remove msys2 detection

pallets · Jul 6, 2023 · 8f019ba · 8f019ba
1 parent af1e8d4
commit 8f019ba
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diff --git a/CHANGES.rst b/CHANGES.rst
@@ -28,6 +28,7 @@ Unreleased
     ``cls`` parameter is used. :issue:`2294`
 -   Don't fail when writing filenames to streams with strict errors. Replace invalid
     bytes with the replacement character (``�``). :issue:`2395`
+-   Remove unnecessary attempt to detect MSYS2 environment. :issue:`2355`
 
 
 Version 8.1.3

diff --git a/src/click/_compat.py b/src/click/_compat.py
@@ -7,12 +7,11 @@
 from weakref import WeakKeyDictionary
 
 CYGWIN = sys.platform.startswith("cygwin")
-MSYS2 = sys.platform.startswith("win") and ("GCC" in sys.version)
 # Determine local App Engine environment, per Google's own suggestion
 APP_ENGINE = "APPENGINE_RUNTIME" in os.environ and "Development/" in os.environ.get(
     "SERVER_SOFTWARE", ""
 )
-WIN = sys.platform.startswith("win") and not APP_ENGINE and not MSYS2
+WIN = sys.platform.startswith("win") and not APP_ENGINE
 auto_wrap_for_ansi: t.Optional[t.Callable[[t.TextIO], t.TextIO]] = None
 _ansi_re = re.compile(r"\033\[[;?0-9]*[a-zA-Z]")