make docs deploy to gh pages correctly skip the step unless pushing a… #200

	name: GH Pages Sphinx Docs
	on: [push, pull_request]

	# Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
	permissions:
	contents: read
	pages: write
	id-token: write

	# Allow only one concurrent deployment, skipping runs queued between the run in-progress and latest queued.
	# However, do NOT cancel in-progress runs as we want to allow these production deployments to complete.
	concurrency:
	group: "pages"
	cancel-in-progress: false

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout repo
	uses: actions/checkout@v4

	- name: Setup Pages
	uses: actions/configure-pages@v4

	- name: Install Python
	uses: actions/setup-python@v5
	with:
	python-version: "3.12"

	- name: Install uv
	uses: astral-sh/setup-uv@v4
	with:
	enable-cache: true
	cache-dependency-glob: "pyproject.toml"

	- name: Install swmmio
	run: \|
	uv sync --group docs

	- name: Sphinx build
	run: uv run sphinx-build docs docs/build

	- name: Upload artifact
	uses: actions/upload-artifact@v4
	with:
	# Upload build
	path: './docs/build'

	deploy:
	if: startsWith(github.ref, 'refs/tags/v')
	environment:
	name: github-pages
	url: ${{ steps.deployment.outputs.page_url }}
	runs-on: ubuntu-latest
	needs: build
	steps:
	- name: Deploy to GitHub Pages
	id: deployment
	uses: actions/deploy-pages@v2

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