name: Crystal CI

on:
  push:
    branches: [ master ]
  pull_request:
    branches: [ master ]

jobs:
  build:
    runs-on: ubuntu-latest
    name: "crystal: ${{ matrix.crystal }}, stable: ${{ matrix.stable }}"
    continue-on-error: ${{ !matrix.stable }}
    strategy:
      fail-fast: false
      matrix:
        stable: [true]
        crystal:
          - 1.0.0
          - 1.1.0
          - 1.1.1
          - 1.2.0
        include:
          - crystal: nightly
            stable: false

    container:
      image: crystallang/crystal:${{ matrix.crystal }}

    steps:
    - uses: actions/checkout@v2
    - name: apt update
      run: apt update
    - name: Install wget
      run: apt-get install -y wget
    - name: setenv DEBUG
      run: echo "SODIUM_BUILD_DEBUG=1" >> $GITHUB_ENV
    - name: setenv BUILD_DIR
      run: echo "LIBSODIUM_BUILD_DIR=$HOME/libsodium" >> $GITHUB_ENV
    - name: Cache libsodium
      uses: actions/cache@v2
      with:
        path: ~/libsodium
        key: ${{ runner.os }}-libsodium-${{ hashFiles('build/env.sh') }}
    - name: Install dependencies
      run: shards install
    - name: Run tests
      run: crystal spec -Dpreview_mt --order random
    - name: Run bulid
      run: shards build -Dpreview_mt
    - name: Run format
      run: crystal tool format --check
    - name: Failed
      if: ${{ failure() }}
      run: "[ -f libsodium_install.out ] && cat libsodium_install.out"