ci.yml

name: CI

on:
  pull_request:
  push:
    branches:
      - main
    tags-ignore:
      - 'v*'

jobs:
  test:
    name: Build and test
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v3

      - name: Set up Elixir
        uses: erlef/setup-beam@v1
        with:
          elixir-version: "1.16.2"
          otp-version: "26.2.5"

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

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

      - name: Install dependencies
        run: mix deps.get
      - name: Static analysis
        run: mix credo --strict
      - name: Run tests
        run: mix test
      - name: Check formatting
        run: mix format --check-formatted

  version:
    needs: test
    if: github.event_name == 'push' && github.ref == 'refs/heads/main'
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - name: Calculate semantic version
        uses: bitshifted/git-auto-semver@v1.1.0
        with:
          main_branch: main
          create_tag: true
          tag_prefix: "v"