gitweb: Add parse_commits, used to bulk load commit objects.

[Gitweb] / gitweb.perl

diff --git a/gitweb.perl b/gitweb.perl
index 60f77c399e6d45fb6da4a0046dacf6583d047ae2860cdf1b7f1a5eec8b659daf..0f824393f7b089b5422b8071b73c630159462d73f8d25ad81152f2509402d21c 100755 (executable)
--- a/gitweb.perl
+++ b/gitweb.perl
@@ -39,7 +39,8 @@ our $home_link_str = "++GITWEB_HOME_LINK_STR++";
 
 # name of your site or organization to appear in page titles
 # replace this with something more descriptive for clearer bookmarks
 
 # name of your site or organization to appear in page titles
 # replace this with something more descriptive for clearer bookmarks

-our $site_name = "++GITWEB_SITENAME++" || $ENV{'SERVER_NAME'} || "Untitled";
+our $site_name = "++GITWEB_SITENAME++"
+                 || ($ENV{'SERVER_NAME'} || "Untitled") . " Git";

 
 # filename of html text to include at top of each page
 our $site_header = "++GITWEB_SITE_HEADER++";
 
 # filename of html text to include at top of each page
 our $site_header = "++GITWEB_SITE_HEADER++";


@@ -50,15 +51,20 @@ our $site_footer = "++GITWEB_SITE_FOOTER++";
 
 # URI of stylesheets
 our @stylesheets = ("++GITWEB_CSS++");
 
 # URI of stylesheets
 our @stylesheets = ("++GITWEB_CSS++");

-our $stylesheet;
-# default is not to define style sheet, but it can be overwritten later
-undef $stylesheet;
+# URI of a single stylesheet, which can be overridden in GITWEB_CONFIG.
+our $stylesheet = undef;

 
 

-# URI of GIT logo
+# URI of GIT logo (72x27 size)

 our $logo = "++GITWEB_LOGO++";
 # URI of GIT favicon, assumed to be image/png type
 our $favicon = "++GITWEB_FAVICON++";
 
 our $logo = "++GITWEB_LOGO++";
 # URI of GIT favicon, assumed to be image/png type
 our $favicon = "++GITWEB_FAVICON++";
 

+# URI and label (title) of GIT logo link
+#our $logo_url = "http://www.kernel.org/pub/software/scm/git/docs/";
+#our $logo_label = "git documentation";
+our $logo_url = "http://git.or.cz/";
+our $logo_label = "git homepage";
+

 # source of projects list
 our $projects_list = "++GITWEB_LIST++";
 
 # source of projects list
 our $projects_list = "++GITWEB_LIST++";
 


@@ -71,7 +77,7 @@ our $strict_export = "++GITWEB_STRICT_EXPORT++";
 
 # list of git base URLs used for URL to where fetch project from,
 # i.e. full URL is "$git_base_url/$project"
 
 # list of git base URLs used for URL to where fetch project from,
 # i.e. full URL is "$git_base_url/$project"

-our @git_base_url_list = ("++GITWEB_BASE_URL++");
+our @git_base_url_list = grep { $_ ne '' } ("++GITWEB_BASE_URL++");

 
 # default blob_plain mimetype and default charset for text/plain blob
 our $default_blob_plain_mimetype = 'text/plain';
 
 # default blob_plain mimetype and default charset for text/plain blob
 our $default_blob_plain_mimetype = 'text/plain';


@@ -95,25 +101,87 @@ our %feature = (
        #
        # use gitweb_check_feature(<feature>) to check if <feature> is enabled
 
        #
        # use gitweb_check_feature(<feature>) to check if <feature> is enabled
 

+       # Enable the 'blame' blob view, showing the last commit that modified
+       # each line in the file. This can be very CPU-intensive.
+
+       # To enable system wide have in $GITWEB_CONFIG
+       # $feature{'blame'}{'default'} = [1];
+       # To have project specific config enable override in $GITWEB_CONFIG
+       # $feature{'blame'}{'override'} = 1;
+       # and in project config gitweb.blame = 0|1;

        'blame' => {
                'sub' => \&feature_blame,
                'override' => 0,
                'default' => [0]},
 
        'blame' => {
                'sub' => \&feature_blame,
                'override' => 0,
                'default' => [0]},
 

+       # Enable the 'snapshot' link, providing a compressed tarball of any
+       # tree. This can potentially generate high traffic if you have large
+       # project.
+
+       # To disable system wide have in $GITWEB_CONFIG
+       # $feature{'snapshot'}{'default'} = [undef];
+       # To have project specific config enable override in $GITWEB_CONFIG
+       # $feature{'snapshot'}{'override'} = 1;
+       # and in project config gitweb.snapshot = none|gzip|bzip2;

        'snapshot' => {
                'sub' => \&feature_snapshot,
                'override' => 0,
                #         => [content-encoding, suffix, program]
                'default' => ['x-gzip', 'gz', 'gzip']},
 
        'snapshot' => {
                'sub' => \&feature_snapshot,
                'override' => 0,
                #         => [content-encoding, suffix, program]
                'default' => ['x-gzip', 'gz', 'gzip']},
 

+       # Enable text search, which will list the commits which match author,
+       # committer or commit text to a given string.  Enabled by default.
+       'search' => {
+               'override' => 0,
+               'default' => [1]},
+
+       # Enable the pickaxe search, which will list the commits that modified
+       # a given string in a file. This can be practical and quite faster
+       # alternative to 'blame', but still potentially CPU-intensive.
+
+       # To enable system wide have in $GITWEB_CONFIG
+       # $feature{'pickaxe'}{'default'} = [1];
+       # To have project specific config enable override in $GITWEB_CONFIG
+       # $feature{'pickaxe'}{'override'} = 1;
+       # and in project config gitweb.pickaxe = 0|1;

        'pickaxe' => {
                'sub' => \&feature_pickaxe,
                'override' => 0,
                'default' => [1]},
 
        'pickaxe' => {
                'sub' => \&feature_pickaxe,
                'override' => 0,
                'default' => [1]},
 

+       # Make gitweb use an alternative format of the URLs which can be
+       # more readable and natural-looking: project name is embedded
+       # directly in the path and the query string contains other
+       # auxiliary information. All gitweb installations recognize
+       # URL in either format; this configures in which formats gitweb
+       # generates links.
+
+       # To enable system wide have in $GITWEB_CONFIG
+       # $feature{'pathinfo'}{'default'} = [1];
+       # Project specific override is not supported.
+
+       # Note that you will need to change the default location of CSS,
+       # favicon, logo and possibly other files to an absolute URL. Also,
+       # if gitweb.cgi serves as your indexfile, you will need to force
+       # $my_uri to contain the script name in your $GITWEB_CONFIG.

        'pathinfo' => {
                'override' => 0,
                'default' => [0]},
        'pathinfo' => {
                'override' => 0,
                'default' => [0]},

+
+       # Make gitweb consider projects in project root subdirectories
+       # to be forks of existing projects. Given project $projname.git,
+       # projects matching $projname/*.git will not be shown in the main
+       # projects list, instead a '+' mark will be added to $projname
+       # there and a 'forks' view will be enabled for the project, listing
+       # all the forks. This feature is supported only if project list
+       # is taken from a directory, not file.
+
+       # To enable system wide have in $GITWEB_CONFIG
+       # $feature{'forks'}{'default'} = [1];
+       # Project specific override is not supported.
+       'forks' => {
+               'override' => 0,
+               'default' => [0]},

 );
 
 sub gitweb_check_feature {
 );
 
 sub gitweb_check_feature {


@@ -131,12 +199,6 @@ sub gitweb_check_feature {
        return $sub->(@defaults);
 }
 
        return $sub->(@defaults);
 }
 

-# To enable system wide have in $GITWEB_CONFIG
-# $feature{'blame'}{'default'} = [1];
-# To have project specific config enable override in $GITWEB_CONFIG
-# $feature{'blame'}{'override'} = 1;
-# and in project config gitweb.blame = 0|1;
-

 sub feature_blame {
        my ($val) = git_get_project_config('blame', '--bool');
 
 sub feature_blame {
        my ($val) = git_get_project_config('blame', '--bool');
 


@@ -149,12 +211,6 @@ sub feature_blame {
        return $_[0];
 }
 
        return $_[0];
 }
 

-# To disable system wide have in $GITWEB_CONFIG
-# $feature{'snapshot'}{'default'} = [undef];
-# To have project specific config enable override in $GITWEB_CONFIG
-# $feature{'blame'}{'override'} = 1;
-# and in project config  gitweb.snapshot = none|gzip|bzip2
-

 sub feature_snapshot {
        my ($ctype, $suffix, $command) = @_;
 
 sub feature_snapshot {
        my ($ctype, $suffix, $command) = @_;
 


