v121

[Gitweb] / gitweb.cgi

diff --git a/gitweb.cgi b/gitweb.cgi
index fa2d0452efd45ec88827207b6a223a5376f5c80d544e5e30f263eefb89e6c100..ee86379b4921764d5dbdfab309ba06650e8de1238f4e9b174d3b5cf4aa3c97ec 100755 (executable)
--- a/gitweb.cgi
+++ b/gitweb.cgi
@@ -5,148 +5,242 @@
 # (C) 2005, Kay Sievers <kay.sievers@vrfy.org>
 # (C) 2005, Christian Gierke <ch@gierke.de>
 #
 # (C) 2005, Kay Sievers <kay.sievers@vrfy.org>
 # (C) 2005, Christian Gierke <ch@gierke.de>
 #

-# This file is licensed under the GPL v2, or a later version
+# This program is licensed under the GPL v2, or a later version

 
 use strict;
 use warnings;
 use CGI qw(:standard :escapeHTML);
 use CGI::Carp qw(fatalsToBrowser);
 
 use strict;
 use warnings;
 use CGI qw(:standard :escapeHTML);
 use CGI::Carp qw(fatalsToBrowser);

+use Fcntl ':mode';

 
 my $cgi = new CGI;
 
 my $cgi = new CGI;

+my $version =          "121";
+my $my_url =           $cgi->url();
+my $my_uri =           $cgi->url(-absolute => 1);
+my $rss_link = "";

 
 

-my $version =          "082";
+# absolute fs-path which will be prepended to the project path

 my $projectroot =      "/pub/scm";
 my $projectroot =      "/pub/scm";

-my $home_link =                "/git";
+
+# location of the git-core binaries

 my $gitbin =           "/usr/bin";
 my $gitbin =           "/usr/bin";

+
+# location for temporary files needed for diffs

 my $gittmp =           "/tmp/gitweb";
 my $gittmp =           "/tmp/gitweb";

-my $logo_link =                "/pub/software/scm/cogito";
-my $my_url =           $cgi->url();
-my $my_uri =           $cgi->url(-absolute => 1);

 
 

-mkdir($gittmp, 0700);
-my $project = $cgi->param('p');
+# target of the home link on top of all pages
+my $home_link =                "/git";
+
+# source of projects list
+#my $projects_list = $projectroot;
+my $projects_list = "index/index.txt";
+
+# input validation and dispatch

 my $action = $cgi->param('a');
 my $action = $cgi->param('a');

-my $hash = $cgi->param('h');
-my $hash_parent = $cgi->param('hp');
-my $file_name = $cgi->param('f');
-my $time_back = $cgi->param('t');
-$ENV{'SHA1_FILE_DIRECTORY'} = "$projectroot/$project/objects";
+if (defined $action) {
+       if ($action =~ m/[^0-9a-zA-Z\.\-]+/) {
+               undef $action;
+               die_error(undef, "Invalid action parameter.");
+       }
+       if ($action eq "git-logo.png") {
+               git_logo();
+               exit;
+       }
+} else {
+       $action = "log";
+}

 
 

-# validate input
-if (defined($project)) {
-       if ($project =~ /(^|\/)(|\.|\.\.)($|\/)/) {
-               die_error("", "Invalid project parameter.");
+my $project = $cgi->param('p');
+if (defined $project) {
+       if ($project =~ m/(^|\/)(|\.|\.\.)($|\/)/) {
+               undef $project;
+               die_error(undef, "Non-canonical project parameter.");
+       }
+       if ($project =~ m/[^a-zA-Z0-9_\.\/\-\+\#\~]/) {
+               undef $project;
+               die_error(undef, "Invalid character in project parameter.");

        }
        if (!(-d "$projectroot/$project")) {
        }
        if (!(-d "$projectroot/$project")) {

-               die_error("", "No such project.");
+               undef $project;
+               die_error(undef, "No such directory.");

        }
        }

+       if (!(-e "$projectroot/$project/HEAD")) {
+               undef $project;
+               die_error(undef, "No such project.");
+       }
+       $rss_link = "<link rel=\"alternate\" title=\"$project log\" href=\"$my_uri?p=$project;a=rss\" type=\"application/rss+xml\"/>";
+       $ENV{'SHA1_FILE_DIRECTORY'} = "$projectroot/$project/objects";
+} else {
+       git_project_list($projects_list);
+       exit;

 }
 }

-if (defined($file_name) && $file_name =~ /(^|\/)(|\.|\.\.)($|\/)/) {
-       die_error("", "Invalid file parameter.");
+
+my $file_name = $cgi->param('f');
+if (defined $file_name) {
+       if ($file_name =~ m/(^|\/)(|\.|\.\.)($|\/)/) {
+               undef $file_name;
+               die_error(undef, "Non-canonical file parameter.");
+       }
+       if ($file_name =~ m/[^a-zA-Z0-9_\.\/\-\+\#\~\:\!]/) {
+               undef $file_name;
+               die_error(undef, "Invalid character in file parameter.");
+       }
+}
+
+my $hash = $cgi->param('h');
+if (defined $hash && !($hash =~ m/^[0-9a-fA-F]{40}$/)) {
+       undef $hash;
+       die_error(undef, "Invalid hash parameter.");

 }
 }

-if (defined($action) && !$action =~ m/^[0-9a-zA-Z\.\-]+$/) {
-       die_error("", "Invalid action parameter.");
+
+my $hash_parent = $cgi->param('hp');
+if (defined $hash_parent && !($hash_parent =~ m/^[0-9a-fA-F]{40}$/)) {
+       undef $hash_parent;
+       die_error(undef, "Invalid hash_parent parameter.");

 }
 }

-if (defined($hash) && !($hash =~ m/^[0-9a-fA-F]{40}$/)) {
-       die_error("", "Invalid hash parameter.");
+
+my $hash_base = $cgi->param('hb');
+if (defined $hash_base && !($hash_base =~ m/^[0-9a-fA-F]{40}$/)) {
+       undef $hash_base;
+       die_error(undef, "Invalid parent hash parameter.");

 }
 }

-if (defined($hash_parent) && !($hash_parent =~ m/^[0-9a-fA-F]{40}$/)) {
-       die_error("", "Invalid parent hash parameter.");
+
+my $time_back = $cgi->param('t');
+if (defined $time_back) {
+       if ($time_back =~ m/^[^0-9]+$/) {
+               undef $time_back;
+               die_error(undef, "Invalid time parameter.");
+       }

 }
 }

-if (defined($time_back) && !($time_back =~ m/^[0-9]+$/)) {
-       die_error("", "Invalid time parameter.");
+
+if ($action eq "blob") {
+       git_blob();
+       exit;
+} elsif ($action eq "tree") {
+       git_tree();
+       exit;
+} elsif ($action eq "rss") {
+       git_rss();
+       exit;
+} elsif ($action eq "commit") {
+       git_commit();
+       exit;
+} elsif ($action eq "log") {
+       git_log();
+       exit;
+} elsif ($action eq "blobdiff") {
+       git_blobdiff();
+       exit;
+} elsif ($action eq "commitdiff") {
+       git_commitdiff();
+       exit;
+} elsif ($action eq "history") {
+       git_history();
+       exit;
+} else {
+       undef $action;
+       die_error(undef, "Unknown action.");
+       exit;

 }
 
 sub git_header_html {
        my $status = shift || "200 OK";
 
 }
 
 sub git_header_html {
        my $status = shift || "200 OK";
 

+       my $title = "git";
+       if (defined $project) {
+               $title .= " - $project";
+               if (defined $action) {
+                       $title .= "/$action";
+               }
+       }

        print $cgi->header(-type=>'text/html',  -charset => 'utf-8', -status=> $status);
        print <<EOF;
        print $cgi->header(-type=>'text/html',  -charset => 'utf-8', -status=> $status);
        print <<EOF;

+<?xml version="1.0" encoding="utf-8"?>

 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">

-<html>
+<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US" lang="en-US">
+<!-- git web interface v$version, (C) 2005, Kay Sievers <kay.sievers\@vrfy.org>, Christian Gierke <ch\@gierke.de> -->

