anchor.diff:  set base_path=("%PATH:;=" "%")
   for %%p in %base_path% do (
       if exist %%p\git.exe (
  -        set base=%%p
  -        set git_root=!base:~0,-4!
  +        set base=%%~p
  +        set git_root="!base:~0,-4!"
       )
   )
   if %git_root%==undefined (
  
positive.code: )
  
  rem If git was found, execute any requested operation, or simply start the git shell
  set PATH=%git_root%\bin;%git_root%\cmd;%PATH%
  set PLINK_PROTOCOL=ssh
  if "%HOME%"=="" (
      set HOME=%USERPROFILE%
  
negative.code:         if exist %%p\bin\git.exe set git_root=%%p
      )
  )
  rem If the git couldn't be found, offer to install it
  if %git_root%==undefined (
      echo GitBox couldn't locate a valid git installation.
  