Add '\Oh{n}' for writing complexity with prettier LaTeX notation and … #21

	name: release

	on:
	push:
	branches: [ main ]

	jobs:
	overleaf:
	name: Release .zip file
	runs-on: ubuntu-latest

	steps:
	- name: Checkout main
	uses: actions/checkout@v2
	with:
	ref: main
	persist-credentials: false

	- name: Create templates
	run: python3 build_release.py

	- name: Install zip
	run: sudo apt install zip

	- name: Zip preamble folder
	run: zip -qq -r ./overleaf.zip ./preamble ./template_*.tex

	# https://github.community/t/how-can-i-set-an-expression-as-an-environment-variable-at-workflow-level/16516/6
	- name: Get current date
	id: date
	run: echo "::set-output name=date::$(date +'%Y-%m-%d')"

	- name: Create Release
	id: create_release
	uses: actions/create-release@v1
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	with:
	tag_name: v${{ steps.date.outputs.date }}
	release_name: Release ${{ steps.date.outputs.date }}
	draft: false
	prerelease: false

	- name: Upload overleaf.zip
	id: upload-release-asset
	uses: actions/upload-release-asset@v1
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	with:
	upload_url: ${{ steps.create_release.outputs.upload_url }}
	asset_path: ./overleaf.zip
	asset_name: overleaf.zip
	asset_content_type: application/zip

	preamble_only:
	name: Update preamble-only branch
	runs-on: ubuntu-latest

	steps:
	- name: Checkout main
	uses: actions/checkout@v2
	with:
	ref: main
	persist-credentials: false

	- name: Deploy to preamble-only
	uses: JamesIves/github-pages-deploy-action@v4
	with:
	token: ${{ secrets.GITHUB_TOKEN }}
	branch: preamble-only
	folder: preamble

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