docs

Bump actions/checkout from 2 to 4 #122


	name: docs

	on:
	push:
	tags:
	- 'v**'
	branches:
	- 'main'

	permissions:
	contents: read
	pages: write
	id-token: write

	concurrency:
	group: "pages"
	cancel-in-progress: false

	jobs:
	update-docs:
	runs-on: ubuntu-latest
	steps:
	-
	name: checkout repository
	uses: actions/checkout@v4
	with:
	fetch-depth: 0
	submodules: 'recursive' # for doxygen-awesome-css
	-
	name: set version
	run: \|
	_version_tag=$(git describe --tags)
	echo ${_version_tag}
	echo "PROJECT_NUMBER = ${_version_tag}" >> docs/doxyfile
	-
	name: Run Doxygen to build C++ Docs
	uses: mattnotmitt/[email protected]
	with:
	doxyfile-path: docs/doxyfile #relative to working directory
	-
	name: Upload artifact
	uses: actions/upload-pages-artifact@v3
	with:
	path: ./docs/html

	deploy-docs:
	environment:
	name: github-pages
	url: ${{ steps.deployment.outputs.page_url }}
	runs-on: ubuntu-latest
	needs: update-docs
	steps:
	-
	name: Deploy to GitHub Pages
	id: deployment
	uses: actions/deploy-pages@v4

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