image: Visual Studio 2019
version: '{build}'
skip_tags: true

clone_depth: 10
branches:
  only:
    - master
  except:
    - gh-pages
install:
  - ps: |
      Add-Type -AssemblyName System.IO.Compression.FileSystem
      if (!(Test-Path -Path "C:\maven\apache-maven-3.8.8" )) {
        (new-object System.Net.WebClient).DownloadFile(
          'https://downloads.apache.org/maven/maven-3/3.8.8/binaries/apache-maven-3.8.8-bin.zip',
          'C:\maven-bin.zip'
        )
        [System.IO.Compression.ZipFile]::ExtractToDirectory("C:\maven-bin.zip", "C:\maven")
      }
  - cmd: SET M2_HOME=C:\maven\apache-maven-3.8.8
  - cmd: SET PATH=%M2_HOME%\bin;%JAVA_HOME%\bin;%PATH%
  - cmd: git config core.autocrlf
  - cmd: mvn --version
  - cmd: java -version

cache:
  - C:\maven\apache-maven-3.8.8
  - C:\Users\appveyor\.m2

matrix:
  fast_finish: true

environment:
  global:
    CMD: " "
    # https://stackoverflow.com/questions/42024619/maven-build-gets-connection-reset-when-downloading-artifacts
    MAVEN_OPTS: "-Dhttp.keepAlive=false -Dmaven.wagon.http.retryHandler.count=3"
  # We do matrix as AppVeyor could fail to finish simple "mvn -e verify"
  #    if he loose maven cache (happens from time to time)
  matrix:
    # sevntu (JDK11)
    - JAVA_HOME: C:\Program Files\Java\jdk11
      DESC: "sevntu (JDK11)"
      CMD: "./.ci/validation.cmd sevntu"
    # run checkstyle (JDK11)
    - JAVA_HOME: C:\Program Files\Java\jdk11
      DESC: "run checkstyle (JDK11)"
      CMD: "./.ci/validation.cmd run_checkstyle"
    # verify without checkstyle (JDK11)
    - JAVA_HOME: C:\Program Files\Java\jdk11
      DESC: "verify without checkstyle (JDK11)"
      CMD: "./.ci/validation.cmd verify_without_checkstyle"
    # site, without verify (JDK11)
    - JAVA_HOME: C:\Program Files\Java\jdk11
      DESC: "site, without verify (JDK11)"
      CMD: "./.ci/validation.cmd site_without_verify"

build_script:
  - ps: |
      $RUN_JOB=1
      if ($RUN_JOB -eq 1) {
        $Expr = (get-content env:CMD)
        Write-Host "CMD: $Expr"
        Invoke-Expression $Expr
        Write-Host "CMD exited with exit code $LastExitCode"
        if ($LastExitCode -ne 0) {
          exit $LastExitCode
        }
      } else {
        Write-Host "build is skipped ..."
      }
  - ps: ./.ci/validation.cmd git_diff
  - ps: echo "Size of caches (bytes):"
  - ps: Get-ChildItem -Recurse 'C:\maven\apache-maven-3.8.8' | Measure-Object -Property Length -Sum
  - ps: Get-ChildItem -Recurse 'C:\Users\appveyor\.m2' | Measure-Object -Property Length -Sum