From bbc3cd43784b69beda25dc0f002514d656d853a2 Mon Sep 17 00:00:00 2001
From: Marc-Antoine Perennou <Marc-Antoine@Perennou.com>
Date: Thu, 25 Oct 2018 10:29:08 +0200
Subject: [PATCH] rustbuild: fix remap-debuginfo when building a release

Fallback to the release number as we can't get the
git commit sha as we're not in a git repository.

Fixes #55341

Signed-off-by: Marc-Antoine Perennou <Marc-Antoine@Perennou.com>
---
 src/bootstrap/lib.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/bootstrap/lib.rs b/src/bootstrap/lib.rs
index 4e26c98a62759..ab3d0b51370f1 100644
--- a/src/bootstrap/lib.rs
+++ b/src/bootstrap/lib.rs
@@ -765,7 +765,7 @@ impl Build {
 
         let path = match which {
             GitRepo::Rustc => {
-                let sha = self.rust_info.sha().expect("failed to find sha");
+                let sha = self.rust_sha().unwrap_or(channel::CFG_RELEASE_NUM);
                 format!("/rustc/{}", sha)
             }
             GitRepo::Llvm => format!("/rustc/llvm"),