@@ -178,12 +234,6 @@ sub gitweb_have_snapshot {
        return $have_snapshot;
 }
 
        return $have_snapshot;
 }
 

-# To enable system wide have in $GITWEB_CONFIG
-# $feature{'pickaxe'}{'default'} = [1];
-# To have project specific config enable override in $GITWEB_CONFIG
-# $feature{'pickaxe'}{'override'} = 1;
-# and in project config gitweb.pickaxe = 0|1;
-

 sub feature_pickaxe {
        my ($val) = git_get_project_config('pickaxe', '--bool');
 
 sub feature_pickaxe {
        my ($val) = git_get_project_config('pickaxe', '--bool');
 


@@ -308,9 +358,19 @@ if (defined $searchtext) {
        if ($searchtext =~ m/[^a-zA-Z0-9_\.\/\-\+\:\@ ]/) {
                die_error(undef, "Invalid search parameter");
        }
        if ($searchtext =~ m/[^a-zA-Z0-9_\.\/\-\+\:\@ ]/) {
                die_error(undef, "Invalid search parameter");
        }

+       if (length($searchtext) < 2) {
+               die_error(undef, "At least two characters are required for search parameter");
+       }

        $searchtext = quotemeta $searchtext;
 }
 
        $searchtext = quotemeta $searchtext;
 }
 

+our $searchtype = $cgi->param('st');
+if (defined $searchtype) {
+       if ($searchtype =~ m/[^a-z]/) {
+               die_error(undef, "Invalid searchtype parameter");
+       }
+}
+

 # now read PATH_INFO and use it as alternative to parameters
 sub evaluate_path_info {
        return if defined $project;
 # now read PATH_INFO and use it as alternative to parameters
 sub evaluate_path_info {
        return if defined $project;


@@ -370,17 +430,21 @@ my %actions = (
        "commitdiff" => \&git_commitdiff,
        "commitdiff_plain" => \&git_commitdiff_plain,
        "commit" => \&git_commit,
        "commitdiff" => \&git_commitdiff,
        "commitdiff_plain" => \&git_commitdiff_plain,
        "commit" => \&git_commit,

+       "forks" => \&git_forks,

        "heads" => \&git_heads,
        "history" => \&git_history,
        "log" => \&git_log,
        "rss" => \&git_rss,
        "heads" => \&git_heads,
        "history" => \&git_history,
        "log" => \&git_log,
        "rss" => \&git_rss,

+       "atom" => \&git_atom,

        "search" => \&git_search,
        "search" => \&git_search,

+       "search_help" => \&git_search_help,

        "shortlog" => \&git_shortlog,
        "summary" => \&git_summary,
        "tag" => \&git_tag,
        "tags" => \&git_tags,
        "tree" => \&git_tree,
        "snapshot" => \&git_snapshot,
        "shortlog" => \&git_shortlog,
        "summary" => \&git_summary,
        "tag" => \&git_tag,
        "tags" => \&git_tags,
        "tree" => \&git_tree,
        "snapshot" => \&git_snapshot,

+       "object" => \&git_object,

        # those below don't need $project
        "opml" => \&git_opml,
        "project_list" => \&git_project_list,
        # those below don't need $project
        "opml" => \&git_opml,
        "project_list" => \&git_project_list,


@@ -407,7 +471,11 @@ exit;
 
 sub href(%) {
        my %params = @_;
 
 sub href(%) {
        my %params = @_;

-       my $href = $my_uri;
+       # default is to use -absolute url() i.e. $my_uri
+       my $href = $params{-full} ? $my_url : $my_uri;
+
+       # XXX: Warning: If you touch this, check the search form for updating,
+       # too.

 
        my @mapping = (
                project => "p",
 
        my @mapping = (
                project => "p",


@@ -421,6 +489,7 @@ sub href(%) {
                page => "pg",
                order => "o",
                searchtext => "s",
                page => "pg",
                order => "o",
                searchtext => "s",

+               searchtype => "st",

        );
        my %mapping = @mapping;
 
        );
        my %mapping = @mapping;
 


@@ -488,6 +557,12 @@ sub validate_refname {
        return $input;
 }
 
        return $input;
 }
 

+# very thin wrapper for decode("utf8", $str, Encode::FB_DEFAULT);
+sub to_utf8 {
+       my $str = shift;
+       return decode("utf8", $str, Encode::FB_DEFAULT);
+}
+

 # quote unsafe chars, but keep the slash, even when it's not
 # correct, but quoted slashes look too horrible in bookmarks
 sub esc_param {
 # quote unsafe chars, but keep the slash, even when it's not
 # correct, but quoted slashes look too horrible in bookmarks
 sub esc_param {


@@ -508,21 +583,93 @@ sub esc_url {
 }
 
 # replace invalid utf8 character with SUBSTITUTION sequence
 }
 
 # replace invalid utf8 character with SUBSTITUTION sequence

-sub esc_html {
+sub esc_html ($;%) {
+       my $str = shift;
+       my %opts = @_;
+
+       $str = to_utf8($str);
+       $str = escapeHTML($str);
+       if ($opts{'-nbsp'}) {
+               $str =~ s/ /&nbsp;/g;
+       }
+       $str =~ s|([[:cntrl:]])|(($1 ne "\t") ? quot_cec($1) : $1)|eg;
+       return $str;
+}
+
+# quote control characters and escape filename to HTML
+sub esc_path {

        my $str = shift;
        my $str = shift;

-       $str = decode("utf8", $str, Encode::FB_DEFAULT);
+       my %opts = @_;
+
+       $str = to_utf8($str);

        $str = escapeHTML($str);
        $str = escapeHTML($str);

-       $str =~ s/\014/^L/g; # escape FORM FEED (FF) character (e.g. in COPYING file)
-       $str =~ s/\033/^[/g; # "escape" ESCAPE (\e) character (e.g. commit 20a3847d8a5032ce41f90dcc68abfb36e6fee9b1)
+       if ($opts{'-nbsp'}) {
+               $str =~ s/ /&nbsp;/g;
+       }
+       $str =~ s|([[:cntrl:]])|quot_cec($1)|eg;

        return $str;
 }
 
        return $str;
 }
 

+# Make control characters "printable", using character escape codes (CEC)
+sub quot_cec {
+       my $cntrl = shift;
+       my %es = ( # character escape codes, aka escape sequences
+                  "\t" => '\t',   # tab            (HT)
+                  "\n" => '\n',   # line feed      (LF)
+                  "\r" => '\r',   # carrige return (CR)
+                  "\f" => '\f',   # form feed      (FF)
+                  "\b" => '\b',   # backspace      (BS)
+                  "\a" => '\a',   # alarm (bell)   (BEL)
+                  "\e" => '\e',   # escape         (ESC)
+                  "\013" => '\v', # vertical tab   (VT)
+                  "\000" => '\0', # nul character  (NUL)
+                  );
+       my $chr = ( (exists $es{$cntrl})
+                   ? $es{$cntrl}
+                   : sprintf('\%03o', ord($cntrl)) );
+       return "<span class=\"cntrl\">$chr</span>";
+}
+
+# Alternatively use unicode control pictures codepoints,
+# Unicode "printable representation" (PR)
+sub quot_upr {
+       my $cntrl = shift;
+       my $chr = sprintf('&#%04d;', 0x2400+ord($cntrl));
+       return "<span class=\"cntrl\">$chr</span>";
+}
+

 # git may return quoted and escaped filenames
 sub unquote {
        my $str = shift;
 # git may return quoted and escaped filenames
 sub unquote {
        my $str = shift;

+
+       sub unq {
+               my $seq = shift;
+               my %es = ( # character escape codes, aka escape sequences
+                       't' => "\t",   # tab            (HT, TAB)
+                       'n' => "\n",   # newline        (NL)
+                       'r' => "\r",   # return         (CR)
+                       'f' => "\f",   # form feed      (FF)
+                       'b' => "\b",   # backspace      (BS)
+                       'a' => "\a",   # alarm (bell)   (BEL)
+                       'e' => "\e",   # escape         (ESC)
+                       'v' => "\013", # vertical tab   (VT)
+               );
+
+               if ($seq =~ m/^[0-7]{1,3}$/) {
+                       # octal char sequence
+                       return chr(oct($seq));
+               } elsif (exists $es{$seq}) {
+                       # C escape sequence, aka character escape code
+                       return $es{$seq}
+               }
+               # quoted ordinary character
+               return $seq;
+       }
+

        if ($str =~ m/^"(.*)"$/) {
        if ($str =~ m/^"(.*)"$/) {

+               # needs unquoting

                $str = $1;
                $str = $1;

