name: CI

on:
  push:
    branches:
      - master
  pull_request:
    branches:
      - master
  workflow_dispatch:

jobs:
  build:
    runs-on: ubuntu-18.04

    steps:
    - uses: actions/checkout@v2
        
    - name: Set up JDK 1.8
      uses: joschi/setup-jdk@v2
      with:
        java-version: '8'

    - name: Create tmp dirs
      run: mkdir -p /tmp/tomee-trunk-ubuntu-jvm8

    - name: Cache Maven packages
      uses: actions/cache@v2
      with:
        path: ~/.m2
        key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
        restore-keys: ${{ runner.os }}-m2

    - name: Checkstyle
      run: mvn help:system checkstyle:check -Pstyle
      env:
        MAVEN_OPTS: -Xmx1536m

    - name: Pmd
      run: mvn help:system pmd:check -Pstyle
      env:
        MAVEN_OPTS: -Xmx1536m

    - name: Compile
      run: mvn help:system -e --show-version --update-snapshots --fail-at-end -Djava.io.tmpdir=/tmp/tomee-trunk-ubuntu-jvm8 clean install -DfailIfNoTests=false -DskipTests
      env:
        MAVEN_OPTS: -Xmx1536m