 <head>
 <head>

-       <title>git - $project $action</title>
-       <link rel="alternate" title="$project log" href="$my_uri?p=$project;a=rss" type="application/rss+xml"/>
-       <style type="text/css">
-       body { font-family: sans-serif; font-size: 12px; margin:0px; }
-       a { color:#0000cc; }
-       a:hover { color:#880000; }
-       a:visited { color:#880000; }
-       a:active { color:#880000; }
-       div.page_header {
-               margin:15px 25px 0px; height:25px; padding:8px;
-               font-size:18px; font-weight:bold; background-color:#d9d8d1;
-       }
-       div.page_header a:visited { color:#0000cc; }
-       div.page_header a:hover { color:#880000; }
-       div.page_nav { margin:0px 25px; padding:8px; border:solid #d9d8d1; border-width:0px 1px; }
-       div.page_nav a:visited { color:#0000cc; }
-       div.page_footer {
-               margin:0px 25px 15px; height:17px; padding:4px; padding-left:8px;
-               background-color: #d9d8d1;
-       }
-       div.page_footer_text { float:left; color:#888888; font-size:10px;}
-       div.page_body { margin:0px 25px; padding:8px; border:solid #d9d8d1; border-width:0px 1px; }
-       div.title {
-               display:block; margin:0px 25px; padding:8px;
-               font-weight:bold; background-color:#d9d8d1; color:#000000;
-       }
-       a.title {
-               display:block; margin:0px 25px; padding:6px 8px;
-               font-weight:bold; background-color:#edece6; text-decoration:none; color:#000000;
-       }
-       a.title:hover { background-color: #d9d8d1; }
-       div.title2 {
-               margin:0px 25px; padding:6px 8px;
-               border: solid #d9d8d1; border-width:0px 1px 1px; 
-       }
-       div.log_body {
-               margin:0px 25px; padding:8px; padding-left:150px;
-               border:solid #d9d8d1; border-width:0px 1px;
-       }
-       span.log_age { position:relative; float:left; width:142px; font-style:italic; }
-       div.log_link { font-size:10px; font-family:sans-serif; font-style:normal; position:relative; float:left; width:142px; }
-       div.list {
-               display:block; margin:0px 25px; padding:4px 6px 0px; border:solid #d9d8d1; border-width:1px 1px 0px;
-               font-weight:bold; 
-       }
-       div.list a { text-decoration:none; color:#000000; }
-       div.list a:hover { color:#880000; }
-       div.link { margin:0px 25px; padding:0px 6px; border:solid #d9d8d1; border-width:0px 1px; font-family:sans-serif; font-size:10px; }
-       td.key { padding-right:10px;  }
-       a.xml_logo { float:right; border:1px solid;
-               line-height:15px;
-               border-color:#fcc7a5 #7d3302 #3e1a01 #ff954e; width:35px;
-               color:#ffffff; background-color:#ff6600;
-               font-weight:bold; font-family:sans-serif; text-align:center;
-               font-size:10px; display:block; text-decoration:none;
-       }
-       a.xml_logo:hover { background-color:#ee5500; }
-       </style>
+<title>$title</title>
+$rss_link
+<style type="text/css">
+body { font-family: sans-serif; font-size: 12px; margin:0px; }
+a { color:#0000cc; }
+a:hover { color:#880000; }
+a:visited { color:#880000; }
+a:active { color:#880000; }
+div.page_header {
+       margin:15px 15px 0px; height:25px; padding:8px;
+       font-size:18px; font-weight:bold; background-color:#d9d8d1;
+}
+div.page_header a:visited { color:#0000cc; }
+div.page_header a:hover { color:#880000; }
+div.page_nav { margin:0px 15px; padding:8px; border:solid #d9d8d1; border-width:0px 1px; }
+div.page_nav a:visited { color:#0000cc; }
+div.page_path { font-weight:bold; margin:0px 15px; padding:8px; border:solid #d9d8d1; border-width:0px 1px 1px}
+div.page_footer { margin:0px 15px 15px; height:17px; padding:4px; padding-left:8px; background-color: #d9d8d1; }
+div.page_footer_text { float:left; color:#555555; font-style:italic; }
+div.page_body { margin:0px 15px; padding:8px; border:solid #d9d8d1; border-width:0px 1px; }
+div.title, a.title {
+       display:block; margin:0px 15px; padding:6px 8px;
+       font-weight:bold; background-color:#edece6; text-decoration:none; color:#000000;
+}
+a.title:hover { background-color: #d9d8d1; }
+div.title_text { margin:0px 15px; padding:6px 8px; border: solid #d9d8d1; border-width:0px 1px 1px; }
+div.log_body { margin:0px 15px; padding:8px; padding-left:150px; border:solid #d9d8d1; border-width:0px 1px; }
+span.log_age { position:relative; float:left; width:142px; font-style:italic; }
+div.log_link { font-size:10px; font-family:sans-serif; font-style:normal; position:relative; float:left; width:142px; }
+div.list {
+       display:block; margin:0px 15px; padding:4px 6px 2px; border:solid #d9d8d1; border-width:0px 1px;
+       font-weight:bold;
+}
+div.list_head {
+       display:block; margin:0px 15px; padding:6px 6px 4px; border:solid #d9d8d1; border-width:0px 1px 1px;
+       font-style:italic;
+}
+div.list a { text-decoration:none; color:#000000; }
+div.list a:hover { color:#880000; }
+div.link {
+       margin:0px 15px; padding:0px 6px 8px; border:solid #d9d8d1; border-width:0px 1px 1px;
+       font-family:sans-serif; font-size:10px;
+}
+td { padding:5px 15px 0px 0px; font-size:12px; }
+th { padding-right:10px; font-size:12px; text-align:left; }
+span.diff_info { color:#000099; background-color:#edece6; font-style:italic; }
+a.rss_logo { float:right; padding:3px 0px; width:35px; line-height:10px;
+       border:1px solid; border-color:#fcc7a5 #7d3302 #3e1a01 #ff954e;
+       color:#ffffff; background-color:#ff6600;
+       font-weight:bold; font-family:sans-serif; font-size:10px;
+       text-align:center; text-decoration:none;
+}
+a.rss_logo:hover { background-color:#ee5500; }
+</style>

 </head>
 <body>
 EOF
        print "<div class=\"page_header\">\n" .
 </head>
 <body>
 EOF
        print "<div class=\"page_header\">\n" .

-             "<a href=\"$logo_link\">" .
+             "<a href=\"http://kernel.org/pub/software/scm/cogito\">" .

              "<img src=\"$my_uri?a=git-logo.png\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/></a>";
              "<img src=\"$my_uri?a=git-logo.png\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/></a>";

-       print $cgi->a({-href => "$my_uri"}, "projects") . " / ";
-       if ($project ne "") {
+       print $cgi->a({-href => $home_link}, "projects") . " / ";
+       if (defined $project) {

                print $cgi->a({-href => "$my_uri?p=$project;a=log"}, escapeHTML($project));
                print $cgi->a({-href => "$my_uri?p=$project;a=log"}, escapeHTML($project));

-       }
-       if ($action ne "") {
-               print " / $action";
+               if (defined $action) {
+                       print " / $action";
+               }

        }
        print "</div>\n";
 }
 
 sub git_footer_html {
        }
        print "</div>\n";
 }
 
 sub git_footer_html {

-       print "<div class=\"page_footer\">";
-       print "<div class=\"page_footer_text\">version $version</div>";
-       if ($project ne '') {
-               print $cgi->a({-href => "$my_uri?p=$project;a=rss", -class => "xml_logo"}, "XML") . "\n";
+       print "<div class=\"page_footer\">\n";
+       if (defined $project) {
+               my $descr = git_read_description($project);
+               if (defined $descr) {
+                       print "<div class=\"page_footer_text\">" . escapeHTML($descr) . "</div>\n";
+               }
+               print $cgi->a({-href => "$my_uri?p=$project;a=rss", -class => "rss_logo"}, "RSS") . "\n";

        }
        }

-       print "</div>" .
-             "</body>" .
+       print "</div>\n" .
+             "</body>\n" .

              "</html>";
 }
 
              "</html>";
 }
 


@@ -154,35 +248,48 @@ sub die_error {
        my $status = shift || "403 Forbidden";
        my $error = shift || "Malformed query, file missing or permission denied"; 
 
        my $status = shift || "403 Forbidden";
        my $error = shift || "Malformed query, file missing or permission denied"; 
 

-       $project = "";
-       $action = "";

        git_header_html($status);
        print "<div class=\"page_body\">\n" .
              "<br/><br/>\n";
        git_header_html($status);
        print "<div class=\"page_body\">\n" .
              "<br/><br/>\n";

-       print "$error\n";
+       print "$status - $error\n";

        print "<br/></div>\n";
        git_footer_html();
        print "<br/></div>\n";
        git_footer_html();

-       exit 0;
+       exit;

 }
 
 }
 

-sub git_head {
+sub git_read_head {

        my $path = shift;
        my $path = shift;

-       open(my $fd, "$projectroot/$path/HEAD") || die_error("", "Invalid project directory.");;
+
+       open my $fd, "$projectroot/$path/HEAD" || return undef;

        my $head = <$fd>;
        close $fd;
        chomp $head;
        my $head = <$fd>;
        close $fd;
        chomp $head;

-       return $head;
+       if ($head =~ m/^[0-9a-fA-F]{40}$/) {
+               return $head;
+       } else {
+               return undef;
+       }