-               $str =~ s/\\([0-7]{1,3})/chr(oct($1))/eg;
+               $str =~ s/\\([^0-7]|[0-7]{1,3})/unq($1)/eg;

        }
        return $str;
 }
        }
        return $str;
 }


@@ -656,24 +803,47 @@ sub file_type {
        }
 }
 
        }
 }
 

+# convert file mode in octal to file type description string
+sub file_type_long {
+       my $mode = shift;
+
+       if ($mode !~ m/^[0-7]+$/) {
+               return $mode;
+       } else {
+               $mode = oct $mode;
+       }
+
+       if (S_ISDIR($mode & S_IFMT)) {
+               return "directory";
+       } elsif (S_ISLNK($mode)) {
+               return "symlink";
+       } elsif (S_ISREG($mode)) {
+               if ($mode & S_IXUSR) {
+                       return "executable";
+               } else {
+                       return "file";
+               };
+       } else {
+               return "unknown";
+       }
+}
+
+

 ## ----------------------------------------------------------------------
 ## functions returning short HTML fragments, or transforming HTML fragments
 ## which don't beling to other sections
 
 ## ----------------------------------------------------------------------
 ## functions returning short HTML fragments, or transforming HTML fragments
 ## which don't beling to other sections
 

-# format line of commit message or tag comment
+# format line of commit message.

 sub format_log_line_html {
        my $line = shift;
 
 sub format_log_line_html {
        my $line = shift;
 

-       $line = esc_html($line);
-       $line =~ s/ /&nbsp;/g;
-       if ($line =~ m/([0-9a-fA-F]{40})/) {
+       $line = esc_html($line, -nbsp=>1);
+       if ($line =~ m/([0-9a-fA-F]{8,40})/) {

                my $hash_text = $1;
                my $hash_text = $1;

-               if (git_get_type($hash_text) eq "commit") {
-                       my $link =
-                               $cgi->a({-href => href(action=>"commit", hash=>$hash_text),
-                                       -class => "text"}, $hash_text);
-                       $line =~ s/$hash_text/$link/;
-               }
+               my $link =
+                       $cgi->a({-href => href(action=>"object", hash=>$hash_text),
+                               -class => "text"}, $hash_text);
+               $line =~ s/$hash_text/$link/;

        }
        return $line;
 }
        }
        return $line;
 }


@@ -695,7 +865,8 @@ sub format_ref_marker {
                                $name = $ref;
                        }
 
                                $name = $ref;
                        }
 

-                       $markers .= " <span class=\"$type\">" . esc_html($name) . "</span>";
+                       $markers .= " <span class=\"$type\" title=\"$ref\">" .
+                                   esc_html($name) . "</span>";

                }
        }
 
                }
        }
 


@@ -713,7 +884,7 @@ sub format_subject_html {
 
        if (length($short) < length($long)) {
                return $cgi->a({-href => $href, -class => "list subject",
 
        if (length($short) < length($long)) {
                return $cgi->a({-href => $href, -class => "list subject",

-                               -title => decode("utf8", $long, Encode::FB_DEFAULT)},
+                               -title => to_utf8($long)},

                       esc_html($short) . $extra);
        } else {
                return $cgi->a({-href => $href, -class => "list subject"},
                       esc_html($short) . $extra);
        } else {
                return $cgi->a({-href => $href, -class => "list subject"},


@@ -721,8 +892,10 @@ sub format_subject_html {
        }
 }
 
        }
 }
 

+# format patch (diff) line (rather not to be used for diff headers)

 sub format_diff_line {
        my $line = shift;
 sub format_diff_line {
        my $line = shift;

+       my ($from, $to) = @_;

        my $char = substr($line, 0, 1);
        my $diff_class = "";
 
        my $char = substr($line, 0, 1);
        my $diff_class = "";
 


@@ -738,7 +911,26 @@ sub format_diff_line {
                $diff_class = " incomplete";
        }
        $line = untabify($line);
                $diff_class = " incomplete";
        }
        $line = untabify($line);

-       return "<div class=\"diff$diff_class\">" . esc_html($line) . "</div>\n";
+       if ($from && $to && $line =~ m/^\@{2} /) {
+               my ($from_text, $from_start, $from_lines, $to_text, $to_start, $to_lines, $section) =
+                       $line =~ m/^\@{2} (-(\d+)(?:,(\d+))?) (\+(\d+)(?:,(\d+))?) \@{2}(.*)$/;
+
+               $from_lines = 0 unless defined $from_lines;
+               $to_lines   = 0 unless defined $to_lines;
+
+               if ($from->{'href'}) {
+                       $from_text = $cgi->a({-href=>"$from->{'href'}#l$from_start",
+                                            -class=>"list"}, $from_text);
+               }
+               if ($to->{'href'}) {
+                       $to_text   = $cgi->a({-href=>"$to->{'href'}#l$to_start",
+                                            -class=>"list"}, $to_text);
+               }
+               $line = "<span class=\"chunk_info\">@@ $from_text $to_text @@</span>" .
+                       "<span class=\"section\">" . esc_html($section, -nbsp=>1) . "</span>";
+               return "<div class=\"diff$diff_class\">$line</div>\n";
+       }
+       return "<div class=\"diff$diff_class\">" . esc_html($line, -nbsp=>1) . "</div>\n";

 }
 
 ## ----------------------------------------------------------------------
 }
 
 ## ----------------------------------------------------------------------


@@ -814,7 +1006,7 @@ sub git_get_hash_by_path {
        close $fd or return undef;
 
        #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa  panic.c'
        close $fd or return undef;
 
        #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa  panic.c'

-       $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
+       $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t/;

        if (defined $type && $type ne $2) {
                # type doesn't match
                return undef;
        if (defined $type && $type ne $2) {
                # type doesn't match
                return undef;


@@ -846,13 +1038,21 @@ sub git_get_project_url_list {
 }
 
 sub git_get_projects_list {
 }
 
 sub git_get_projects_list {

+       my ($filter) = @_;

        my @list;
 
        my @list;
 

+       $filter ||= '';
+       $filter =~ s/\.git$//;
+

        if (-d $projects_list) {
                # search in directory
        if (-d $projects_list) {
                # search in directory

-               my $dir = $projects_list;
+               my $dir = $projects_list . ($filter ? "/$filter" : '');
+               # remove the trailing "/"
+               $dir =~ s!/+$!!;

                my $pfxlen = length("$dir");
 
                my $pfxlen = length("$dir");
 

+               my ($check_forks) = gitweb_check_feature('forks');
+

                File::Find::find({
                        follow_fast => 1, # follow symbolic links
                        dangling_symlinks => 0, # ignore dangling symlinks, silently
                File::Find::find({
                        follow_fast => 1, # follow symbolic links
                        dangling_symlinks => 0, # ignore dangling symlinks, silently


@@ -864,8 +1064,10 @@ sub git_get_projects_list {
 
                                my $subdir = substr($File::Find::name, $pfxlen + 1);
                                # we check related file in $projectroot
 
                                my $subdir = substr($File::Find::name, $pfxlen + 1);
                                # we check related file in $projectroot

-                               if (check_export_ok("$projectroot/$subdir")) {
-                                       push @list, { path => $subdir };
+                               if ($check_forks and $subdir =~ m#/.#) {
+                                       $File::Find::prune = 1;
+                               } elsif (check_export_ok("$projectroot/$filter/$subdir")) {
+                                       push @list, { path => ($filter ? "$filter/" : '') . $subdir };

                                        $File::Find::prune = 1;
                                }
                        },
                                        $File::Find::prune = 1;
                                }
                        },


@@ -885,10 +1087,21 @@ sub git_get_projects_list {
                        if (!defined $path) {
                                next;
                        }
                        if (!defined $path) {
                                next;
                        }

+                       if ($filter ne '') {
+                               # looking for forks;
+                               my $pfx = substr($path, 0, length($filter));
+                               if ($pfx ne $filter) {
+                                       next;
+                               }
+                               my $sfx = substr($path, length($filter));
+                               if ($sfx !~ /^\/.*\.git$/) {
+                                       next;
+                               }
+                       }

                        if (check_export_ok("$projectroot/$path")) {
                                my $pr = {
                                        path => $path,
                        if (check_export_ok("$projectroot/$path")) {
                                my $pr = {
                                        path => $path,

-                                       owner => decode("utf8", $owner, Encode::FB_DEFAULT),
+                                       owner => to_utf8($owner),

                                };
                                push @list, $pr
                        }
                                };
                                push @list, $pr
                        }


@@ -917,7 +1130,7 @@ sub git_get_project_owner {
                        $pr = unescape($pr);
                        $ow = unescape($ow);
                        if ($pr eq $project) {
                        $pr = unescape($pr);
                        $ow = unescape($ow);
                        if ($pr eq $project) {

