Update venv activate.bat to escape custom PROMPT variables on Windows (GH-114885)

diff --git a/Lib/venv/scripts/nt/activate.bat b/Lib/venv/scripts/nt/activate.bat
index 2c98122362a060f6bfbc46a2a4080b85fe1a0a8d..dd5ea8eb67b90a7246eeeced4187d2f023b4b508 100644 (file)
--- a/Lib/venv/scripts/nt/activate.bat
+++ b/Lib/venv/scripts/nt/activate.bat
@@ -15,8 +15,8 @@ if not defined PROMPT set PROMPT=$P$G
 if defined _OLD_VIRTUAL_PROMPT set PROMPT=%_OLD_VIRTUAL_PROMPT%
 if defined _OLD_VIRTUAL_PYTHONHOME set PYTHONHOME=%_OLD_VIRTUAL_PYTHONHOME%
 
-set _OLD_VIRTUAL_PROMPT=%PROMPT%
-set PROMPT=(__VENV_PROMPT__) %PROMPT%
+set "_OLD_VIRTUAL_PROMPT=%PROMPT%"
+set "PROMPT=(__VENV_PROMPT__) %PROMPT%"
 
 if defined PYTHONHOME set _OLD_VIRTUAL_PYTHONHOME=%PYTHONHOME%
 set PYTHONHOME=