From 55ab14dde2e6e78f66f74105c5d80d385494929e Mon Sep 17 00:00:00 2001
From: Josh Triplett <josh@joshtriplett.org>
Date: Sat, 16 Jul 2016 21:06:49 -0700
Subject: [PATCH] If writing an error to the pager fails, write it to stderr

This ensures that errors about the pager itself, such as broken pipes,
show up somewhere.
---
 src/main.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/main.rs b/src/main.rs
index e121f4e3801d8f4fab02c4bde8544c9957ee79db..d00a9fd58cfe0efd033e45ed5978e37e05a9c604 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -624,7 +624,9 @@ impl Output {
 
     fn write_err(&mut self, msg: &str) {
         if self.include_stderr {
-            write!(self, "{}", msg).unwrap();
+            if write!(self, "{}", msg).is_err() {
+                write!(std::io::stderr(), "{}", msg).unwrap();
+            }
         } else {
             write!(std::io::stderr(), "{}", msg).unwrap();
         }