[PATCH 3/4] gitweb: make logo optional

[Jonathan Nieder <jrnieder@gmail.com>]

Some sites may not want to have a logo at all.  In particular,
git instaweb can benefit from this.

Cc: Jakub Narebski <jnareb@gmail.com>
Cc: Eric Wong <normalperson@yhbt.net>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
---
 gitweb/gitweb.perl |   10 ++++++----
 1 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/gitweb/gitweb.perl b/gitweb/gitweb.perl
index cc20e74..9a72562 100755
--- a/gitweb/gitweb.perl
+++ b/gitweb/gitweb.perl
@@ -3269,10 +3269,12 @@ EOF
 		insert_file($site_header);
 	}
 
-	print "<div class=\"page_header\">\n" .
-	      $cgi->a({-href => esc_url($logo_url),
-	               -title => $logo_label},
-	              qq(<img src="$logo" width="72" height="27" alt="git" class="logo"/>));
+	print "<div class=\"page_header\">\n";
+	if (defined $logo) {
+		print $cgi->a({-href => esc_url($logo_url),
+		               -title => $logo_label},
+		              qq(<img src="$logo" width="72" height="27" alt="git" class="logo"/>));
+	}
 	print $cgi->a({-href => esc_url($home_link)}, $home_link_str) . " / ";
 	if (defined $project) {
 		print $cgi->a({-href => href(action=>"summary")}, esc_html($project));
-- 
1.7.2.2