From a8a18c8f483c03492a114aac2be5e89b8f32f5c8 Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Thu, 11 Oct 2018 00:23:17 +0100
Subject: [PATCH] dgit: Add missing error check in single-debian-patch handling

We called rename here without checking the error at all.
Handle ENOENT in case dpkg-source makes no patch.

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---
 dgit | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/dgit b/dgit
index 6b961f5d..e35f1681 100755
--- a/dgit
+++ b/dgit
@@ -5805,7 +5805,9 @@ sub quilt_fixup_singlepatch ($$$) {
     changedir "..";
     runcmd @dpkgsource, qw(-x), (srcfn $version, ".dsc");
     rename srcfn("$upstreamversion", "/debian/patches"), 
-           "work/debian/patches";
+	"work/debian/patches"
+	or $!==ENOENT
+	or confess "install d/patches: $!";
 
     changedir "work";
     commit_quilty_patch();
-- 
2.30.2