From 1edcf5fc15f3df79961c5281cc6c26e866f7e1e0 Mon Sep 17 00:00:00 2001
From: Rhys Arkins <rhys@arkins.net>
Date: Fri, 14 May 2021 19:37:02 +0200
Subject: [PATCH] fix: Revert "feat(proxy): proxy environment variables
 available in lowercase for child processes. (#9978)"

This reverts commit 2d9734c3dad30b45b9db9eec442ac5f89e766f9b.
---
 lib/proxy.spec.ts    | 26 --------------------------
 lib/proxy.ts         |  4 ----
 lib/util/exec/env.ts |  3 ---
 3 files changed, 33 deletions(-)

diff --git a/lib/proxy.spec.ts b/lib/proxy.spec.ts
index 408b9a275d..c999ed909f 100644
--- a/lib/proxy.spec.ts
+++ b/lib/proxy.spec.ts
@@ -7,9 +7,7 @@ describe('proxy', () => {
 
   beforeEach(() => {
     delete process.env.HTTP_PROXY;
-    delete process.env.http_proxy;
     delete process.env.HTTPS_PROXY;
-    delete process.env.https_proxy;
     delete process.env.NO_PROXY;
     delete process.env.no_proxy;
   });
@@ -19,35 +17,11 @@ describe('proxy', () => {
     bootstrap();
     expect(hasProxy()).toBeTrue();
   });
-  it('copies upper case HTTP_PROXY to http_proxy', () => {
-    process.env.HTTP_PROXY = httpProxy;
-    bootstrap();
-    expect(hasProxy()).toBeTrue();
-    expect(process.env.HTTP_PROXY).toBeDefined();
-    expect(process.env.http_proxy).toBeDefined();
-
-    expect(process.env.HTTPS_PROXY).toBeUndefined();
-    expect(process.env.https_proxy).toBeUndefined();
-    expect(process.env.NO_PROXY).toBeUndefined();
-    expect(process.env.no_proxy).toBeUndefined();
-  });
   it('respects HTTPS_PROXY', () => {
     process.env.HTTPS_PROXY = httpsProxy;
     bootstrap();
     expect(hasProxy()).toBeTrue();
   });
-  it('copies upper case HTTPS_PROXY to https_proxy', () => {
-    process.env.HTTPS_PROXY = httpsProxy;
-    bootstrap();
-    expect(hasProxy()).toBeTrue();
-    expect(process.env.HTTPS_PROXY).toBeDefined();
-    expect(process.env.https_proxy).toBeDefined();
-
-    expect(process.env.HTTP_PROXY).toBeUndefined();
-    expect(process.env.http_proxy).toBeUndefined();
-    expect(process.env.NO_PROXY).toBeUndefined();
-    expect(process.env.no_proxy).toBeUndefined();
-  });
   it('does nothing', () => {
     process.env.no_proxy = noProxy;
     bootstrap();
diff --git a/lib/proxy.ts b/lib/proxy.ts
index cb577b55c3..a1f7ca6d61 100644
--- a/lib/proxy.ts
+++ b/lib/proxy.ts
@@ -14,10 +14,6 @@ export function bootstrap(): void {
     ) {
       process.env[envVar] = process.env[envVar.toLowerCase()];
     }
-
-    if (process.env[envVar]) {
-      process.env[envVar.toLowerCase()] = process.env[envVar];
-    }
   });
 
   if (
diff --git a/lib/util/exec/env.ts b/lib/util/exec/env.ts
index 480338560e..faffd61bf8 100644
--- a/lib/util/exec/env.ts
+++ b/lib/util/exec/env.ts
@@ -4,9 +4,6 @@ const basicEnvVars = [
   'HTTP_PROXY',
   'HTTPS_PROXY',
   'NO_PROXY',
-  'http_proxy',
-  'https_proxy',
-  'no_proxy',
   'HOME',
   'PATH',
   'LC_ALL',
-- 
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