[Usa2003Q1] some cleanup of Nat.digits_add' #154

	name: push to main

	on:
	# Runs on pushes targeting the default branch
	push:
	branches: ["main"]

	# Allows you to run this workflow manually from the Actions tab
	workflow_dispatch:

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

	jobs:
	build-and-deploy:
	name: Build library and deploy dashboard to Github Pages
	environment:
	name: github-pages
	url: ${{ steps.deployment.outputs.page_url }}
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v3
	with:
	submodules: true

	- name: install elan
	run: \|
	set -o pipefail
	curl https://raw.githubusercontent.com/leanprover/elan/master/elan-init.sh -sSf \| sh -s -- --default-toolchain none -y
	~/.elan/bin/lean --version
	echo "$HOME/.elan/bin" >> $GITHUB_PATH
	echo "short_lean_version=$(~/.elan/bin/lean --run scripts/lean_version.lean)" >> $GITHUB_ENV

	- name: get mathlib cache
	run: lake exe cache get

	- name: lake build
	id: build
	run: \|
	set -o pipefail
	echo "Starting build at $(date +'%T')"
	lake build
	result_run1=$?
	echo "Complete at $(date +'%T'); return value $result_run1"

	- name: run buildWebpage
	id: run-buildWebpage
	run: \|
	set -o pipefail
	echo "Starting build at $(date +'%T')"
	build/bin/buildWebpage
	result_run1=$?
	echo "Complete at $(date +'%T'); return value $result_run1"


	- name: Setup Pages
	uses: actions/configure-pages@v2
	- name: Upload artifact
	uses: actions/upload-pages-artifact@v1
	with:
	# Upload entire repository
	path: '_site'
	- name: Deploy to GitHub Pages
	id: deployment
	uses: actions/deploy-pages@v1

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