From 55239519c57b82521605622e6c71640a31ed4586 Mon Sep 17 00:00:00 2001
From: Matt Ezell <ezell.matt@gmail.com>
Date: Thu, 18 Apr 2019 14:29:39 -0500
Subject: [PATCH] feat(process.env.path): Use platform specific path casing if
 present

Assume proper win32 path casing - only seek out alternative casing if
win32 OS specific casing not present.

Fix: #29
PR-URL: https://github.com/npm/npm-lifecycle/pull/30
Close: #30
Reviewed-by: @isaacs
---
 index.js | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/index.js b/index.js
index 4287648..a6cf4f5 100644
--- a/index.js
+++ b/index.js
@@ -23,11 +23,13 @@ let PATH = 'PATH'
 // windows calls it's path 'Path' usually, but this is not guaranteed.
 if (process.platform === 'win32') {
   PATH = 'Path'
-  Object.keys(process.env).forEach(function (e) {
-    if (e.match(/^PATH$/i)) {
-      PATH = e
-    }
-  })
+  if (!process.env[PATH]) {
+    Object.keys(process.env).forEach(function (e) {
+      if (e.match(/^PATH$/i)) {
+        PATH = e
+      }
+    })
+  }
 }
 
 function logid (pkg, stage) {