appveyor.yml

version: 1.0.{build}
image: Visual Studio 2017
  
install:
  - ps: Install-PackageProvider -Name NuGet -Force
  - ps: Install-Module PsScriptAnalyzer -Force
  
build: false
test_script:
  - ps: |
      Add-AppveyorTest -Name "PsScriptAnalyzer" -Outcome Running
      $Results = Invoke-ScriptAnalyzer -Path $pwd -Recurse -Severity Error -ErrorAction SilentlyContinue
      If ($Results) {
        $ResultString = $Results | Out-String
        Write-Warning $ResultString
        Add-AppveyorMessage -Message "PSScriptAnalyzer output contained one or more result(s) with 'Error' severity.`
        Check the 'Tests' tab of this build for more details." -Category Error
        Update-AppveyorTest -Name "PsScriptAnalyzer" -Outcome Failed -ErrorMessage $ResultString
        
        # Failing the build
        Throw "Build failed"
      }
      Else {
        Update-AppveyorTest -Name "PsScriptAnalyzer" -Outcome Passed
      }