build.yml

name: build

on:
  push:
    branches:
      - main
  pull_request:
    types: [opened, synchronize]

env:
  CACHE_VERSION: 1

jobs:
  lint:
    runs-on: ubuntu-latest
    name: OTP ${{matrix.otp}} / Elixir ${{matrix.elixir}}
    strategy:
      matrix:
        otp: ['25.0']
        elixir: ['1.13.4', '1.14.2']

    steps:
      - uses: actions/checkout@v2

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

      - name: 'deps cache'
        uses: actions/cache@v3
        with:
          path: deps
          key: lint-deps-${{env.CACHE_VERSION}}-${{ runner.os }}-mix-${{ hashFiles('**/mix.lock') }}
          restore-keys: |
            lint-deps-${{env.CACHE_VERSION}}-${{ runner.os }}-mix-${{ hashFiles('**/mix.lock') }}
            lint-deps-${{env.CACHE_VERSION}}-${{ runner.os }}-mix-
            lint-deps-${{env.CACHE_VERSION}}-

      - name: '_build cache'
        uses: actions/cache@v3
        with:
          path: _build
          key: lint-build-${{env.CACHE_VERSION}}-${{ runner.os }}-mix-${{ hashFiles('**/mix.lock') }}
          restore-keys: |
            lint-build-${{env.CACHE_VERSION}}-${{ runner.os }}-mix-${{ hashFiles('**/mix.lock') }}
            lint-build-${{env.CACHE_VERSION}}-${{ runner.os }}-mix-
            lint-build-${{env.CACHE_VERSION}}-

      - run: mix deps.get
      - run: mix format --check-formatted
      - run: mix test