 }
 
 }
 

-sub git_commit {
+sub git_read_description {
+       my $path = shift;
+
+       open my $fd, "$projectroot/$path/description" || return undef;
+       my $descr = <$fd>;
+       close $fd;
+       chomp $descr;
+       return $descr;
+}
+
+sub git_read_commit {

        my $commit = shift;
        my %co;
        my @parents;
 
        my $commit = shift;
        my %co;
        my @parents;
 

-       open my $fd, "-|", "$gitbin/cat-file commit $commit";
+       open my $fd, "-|", "$gitbin/git-cat-file commit $commit" || return;

        while (my $line = <$fd>) {
        while (my $line = <$fd>) {

-               chomp($line);
-               last if $line eq "";
+               last if $line eq "\n";
+               chomp $line;

                if ($line =~ m/^tree (.*)$/) {
                        $co{'tree'} = $1;
                } elsif ($line =~ m/^parent (.*)$/) {
                if ($line =~ m/^tree (.*)$/) {
                        $co{'tree'} = $1;
                } elsif ($line =~ m/^parent (.*)$/) {


@@ -201,15 +308,15 @@ sub git_commit {
                        $co{'committer_name'} =~ s/ <.*//;
                }
        }
                        $co{'committer_name'} =~ s/ <.*//;
                }
        }

-       if (!defined($co{'tree'})) {
-               return;
-       }

        $co{'parents'} = \@parents;
        $co{'parent'} = $parents[0];
        my (@comment) = map { chomp; $_ } <$fd>;
        $co{'comment'} = \@comment;
        $co{'title'} = $comment[0];
        $co{'parents'} = \@parents;
        $co{'parent'} = $parents[0];
        my (@comment) = map { chomp; $_ } <$fd>;
        $co{'comment'} = \@comment;
        $co{'title'} = $comment[0];

-       close $fd;
+       close $fd || return;
+       if (!defined $co{'tree'}) {
+               return undef
+       };

 
        my $age = time - $co{'committer_epoch'};
        $co{'age'} = $age;
 
        my $age = time - $co{'committer_epoch'};
        $co{'age'} = $age;


@@ -231,62 +338,53 @@ sub git_commit {
        } elsif ($age > 60*2) {
                $co{'age_string'} = int $age/60;
                $co{'age_string'} .= " minutes ago";
        } elsif ($age > 60*2) {
                $co{'age_string'} = int $age/60;
                $co{'age_string'} .= " minutes ago";

+       } elsif ($age > 2) {
+               $co{'age_string'} = int $age;
+               $co{'age_string'} .= " seconds ago";
+       } else {
+               $co{'age_string'} .= " right now";

        }
        return %co;
 }
 
 sub git_diff_html {
        }
        return %co;
 }
 
 sub git_diff_html {

-       my $from_name = shift || "/dev/null";
-       my $to_name = shift || "/dev/null";

        my $from = shift;
        my $from = shift;

+       my $from_name = shift;

        my $to = shift;
        my $to = shift;

+       my $to_name = shift;

 
        my $from_tmp = "/dev/null";
        my $to_tmp = "/dev/null";
 
        my $from_tmp = "/dev/null";
        my $to_tmp = "/dev/null";

-       my $from_label = "/dev/null";
-       my $to_label = "/dev/null";

        my $pid = $$;
 
        # create tmp from-file
        my $pid = $$;
 
        # create tmp from-file

-       if ($from ne "") {
+       if (defined $from) {

                $from_tmp = "$gittmp/gitweb_" . $$ . "_from";
                $from_tmp = "$gittmp/gitweb_" . $$ . "_from";

-               open(my $fd2, "> $from_tmp");
-               open my $fd, "-|", "$gitbin/cat-file blob $from";
+               open my $fd2, "> $from_tmp";
+               open my $fd, "-|", "$gitbin/git-cat-file blob $from";

                my @file = <$fd>;
                print $fd2 @file;
                close $fd2;
                close $fd;
                my @file = <$fd>;
                print $fd2 @file;
                close $fd2;
                close $fd;

-               $from_label = "a/$from_name";

        }
 
        # create tmp to-file
        }
 
        # create tmp to-file

-       if ($to ne "") {
+       if (defined $to) {

                $to_tmp = "$gittmp/gitweb_" . $$ . "_to";
                open my $fd2, "> $to_tmp";
                $to_tmp = "$gittmp/gitweb_" . $$ . "_to";
                open my $fd2, "> $to_tmp";

-               open my $fd, "-|", "$gitbin/cat-file blob $to";
+               open my $fd, "-|", "$gitbin/git-cat-file blob $to";

                my @file = <$fd>;
                print $fd2 @file;
                close $fd2;
                close $fd;
                my @file = <$fd>;
                print $fd2 @file;
                close $fd2;
                close $fd;

-               $to_label = "b/$to_name";

        }
 
        }
 

-       open my $fd, "-|", "/usr/bin/diff -u -p -L $from_label -L $to_label $from_tmp $to_tmp";
-       print "<span style=\"color: #000099;\">===== ";
-       if ($from ne "") {
-               print $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$from"}, $from);
-       } else {
-               print $from_name;
-       }
-       print " vs ";
-       if ($to ne "") {
-               print $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to"}, $to);
-       } else {
-               print $to_name;
-       }
-       print " =====</span>\n";
+       open my $fd, "-|", "/usr/bin/diff -u -p -L $from_name -L $to_name $from_tmp $to_tmp";

        while (my $line = <$fd>) {
                my $char = substr($line,0,1);
        while (my $line = <$fd>) {
                my $char = substr($line,0,1);

+               # skip errors
+               next if $char eq '\\';
+               # color the diff

                print '<span style="color: #008800;">' if $char eq '+';
                print '<span style="color: #CC0000;">' if $char eq '-';
                print '<span style="color: #990099;">' if $char eq '@';
                print '<span style="color: #008800;">' if $char eq '+';
                print '<span style="color: #CC0000;">' if $char eq '-';
                print '<span style="color: #990099;">' if $char eq '@';


@@ -295,28 +393,45 @@ sub git_diff_html {
        }
        close $fd;
 
        }
        close $fd;
 

-       if ($from ne "") {
-               unlink("$from_tmp");
+       if (defined $from) {
+               unlink($from_tmp);

        }
        }

-       if ($to ne "") {
-               unlink("$to_tmp");
+       if (defined $to) {
+               unlink($to_tmp);

        }
 }
 
 sub mode_str {
        }
 }
 
 sub mode_str {

-       my $perms = oct shift;
-       my $modestr;
-       if ($perms & 040000) {
-               $modestr .= 'drwxr-xr-x';
-       } else {
+       my $mode = oct shift;
+
+       if (S_ISDIR($mode & S_IFMT)) {
+               return 'drwxr-xr-x';
+       } elsif (S_ISLNK($mode)) {
+               return 'lrwxrwxrwx';
+       } elsif (S_ISREG($mode)) {

                # git cares only about the executable bit
                # git cares only about the executable bit

-               if ($perms & 0100) {
-                       $modestr .= '-rwxr-xr-x';
+               if ($mode & S_IXUSR) {
+                       return '-rwxr-xr-x';

                } else {
                } else {

-                       $modestr .= '-rw-r--r--';
+                       return '-rw-r--r--';

                };
                };

+       } else {
+               return '----------';
+       }
+}
+
+sub file_type {
+       my $mode = oct shift;
+
+       if (S_ISDIR($mode & S_IFMT)) {
+               return "directory";
+       } elsif (S_ISLNK($mode)) {
+               return "symlink";
+       } elsif (S_ISREG($mode)) {
+               return "file";
+       } else {
+               return "unknown";

        }
        }

-       return $modestr;

 }
 
 sub date_str {
 }
 
 sub date_str {


@@ -335,8 +450,8 @@ sub date_str {
        $date{'rfc2822'} = sprintf "%s, %d %s %4d %02d:%02d:%02d +0000", $days[$wday], $mday, $months[$mon], 1900+$year, $hour ,$min, $sec;
        $date{'mday-time'} = sprintf "%d %s %02d:%02d", $mday, $months[$mon], $hour ,$min;
 
        $date{'rfc2822'} = sprintf "%s, %d %s %4d %02d:%02d:%02d +0000", $days[$wday], $mday, $months[$mon], 1900+$year, $hour ,$min, $sec;
        $date{'mday-time'} = sprintf "%d %s %02d:%02d", $mday, $months[$mon], $hour ,$min;
 

-       $tz =~ m/((-|\+)[0-9][0-9])([0-9][0-9])/;
-       my $local = $epoch + (($1 + ($2/60)) * 3600);
+       $tz =~ m/^([+\-][0-9][0-9])([0-9][0-9])$/;
+       my $local = $epoch + ((int $1 + ($2/60)) * 3600);

        ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($local);
        $date{'hour_local'} = $hour;
        $date{'minute_local'} = $min;
        ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($local);
        $date{'hour_local'} = $hour;
        $date{'minute_local'} = $min;


