From 8b099812eab7ccad9ebc6906450b637044de9369 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <edolstra@gmail.com>
Date: Mon, 15 Jun 2020 18:18:02 +0200
Subject: [PATCH] Respect terminal width printing error messages

---
 src/libutil/error.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libutil/error.cc b/src/libutil/error.cc
index da11d1ffd..0fad9ae42 100644
--- a/src/libutil/error.cc
+++ b/src/libutil/error.cc
@@ -105,7 +105,7 @@ void printCodeLines(std::ostream &out, const string &prefix, const NixCode &nixC
 
 std::ostream& operator<<(std::ostream &out, const ErrorInfo &einfo)
 {
-    size_t errwidth = 80;
+    auto errwidth = std::max<size_t>(getWindowSize().second, 20);
     string prefix = "";
 
     string levelString;