Split brain: quiltify_trees_differ supports $ignoregitignore (nfc)

We are going to want to handle this specially.

1 files changed, 3 insertions, 2 deletions

diff --git a/dgit b/dgit
index 77f8819..370986d 100755
--- a/dgit
+++ b/dgit
@@ -2510,14 +2510,15 @@ END
     }
 }
 
-sub quiltify_trees_differ ($$) {
-    my ($x,$y) = @_;
+sub quiltify_trees_differ ($$;$) {
+    my ($x,$y,$ignoregitignore) = @_;
     # returns 1 iff the two tree objects differ other than in debian/
     local $/=undef;
     my @cmd = (@git, qw(diff-tree --name-only -z), $x, $y);
     my $diffs= cmdoutput @cmd;
     foreach my $f (split /\0/, $diffs) {
 	next if $f eq 'debian';
+	next if $f eq '.gitignore' && $ignoregitignore;
 	return 1;
     }
     return 0;