From dc69ced895a3afed3e0128cbdfa3b231cecf81f7 Mon Sep 17 00:00:00 2001
From: Eric Traut <etraut@openai.com>
Date: Fri, 15 May 2026 23:37:54 -0700
Subject: [PATCH] doctor: use npm.cmd for Windows npm root probe (#22964)

---
 codex-rs/cli/src/doctor.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/codex-rs/cli/src/doctor.rs b/codex-rs/cli/src/doctor.rs
index a3742baa72e..f2b1bca6d7e 100644
--- a/codex-rs/cli/src/doctor.rs
+++ b/codex-rs/cli/src/doctor.rs
@@ -105,6 +105,10 @@ const COLOR_ENV_VARS: &[&str] = &[
 const TERMINAL_DIMENSION_ENV_VARS: &[&str] = &["COLUMNS", "LINES"];
 const TERMINFO_ENV_VARS: &[&str] = &["TERMINFO", "TERMINFO_DIRS"];
 const LOCALE_ENV_VARS: &[&str] = &["LC_ALL", "LC_CTYPE", "LANG"];
+#[cfg(windows)]
+const NPM_COMMAND: &str = "npm.cmd";
+#[cfg(not(windows))]
+const NPM_COMMAND: &str = "npm";
 const REMOTE_TERMINAL_ENV_VARS: &[&str] = &[
     "SSH_TTY",
     "SSH_CONNECTION",
@@ -884,7 +888,7 @@ fn npm_global_root_check() -> NpmRootCheck {
         return NpmRootCheck::MissingPackageRoot;
     };
 
-    let output = match run_command("npm", ["root", "-g"]) {
+    let output = match run_command(NPM_COMMAND, ["root", "-g"]) {
         Ok(output) => output,
         Err(err) => return NpmRootCheck::NpmUnavailable(err),
     };