[PATCH] gitweb: show no difference message

[Martin Koegler <mkoegler@auto.tuwien.ac.at>]

Currently, gitweb shows only header and footer, if no differences are
found. This patch adds a "No differences are found" message for the html
output.

Signed-off-by: Martin Koegler <mkoegler@auto.tuwien.ac.at>
---
 gitweb/gitweb.perl |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/gitweb/gitweb.perl b/gitweb/gitweb.perl
index 5214050..fbadab4 100755
--- a/gitweb/gitweb.perl
+++ b/gitweb/gitweb.perl
@@ -2376,6 +2376,7 @@ sub git_patchset_body {
 
 	my $patch_idx = 0;
 	my $patch_line;
+	my $empty = 0;
 	my $diffinfo;
 	my (%from, %to);
 
@@ -2396,6 +2397,7 @@ sub git_patchset_body {
 		# git diff header
 		#assert($patch_line =~ m/^diff /) if DEBUG;
 		#assert($patch_line !~ m!$/$!) if DEBUG; # is chomp-ed
+		$empty++;
 		push @diff_header, $patch_line;
 
 		# extended diff header
@@ -2559,6 +2561,8 @@ sub git_patchset_body {
 		print "</div>\n"; # class="patch"
 	}
 
+	print "<div class=\"diff header\">No differences found</div>\n" if (!$empty);
+
 	print "</div>\n"; # class="patchset"
 }
 
-- 
1.5.1.rc1.51.gb08b-dirty