-                               $owner = decode("utf8", $ow, Encode::FB_DEFAULT);
+                               $owner = to_utf8($ow);

                                last;
                        }
                }
                                last;
                        }
                }


@@ -930,17 +1143,37 @@ sub git_get_project_owner {
        return $owner;
 }
 
        return $owner;
 }
 

+sub git_get_last_activity {
+       my ($path) = @_;
+       my $fd;
+
+       $git_dir = "$projectroot/$path";
+       open($fd, "-|", git_cmd(), 'for-each-ref',
+            '--format=%(committer)',
+            '--sort=-committerdate',
+            '--count=1',
+            'refs/heads') or return;
+       my $most_recent = <$fd>;
+       close $fd or return;
+       if ($most_recent =~ / (\d+) [-+][01]\d\d\d$/) {
+               my $timestamp = $1;
+               my $age = time - $timestamp;
+               return ($age, age_string($age));
+       }
+}
+

 sub git_get_references {
        my $type = shift || "";
        my %refs;
 sub git_get_references {
        my $type = shift || "";
        my %refs;

-       # 5dc01c595e6c6ec9ccda4f6f69c131c0dd945f8c      refs/tags/v2.6.11
-       # c39ae07f393806ccf406ef966e9a15afc43cc36a      refs/tags/v2.6.11^{}
-       open my $fd, "-|", $GIT, "peek-remote", "$projectroot/$project/"
+       # 5dc01c595e6c6ec9ccda4f6f69c131c0dd945f8c refs/tags/v2.6.11
+       # c39ae07f393806ccf406ef966e9a15afc43cc36a refs/tags/v2.6.11^{}
+       open my $fd, "-|", git_cmd(), "show-ref", "--dereference",
+               ($type ? ("--", "refs/$type") : ()) # use -- <pattern> if $type

                or return;
 
        while (my $line = <$fd>) {
                chomp $line;
                or return;
 
        while (my $line = <$fd>) {
                chomp $line;

-               if ($line =~ m/^([0-9a-fA-F]{40})\trefs\/($type\/?[^\^]+)/) {
+               if ($line =~ m!^([0-9a-fA-F]{40})\srefs/($type/?[^^]+)!) {

                        if (defined $refs{$1}) {
                                push @{$refs{$1}}, $2;
                        } else {
                        if (defined $refs{$1}) {
                                push @{$refs{$1}}, $2;
                        } else {


@@ -984,10 +1217,12 @@ sub parse_date {
        $date{'mday'} = $mday;
        $date{'day'} = $days[$wday];
        $date{'month'} = $months[$mon];
        $date{'mday'} = $mday;
        $date{'day'} = $days[$wday];
        $date{'month'} = $months[$mon];

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

+       $date{'iso-8601'}  = sprintf "%04d-%02d-%02dT%02d:%02d:%02dZ",
+                            1900+$year, $mon, $mday, $hour ,$min, $sec;

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


@@ -995,6 +1230,9 @@ sub parse_date {
        $date{'hour_local'} = $hour;
        $date{'minute_local'} = $min;
        $date{'tz_local'} = $tz;
        $date{'hour_local'} = $hour;
        $date{'minute_local'} = $min;
        $date{'tz_local'} = $tz;

+       $date{'iso-tz'} = sprintf("%04d-%02d-%02d %02d:%02d:%02d %s",
+                                 1900+$year, $mon+1, $mday,
+                                 $hour, $min, $sec, $tz);

        return %date;
 }
 
        return %date;
 }
 


@@ -1033,24 +1271,13 @@ sub parse_tag {
        return %tag
 }
 
        return %tag
 }
 

-sub parse_commit {
-       my $commit_id = shift;
-       my $commit_text = shift;
-
-       my @commit_lines;
+sub parse_commit_text {
+       my ($commit_text) = @_;
+       my @commit_lines = split '\n', $commit_text;

        my %co;
 
        my %co;
 

-       if (defined $commit_text) {
-               @commit_lines = @$commit_text;
-       } else {
-               $/ = "\0";
-               open my $fd, "-|", git_cmd(), "rev-list", "--header", "--parents", "--max-count=1", $commit_id
-                       or return;
-               @commit_lines = split '\n', <$fd>;
-               close $fd or return;
-               $/ = "\n";
-               pop @commit_lines;
-       }
+       pop @commit_lines; # Remove '\0'
+

        my $header = shift @commit_lines;
        if (!($header =~ m/^[0-9a-fA-F]{40}/)) {
                return;
        my $header = shift @commit_lines;
        if (!($header =~ m/^[0-9a-fA-F]{40}/)) {
                return;


@@ -1066,8 +1293,9 @@ sub parse_commit {
                        $co{'author'} = $1;
                        $co{'author_epoch'} = $2;
                        $co{'author_tz'} = $3;
                        $co{'author'} = $1;
                        $co{'author_epoch'} = $2;
                        $co{'author_tz'} = $3;

-                       if ($co{'author'} =~ m/^([^<]+) </) {
-                               $co{'author_name'} = $1;
+                       if ($co{'author'} =~ m/^([^<]+) <([^>]*)>/) {
+                               $co{'author_name'}  = $1;
+                               $co{'author_email'} = $2;

                        } else {
                                $co{'author_name'} = $co{'author'};
                        }
                        } else {
                                $co{'author_name'} = $co{'author'};
                        }


@@ -1076,7 +1304,12 @@ sub parse_commit {
                        $co{'committer_epoch'} = $2;
                        $co{'committer_tz'} = $3;
                        $co{'committer_name'} = $co{'committer'};
                        $co{'committer_epoch'} = $2;
                        $co{'committer_tz'} = $3;
                        $co{'committer_name'} = $co{'committer'};

-                       $co{'committer_name'} =~ s/ <.*//;
+                       if ($co{'committer'} =~ m/^([^<]+) <([^>]*)>/) {
+                               $co{'committer_name'}  = $1;
+                               $co{'committer_email'} = $2;
+                       } else {
+                               $co{'committer_name'} = $co{'committer'};
+                       }

                }
        }
        if (!defined $co{'tree'}) {
                }
        }
        if (!defined $co{'tree'}) {


@@ -1108,6 +1341,9 @@ sub parse_commit {
                        last;
                }
        }
                        last;
                }
        }

+       if ($co{'title'} eq "") {
+               $co{'title'} = $co{'title_short'} = '(no commit message)';
+       }

        # remove added spaces
        foreach my $line (@commit_lines) {
                $line =~ s/^    //;
        # remove added spaces
        foreach my $line (@commit_lines) {
                $line =~ s/^    //;


@@ -1128,6 +1364,75 @@ sub parse_commit {
        return %co;
 }
 
        return %co;
 }
 

+sub parse_commit {
+       my ($commit_id) = @_;
+       my %co;
+
+       local $/ = "\0";
+
+       open my $fd, "-|", git_cmd(), "rev-list",
+               "--header",
+               "--parents",
+               "--max-count=1",
+               $commit_id,
+               "--",
+               or die_error(undef, "Open git-rev-list failed");
+       %co = parse_commit_text(<$fd>);
+       close $fd;
+
+       return %co;
+}
+
+sub parse_commits {
+       my ($commit_id, $maxcount, $skip, $arg, $filename) = @_;
+       my @cos;
+
+       $maxcount ||= 1;
+       $skip ||= 0;
+
+       # Delete once rev-list supports the --skip option
+       if ($skip > 0) {
+               open my $fd, "-|", git_cmd(), "rev-list",
+                       ($arg ? ($arg) : ()),
+                       ("--max-count=" . ($maxcount + $skip)),
+                       $commit_id,
+                       "--",
+                       ($filename ? ($filename) : ())
+                       or die_error(undef, "Open git-rev-list failed");
+               while (my $line = <$fd>) {
+                       if ($skip-- <= 0) {
+                               chomp $line;
+                               my %co = parse_commit($line);
+                               push @cos, \%co;
+                       }
+               }
+               close $fd;
+
+               return wantarray ? @cos : \@cos;
+       }
+
+       local $/ = "\0";
+
+       open my $fd, "-|", git_cmd(), "rev-list",
+               "--header",
+               "--parents",
+               ($arg ? ($arg) : ()),
+               ("--max-count=" . $maxcount),
+               # Add once rev-list supports the --skip option
+               # ("--skip=" . $skip),
+               $commit_id,
+               "--",
+               ($filename ? ($filename) : ())
+               or die_error(undef, "Open git-rev-list failed");
+       while (my $line = <$fd>) {
+               my %co = parse_commit_text($line);
+               push @cos, \%co;
+       }
+       close $fd;
+
+       return wantarray ? @cos : \@cos;
+}
+

