From 7616429436c8799bfc0c04287712814423485458 Mon Sep 17 00:00:00 2001
From: David Sherret <dsherret@users.noreply.github.com>
Date: Mon, 13 Jan 2025 22:29:21 -0500
Subject: [PATCH] fix(compile/windows): better handling of deno_dir on
 different drive letter than code (#27654)

Closes https://github.com/denoland/deno/issues/27651
---
 cli/standalone/binary.rs | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/cli/standalone/binary.rs b/cli/standalone/binary.rs
index 296d6825a7..ff0343e27f 100644
--- a/cli/standalone/binary.rs
+++ b/cli/standalone/binary.rs
@@ -1007,8 +1007,16 @@ impl<'a> DenoCompileBinaryWriter<'a> {
         // this is not as optimized as it could be
         let mut last_name =
           Cow::Borrowed(DENO_COMPILE_GLOBAL_NODE_MODULES_DIR_NAME);
-        for ancestor in parent.ancestors() {
-          let dir = vfs.get_dir_mut(ancestor).unwrap();
+        for ancestor in
+          parent.ancestors().map(Some).chain(std::iter::once(None))
+        {
+          let dir = if let Some(ancestor) = ancestor {
+            vfs.get_dir_mut(ancestor).unwrap()
+          } else if cfg!(windows) {
+            vfs.get_system_root_dir_mut()
+          } else {
+            break;
+          };
           if let Ok(index) =
             dir.entries.binary_search(&last_name, case_sensitivity)
           {