From 59bd6e87a44fab86c511f78ff50f3e3c4cca4b59 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <edolstra@gmail.com>
Date: Fri, 9 Oct 2020 21:55:59 +0200
Subject: [PATCH] Completions::add(): Guard against newlines

---
 src/libutil/args.cc | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/src/libutil/args.cc b/src/libutil/args.cc
index 66d8df085..8bd9c8aeb 100644
--- a/src/libutil/args.cc
+++ b/src/libutil/args.cc
@@ -19,10 +19,11 @@ void Args::addFlag(Flag && flag_)
 
 void Completions::add(std::string completion, std::string description)
 {
-    insert(Completion{
-            .completion = completion,
-            .description = description
-            });
+    assert(description.find('\n') == std::string::npos);
+    insert(Completion {
+        .completion = completion,
+        .description = description
+    });
 }
 
 bool Completion::operator<(const Completion & other) const