 # parse ref from ref_file, given by ref_id, with given type
 sub parse_ref {
        my $ref_file = shift;
 # parse ref from ref_file, given by ref_id, with given type
 sub parse_ref {
        my $ref_file = shift;


@@ -1206,7 +1511,7 @@ sub parse_ls_tree_line ($;%) {
        my %res;
 
        #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa  panic.c'
        my %res;
 
        #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa  panic.c'

-       $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
+       $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/s;

 
        $res{'mode'} = $1;
        $res{'type'} = $2;
 
        $res{'mode'} = $1;
        $res{'type'} = $2;


@@ -1223,47 +1528,88 @@ sub parse_ls_tree_line ($;%) {
 ## ......................................................................
 ## parse to array of hashes functions
 
 ## ......................................................................
 ## parse to array of hashes functions
 

-sub git_get_refs_list {
-       my $type = shift || "";
-       my %refs;
-       my @reflist;
+sub git_get_heads_list {
+       my $limit = shift;
+       my @headslist;

 
 

-       my @refs;
-       open my $fd, "-|", $GIT, "peek-remote", "$projectroot/$project/"
+       open my $fd, '-|', git_cmd(), 'for-each-ref',
+               ($limit ? '--count='.($limit+1) : ()), '--sort=-committerdate',
+               '--format=%(objectname) %(refname) %(subject)%00%(committer)',
+               'refs/heads'

                or return;
        while (my $line = <$fd>) {
                or return;
        while (my $line = <$fd>) {

-               chomp $line;
-               if ($line =~ m/^([0-9a-fA-F]{40})\trefs\/($type\/?([^\^]+))(\^\{\})?$/) {
-                       if (defined $refs{$1}) {
-                               push @{$refs{$1}}, $2;
-                       } else {
-                               $refs{$1} = [ $2 ];
-                       }
+               my %ref_item;

 
 

-                       if (! $4) { # unpeeled, direct reference
-                               push @refs, { hash => $1, name => $3 }; # without type
-                       } elsif ($3 eq $refs[-1]{'name'}) {
-                               # most likely a tag is followed by its peeled
-                               # (deref) one, and when that happens we know the
-                               # previous one was of type 'tag'.
-                               $refs[-1]{'type'} = "tag";
-                       }
+               chomp $line;
+               my ($refinfo, $committerinfo) = split(/\0/, $line);
+               my ($hash, $name, $title) = split(' ', $refinfo, 3);
+               my ($committer, $epoch, $tz) =
+                       ($committerinfo =~ /^(.*) ([0-9]+) (.*)$/);
+               $name =~ s!^refs/heads/!!;
+
+               $ref_item{'name'}  = $name;
+               $ref_item{'id'}    = $hash;
+               $ref_item{'title'} = $title || '(no commit message)';
+               $ref_item{'epoch'} = $epoch;
+               if ($epoch) {
+                       $ref_item{'age'} = age_string(time - $ref_item{'epoch'});
+               } else {
+                       $ref_item{'age'} = "unknown";

                }
                }

+
+               push @headslist, \%ref_item;

        }
        close $fd;
 
        }
        close $fd;
 

-       foreach my $ref (@refs) {
-               my $ref_file = $ref->{'name'};
-               my $ref_id   = $ref->{'hash'};
+       return wantarray ? @headslist : \@headslist;
+}
+
+sub git_get_tags_list {
+       my $limit = shift;
+       my @tagslist;
+
+       open my $fd, '-|', git_cmd(), 'for-each-ref',
+               ($limit ? '--count='.($limit+1) : ()), '--sort=-creatordate',
+               '--format=%(objectname) %(objecttype) %(refname) '.
+               '%(*objectname) %(*objecttype) %(subject)%00%(creator)',
+               'refs/tags'
+               or return;
+       while (my $line = <$fd>) {
+               my %ref_item;
+
+               chomp $line;
+               my ($refinfo, $creatorinfo) = split(/\0/, $line);
+               my ($id, $type, $name, $refid, $reftype, $title) = split(' ', $refinfo, 6);
+               my ($creator, $epoch, $tz) =
+                       ($creatorinfo =~ /^(.*) ([0-9]+) (.*)$/);
+               $name =~ s!^refs/tags/!!;
+
+               $ref_item{'type'} = $type;
+               $ref_item{'id'} = $id;
+               $ref_item{'name'} = $name;
+               if ($type eq "tag") {
+                       $ref_item{'subject'} = $title;
+                       $ref_item{'reftype'} = $reftype;
+                       $ref_item{'refid'}   = $refid;
+               } else {
+                       $ref_item{'reftype'} = $type;
+                       $ref_item{'refid'}   = $id;
+               }

 
 

-               my $type = $ref->{'type'} || git_get_type($ref_id) || next;
-               my %ref_item = parse_ref($ref_file, $ref_id, $type);
+               if ($type eq "tag" || $type eq "commit") {
+                       $ref_item{'epoch'} = $epoch;
+                       if ($epoch) {
+                               $ref_item{'age'} = age_string(time - $ref_item{'epoch'});
+                       } else {
+                               $ref_item{'age'} = "unknown";
+                       }
+               }

 
 

-               push @reflist, \%ref_item;
+               push @tagslist, \%ref_item;

        }
        }

-       # sort refs by age
-       @reflist = sort {$b->{'epoch'} <=> $a->{'epoch'}} @reflist;
-       return (\@reflist, \%refs);
+       close $fd;
+
+       return wantarray ? @tagslist : \@tagslist;

 }
 
 ## ----------------------------------------------------------------------
 }
 
 ## ----------------------------------------------------------------------


@@ -1279,7 +1625,7 @@ sub get_file_owner {
        }
        my $owner = $gcos;
        $owner =~ s/[,;].*$//;
        }
        my $owner = $gcos;
        $owner =~ s/[,;].*$//;

-       return decode("utf8", $owner, Encode::FB_DEFAULT);
+       return to_utf8($owner);

 }
 
 ## ......................................................................
 }
 
 ## ......................................................................


@@ -1360,13 +1706,13 @@ sub git_header_html {
        my $status = shift || "200 OK";
        my $expires = shift;
 
        my $status = shift || "200 OK";
        my $expires = shift;
 

-       my $title = "$site_name git";
+       my $title = "$site_name";

        if (defined $project) {
                $title .= " - $project";
                if (defined $action) {
                        $title .= "/$action";
                        if (defined $file_name) {
        if (defined $project) {
                $title .= " - $project";
                if (defined $action) {
                        $title .= "/$action";
                        if (defined $file_name) {

-                               $title .= " - " . esc_html($file_name);
+                               $title .= " - " . esc_path($file_name);

                                if ($action eq "tree" && $file_name !~ m|/$|) {
                                        $title .= "/";
                                }
                                if ($action eq "tree" && $file_name !~ m|/$|) {
                                        $title .= "/";
                                }


@@ -1410,14 +1756,17 @@ EOF
                }
        }
        if (defined $project) {
                }
        }
        if (defined $project) {

-               printf('<link rel="alternate" title="%s log" '.
-                      'href="%s" type="application/rss+xml"/>'."\n",
+               printf('<link rel="alternate" title="%s log RSS feed" '.
+                      'href="%s" type="application/rss+xml" />'."\n",

                       esc_param($project), href(action=>"rss"));
                       esc_param($project), href(action=>"rss"));

+               printf('<link rel="alternate" title="%s log Atom feed" '.
+                      'href="%s" type="application/atom+xml" />'."\n",
+                      esc_param($project), href(action=>"atom"));

        } else {
                printf('<link rel="alternate" title="%s projects list" '.
                       'href="%s" type="text/plain; charset=utf-8"/>'."\n",
                       $site_name, href(project=>undef, action=>"project_index"));
        } else {
                printf('<link rel="alternate" title="%s projects list" '.
                       'href="%s" type="text/plain; charset=utf-8"/>'."\n",
                       $site_name, href(project=>undef, action=>"project_index"));

-               printf('<link rel="alternate" title="%s projects logs" '.
+               printf('<link rel="alternate" title="%s projects feeds" '.

                       'href="%s" type="text/x-opml"/>'."\n",
                       $site_name, href(project=>undef, action=>"opml"));
        }
                       'href="%s" type="text/x-opml"/>'."\n",
                       $site_name, href(project=>undef, action=>"opml"));
        }


@@ -1435,9 +1784,9 @@ EOF
        }
 
        print "<div class=\"page_header\">\n" .
        }
 
        print "<div class=\"page_header\">\n" .