@@ -344,79 +459,212 @@ sub date_str {
        return %date;
 }
 
        return %date;
 }
 

-if ($action eq "git-logo.png") {
+# git-logo (cached in browser for one day)
+sub git_logo {

        print $cgi->header(-type => 'image/png', -expires => '+1d');
        print $cgi->header(-type => 'image/png', -expires => '+1d');

-       print   "\211\120\116\107\015\012\032\012\000\000\000\015\111\110\104\122".
-               "\000\000\000\110\000\000\000\033\004\003\000\000\000\055\331\324".
-               "\055\000\000\000\030\120\114\124\105\377\377\377\140\140\135\260".
-               "\257\252\000\200\000\316\315\307\300\000\000\350\350\346\367\367".
-               "\366\225\014\247\107\000\000\000\163\111\104\101\124\050\317\143".
-               "\110\147\040\004\112\134\030\012\010\052\142\123\141\040\002\010".
-               "\015\151\105\254\241\241\001\060\014\223\140\066\046\122\221\261".
-               "\001\021\326\341\125\144\154\154\314\154\154\014\242\014\160\052".
-               "\142\006\052\301\142\035\263\001\002\123\244\010\350\000\003\030".
-               "\046\126\021\324\341\040\227\033\340\264\016\065\044\161\051\202".
-               "\231\060\270\223\012\021\271\105\210\301\215\240\242\104\041\006".
-               "\047\101\202\100\205\301\105\211\040\160\001\000\244\075\041\305".
-               "\022\034\232\376\000\000\000\000\111\105\116\104\256\102\140\202";
-       exit;
+       # cat git-logo.png | hexdump -e '16/1 " %02x"  "\n"' | sed 's/ /\\x/g'
+       print   "\x89\x50\x4e\x47\x0d\x0a\x1a\x0a\x00\x00\x00\x0d\x49\x48\x44\x52" .
+               "\x00\x00\x00\x48\x00\x00\x00\x1b\x04\x03\x00\x00\x00\x2d\xd9\xd4" .
+               "\x2d\x00\x00\x00\x18\x50\x4c\x54\x45\xff\xff\xff\x60\x60\x5d\xb0" .
+               "\xaf\xaa\x00\x80\x00\xce\xcd\xc7\xc0\x00\x00\xe8\xe8\xe6\xf7\xf7" .
+               "\xf6\x95\x0c\xa7\x47\x00\x00\x00\x73\x49\x44\x41\x54\x28\xcf\x63" .
+               "\x48\x67\x20\x04\x4a\x5c\x18\x0a\x08\x2a\x62\x53\x61\x20\x02\x08" .
+               "\x0d\x69\x45\xac\xa1\xa1\x01\x30\x0c\x93\x60\x36\x26\x52\x91\xb1" .
+               "\x01\x11\xd6\xe1\x55\x64\x6c\x6c\xcc\x6c\x6c\x0c\xa2\x0c\x70\x2a" .
+               "\x62\x06\x2a\xc1\x62\x1d\xb3\x01\x02\x53\xa4\x08\xe8\x00\x03\x18" .
+               "\x26\x56\x11\xd4\xe1\x20\x97\x1b\xe0\xb4\x0e\x35\x24\x71\x29\x82" .
+               "\x99\x30\xb8\x93\x0a\x11\xb9\x45\x88\xc1\x8d\xa0\xa2\x44\x21\x06" .
+               "\x27\x41\x82\x40\x85\xc1\x45\x89\x20\x70\x01\x00\xa4\x3d\x21\xc5" .
+               "\x12\x1c\x9a\xfe\x00\x00\x00\x00\x49\x45\x4e\x44\xae\x42\x60\x82";

 }
 
 }
 

-if (!defined($project)) {
-       print $cgi->redirect($home_link);
-       exit;
-}
+sub git_project_list {
+       my $project_list = shift;
+       my @list;

 
 

-if (!defined($action)) {
-       $action = "log";
+       if (-d $project_list) {
+               # search in directory
+               my $dir = $project_list;
+               opendir my $dh, $dir || return undef;
+               while (my $dir = readdir($dh)) {
+                       if (-e "$projectroot/$dir/HEAD") {
+                               push @list, $dir;
+                       }
+               }
+               closedir($dh);
+       } elsif (-e $project_list) {
+               # read from file
+               open my $fd , $project_list || return undef;
+               while (my $line = <$fd>) {
+                       chomp $line;
+                       if (-e "$projectroot/$line/HEAD") {
+                               push @list, $line;
+                       }
+               }
+               close $fd;
+       }
+
+       if (!@list) {
+               die_error(undef, "No project found.");
+       }
+       @list = sort @list;
+
+       git_header_html();
+       print "<div class=\"page_body\"><br/>\n";
+       print "<table cellspacing=\"0\">\n";
+       print "<tr>\n" .
+             "<th>Project</th>\n" .
+             "<th>Description</th>\n" .
+             "<th>Owner</th>\n" .
+             "<th>last change</th>\n" .
+             "</tr>\n";
+       foreach my $proj (@list) {
+               my $head = git_read_head($proj);
+               if (!defined $head) {
+                       next;
+               }
+               $ENV{'SHA1_FILE_DIRECTORY'} = "$projectroot/$proj/objects";
+               my %co = git_read_commit($head);
+               if (!%co) {
+                       next;
+               }
+               my $descr = git_read_description($proj) || "";
+               my $owner = "";
+               my ($dev, $ino, $mode, $nlink, $st_uid, $st_gid, $rdev, $size) = stat("$projectroot/$proj");
+               my ($name, $passwd, $uid, $gid, $quota, $comment, $gcos, $dir, $shell) = getpwuid($st_uid);
+               if (defined $gcos) {
+                       $owner = $gcos;
+                       $owner =~ s/[,;].*$//;
+               }
+               print "<tr>\n" .
+                     "<td>" . $cgi->a({-href => "$my_uri?p=$proj;a=log"}, escapeHTML($proj)) . "</td>\n" .
+                     "<td>$descr</td>\n" .
+                     "<td><i>$owner</i></td>\n";
+               if ($co{'age'} < 60*60*2) {
+                       print "<td><span style =\"color: #009900;\"><b><i>" . $co{'age_string'} . "</i></b></span></td>\n";
+               } elsif ($co{'age'} < 60*60*24*2) {
+                       print "<td><span style =\"color: #009900;\"><i>" . $co{'age_string'} . "</i></span></td>\n";
+               } else {
+                       print "<td><i>" . $co{'age_string'} . "</i></td>\n";
+               }
+               print "</tr>\n";
+       }
+       print "</table>\n" .
+             "<br/>\n" .
+             "</div>\n";
+       git_footer_html();

 }
 
 }
 

-if (!defined($time_back)) {
-       $time_back = 1;
+sub git_get_hash_by_path {
+       my $base = shift;
+       my $path = shift;
+
+       my $tree = $base;
+       my @parts = split '/', $path;
+       while (my $part = shift @parts) {
+               open my $fd, "-|", "$gitbin/git-ls-tree $tree" || die_error(undef, "Open git-ls-tree failed.");
+               my (@entries) = map { chomp; $_ } <$fd>;
+               close $fd || die_error(undef, "Reading tree failed.");
+               foreach my $line (@entries) {
+                       #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
+                       $line =~ m/^([0-9]+)\t(.*)\t(.*)\t(.*)$/;
+                       my $t_mode = $1;
+                       my $t_type = $2;
+                       my $t_hash = $3;
+                       my $t_name = $4;
+                       if ($t_name eq $part) {
+                               if (!(@parts)) {
+                                       return $t_hash;
+                               }
+                               if ($t_type eq "tree") {
+                                       $tree = $t_hash;
+                               }
+                               last;
+                       }
+               }
+       }

 }
 
 }
 

-if ($action eq "blob") {
+sub git_blob {
+       if (!defined $hash && defined $file_name) {
+               my $base = $hash_base || git_read_head($project);
+               $hash = git_get_hash_by_path($base, $file_name, "blob");
+       }
+       open my $fd, "-|", "$gitbin/git-cat-file blob $hash" || die_error(undef, "Open failed.");
+       my $base = $file_name || "";

        git_header_html();
        git_header_html();

-       print "<div class=\"page_nav\">\n";
-       print "<br/><br/></div>\n";
-       print "<div class=\"title\">$hash</div>\n";
+       if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
+               print "<div class=\"page_nav\"> view\n" .
+                     $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base"}, "commit") .
+                     " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash_base"}, "diffs") .
+                     " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=" . $co{'tree'} . ";hb=$hash_base"}, "tree");
+               if (defined $file_name) {
+                       print " | " . $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash_base;f=$file_name"}, "history");
+               }
+               print "<br/><br/>\n" .
+                     "</div>\n";
+               print "<div>\n" .
+                     $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base", -class => "title"}, escapeHTML($co{'title'})) . "\n";
+       } else {
+               print "<div class=\"page_nav\">\n" .
+                     "<br/><br/></div>\n" .
+                     "<div class=\"title\">$hash</div>\n";
+       }
+       if (defined $file_name) {
+               print "<div class=\"page_path\">/$file_name</div>\n";
+       }

        print "<div class=\"page_body\"><pre>\n";
        print "<div class=\"page_body\"><pre>\n";

