ci.yml

name: CI

on: [push, pull_request]

env:
  CI: true # disables SBT super shell which has problems with CI environments

jobs:
  build:
    name: Scala ${{ matrix.scala }}
    runs-on: ubuntu-latest

    strategy:
      fail-fast: true
      matrix:
        scala: ['2.12', '2.13']
        include:
          - scala: '2.12'
            scala-version: 2.12.17
          - scala: '2.13'
            scala-version: 2.13.8

    steps:
      - name: Checkout repository
        uses: actions/checkout@v2

      - name: Set up JDK and sbt
        uses: olafurpg/setup-scala@v13
        with:
          java-version: adopt@1.8

      - name: Cache sbt
        uses: actions/cache@v2
        with:
          path: |
            ~/.sbt
            ~/.ivy2/cache
            ~/.coursier/cache/v1
            ~/.cache/coursier/v1
            ~/AppData/Local/Coursier/Cache/v1
            ~/Library/Caches/Coursier/v1
          key: ${{ runner.os }}-sbt-cache-v2-${{ hashFiles('**/*.sbt') }}-${{ hashFiles('project/build.properties') }}

      - name: Compile and check format
        run: >-
          sbt ++${{ matrix.scala-version }} scalafmtSbt Test/compile &&
          git diff --exit-code

      - name: Run tests
        run: sbt -Dsbt.color=always ++${{ matrix.scala-version }} test

      - name: Check mdoc for uncommitted changes
        run: sbt -Dsbt.color=always "docs/mdoc --check"