Erase manifest unless on upcoming Elixir #454

	name: CI

	on:
	pull_request:
	push:
	branches:
	- main

	permissions:
	contents: read

	jobs:
	test:
	name: Test (Elixir ${{ matrix.elixir }} \| Erlang/OTP ${{ matrix.erlang }})
	runs-on: "${{ matrix.os }}"
	strategy:
	fail-fast: false
	matrix:
	include:
	- os: ubuntu-22.04
	erlang: "27.2"
	elixir: "1.18"
	lint: true
	coverage: true

	- os: ubuntu-22.04
	erlang: "24.2"
	elixir: "1.14"
	env:
	MIX_ENV: test
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

	steps:
	- uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0

	- name: Install OTP and Elixir
	uses: erlef/setup-beam@e6d7c94229049569db56a7ad5a540c051a010af9 # v1.20.4
	with:
	otp-version: ${{ matrix.erlang }}
	elixir-version: ${{ matrix.elixir }}

	- name: Install dependencies
	run: mix deps.get --check-locked

	- name: Check no unused dependencies
	run: mix deps.unlock --check-unused
	if: ${{ matrix.lint }}

	- name: Check formatting
	run: mix format --check-formatted
	if: ${{ matrix.lint }}

	- name: Compile with --warnings-as-errors
	run: mix compile --warnings-as-errors
	if: ${{ matrix.lint }}

	- name: Run tests
	run: mix test
	if: ${{ !matrix.coverage }}

	- name: Run tests with code coverage
	run: mix coveralls.github
	if: ${{ matrix.coverage }}

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