@@ -448,25 +448,7 @@ def decygpath(path: PathLike) -> str:
448448_is_cygwin_cache :Dict [str ,Optional [bool ]]= {}
449449
450450
451- @overload
452- def is_cygwin_git (git_executable :None )-> Literal [False ]:
453- ...
454-
455-
456- @overload
457- def is_cygwin_git (git_executable :PathLike )-> bool :
458- ...
459-
460-
461- def is_cygwin_git (git_executable :Union [None ,PathLike ])-> bool :
462- if sys .platform == "win32" :
463- # This is Windows-native Python, since Cygwin has sys.platform == "cygwin".
464- return False
465-
466- if git_executable is None :
467- return False
468-
469- git_executable = str (git_executable )
451+ def _is_cygwin_git (git_executable :str )-> bool :
470452is_cygwin = _is_cygwin_cache .get (git_executable )# type: Optional[bool]
471453if is_cygwin is None :
472454is_cygwin = False
@@ -489,6 +471,25 @@ def is_cygwin_git(git_executable: Union[None, PathLike]) -> bool:
489471return is_cygwin
490472
491473
474+ @overload
475+ def is_cygwin_git (git_executable :None )-> Literal [False ]:
476+ ...
477+
478+
479+ @overload
480+ def is_cygwin_git (git_executable :PathLike )-> bool :
481+ ...
482+
483+
484+ def is_cygwin_git (git_executable :Union [None ,PathLike ])-> bool :
485+ if sys .platform == "win32" :# TODO: See if we can use `sys.platform != "cygwin"`.
486+ return False
487+ elif git_executable is None :
488+ return False
489+ else :
490+ return _is_cygwin_git (str (git_executable ))
491+
492+
492493def get_user_id ()-> str :
493494""":return: String identifying the currently active system user as ``name@node``"""
494495return "%s@%s" % (getpass .getuser (),platform .node ())