From 54e5c19f087f11ed0a0a88c1f4f34cc8cac574fd Mon Sep 17 00:00:00 2001
From: Jacob Heider <jacob@tea.xyz>
Date: Thu, 9 Mar 2023 20:15:40 -0500
Subject: [PATCH] only call git on git checkouts

---
 src/bootstrap/native.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/bootstrap/native.rs b/src/bootstrap/native.rs
index 909e7d83a1599..7f6d80c91ade5 100644
--- a/src/bootstrap/native.rs
+++ b/src/bootstrap/native.rs
@@ -216,7 +216,7 @@ pub(crate) fn is_ci_llvm_available(config: &Config, asserts: bool) -> bool {
 
 /// Returns true if we're running in CI with modified LLVM (and thus can't download it)
 pub(crate) fn is_ci_llvm_modified(config: &Config) -> bool {
-    CiEnv::is_ci() && {
+    CiEnv::is_ci() && config.rust_info.is_managed_git_subrepository() && {
         // We assume we have access to git, so it's okay to unconditionally pass
         // `true` here.
         let llvm_sha = detect_llvm_sha(config, true);