# Minimal makefile for Sphinx documentation

# SPDX-FileCopyrightText: © 2020 Open Networking Foundation <support@opennetworking.org>
# SPDX-License-Identifier: Apache-2.0

SHELL = bash -e -o pipefail

# You can set these variables from the command line.
SPHINXOPTS    = -W
SPHINXBUILD   = sphinx-build
SOURCEDIR     = .
BUILDDIR      = _build

# Create the virtualenv with all the tools installed
VIRTUALENV    = venv-docs

# Put it first so that "make" without argument runs "make help".
help: $(VIRTUALENV)
	source ./$(VIRTUALENV)/bin/activate ;\
	$(SPHINXBUILD) -M help "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)

.PHONY: help Makefile lint license test
# automatically reload changes in browser as they're made

$(VIRTUALENV):
	python3 -m venv $@ ;\
	source ./$@/bin/activate ;\
	pip install -r requirements.txt

# test - check that local build will lint, spelling is correct, then
# build the html site.
test: license lint spelling linkcheck

# lint all .rst files
lint: $(VIRTUALENV)
	source ./$</bin/activate ; set -u;\
	doc8 --ignore-path $< --ignore-path _build --ignore-path LICENSES --max-line-length 99

license: $(VIRTUALENV) ## Check license with the reuse tool
	source ./$</bin/activate ; set -u ;\
  reuse --version ;\
  reuse --root . lint

# clean up
clean:
	rm -rf "$(BUILDDIR)"

# clean-all - delete the virtualenv too
clean-all: clean
	rm -rf "$(VIRTUALENV)"

# Catch-all target: route all unknown targets to Sphinx using the new
# "make mode" option.  $(O) is meant as a shortcut for $(SPHINXOPTS).
%: $(VIRTUALENV) Makefile
	source ./$</bin/activate ; set -u;\
	$(SPHINXBUILD) -M $@ "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)