ci.yml

name: CI

env:
  MIX_ENV: ci
  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
  CC: clang

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

jobs:
  build:
    name: OTP ${{matrix.otp}} | Elixir ${{matrix.elixir}} | ${{matrix.cc}}

    runs-on: ubuntu-latest

    strategy:
      matrix:
        otp: [25, 24]
        elixir: ['1.15', '1.14', '1.13']
        cc: [gcc, clang]

    steps:
    - uses: actions/checkout@v4
    - uses: actions/cache@v4
      with:
        path: |
          deps
          _build
        key: ${{ runner.os }}-${{matrix.otp}}-${{matrix.elixir}}-${{matrix.cc}}-${{ hashFiles(format('{0}{1}', github.workspace, '/mix.lock')) }}
        restore-keys: |
          ${{ runner.os }}-${{matrix.otp}}-${{matrix.elixir}}-${{matrix.cc}}-
          ${{ runner.os }}-${{matrix.otp}}-${{matrix.elixir}}-
          ${{ runner.os }}-${{matrix.otp}}-
          ${{ runner.os }}-

    - uses: erlef/setup-beam@v1
      with:
        otp-version: ${{matrix.otp}}
        elixir-version: ${{matrix.elixir}}

    - run: mix deps.get

    - run: mix compile
      env:
        CC: ${{ matrix.cc }}

    - run: mix test

  quality:
    name: Quality checks

    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v4
    - uses: actions/cache@v4
      with:
        path: |
          deps
          _build
        key: ${{ runner.os }}-quality-${{ hashFiles(format('{0}{1}', github.workspace, '/mix.lock')) }}
        restore-keys: |
          ${{ runner.os }}-quality

    - uses: erlef/setup-beam@v1
      with:
        otp-version: 25
        elixir-version: '1.15'

    - run: mix deps.get
    - run: mix compile
    - run: mix credo --strict
    - run: mix inch.report
    - run: mix hex.outdated
      # skip step for dependabot, since it is the reason it opens a PR
      if: github.actor != 'dependabot[bot]'
    - run: mix coveralls.github