From 7f4b27dad75955090b3777216c31c9d0ab073f49 Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Sat, 4 Jun 2016 16:57:35 +0100
Subject: [PATCH] Split brain: Provide optional $ignorenamesr argument to
 quiltify_trees_differ

We are going to need this information to construct the substantive
diff for the .gitignores patch.
---
 dgit | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/dgit b/dgit
index 4f12594f..1c52b635 100755
--- a/dgit
+++ b/dgit
@@ -2515,8 +2515,8 @@ END
     }
 }
 
-sub quiltify_trees_differ ($$;$) {
-    my ($x,$y,$finegrained) = @_;
+sub quiltify_trees_differ ($$;$$) {
+    my ($x,$y,$finegrained,$ignorenamesr) = @_;
     # returns true iff the two tree objects differ other than in debian/
     # with $finegrained,
     # returns bitmask 01 - differ in upstream files except .gitignore
@@ -2531,7 +2531,9 @@ sub quiltify_trees_differ ($$;$) {
     my $r = 0;
     foreach my $f (split /\0/, $diffs) {
 	next if $f =~ m#^debian(?:/.*)?$#s;
-	$r |= ($f =~ m#^(?:.*/)?.gitignore$#s) ? 02 : 01;
+	my $isignore = $f =~ m#^(?:.*/)?.gitignore$#s;
+	$r |= $isignore ? 02 : 01;
+	$ignorenamesr->{$f}=1 if $ignorenamesr && $isignore;
     }
     printdebug "quiltify_trees_differ $x $y => $r\n";
     return $r;
-- 
2.30.2