anchor.diff:  @echo solution that waits until the import is really finished.
   @ping 1.1.1.1 -n 1 -w 240000 > nul
   
  +set result=0
  +
   pushd %tmp_path%
   call :create_vagrantfile
   set VAGRANT_LOG=debug
  
positive.code: exit /b
  
  :done
  
negative.code: 
  vagrant box remove %box_name% --provider=%box_provider%
  vagrant box add %box_name% %box_path%
  if ERRORLEVEL 1 set result=%ERRORLEVEL%
  if ERRORLEVEL 1 goto :done
  mkdir %tmp_path%
  
  