Improve haddock docs #220

	name: Generate and deploy documentation

	on:
	push:
	branches: [ master ]

	jobs:

	GenDoc:
	name: Generate documentation
	runs-on: ubuntu-20.04
	steps:
	- uses: actions/checkout@v2
	- uses: haskell/actions/setup@v1
	with:
	ghc-version: '9.2.1'
	- name: Generate documentation
	run: \|
	cabal haddock \
	--haddock-html \
	--haddock-option "--odir=doc" \
	--haddock-option "--title=blarney" \
	--haddock-option "--source-module=$GITHUB_SERVER_URL/$GITHUB_REPOSITORY/tree/$GITHUB_SHA/%{FILE}" \
	--haddock-option "--source-entity=$GITHUB_SERVER_URL/$GITHUB_REPOSITORY/tree/$GITHUB_SHA/%{FILE}#L%{LINE}" \
	- name: Upload documentation artifact
	uses: actions/upload-artifact@v2
	with:
	name: doc
	path: doc

	PublishDoc:
	name: Publish documentation
	needs: GenDoc
	runs-on: ubuntu-latest
	steps:
	- name: Download documentation artifact
	uses: actions/download-artifact@v2
	with:
	name: doc
	- name: Deploy documentation
	run: \|
	git init
	git checkout --orphan haddock
	git remote add origin https://x-access-token:${{ secrets.GITHUB_TOKEN }}@github.com/$GITHUB_REPOSITORY
	git config user.name the-blarney-fairy
	git config user.email the-blarney-fairy@users.noreply.github.com
	git add --all
	git commit -m "deploy documentation for $GITHUB_SHA"
	git push origin -f haddock

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