-       open(my $fd, "-|", "$gitbin/cat-file blob $hash");

        my $nr;
        while (my $line = <$fd>) {
                $nr++;
                printf "<span style =\"color: #999999;\">%4i\t</span>%s", $nr, escapeHTML($line);;
        }
        my $nr;
        while (my $line = <$fd>) {
                $nr++;
                printf "<span style =\"color: #999999;\">%4i\t</span>%s", $nr, escapeHTML($line);;
        }

-       close $fd;
-       print "<br/></pre>\n";
+       close $fd || print "Reading blob failed.\n";
+       print "</pre>\n";

        print "</div>";
        git_footer_html();
        print "</div>";
        git_footer_html();

-} elsif ($action eq "tree") {
-       if ($hash eq "") {
-               $hash = git_head($project);
+}
+
+sub git_tree {
+       if (!defined $hash) {
+               $hash = git_read_head($project);
+               if (defined $file_name) {
+                       my $base = $hash_base || git_read_head($project);
+                       $hash = git_get_hash_by_path($base, $file_name, "tree");
+               }

        }
        }

-       open my $fd, "-|", "$gitbin/ls-tree $hash";
+       open my $fd, "-|", "$gitbin/git-ls-tree $hash" || die_error(undef, "Open git-ls-tree failed.");

        my (@entries) = map { chomp; $_ } <$fd>;
        my (@entries) = map { chomp; $_ } <$fd>;

-       close $fd;
+       close $fd || die_error(undef, "Reading tree failed.");

 
        git_header_html();
 
        git_header_html();

-       my %co = git_commit($hash);
-       if (defined(%co)) {
+       my $base_key = "";
+       my $file_key = "";
+       my $base = "";
+       if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
+               $base_key = ";hb=$hash_base";

                print "<div class=\"page_nav\"> view\n" .
                print "<div class=\"page_nav\"> view\n" .

-                     $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") . " | \n" .
-                     $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "diffs") . " | \n" .
-                     $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$hash"}, "tree") . "\n" .
-                     "<br/><br/></div>\n";
+                     $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base"}, "commit") . " | " .
+                     $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash_base"}, "diffs") . " | " .
+                     $cgi->a({-href => "$my_uri?p=$project;a=tree;h=" . $co{'tree'} . ";hb=$hash_base"}, "tree") .
+                     "<br/><br/>\n" .
+                     "</div>\n";

                print "<div>\n" .
                print "<div>\n" .

-                     $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
+                     $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base", -class => "title"}, escapeHTML($co{'title'})) . "\n" .

                      "</div>\n";
        } else {
                print "<div class=\"page_nav\">\n";
                print "<br/><br/></div>\n";
                print "<div class=\"title\">$hash</div>\n";
        }
                      "</div>\n";
        } else {
                print "<div class=\"page_nav\">\n";
                print "<br/><br/></div>\n";
                print "<div class=\"title\">$hash</div>\n";
        }

+       if (defined $file_name) {
+               $base = "$file_name/";
+               print "<div class=\"page_path\">/$file_name</div>\n";
+       } else {
+               print "<div class=\"page_path\">/</div>\n";
+       }

        print "<div class=\"page_body\">\n";
        print "<div class=\"page_body\">\n";

-       print "<br/><pre>\n";
+       print "<pre>\n";

        foreach my $line (@entries) {
                #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
                $line =~ m/^([0-9]+)\t(.*)\t(.*)\t(.*)$/;
        foreach my $line (@entries) {
                #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
                $line =~ m/^([0-9]+)\t(.*)\t(.*)\t(.*)$/;


@@ -424,144 +672,212 @@ if ($action eq "blob") {
                my $t_type = $2;
                my $t_hash = $3;
                my $t_name = $4;
                my $t_type = $2;
                my $t_hash = $3;
                my $t_name = $4;

+               $file_key = ";f=$base$t_name";

                if ($t_type eq "blob") {
                if ($t_type eq "blob") {

-                       print mode_str($t_mode). " " . $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$t_hash"}, $t_name) . "\n";
+                       print mode_str($t_mode). " " . $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$t_hash" . $base_key . $file_key}, $t_name);
+                       if (S_ISLNK(oct $t_mode)) {
+                               open my $fd, "-|", "$gitbin/git-cat-file blob $t_hash";
+                               my $target = <$fd>;
+                               close $fd;
+                               print "\t -> $target";
+                       }
+                       print "\n";

                } elsif ($t_type eq "tree") {
                } elsif ($t_type eq "tree") {

-                       print mode_str($t_mode). " " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$t_hash"}, $t_name) . "\n";
+                       print mode_str($t_mode). " " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$t_hash" . $base_key . $file_key}, $t_name) . "\n";

                }
        }
        print "</pre>\n";
                }
        }
        print "</pre>\n";

-       print "<br/></div>";
+       print "</div>";

        git_footer_html();
        git_footer_html();

-} elsif ($action eq "log" || $action eq "rss") {
-       open my $fd, "-|", "$gitbin/rev-list " . git_head($project);
+}
+
+sub git_rss {
+       open my $fd, "-|", "$gitbin/git-rev-list --max-count=20 " . git_read_head($project) || die_error(undef, "Open failed.");

        my (@revlist) = map { chomp; $_ } <$fd>;
        my (@revlist) = map { chomp; $_ } <$fd>;

-       close $fd;
+       close $fd || die_error(undef, "Reading rev-list failed.");

 
 

-       if ($action eq "log") {
-               git_header_html();
-               print "<div class=\"page_nav\">\n";
-               print "view  ";
-               print $cgi->a({-href => "$my_uri?p=$project;a=log"}, "last day") . " | \n" .
-                     $cgi->a({-href => "$my_uri?p=$project;a=log;t=7"}, "week") . " | \n" .
-                     $cgi->a({-href => "$my_uri?p=$project;a=log;t=31"}, "month") . " | \n" .
-                     $cgi->a({-href => "$my_uri?p=$project;a=log;t=365"}, "year") . " | \n" .
-                     $cgi->a({-href => "$my_uri?p=$project;a=log;t=0"}, "all") . "<br/>\n";
-               print "<br/><br/>\n" .
-                     "</div>\n";
-       } elsif ($action eq "rss") {
-               print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
-               print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
-                     "<rss version=\"0.91\">\n";
-               print "<channel>\n";
-               print "<title>$project</title>\n".
-                     "<link> " . $my_url . "/$project/log</link>\n".
-                     "<description>$project log</description>\n".
-                     "<language>en</language>\n";
-       }
-
-       for (my $i = 0; $i <= $#revlist; $i++) {
-               my $commit = $revlist[$i];
-               my %co = git_commit($commit);
+       print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
+       print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
+             "<rss version=\"0.91\">\n";
+       print "<channel>\n";
+       print "<title>$project</title>\n".
+             "<link> " . $my_url . "/$project/log</link>\n".
+             "<description>$project log</description>\n".
+             "<language>en</language>\n";
+
+       foreach my $commit (@revlist) {
+               my %co = git_read_commit($commit);

                my %ad = date_str($co{'author_epoch'});
                my %ad = date_str($co{'author_epoch'});

