Improvements to cache invalidation #38

	name: CI

	on:
	push:
	branches: ["main"]
	pull_request:

	permissions:
	contents: read

	jobs:
	functional-test:
	runs-on: ubuntu-22.04
	container:
	image: heroku/heroku:${{ matrix.stack_number }}-build
	options: --user root
	strategy:
	matrix:
	stack_number: ["20", "22", "24"]
	env:
	STACK: heroku-${{ matrix.stack_number }}
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	- name: Functional tests on heroku:${{ matrix.stack_number }}-build
	run: test/run

	shell-lint:
	runs-on: ubuntu-22.04
	container:
	image: koalaman/shellcheck-alpine:v0.9.0
	steps:
	- uses: actions/checkout@v4
	- name: shellcheck
	run: shellcheck -x bin/compile bin/detect bin/release bin/report

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