From 62d529a8b714c57ed604ef8b73724a93b8306d31 Mon Sep 17 00:00:00 2001
From: Jonathan Cammisuli <jon@cammisuli.ca>
Date: Mon, 21 Aug 2023 17:06:46 -0400
Subject: [PATCH] fix(core): do not remove drive letter if running from a temp
 directory on windows

---
 packages/devkit/src/utils/package-json.ts | 6 ++++++
 packages/nx/src/utils/path.ts             | 5 +++++
 2 files changed, 11 insertions(+)

diff --git a/packages/devkit/src/utils/package-json.ts b/packages/devkit/src/utils/package-json.ts
index 0a2f7d4d550036..4e9bc834b59997 100644
--- a/packages/devkit/src/utils/package-json.ts
+++ b/packages/devkit/src/utils/package-json.ts
@@ -465,6 +465,12 @@ export function ensurePackage<T extends any = any>(
     dir: dirSync().name,
   };
 
+  // check if the platform is windows, and if the drive letters of the temp directory and current directory match
+  // if the drive letters do not match, we need to make sure that we do not remove the letter while trying to generate files
+  if (process.platform == 'win32' && tempDir[0] !== process.cwd[0]) {
+    process.env.NX_WINDOWS_DRIVE_LETTERS_MISMATCH = 'true';
+  }
+
   console.log(`Fetching ${pkg}...`);
   const packageManager = detectPackageManager();
   const isVerbose = process.env.NX_VERBOSE_LOGGING === 'true';
diff --git a/packages/nx/src/utils/path.ts b/packages/nx/src/utils/path.ts
index df6ab83a7b22a6..36a425e140b449 100644
--- a/packages/nx/src/utils/path.ts
+++ b/packages/nx/src/utils/path.ts
@@ -1,6 +1,11 @@
 import * as path from 'path';
 
 function removeWindowsDriveLetter(osSpecificPath: string): string {
+  // This process is running from a temp directory (which is normally on C:) while the cwd is on a different drive letter
+  // do not remove the drive letter in this scenario
+  if (process.env.NX_WINDOWS_DRIVE_LETTERS_MISMATCH === 'true') {
+    return osSpecificPath;
+  }
   return osSpecificPath.replace(/^[A-Z]:/, '');
 }