anchor.diff: -setlocal EnableDelayedExpansion
  -
   echo OFF
   
   where curl
  
positive.code:     conda update -n root anaconda-client -y
  )
  
  if "%ENVIRONMENT%"== "" (
      conda env update statiskit/statiskit-dev
      if errorlevel 1 (
          echo "Installation of the development environment failed." 
          echo "Developer configuration failed."
          exit 1
      ) else (
          echo "Developer configuration succeded."
      )
  ) else (
      conda env update statiskit/statiskit-dev -n %ENVIRONMENT%
      if errorlevel 1 (
          echo "Installation of the development environment failed." 
          echo "Developer configuration failed."
          exit 1
      ) else (
          echo "Developer configuration succeded."
      )
  )
  
  echo OFF
  
negative.code: call user_install.bat
  if errorlevel 1 exit 1
  if "%CLEAN_INSTALL%"=="1" del user_install.bat
  
  python -c "import conda_build" >nul 2>nul
  if errorlevel 1 (
  