name: build

on:
  push:
    branches:
      - main
      - master
    tags:
      - '**'
  pull_request:
  schedule:
    # build it monthly: At 04:00 on day-of-month 1.
    - cron:  '0 4 1 * *'
  workflow_dispatch:

jobs:
  build:
    runs-on: ${{ matrix.os }}
    continue-on-error: false
    strategy:
      matrix:
        os: [ ubuntu-latest, windows-latest, macos-latest ]
    if: ${{ !contains(github.event.head_commit.message, '[skip ci]') }}
    steps:
    - uses: actions/checkout@v3
      with:
        fetch-depth: 2
    - uses: actions/cache@v2
      with:
        path: |
          ~/.m2/repository
          ~/.gradle/caches
          ~/.cache
          ~/work/pmd/target/repositories
          vendor/bundle
        key: v3-${{ runner.os }}-${{ hashFiles('**/pom.xml') }}
        restore-keys: |
          v3-${{ runner.os }}-
    - name: Set up Ruby 2.7
      uses: ruby/setup-ruby@v1
      with:
        ruby-version: 2.7
    - name: Setup Environment
      shell: bash
      run: |
        echo "LANG=en_US.UTF-8" >> $GITHUB_ENV
        echo "MAVEN_OPTS=-Dmaven.wagon.httpconnectionManager.ttlSeconds=180 -Dmaven.wagon.http.retryHandler.count=3 -DautoReleaseAfterClose=true -DstagingProgressTimeoutMinutes=30" >> $GITHUB_ENV
        echo "PMD_CI_SCRIPTS_URL=https://raw.githubusercontent.com/pmd/build-tools/17/scripts" >> $GITHUB_ENV
    - name: Check Environment
      shell: bash
      run: |
        f=check-environment.sh; \
        mkdir -p .ci && \
        ( [ -e .ci/$f ] || curl -sSL "${PMD_CI_SCRIPTS_URL}/$f" > ".ci/$f" ) && \
        chmod 755 .ci/$f && \
        .ci/$f
    - name: Build
      run: .ci/build.sh
      shell: bash
      env:
        PMD_CI_SECRET_PASSPHRASE: ${{ secrets.PMD_CI_SECRET_PASSPHRASE }}
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}