-             "<a href=\"http://www.kernel.org/pub/software/scm/git/docs/\" title=\"git documentation\">" .
-             "<img src=\"$logo\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/>" .
-             "</a>\n";
+             $cgi->a({-href => esc_url($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));
        print $cgi->a({-href => esc_url($home_link)}, $home_link_str) . " / ";
        if (defined $project) {
                print $cgi->a({-href => href(action=>"summary")}, esc_html($project));


@@ -1445,6 +1794,9 @@ EOF
                        print " / $action";
                }
                print "\n";
                        print " / $action";
                }
                print "\n";

+       }
+       my ($have_search) = gitweb_check_feature('search');
+       if ((defined $project) && ($have_search)) {

                if (!defined $searchtext) {
                        $searchtext = "";
                }
                if (!defined $searchtext) {
                        $searchtext = "";
                }


@@ -1458,11 +1810,16 @@ EOF
                }
                $cgi->param("a", "search");
                $cgi->param("h", $search_hash);
                }
                $cgi->param("a", "search");
                $cgi->param("h", $search_hash);

+               $cgi->param("p", $project);

                print $cgi->startform(-method => "get", -action => $my_uri) .
                      "<div class=\"search\">\n" .
                      $cgi->hidden(-name => "p") . "\n" .
                      $cgi->hidden(-name => "a") . "\n" .
                      $cgi->hidden(-name => "h") . "\n" .
                print $cgi->startform(-method => "get", -action => $my_uri) .
                      "<div class=\"search\">\n" .
                      $cgi->hidden(-name => "p") . "\n" .
                      $cgi->hidden(-name => "a") . "\n" .
                      $cgi->hidden(-name => "h") . "\n" .

+                     $cgi->popup_menu(-name => 'st', -default => 'commit',
+                                      -values => ['commit', 'author', 'committer', 'pickaxe']) .
+                     $cgi->sup($cgi->a({-href => href(action=>"search_help")}, "?")) .
+                     " search:\n",

                      $cgi->textfield(-name => "s", -value => $searchtext) . "\n" .
                      "</div>" .
                      $cgi->end_form() . "\n";
                      $cgi->textfield(-name => "s", -value => $searchtext) . "\n" .
                      "</div>" .
                      $cgi->end_form() . "\n";


@@ -1478,7 +1835,9 @@ sub git_footer_html {
                        print "<div class=\"page_footer_text\">" . esc_html($descr) . "</div>\n";
                }
                print $cgi->a({-href => href(action=>"rss"),
                        print "<div class=\"page_footer_text\">" . esc_html($descr) . "</div>\n";
                }
                print $cgi->a({-href => href(action=>"rss"),

-                             -class => "rss_logo"}, "RSS") . "\n";
+                             -class => "rss_logo"}, "RSS") . " ";
+               print $cgi->a({-href => href(action=>"atom"),
+                             -class => "rss_logo"}, "Atom") . "\n";

        } else {
                print $cgi->a({-href => href(project=>undef, action=>"opml"),
                              -class => "rss_logo"}, "OPML") . " ";
        } else {
                print $cgi->a({-href => href(project=>undef, action=>"opml"),
                              -class => "rss_logo"}, "OPML") . " ";


@@ -1618,37 +1977,37 @@ sub git_print_page_path {
        my $type = shift;
        my $hb = shift;
 
        my $type = shift;
        my $hb = shift;
 

-       if (!defined $name) {
-               print "<div class=\"page_path\">/</div>\n";
-       } else {
+
+       print "<div class=\"page_path\">";
+       print $cgi->a({-href => href(action=>"tree", hash_base=>$hb),
+                     -title => 'tree root'}, "[$project]");
+       print " / ";
+       if (defined $name) {

                my @dirname = split '/', $name;
                my $basename = pop @dirname;
                my $fullname = '';
 
                my @dirname = split '/', $name;
                my $basename = pop @dirname;
                my $fullname = '';
 

-               print "<div class=\"page_path\">";
-               print $cgi->a({-href => href(action=>"tree", hash_base=>$hb),
-                             -title => 'tree root'}, "[$project]");
-               print " / ";

                foreach my $dir (@dirname) {
                        $fullname .= ($fullname ? '/' : '') . $dir;
                        print $cgi->a({-href => href(action=>"tree", file_name=>$fullname,
                                                     hash_base=>$hb),
                foreach my $dir (@dirname) {
                        $fullname .= ($fullname ? '/' : '') . $dir;
                        print $cgi->a({-href => href(action=>"tree", file_name=>$fullname,
                                                     hash_base=>$hb),

-                                     -title => $fullname}, esc_html($dir));
+                                     -title => esc_html($fullname)}, esc_path($dir));

                        print " / ";
                }
                if (defined $type && $type eq 'blob') {
                        print $cgi->a({-href => href(action=>"blob_plain", file_name=>$file_name,
                                                     hash_base=>$hb),
                        print " / ";
                }
                if (defined $type && $type eq 'blob') {
                        print $cgi->a({-href => href(action=>"blob_plain", file_name=>$file_name,
                                                     hash_base=>$hb),

-                                     -title => $name}, esc_html($basename));
+                                     -title => esc_html($name)}, esc_path($basename));

                } elsif (defined $type && $type eq 'tree') {
                        print $cgi->a({-href => href(action=>"tree", file_name=>$file_name,
                                                     hash_base=>$hb),
                } elsif (defined $type && $type eq 'tree') {
                        print $cgi->a({-href => href(action=>"tree", file_name=>$file_name,
                                                     hash_base=>$hb),

-                                     -title => $name}, esc_html($basename));
+                                     -title => esc_html($name)}, esc_path($basename));
+                       print " / ";

                } else {
                } else {

-                       print esc_html($basename);
+                       print esc_path($basename);

                }
                }

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

        }
        }

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

 }
 
 # sub git_print_log (\@;%) {
 }
 
 # sub git_print_log (\@;%) {


@@ -1701,13 +2060,65 @@ sub git_print_log ($;%) {
        }
 }
 
        }
 }
 

-sub git_print_simplified_log {
-       my $log = shift;
-       my $remove_title = shift;
+# return link target (what link points to)
+sub git_get_link_target {
+       my $hash = shift;
+       my $link_target;
+
+       # read link
+       open my $fd, "-|", git_cmd(), "cat-file", "blob", $hash
+               or return;
+       {
+               local $/;
+               $link_target = <$fd>;
+       }
+       close $fd
+               or return;
+
+       return $link_target;
+}
+
+# given link target, and the directory (basedir) the link is in,
+# return target of link relative to top directory (top tree);
+# return undef if it is not possible (including absolute links).
+sub normalize_link_target {
+       my ($link_target, $basedir, $hash_base) = @_;
+
+       # we can normalize symlink target only if $hash_base is provided
+       return unless $hash_base;
+
+       # absolute symlinks (beginning with '/') cannot be normalized
+       return if (substr($link_target, 0, 1) eq '/');
+
+       # normalize link target to path from top (root) tree (dir)
+       my $path;
+       if ($basedir) {
+               $path = $basedir . '/' . $link_target;
+       } else {
+               # we are in top (root) tree (dir)
+               $path = $link_target;
+       }
+
+       # remove //, /./, and /../
+       my @path_parts;
+       foreach my $part (split('/', $path)) {
+               # discard '.' and ''
+               next if (!$part || $part eq '.');
+               # handle '..'
+               if ($part eq '..') {
+                       if (@path_parts) {
+                               pop @path_parts;
+                       } else {
+                               # link leads outside repository (outside top dir)
+                               return;
+                       }
+               } else {
+                       push @path_parts, $part;
+               }
+       }
+       $path = join('/', @path_parts);

 
 

-       git_print_log($log,
-               -final_empty_line=> 1,
-               -remove_title => $remove_title);
+       return $path;

 }
 
 # print tree entry (row of git_tree), but without encompassing <tr> element
 }
 
 # print tree entry (row of git_tree), but without encompassing <tr> element


@@ -1715,7 +2126,7 @@ sub git_print_tree_entry {
        my ($t, $basedir, $hash_base, $have_blame) = @_;
 
        my %base_key = ();
        my ($t, $basedir, $hash_base, $have_blame) = @_;
 
        my %base_key = ();

-       $base_key{hash_base} = $hash_base if defined $hash_base;
+       $base_key{'hash_base'} = $hash_base if defined $hash_base;

 
        # The format of a table row is: mode list link.  Where mode is
        # the mode of the entry, list is the name of the entry, an href,
 
        # The format of a table row is: mode list link.  Where mode is
        # the mode of the entry, list is the name of the entry, an href,


@@ -1725,37 +2136,58 @@ sub git_print_tree_entry {
        if ($t->{'type'} eq "blob") {
                print "<td class=\"list\">" .
                        $cgi->a({-href => href(action=>"blob", hash=>$t->{'hash'},
        if ($t->{'type'} eq "blob") {
                print "<td class=\"list\">" .
                        $cgi->a({-href => href(action=>"blob", hash=>$t->{'hash'},

