chore: add mastodon backlink #43

	name: Deploy
	on:
	push:
	branches:
	- main

	jobs:
	build:
	runs-on: ubuntu-latest
	environment: deploy
	steps:
	- name: Checkout to the current branch
	uses: actions/checkout@v4

	- name: Setup OCaml with cache
	uses: ocaml/setup-ocaml@v3
	with:
	ocaml-compiler: "5.1.1"
	dune-cache: true

	- name: Install deps
	run: opam install . -y --deps-only

	- name: Build website
	run: opam exec -- dune exec ./bin/maiste.exe

	- name: Clean dir
	run: \|
	rm -rf bin contents dune-project LICENSE maiste-web.opam maiste-web.opam.templatepages README.md templates
	mv target /tmp
	mv _opam /tmp

	# "--allow-empty" ensures we have a trace of when the CI is triggered.
	- name: Import content and push to GitHub Pages branch
	run: \|
	git config --global user.name 'Archimedes'
	git config --global user.email '[email protected]'
	git fetch origin gh-pages
	git switch gh-pages
	rm -rf ./*
	mv /tmp/target/* ./
	git add -A .
	git commit -m "Blog v$(date +'%Y-%m-%d')" --allow-empty
	git push origin gh-pages

	# We need to move opam dir to make sure it doesn't break the cache.
	- name: Restore Opam state
	run: mv /tmp/_opam ./

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