-               if ($action eq "log") {
-               if ($time_back > 0 && $co{'age'} > $time_back*60*60*24) {
-                               if ($i == 0) {
-                                       print "<div class=\"page_body\"> Last change " . $co{'age_string'} . ".<br/><br/></div>\n";
-                               }
-                               last;
-                       }
-                       print "<div>\n" .
-                             $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit", -class => "title"}, 
-                             "<span class=\"log_age\">" . $co{'age_string'} . "</span>" . escapeHTML($co{'title'})) . "\n" .
-                             "</div>\n";
-                       print "<div class=\"title2\">\n" .
-                             "<div class=\"log_link\">\n" .
-                             "view " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"}, "commit") . " | " .
-                             $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$commit"}, "diff") . "<br/>\n" .
-                             "</div>\n" .
-                             "<i>" . escapeHTML($co{'author_name'}) .  " [" . $ad{'rfc2822'} . "]</i><br/>\n" .
-                             "</div>\n" .
-                             "<div class=\"log_body\">\n";
-                       my $comment = $co{'comment'};
-                       foreach my $line (@$comment) {
-                               last if ($line =~ m/^(signed-off|acked)-by:/i);
-                               print escapeHTML($line) . "<br/>\n";
+               print "<item>\n" .
+                     "\t<title>" . sprintf("%d %s %02d:%02d", $ad{'mday'}, $ad{'month'}, $ad{'hour'}, $ad{'minute'}) . " - " . escapeHTML($co{'title'}) . "</title>\n" .
+                     "\t<link> " . $my_url . "?p=$project;a=commit;h=$commit</link>\n" .
+                     "\t<description>";
+               my $comment = $co{'comment'};
+               foreach my $line (@$comment) {
+                       print escapeHTML($line) . "<br/>\n";
+               }
+               print "\t</description>\n" .
+                     "</item>\n";
+       }
+       print "</channel></rss>";
+}
+
+sub git_log {
+       my $head = git_read_head($project);
+       my $limit_option = "";
+       if (!defined $time_back) {
+               $limit_option = "--max-count=10";
+       } elsif ($time_back > 0) {
+               my $date = time - $time_back*24*60*60;
+               $limit_option = "--max-age=$date";
+       }
+       open my $fd, "-|", "$gitbin/git-rev-list $limit_option $head" || die_error(undef, "Open failed.");
+       my (@revlist) = map { chomp; $_ } <$fd>;
+       close $fd || die_error(undef, "Reading rev-list failed.");
+
+       git_header_html();
+       print "<div class=\"page_nav\">\n";
+       print "view  ";
+       print $cgi->a({-href => "$my_uri?p=$project;a=log"}, "last 10") . " | " .
+             $cgi->a({-href => "$my_uri?p=$project;a=log;t=1"}, "day") . " | " .
+             $cgi->a({-href => "$my_uri?p=$project;a=log;t=7"}, "week") . " | " .
+             $cgi->a({-href => "$my_uri?p=$project;a=log;t=31"}, "month") . " | " .
+             $cgi->a({-href => "$my_uri?p=$project;a=log;t=365"}, "year") . " | " .
+             $cgi->a({-href => "$my_uri?p=$project;a=log;t=0"}, "all") . "<br/>\n";
+       print "<br/><br/>\n" .
+             "</div>\n";
+
+       if (!@revlist) {
+               my %co = git_read_commit($head);
+               print "<div class=\"page_body\"> Last change " . $co{'age_string'} . ".<br/><br/></div>\n";
+       }
+
+       foreach my $commit (@revlist) {
+               my %co = git_read_commit($commit);
+               next if !%co;
+               my %ad = date_str($co{'author_epoch'});
+               print "<div>\n" .
+                     $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit", -class => "title"},
+                     "<span class=\"log_age\">" . $co{'age_string'} . "</span>" . escapeHTML($co{'title'})) . "\n" .
+                     "</div>\n";
+               print "<div class=\"title_text\">\n" .
+                     "<div class=\"log_link\">\n" .
+                     "view " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"}, "commit") .
+                     " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$commit"}, "diff") .
+                     "<br/>\n" .
+                     "</div>\n" .
+                     "<i>" . escapeHTML($co{'author_name'}) .  " [" . $ad{'rfc2822'} . "]</i><br/>\n" .
+                     "</div>\n" .
+                     "<div class=\"log_body\">\n";
+               my $comment = $co{'comment'};
+               my $empty = 0;
+               foreach my $line (@$comment) {
+                       if ($line =~ m/^(signed.off|acked).by/i) {
+                               next;

                        }
                        }

-                       print "<br/>\n" .
-                             "</div>\n";
-               } elsif ($action eq "rss") {
-                       last if ($i >= 20);
-                       print "<item>\n" .
-                             "\t<title>" . sprintf("%d %s %02d:%02d", $ad{'mday'}, $ad{'month'}, $ad{'hour'}, $ad{'min'}) . " - " . escapeHTML($co{'title'}) . "</title>\n" .
-                             "\t<link> " . $my_url . "?p=$project;a=commit;h=$commit</link>\n" .
-                             "\t<description>";
-                       my $comment = $co{'comment'};
-                       foreach my $line (@$comment) {
-                               print escapeHTML($line) . "\n";
+                       if ($line eq "") {
+                               if ($empty) {
+                                       next;
+                               }
+                               $empty = 1;
+                       } else {
+                               $empty = 0;

                        }
                        }

-                       print "\t</description>\n" .
-                             "</item>\n";
+                       print escapeHTML($line) . "<br/>\n";

                }
                }

+               if (!$empty) {
+                       print "<br/>\n";
+               }
+               print "</div>\n";

        }
        }

-       if ($action eq "log") {
-               git_footer_html();
-       } elsif ($action eq "rss") {
-               print "</channel></rss>";
-       }
-} elsif ($action eq "commit") {
-       my %co = git_commit($hash);
-       if (!defined(%co)) {
-               die_error("", "Unknown commit object.");
+       git_footer_html();
+}
+
+sub git_commit {
+       my %co = git_read_commit($hash);
+       if (!%co) {
+               die_error(undef, "Unknown commit object.");

        }
        my %ad = date_str($co{'author_epoch'}, $co{'author_tz'});
        my %cd = date_str($co{'committer_epoch'}, $co{'committer_tz'});
        }
        my %ad = date_str($co{'author_epoch'}, $co{'author_tz'});
        my %cd = date_str($co{'committer_epoch'}, $co{'committer_tz'});

-       open my $fd, "-|", "$gitbin/diff-tree -r " . $co{'parent'} . " $hash";
-       my (@difftree) = map { chomp; $_ } <$fd>;
-       close $fd;

 
 

+       my @difftree;
+       if (defined $co{'parent'}) {
+               open my $fd, "-|", "$gitbin/git-diff-tree -r " . $co{'parent'} . " $hash" || die_error(undef, "Open failed.");
+               @difftree = map { chomp; $_ } <$fd>;
+               close $fd || die_error(undef, "Reading diff-tree failed.");
+       } else {
+               # fake git-diff-tree output for initial revision
+               open my $fd, "-|", "$gitbin/git-ls-tree -r $hash" || die_error(undef, "Open failed.");
+               @difftree = map { chomp;  "+" . $_ } <$fd>;
+               close $fd || die_error(undef, "Reading ls-tree failed.");
+       }

        git_header_html();
        print "<div class=\"page_nav\"> view\n" .
              $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") . " | \n" .
              $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "diffs") . " | \n" .
        git_header_html();
        print "<div class=\"page_nav\"> view\n" .
              $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") . " | \n" .
              $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "diffs") . " | \n" .

-             $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$hash"}, "tree") . "\n" .
+             $cgi->a({-href => "$my_uri?p=$project;a=tree;h=" . $co{'tree'} . ";hb=$hash"}, "tree") . "\n" .

              "<br/><br/></div>\n";
              "<br/><br/></div>\n";

-       print "<div>\n" .
-             $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
-             "</div>\n";
-       print "<div class=\"title2\">\n" .
-             "<table cellspacing=\"0\">";
-       print "<tr><td class=\"key\">author</td><td>" . escapeHTML($co{'author'}) . "</td><tr><td></td><td>" .
-             " " . $ad{'rfc2822'};
+       if (defined $co{'parent'}) {
+               print "<div>\n" .
+                     $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
+                     "</div>\n";
+       } else {
+               print "<div>\n" .
+                     $cgi->a({-href => "$my_uri?p=$project;a=tree;h=" . $co{'tree'} . ";hb=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
+                     "</div>\n";
+       }
+       print "<div class=\"title_text\">\n" .
+             "<table cellspacing=\"0\">\n";
+       print "<tr><td>author</td><td>" . escapeHTML($co{'author'}) . "</td></tr>\n".
+             "<tr><td></td><td> " . $ad{'rfc2822'};

        if ($ad{'hour_local'} < 6) {
        if ($ad{'hour_local'} < 6) {

-               print "<span style=\"color: #cc0000;\">";
-       }
-       printf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
-       if ($ad{'hour_local'} < 6 ) {
-               print "</span>";
-       }
-       print "</i>\n" .
-             "</td></tr>\n";
-       print "<tr><td class=\"key\">committer</td><td>" . escapeHTML($co{'committer'}) . "</td><tr><td></td><td>" .
-             " " . $cd{'rfc2822'} . sprintf(" (%02d:%02d %s)", $cd{'hour_local'}, $cd{'minute_local'}, $cd{'tz_local'}) . "</i>\n" .
-             "</td></tr>\n";
-       print "<tr><td class=\"key\">commit</td><td style=\"font-family: monospace;\">$hash</td></tr>\n";
-       print "<tr><td class=\"key\">tree</td><td style=\"font-family: monospace;\">" . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$hash"}, $co{'tree'}) . "</td></tr>\n";
+               printf(" (<span style=\"color: #cc0000;\">%02d:%02d</span> %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
+       } else {
+               printf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
+       }
+       print "</td></tr>\n";
+       print "<tr><td>committer</td><td>" . escapeHTML($co{'committer'}) . "</td></tr>\n";
+       print "<tr><td></td><td> " . $cd{'rfc2822'} .
+             sprintf(" (%02d:%02d %s)", $cd{'hour_local'}, $cd{'minute_local'}, $cd{'tz_local'}) . "</td></tr>\n";
+       print "<tr><td>commit</td><td style=\"font-family: monospace;\">$hash</td></tr>\n";
+       print "<tr><td>tree</td><td style=\"font-family: monospace;\">" .
+             $cgi->a({-href => "$my_uri?p=$project;a=tree;h=" . $co{'tree'} . ";hb=" . $hash}, $co{'tree'}) . "</td></tr>\n";

        my $parents  = $co{'parents'};
        foreach my $par (@$parents) {
        my $parents  = $co{'parents'};
        foreach my $par (@$parents) {

