Create gh pages branch #15

	on:
	workflow_dispatch:
	push:
	branches:
	- asio
	paths:
	- '**.h'
	- '**.md'
	- '**doxygen.yml'
	- '**doxyfile'

	name: Build doxygen documentation
	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

	- name: Install Doxygen and Dot
	run: sudo apt install doxygen graphviz

	- name: Run doxygen
	run: doxygen doxyfile

	- name: gh-pages branch creation if needed
	id: gh-pages-branch-creation
	shell: bash
	run: \|
	echo "::group::Checking if gh-pages branch exists"
	if [[ -z $(git ls-remote --heads origin gh-pages) ]]; then
	echo "Creating gh-pages branch"
	git checkout --orphan gh-pages
	git reset --hard
	git commit --allow-empty -m "First commit to create gh-pages branch"
	git push origin gh-pages
	echo "Created gh-pages branch"
	else
	echo "Branch gh-pages already exists"
	fi
	echo "::endgroup::"

	- name: Upload artifact
	uses: actions/upload-pages-artifact@v2
	with:
	path: docs/html

	deploy:
	runs-on: ubuntu-latest
	needs:
	- build

	permissions:
	pages: write
	id-token: write

	environment:
	name: github-pages
	url: ${{ steps.deployment.outputs.page_url }}

	steps:
	- name: Deploy to Github Pages
	id: deployment
	uses: actions/deploy-pages@v2

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