name: Crystal CI

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

jobs:
  build:
    runs-on: ubuntu-latest

    container:
      image: crystallang/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 --error-on-warnings
    - 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"