-                                              file_name=>"$basedir$t->{'name'}", %base_key),
-                                -class => "list"}, esc_html($t->{'name'})) . "</td>\n";
+                                              file_name=>"$basedir$t->{'name'}", %base_key),
+                               -class => "list"}, esc_path($t->{'name'}));
+               if (S_ISLNK(oct $t->{'mode'})) {
+                       my $link_target = git_get_link_target($t->{'hash'});
+                       if ($link_target) {
+                               my $norm_target = normalize_link_target($link_target, $basedir, $hash_base);
+                               if (defined $norm_target) {
+                                       print " -> " .
+                                             $cgi->a({-href => href(action=>"object", hash_base=>$hash_base,
+                                                                    file_name=>$norm_target),
+                                                      -title => $norm_target}, esc_path($link_target));
+                               } else {
+                                       print " -> " . esc_path($link_target);
+                               }
+                       }
+               }
+               print "</td>\n";

                print "<td class=\"link\">";
                print "<td class=\"link\">";

+               print $cgi->a({-href => href(action=>"blob", hash=>$t->{'hash'},
+                                            file_name=>"$basedir$t->{'name'}", %base_key)},
+                             "blob");

                if ($have_blame) {
                if ($have_blame) {

-                       print $cgi->a({-href => href(action=>"blame", hash=>$t->{'hash'},
-                                                    file_name=>"$basedir$t->{'name'}", %base_key)},
-                                     "blame");
+                       print " | " .
+                             $cgi->a({-href => href(action=>"blame", hash=>$t->{'hash'},
+                                                    file_name=>"$basedir$t->{'name'}", %base_key)},
+                                     "blame");

                }
                if (defined $hash_base) {
                }
                if (defined $hash_base) {

-                       if ($have_blame) {
-                               print " | ";
-                       }
-                       print $cgi->a({-href => href(action=>"history", hash_base=>$hash_base,
+                       print " | " .
+                             $cgi->a({-href => href(action=>"history", hash_base=>$hash_base,

                                                     hash=>$t->{'hash'}, file_name=>"$basedir$t->{'name'}")},
                                      "history");
                }
                print " | " .
                        $cgi->a({-href => href(action=>"blob_plain", hash_base=>$hash_base,
                                                     hash=>$t->{'hash'}, file_name=>"$basedir$t->{'name'}")},
                                      "history");
                }
                print " | " .
                        $cgi->a({-href => href(action=>"blob_plain", hash_base=>$hash_base,

-                                              file_name=>"$basedir$t->{'name'}")},
-                               "raw");
+                                              file_name=>"$basedir$t->{'name'}")},
+                               "raw");

                print "</td>\n";
 
        } elsif ($t->{'type'} eq "tree") {
                print "<td class=\"list\">";
                print $cgi->a({-href => href(action=>"tree", hash=>$t->{'hash'},
                                             file_name=>"$basedir$t->{'name'}", %base_key)},
                print "</td>\n";
 
        } elsif ($t->{'type'} eq "tree") {
                print "<td class=\"list\">";
                print $cgi->a({-href => href(action=>"tree", hash=>$t->{'hash'},
                                             file_name=>"$basedir$t->{'name'}", %base_key)},

-                             esc_html($t->{'name'}));
+                             esc_path($t->{'name'}));

                print "</td>\n";
                print "<td class=\"link\">";
                print "</td>\n";
                print "<td class=\"link\">";

+               print $cgi->a({-href => href(action=>"tree", hash=>$t->{'hash'},
+                                            file_name=>"$basedir$t->{'name'}", %base_key)},
+                             "tree");

                if (defined $hash_base) {
                if (defined $hash_base) {

-                       print $cgi->a({-href => href(action=>"history", hash_base=>$hash_base,
+                       print " | " .
+                             $cgi->a({-href => href(action=>"history", hash_base=>$hash_base,

                                                     file_name=>"$basedir$t->{'name'}")},
                                      "history");
                }
                                                     file_name=>"$basedir$t->{'name'}")},
                                      "history");
                }


@@ -1768,7 +2200,7 @@ sub git_print_tree_entry {
 
 sub git_difftree_body {
        my ($difftree, $hash, $parent) = @_;
 
 sub git_difftree_body {
        my ($difftree, $hash, $parent) = @_;

-
+       my ($have_blame) = gitweb_check_feature('blame');

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


@@ -1812,7 +2244,7 @@ sub git_difftree_body {
                        print "<td>";
                        print $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
                                                     hash_base=>$hash, file_name=>$diff{'file'}),
                        print "<td>";
                        print $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
                                                     hash_base=>$hash, file_name=>$diff{'file'}),

-                                      -class => "list"}, esc_html($diff{'file'}));
+                                     -class => "list"}, esc_path($diff{'file'}));

                        print "</td>\n";
                        print "<td>$mode_chng</td>\n";
                        print "<td class=\"link\">";
                        print "</td>\n";
                        print "<td>$mode_chng</td>\n";
                        print "<td class=\"link\">";


@@ -1820,7 +2252,11 @@ sub git_difftree_body {
                                # link to patch
                                $patchno++;
                                print $cgi->a({-href => "#patch$patchno"}, "patch");
                                # link to patch
                                $patchno++;
                                print $cgi->a({-href => "#patch$patchno"}, "patch");

+                               print " | ";

                        }
                        }

+                       print $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
+                                                    hash_base=>$hash, file_name=>$diff{'file'})},
+                                     "blob") . " | ";

                        print "</td>\n";
 
                } elsif ($diff{'status'} eq "D") { # deleted
                        print "</td>\n";
 
                } elsif ($diff{'status'} eq "D") { # deleted


@@ -1828,7 +2264,7 @@ sub git_difftree_body {
                        print "<td>";
                        print $cgi->a({-href => href(action=>"blob", hash=>$diff{'from_id'},
                                                     hash_base=>$parent, file_name=>$diff{'file'}),
                        print "<td>";
                        print $cgi->a({-href => href(action=>"blob", hash=>$diff{'from_id'},
                                                     hash_base=>$parent, file_name=>$diff{'file'}),

-                                      -class => "list"}, esc_html($diff{'file'}));
+                                      -class => "list"}, esc_path($diff{'file'}));

                        print "</td>\n";
                        print "<td>$mode_chng</td>\n";
                        print "<td class=\"link\">";
                        print "</td>\n";
                        print "<td>$mode_chng</td>\n";
                        print "<td class=\"link\">";


@@ -1838,12 +2274,17 @@ sub git_difftree_body {
                                print $cgi->a({-href => "#patch$patchno"}, "patch");
                                print " | ";
                        }
                                print $cgi->a({-href => "#patch$patchno"}, "patch");
                                print " | ";
                        }

-                       print $cgi->a({-href => href(action=>"blame", hash_base=>$parent,
-                                                    file_name=>$diff{'file'})},
-                                     "blame") . " | ";
+                       print $cgi->a({-href => href(action=>"blob", hash=>$diff{'from_id'},
+                                                    hash_base=>$parent, file_name=>$diff{'file'})},
+                                     "blob") . " | ";
+                       if ($have_blame) {
+                               print $cgi->a({-href => href(action=>"blame", hash_base=>$parent,
+                                                            file_name=>$diff{'file'})},
+                                             "blame") . " | ";
+                       }

                        print $cgi->a({-href => href(action=>"history", hash_base=>$parent,
                        print $cgi->a({-href => href(action=>"history", hash_base=>$parent,

-                                                    file_name=>$diff{'file'})},
-                                     "history");
+                                                    file_name=>$diff{'file'})},
+                                     "history");

                        print "</td>\n";
 
                } elsif ($diff{'status'} eq "M" || $diff{'status'} eq "T") { # modified, or type changed
                        print "</td>\n";
 
                } elsif ($diff{'status'} eq "M" || $diff{'status'} eq "T") { # modified, or type changed


@@ -1864,31 +2305,36 @@ sub git_difftree_body {
                        }
                        print "<td>";
                        print $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
                        }
                        print "<td>";
                        print $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},

-                                                    hash_base=>$hash, file_name=>$diff{'file'}),
-                                      -class => "list"}, esc_html($diff{'file'}));
+                                                    hash_base=>$hash, file_name=>$diff{'file'}),
+                                     -class => "list"}, esc_path($diff{'file'}));

                        print "</td>\n";
                        print "<td>$mode_chnge</td>\n";
                        print "<td class=\"link\">";
                        print "</td>\n";
                        print "<td>$mode_chnge</td>\n";
                        print "<td class=\"link\">";

