From 7423e450495ecc7d32ee359ee64fa991e516b5a1 Mon Sep 17 00:00:00 2001
From: Jacob Hoffman-Andrews <github@hoffman-andrews.com>
Date: Sat, 15 Oct 2022 01:57:20 -0700
Subject: [PATCH] Use --offline when building docs

This reflects the intent of the command, since containers are isolated from the
network. And it provides a clearer error message in case there is some problem
and cargo would try to make a network request.
---
 src/docbuilder/rustwide_builder.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/docbuilder/rustwide_builder.rs b/src/docbuilder/rustwide_builder.rs
index 97d653909..cfb35421e 100644
--- a/src/docbuilder/rustwide_builder.rs
+++ b/src/docbuilder/rustwide_builder.rs
@@ -673,6 +673,7 @@ impl RustwideBuilder {
 
         // Add docs.rs specific arguments
         let mut cargo_args = vec![
+            "--offline".into(),
             // We know that `metadata` unconditionally passes `-Z rustdoc-map`.
             // Don't copy paste this, since that fact is not stable and may change in the future.
             "-Zunstable-options".into(),