From ffa00870d1ce6ae18d11aa7511f432b7b184e1e9 Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Sat, 13 Oct 2018 10:46:41 +0100
Subject: [PATCH 1/1] dgit: Reject all git config options containing newlines

If we find something like this our regexp-based checking approaches
are likely to fail and other strange may will go wrong.

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---
 dgit | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/dgit b/dgit
index 6dbf166c..a37e8979 100755
--- a/dgit
+++ b/dgit
@@ -790,6 +790,9 @@ sub git_get_config ($) {
 	@$l==1 or badcfg
 	    f_ "multiple values for %s (in %s git config)", $c, $src
 	    if @$l > 1;
+	$l->[0] =~ m/\n/ and badcfg f_
+ "value for config option %s (in %s git config) contains newline(s)!",
+            $c, $src;
 	return $l->[0];
     }
     return undef;
-- 
2.30.2