1 0.76.0: check_env_vars repository
	source venv/bin/activate
	cd repository
	git checkout tags/$@
	cd src/doc/
	mdbook build
	mkdir --parents "${OUTPUT_PATH}"
	cp --recursive book "${OUTPUT_PATH}/$@"

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