-               print "<tr><td class=\"key\">parent</td><td style=\"font-family: monospace;\">" . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$par"}, $par) . "</td></tr>\n";
+               print "<tr><td>parent</td><td style=\"font-family: monospace;\">" .
+                     $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$par"}, $par) . "</td></tr>\n";

        }
        }

-       print "</table></div>\n";
+       print "</table>". 
+             "</div>\n";

        print "<div class=\"page_body\">\n";
        my $comment = $co{'comment'};
        print "<div class=\"page_body\">\n";
        my $comment = $co{'comment'};

+       my $empty = 0;
+       my $signed = 0;

        foreach my $line (@$comment) {
        foreach my $line (@$comment) {

-               if ($line =~ m/(signed-off|acked)-by:/i) {
+               # print only one empty line
+               if ($line eq "") {
+                       if ($empty || $signed) {
+                               next;
+                       }
+                       $empty = 1;
+               } else {
+                       $empty = 0;
+               }
+               if ($line =~ m/(signed.off|acked).by/i) {
+                       $signed = 1;

                        print "<span style=\"color: #888888\">" . escapeHTML($line) . "</span><br/>\n";
                } else {
                        print "<span style=\"color: #888888\">" . escapeHTML($line) . "</span><br/>\n";
                } else {

+                       $signed = 0;

                        print escapeHTML($line) . "<br/>\n";
                }
        }
        print "</div>\n";
                        print escapeHTML($line) . "<br/>\n";
                }
        }
        print "</div>\n";

+       print "<div class=\"list_head\">\n";
+       if ($#difftree > 10) {
+               print(($#difftree + 1) . " files changed:\n");
+       }
+       print "</div>\n";

        foreach my $line (@difftree) {
                # '*100644->100644      blob    9f91a116d91926df3ba936a80f020a6ab1084d2b->bb90a0c3a91eb52020d0db0e8b4f94d30e02d596      net/ipv4/route.c'
                # '+100644      blob    4a83ab6cd565d21ab0385bac6643826b83c2fcd4        arch/arm/lib/bitops.h'
        foreach my $line (@difftree) {
                # '*100644->100644      blob    9f91a116d91926df3ba936a80f020a6ab1084d2b->bb90a0c3a91eb52020d0db0e8b4f94d30e02d596      net/ipv4/route.c'
                # '+100644      blob    4a83ab6cd565d21ab0385bac6643826b83c2fcd4        arch/arm/lib/bitops.h'


@@ -573,26 +889,29 @@ if ($action eq "blob") {
                my $type = $3;
                my $id = $4;
                my $file = $5;
                my $type = $3;
                my $id = $4;
                my $file = $5;

-               my $mode_chng = "";

                if ($type eq "blob") {
                        if ($op eq "+") {
                if ($type eq "blob") {
                        if ($op eq "+") {

+                               my $mode_chng = "";
+                               if (S_ISREG(oct $mode)) {
+                                       $mode_chng = sprintf(" with mode: %04o", (oct $mode) & 0777);
+                               }

                                print "<div class=\"list\">\n" .
                                print "<div class=\"list\">\n" .

-                                     $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id"},
-                                     escapeHTML($file) . " <span style=\"color: #008000;\">[new]</span>") . "\n" .
+                                     $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id;hb=$hash;f=$file"},
+                                     escapeHTML($file) . " <span style=\"color: #008000;\">[new " . file_type($mode) . $mode_chng . "]</span>") . "\n" .

                                      "</div>";
                                print "<div class=\"link\">\n" .
                                      "view " .
                                      "</div>";
                                print "<div class=\"link\">\n" .
                                      "view " .

-                                     $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id"}, "file") . "<br/><br/>\n" .
+                                     $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id;hb=$hash;f=$file"}, "file") . "<br/>\n" .

                                      "</div>\n";
                        } elsif ($op eq "-") {
                                print "<div class=\"list\">\n" .
                                      "</div>\n";
                        } elsif ($op eq "-") {
                                print "<div class=\"list\">\n" .

-                                     $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id"},
-                                     escapeHTML($file) .  " <span style=\"color: #c00000;\">[removed]</span>") . "\n" .
+                                     $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id;hb=$hash;f=$file"},
+                                     escapeHTML($file) .  " <span style=\"color: #c00000;\">[deleted " . file_type($mode) . "]</span>") . "\n" .

                                      "</div>";
                                print "<div class=\"link\">\n" .
                                      "view " .
                                      "</div>";
                                print "<div class=\"link\">\n" .
                                      "view " .

-                                     $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id"}, "file") . " | " .
-                                     $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash;f=$file"}, "history") . "<br/><br/>\n" .
+                                     $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id;hb=$hash;f=$file"}, "file") . " | " .
+                                     $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash;f=$file"}, "history") . "<br/>\n" .

                                      "</div>\n";
                        } elsif ($op eq "*") {
                                $id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;
                                      "</div>\n";
                        } elsif ($op eq "*") {
                                $id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;


@@ -603,55 +922,97 @@ if ($action eq "blob") {
                                my $to_mode = $2;
                                my $mode_chnge = "";
                                if ($from_mode != $to_mode) {
                                my $to_mode = $2;
                                my $mode_chnge = "";
                                if ($from_mode != $to_mode) {

-                                       $mode_chnge = " <span style=\"color: #888888;\"> [chmod $mode]</span>\n";
+                                       $mode_chnge = " <span style=\"color: #888888;\">[changed";
+                                       if (((oct $from_mode) & S_IFMT) != ((oct $to_mode) & S_IFMT)) {
+                                               $mode_chnge .= " from " . file_type($from_mode) . " to " . file_type($to_mode);
+                                       }
+                                       if (((oct $from_mode) & 0777) != ((oct $to_mode) & 0777)) {
+                                               if (S_ISREG($from_mode) && S_ISREG($to_mode)) {
+                                                       $mode_chnge .= sprintf(" mode: %04o->%04o", (oct $from_mode) & 0777, (oct $to_mode) & 0777);
+                                               } elsif (S_ISREG($to_mode)) {
+                                                       $mode_chnge .= sprintf(" mode: %04o", (oct $to_mode) & 0777);
+                                               }
+                                       }
+                                       $mode_chnge .= "]</span>\n";

                                }
                                print "<div class=\"list\">\n";
                                if ($to_id ne $from_id) {
                                }
                                print "<div class=\"list\">\n";
                                if ($to_id ne $from_id) {

-                                       print $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;h=$to_id;hp=$from_id"},
+                                       print $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$file"},

                                              escapeHTML($file) . $mode_chnge) . "\n" .
                                              "</div>\n";
                                } else {
                                              escapeHTML($file) . $mode_chnge) . "\n" .
                                              "</div>\n";
                                } else {

-                                       print $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id"},
+                                       print $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file"},

                                              escapeHTML($file) . $mode_chnge) . "\n" .
                                              "</div>\n";
                                }
                                print "<div class=\"link\">\n" .
                                      "view ";
                                if ($to_id ne $from_id) {
                                              escapeHTML($file) . $mode_chnge) . "\n" .
                                              "</div>\n";
                                }
                                print "<div class=\"link\">\n" .
                                      "view ";
                                if ($to_id ne $from_id) {

-                                       print $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;h=$to_id;hp=$from_id"}, "diff") . " | ";
+                                       print $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$file"}, "diff") . " | ";

                                }
                                }

-                               print $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id"}, "file") . " | " .
-                                     $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash;f=$file"}, "history") . "<br/><br/>\n" .
+                               print $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file"}, "file") . " | " .
+                                     $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash;f=$file"}, "history") . "<br/>\n" .

