anchor.diff:  set artifacts_nuget_path="%cd%\artifacts\nuget"
   set sources_path="%cd%\src"
   set build_output="%artifacts_sources_path%\Hangfire.Mongo\bin\Release"
  +set nuget="%sources_path%\.nuget\NuGet.exe"
   
   echo build number : %APPVEYOR_BUILD_NUMBER%
   echo build tag    : %APPVEYOR_REPO_TAG%
  
positive.code: echo msbuild path = %msbuild%
  echo source path = %sources_path%@echo off
  
  set community_msbuild=C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\MSBuild\15.0\Bin\MSBuild.exe
  set proofessional_msbuild=C:\Program Files (x86)\Microsoft Visual Studio\2017\Professional\MSBuild\15.0\Bin\MSBuild.exe
  
negative.code: echo copying source files to artifacts folder
  xcopy /e /v /q /f %sources_path% %artifacts_sources_path%
  
  echo Restoring NuGet packages...
  %nuget% restore %artifacts_sources_path%\Hangfire.Mongo\Hangfire.Mongo.csproj
  
  echo build project using selected MSBuild
  %msbuild% %artifacts_sources_path%\Hangfire.Mongo\Hangfire.Mongo.csproj /t:Rebuild /t:pack /p:Configuration="Release"
  
  