anchor.diff:  EXIT /b %return-code%
   
   :usage
  -  ECHO build.cmd [clean^|release^|test^|package] [options]
  +  ECHO build.cmd [clean^|release^|test^|pack] [options]
     ECHO   clean: clean intermediate files
     ECHO   release: a shortcut for "--config Release --nuget"
     ECHO   test: run tests only from existing build
  -  ECHO   package: create NuGet packages only from Release build
  +  ECHO   pack: create NuGet packages only from Release build
     ECHO options:
     ECHO  --solution ^<value^>    [amqp.sln]   solution to build
     ECHO  --config ^<value^>      [Debug]   build configuration (e.g. Debug, Release)
  
positive.code:         IF ERRORLEVEL 1 EXIT /b 1
        )
      )
    ) ELSE (
      "%dotnetPath%" %1 -c %build-config% -v %build-verbosity% %build-sln%
      IF ERRORLEVEL 1 EXIT /b 1
    )
  
    EXIT /b 0
  
negative.code: ECHO Build version: %build-version%
  ECHO Build configuration: %build-config%
  ECHO Build platform: %build-platform%
  ECHO Build run tests: %build-test%
  ECHO Build NuGet package: %build-nuget%
  ECHO.
  