Configure workflow to work with nx affected #3

	name: Packages CI

	on:
	push:
	paths:
	- packages/**
	- .github/workflows/packages.yml
	- jest.config.ts
	- jest.preset.js
	- .eslintrc.json
	- .prettierrc
	- package.json
	- package-lock.json

	jobs:
	build-and-test:
	name: Build and test

	runs-on: ubuntu-latest

	steps:
	- name: Checkout
	uses: actions/checkout@master

	- name: Install Node.js
	uses: actions/setup-node@v3
	with:
	node-version: '20.4.0'

	- name: Install dependencies
	run: \|
	make install/ci

	# Set base and head SHAs for nx affected.
	- uses: nrwl/nx-set-shas

	# Needed for nx affected to work when CI is running on a PR.
	- name: Track git main branch
	run: \|
	git branch --track main origin/main

	# - name: Code format
	# shell: bash
	# run: \|
	# make signature/format/check
	# make signature/lint/check
	#
	# - name: Test types
	# shell: bash
	# run: \|
	# make signature/test/type
	#
	# - name: Test upstream application types
	# shell: bash
	# run: \|
	# make policy-engine/test/type
	#
	# - name: Test unit
	# shell: bash
	# run: \|
	# make signature/test/unit
	#
	# - name: Send Slack notification on failure
	# if: failure() && github.ref == 'refs/heads/main'
	# uses: 8398a7/action-slack@v3
	# with:
	# username: GitHub
	# author_name: '@narval/signature CI failed'
	# status: ${{ job.status }}
	# fields: message,commit,author
	# env:
	# SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK }}

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