From 187ca86a5411fbf886128b585fe4e58439c5bd47 Mon Sep 17 00:00:00 2001
From: Kartik Raj <karraj@microsoft.com>
Date: Fri, 15 Sep 2023 13:34:05 -0700
Subject: [PATCH] Do not upper case custom env variables (#22004)

For #20950 closes
https://github.com/microsoft/vscode-python/issues/22005
---
 .../interpreter/activation/terminalEnvVarCollectionService.ts  | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/client/interpreter/activation/terminalEnvVarCollectionService.ts b/src/client/interpreter/activation/terminalEnvVarCollectionService.ts
index 75ef8168484b..9bc95ee6d2e3 100644
--- a/src/client/interpreter/activation/terminalEnvVarCollectionService.ts
+++ b/src/client/interpreter/activation/terminalEnvVarCollectionService.ts
@@ -36,6 +36,7 @@ import { getSearchPathEnvVarNames } from '../../common/utils/exec';
 import { EnvironmentVariables } from '../../common/variables/types';
 import { TerminalShellType } from '../../common/terminal/types';
 import { OSType } from '../../common/utils/platform';
+import { normCase } from '../../common/platform/fs-paths';
 
 @injectable()
 export class TerminalEnvVarCollectionService implements IExtensionActivationService, ITerminalEnvVarCollectionService {
@@ -383,7 +384,7 @@ function getPromptForEnv(interpreter: PythonEnvironment | undefined) {
 function normCaseKeys(env: EnvironmentVariables): EnvironmentVariables {
     const result: EnvironmentVariables = {};
     Object.keys(env).forEach((key) => {
-        result[key.toUpperCase()] = env[key];
+        result[normCase(key)] = env[key];
     });
     return result;
 }