From e13d92bb6a5a2a1e18b87ce4a88a744361a27952 Mon Sep 17 00:00:00 2001
From: Dylan Baker <dylan@pnwbakers.com>
Date: Wed, 8 Dec 2021 09:35:03 -0800
Subject: [PATCH] mesonlib: make get_meson_command return an ImmutableList
We really don't want to be mutating global state, so let mypy yell at us
when we try.
---
mesonbuild/mesonlib/universal.py | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/mesonbuild/mesonlib/universal.py b/mesonbuild/mesonlib/universal.py
index f6c7f6446..7699ea446 100644
--- a/mesonbuild/mesonlib/universal.py
+++ b/mesonbuild/mesonlib/universal.py
@@ -155,7 +155,7 @@ if os.path.basename(sys.executable) == 'meson.exe':
python_command = [sys.executable, 'runpython']
else:
python_command = [sys.executable]
-_meson_command = None
+_meson_command: T.Optional['ImmutableListProtocol[str]'] = None
class MesonException(Exception):
'''Exceptions thrown by Meson'''
@@ -230,7 +230,7 @@ def set_meson_command(mainfile: str) -> None:
mlog.log(f'meson_command is {_meson_command!r}')
-def get_meson_command() -> T.Optional[T.List[str]]:
+def get_meson_command() -> T.Optional['ImmutableListProtocol[str]']:
return _meson_command