                                      "</div>\n";
                        }
                }
        }
        git_footer_html();
                                      "</div>\n";
                        }
                }
        }
        git_footer_html();

-} elsif ($action eq "blobdiff") {
+}
+
+sub git_blobdiff {
+       mkdir($gittmp, 0700);

        git_header_html();
        git_header_html();

-       print "<div class=\"page_nav\">\n";
-       print "<br/><br/></div>\n";
-       print "<div class=\"title\">$hash vs $hash_parent</div>\n";
+       if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
+               print "<div class=\"page_nav\"> view\n" .
+                     $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base"}, "commit") .
+                     " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash_base"}, "diffs") .
+                     " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=" . $co{'tree'} . ";hb=$hash_base"}, "tree");
+                       if (defined $file_name) {
+                               print " | " . $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash_base;f=$file_name"}, "history");
+                       }
+               print "<br/><br/>\n" .
+                     "</div>\n";
+               print "<div>\n" .
+                     $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash_base", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
+                     "</div>\n";
+       } else {
+               print "<div class=\"page_nav\">\n" .
+                     "<br/><br/></div>\n" .
+                     "<div class=\"title\">$hash vs $hash_parent</div>\n";
+       }
+       if (defined $file_name) {
+               print "<div class=\"page_path\">\n" .
+                     "/$file_name\n" .
+                     "</div>\n";
+       }

        print "<div class=\"page_body\">\n" .
              "<pre>\n";
        print "<div class=\"page_body\">\n" .
              "<pre>\n";

-       git_diff_html($hash_parent, $hash, $hash_parent, $hash);
+       print "<span class=\"diff_info\">blob:" .
+             $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$hash_parent;hb=$hash_base;f=$file_name"}, $hash_parent) .
+             " -> blob:" .
+             $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$hash;hb=$hash_base;f=$file_name"}, $hash) .
+             "</span>\n";
+       git_diff_html($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash);

        print "</pre>\n" .
        print "</pre>\n" .

-             "<br/></div>";
+             "</div>";

        git_footer_html();
        git_footer_html();

-} elsif ($action eq "commitdiff") {
-       my %co = git_commit($hash);
-       if (!defined(%co)) {
-               die_error("", "Unknown commit object.");
+}
+
+sub git_commitdiff {
+       mkdir($gittmp, 0700);
+       my %co = git_read_commit($hash);
+       if (!%co) {
+               die_error(undef, "Unknown commit object.");

        }
        }

-       open my $fd, "-|", "$gitbin/diff-tree -r " . $co{'parent'} . " $hash";
+       open my $fd, "-|", "$gitbin/git-diff-tree -r " . $co{'parent'} . " $hash" || die_error(undef, "Open failed.");

        my (@difftree) = map { chomp; $_ } <$fd>;
        my (@difftree) = map { chomp; $_ } <$fd>;

-       close $fd;
+       close $fd || die_error(undef, "Reading diff-tree failed.");

 
        git_header_html();
        print "<div class=\"page_nav\"> view\n" .
              $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") . " | \n" .
              $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "diffs") . " | \n" .
 
        git_header_html();
        print "<div class=\"page_nav\"> view\n" .
              $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") . " | \n" .
              $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "diffs") . " | \n" .

-             $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$hash"}, "tree") . "\n" .
+             $cgi->a({-href => "$my_uri?p=$project;a=tree;h=" .  $co{'tree'} . ";hb=$hash"}, "tree") . "\n" .

              "<br/><br/></div>\n";
        print "<div>\n" .
              $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
              "<br/><br/></div>\n";
        print "<div>\n" .
              $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .


@@ -668,65 +1029,90 @@ if ($action eq "blob") {
                my $file = $5;
                if ($type eq "blob") {
                        if ($op eq "+") {
                my $file = $5;
                if ($type eq "blob") {
                        if ($op eq "+") {

-                               git_diff_html("", $file, "", $id);
+                               print "<span class=\"diff_info\">" .  file_type($mode) . ":" .
+                                     $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id;hb=$hash;f=$file"}, $id) . "(new)" .
+                                     "</span>\n";
+                               git_diff_html(undef, "/dev/null", $id, "b/$file");

                        } elsif ($op eq "-") {
                        } elsif ($op eq "-") {

-                               git_diff_html($file, "", $id, "");
+                               print "<span class=\"diff_info\">" . file_type($mode) . ":" .
+                                     $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id;hb=$hash;f=$file"}, $id) . "(deleted)" .
+                                     "</span>\n";
+                               git_diff_html($id, "a/$file", undef, "/dev/null");

                        } elsif ($op eq "*") {
                                $id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;
                        } elsif ($op eq "*") {
                                $id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;

-                               if ($1 ne $2) {
-                                       git_diff_html($file, $file, $1, $2);
+                               my $from_id = $1;
+                               my $to_id = $2;
+                               $mode =~ m/([0-7]+)->([0-7]+)/;
+                               my $from_mode = $1;
+                               my $to_mode = $2;
+                               if ($from_id ne $to_id) {
+                                       print "<span class=\"diff_info\">" .
+                                             file_type($from_mode) . ":" . $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$from_id;hb=$hash;f=$file"}, $from_id) .
+                                             " -> " .
+                                             file_type($to_mode) . ":" . $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file"}, $to_id);
+                                       print "</span>\n";
+                                       git_diff_html($from_id, "a/$file",  $to_id, "b/$file");

                                }
                        }
                }
        }
                                }
                        }
                }
        }

-       print "<br/></pre>\n";
+       print "</pre><br/>\n";

        print "</div>";
        git_footer_html();
        print "</div>";
        git_footer_html();

-} elsif ($action eq "history") {
-       if (!(defined($hash))) {
-               $hash = git_head($project);
-       }
-       open my $fd, "-|", "$gitbin/rev-list $hash";
-       my (@revlist) = map { chomp; $_ } <$fd>;
-       close $fd;
+}

 
 

+sub git_history {
+       if (!defined $hash) {
+               $hash = git_read_head($project);
+       }
+       my %co = git_read_commit($hash);
+       if (!%co) {
+               die_error(undef, "Unknown commit object.");
+       }

        git_header_html();
        git_header_html();

-       print "<div class=\"page_nav\">\n";
-       print "<br/><br/></div>\n";
+       print "<div class=\"page_nav\"> view\n" .
+             $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") . " | " .
+             $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "diffs") . " | " .
+             $cgi->a({-href => "$my_uri?p=$project;a=tree;h=" . $co{'tree'} . ";hb=$hash"}, "tree") .
+             "<br/><br/>\n" .
+             "</div>\n";

        print "<div>\n" .
        print "<div>\n" .

-             $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash", -class => "title"}, escapeHTML($file_name)) . "\n" .
+             $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .

              "</div>\n";
              "</div>\n";

-       foreach my $rev (@revlist) {
-               my %co = git_commit($rev);
-               my $parents  = $co{'parents'};
-               my $found = 0;
-               foreach my $parent (@$parents) {
-                       open $fd, "-|", "$gitbin/diff-tree -r $parent $rev $file_name";
-                       my (@difftree) = map { chomp; $_ } <$fd>;
-                       close $fd;
-
-                       foreach my $line (@difftree) {
-                               $line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/;
-                               my $file = $5;
-                               if ($file eq $file_name) {
-                                       $found = 1;
-                                       last;
-                               }
-                       }
+       print "<div class=\"page_path\">\n" .
+             "/$file_name<br/>\n";
+       print "</div>\n";
+       open my $fd, "-|", "$gitbin/git-rev-list $hash | $gitbin/git-diff-tree -r --stdin $file_name";
+       my $commit;
+       while (my $line = <$fd>) {
+               if ($line =~ m/^([0-9a-fA-F]{40}) /){
+                       $commit = $1;
+                       next;

                }
                }

-               if ($found) {
+               if ($line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/ && (defined $commit)) {
+                       my $type = $3;
+                       my $file = $5;
+                       if ($file ne $file_name || $type ne "blob") {
+                               next;
+                       }
+                       my %co = git_read_commit($commit);
+                       if (!%co) {
+                               next;
+                       }

                        print "<div class=\"list\">\n" .
                        print "<div class=\"list\">\n" .

-                             $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$rev"},
+                             $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"},

                              "<span class=\"log_age\">" . $co{'age_string'} . "</span>" . escapeHTML($co{'title'})) . "\n" .
                              "</div>\n";
                        print "<div class=\"link\">\n" .
                              "view " .
                              "<span class=\"log_age\">" . $co{'age_string'} . "</span>" . escapeHTML($co{'title'})) . "\n" .
                              "</div>\n";
                        print "<div class=\"link\">\n" .
                              "view " .

-                             $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$rev"}, "commit") . " | " .
-                             $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$rev"}, "tree") . "<br/><br/>\n" .
+                             $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"}, "commit") .
+                             " | " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=" .  $co{'tree'} . ";hb=$commit"}, "tree") .
+                             " | " . $cgi->a({-href => "$my_uri?p=$project;a=blob;hb=$commit;f=" . $file}, "file") .
+                             "<br/><br/>\n" .

                              "</div>\n";
                              "</div>\n";

+                       undef $commit;

                }
        }
                }
        }

+       close $fd;

        git_footer_html();
        git_footer_html();

-} else {
-       die_error("", "Unknown action.");

 }
 }