-                       if ($diff{'to_id'} ne $diff{'from_id'}) { # modified
-                               if ($action eq 'commitdiff') {
-                                       # link to patch
-                                       $patchno++;
-                                       print $cgi->a({-href => "#patch$patchno"}, "patch");
-                               } else {
-                                       print $cgi->a({-href => href(action=>"blobdiff",
-                                                                    hash=>$diff{'to_id'}, hash_parent=>$diff{'from_id'},
-                                                                    hash_base=>$hash, hash_parent_base=>$parent,
-                                                                    file_name=>$diff{'file'})},
-                                                     "diff");
-                               }
-                               print " | ";
+                       if ($action eq 'commitdiff') {
+                               # link to patch
+                               $patchno++;
+                               print $cgi->a({-href => "#patch$patchno"}, "patch") .
+                                     " | ";
+                       } elsif ($diff{'to_id'} ne $diff{'from_id'}) {
+                               # "commit" view and modified file (not onlu mode changed)
+                               print $cgi->a({-href => href(action=>"blobdiff",
+                                                            hash=>$diff{'to_id'}, hash_parent=>$diff{'from_id'},
+                                                            hash_base=>$hash, hash_parent_base=>$parent,
+                                                            file_name=>$diff{'file'})},
+                                             "diff") .
+                                     " | ";
+                       }
+                       print $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
+                                                    hash_base=>$hash, file_name=>$diff{'file'})},
+                                      "blob") . " | ";
+                       if ($have_blame) {
+                               print $cgi->a({-href => href(action=>"blame", hash_base=>$hash,
+                                                            file_name=>$diff{'file'})},
+                                             "blame") . " | ";

                        }
                        }

-                       print $cgi->a({-href => href(action=>"blame", hash_base=>$hash,
-                                                    file_name=>$diff{'file'})},
-                                     "blame") . " | ";

                        print $cgi->a({-href => href(action=>"history", hash_base=>$hash,
                        print $cgi->a({-href => href(action=>"history", hash_base=>$hash,

-                                                    file_name=>$diff{'file'})},
-                                     "history");
+                                                    file_name=>$diff{'file'})},
+                                     "history");

                        print "</td>\n";
 
                } elsif ($diff{'status'} eq "R" || $diff{'status'} eq "C") { # renamed or copied
                        print "</td>\n";
 
                } elsif ($diff{'status'} eq "R" || $diff{'status'} eq "C") { # renamed or copied


@@ -1902,33 +2348,38 @@ sub git_difftree_body {
                        print "<td>" .
                              $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
                                                     hash=>$diff{'to_id'}, file_name=>$diff{'to_file'}),
                        print "<td>" .
                              $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
                                                     hash=>$diff{'to_id'}, file_name=>$diff{'to_file'}),

-                                     -class => "list"}, esc_html($diff{'to_file'})) . "</td>\n" .
+                                     -class => "list"}, esc_path($diff{'to_file'})) . "</td>\n" .

                              "<td><span class=\"file_status $nstatus\">[$nstatus from " .
                              $cgi->a({-href => href(action=>"blob", hash_base=>$parent,
                                                     hash=>$diff{'from_id'}, file_name=>$diff{'from_file'}),
                              "<td><span class=\"file_status $nstatus\">[$nstatus from " .
                              $cgi->a({-href => href(action=>"blob", hash_base=>$parent,
                                                     hash=>$diff{'from_id'}, file_name=>$diff{'from_file'}),

-                                     -class => "list"}, esc_html($diff{'from_file'})) .
+                                     -class => "list"}, esc_path($diff{'from_file'})) .

                              " with " . (int $diff{'similarity'}) . "% similarity$mode_chng]</span></td>\n" .
                              "<td class=\"link\">";
                              " with " . (int $diff{'similarity'}) . "% similarity$mode_chng]</span></td>\n" .
                              "<td class=\"link\">";

-                       if ($diff{'to_id'} ne $diff{'from_id'}) {
-                               if ($action eq 'commitdiff') {
-                                       # link to patch
-                                       $patchno++;
-                                       print $cgi->a({-href => "#patch$patchno"}, "patch");
-                               } else {
-                                       print $cgi->a({-href => href(action=>"blobdiff",
-                                                                    hash=>$diff{'to_id'}, hash_parent=>$diff{'from_id'},
-                                                                    hash_base=>$hash, hash_parent_base=>$parent,
-                                                                    file_name=>$diff{'to_file'}, file_parent=>$diff{'from_file'})},
-                                                     "diff");
-                               }
-                               print " | ";
+                       if ($action eq 'commitdiff') {
+                               # link to patch
+                               $patchno++;
+                               print $cgi->a({-href => "#patch$patchno"}, "patch") .
+                                     " | ";
+                       } elsif ($diff{'to_id'} ne $diff{'from_id'}) {
+                               # "commit" view and modified file (not only pure rename or copy)
+                               print $cgi->a({-href => href(action=>"blobdiff",
+                                                            hash=>$diff{'to_id'}, hash_parent=>$diff{'from_id'},
+                                                            hash_base=>$hash, hash_parent_base=>$parent,
+                                                            file_name=>$diff{'to_file'}, file_parent=>$diff{'from_file'})},
+                                             "diff") .
+                                     " | ";

                        }
                        }

-                       print $cgi->a({-href => href(action=>"blame", hash_base=>$parent,
-                                                    file_name=>$diff{'from_file'})},
-                                     "blame") . " | ";
-                       print $cgi->a({-href => href(action=>"history", hash_base=>$parent,
-                                                    file_name=>$diff{'from_file'})},
-                                     "history");
+                       print $cgi->a({-href => href(action=>"blob", hash=>$diff{'to_id'},
+                                                    hash_base=>$parent, file_name=>$diff{'to_file'})},
+                                     "blob") . " | ";
+                       if ($have_blame) {
+                               print $cgi->a({-href => href(action=>"blame", hash_base=>$hash,
+                                                            file_name=>$diff{'to_file'})},
+                                             "blame") . " | ";
+                       }
+                       print $cgi->a({-href => href(action=>"history", hash_base=>$hash,
+                                                   file_name=>$diff{'to_file'})},
+                                     "history");

                        print "</td>\n";
 
                } # we should not encounter Unmerged (U) or Unknown (X) status
                        print "</td>\n";
 
                } # we should not encounter Unmerged (U) or Unknown (X) status


@@ -1941,143 +2392,334 @@ sub git_patchset_body {
        my ($fd, $difftree, $hash, $hash_parent) = @_;
 
        my $patch_idx = 0;
        my ($fd, $difftree, $hash, $hash_parent) = @_;
 
        my $patch_idx = 0;

-       my $in_header = 0;
-       my $patch_found = 0;
+       my $patch_line;

        my $diffinfo;
        my $diffinfo;

+       my (%from, %to);
+       my ($from_id, $to_id);

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

-       LINE:
-       while (my $patch_line = <$fd>) {
+       # skip to first patch
+       while ($patch_line = <$fd>) {

                chomp $patch_line;
 
                chomp $patch_line;
 

-               if ($patch_line =~ m/^diff /) { # "git diff" header
-                       # beginning of patch (in patchset)
-                       if ($patch_found) {
-                               # close previous patch
-                               print "</div>\n"; # class="patch"
-                       } else {
-                               # first patch in patchset
-                               $patch_found = 1;
+               last if ($patch_line =~ m/^diff /);
+       }
+
+ PATCH:
+       while ($patch_line) {
+               my @diff_header;
+
+               # git diff header
+               #assert($patch_line =~ m/^diff /) if DEBUG;
+               #assert($patch_line !~ m!$/$!) if DEBUG; # is chomp-ed
+               push @diff_header, $patch_line;
+
+               # extended diff header
+       EXTENDED_HEADER:
+               while ($patch_line = <$fd>) {
+                       chomp $patch_line;
+
+                       last EXTENDED_HEADER if ($patch_line =~ m/^--- /);
+
+                       if ($patch_line =~ m/^index ([0-9a-fA-F]{40})..([0-9a-fA-F]{40})/) {
+                               $from_id = $1;
+                               $to_id   = $2;

                        }
                        }

-                       print "<div class=\"patch\" id=\"patch". ($patch_idx+1) ."\">\n";

 
 

+                       push @diff_header, $patch_line;
+               }
+               #last PATCH unless $patch_line;
+               my $last_patch_line = $patch_line;
+
+               # check if current patch belong to current raw line
+               # and parse raw git-diff line if needed
+               if (defined $diffinfo &&
+                   $diffinfo->{'from_id'} eq $from_id &&
+                   $diffinfo->{'to_id'}   eq $to_id) {
+                       # this is split patch
+                       print "<div class=\"patch cont\">\n";
+               } else {
+                       # advance raw git-diff output if needed
+                       $patch_idx++ if defined $diffinfo;
+
+                       # read and prepare patch information

                        if (ref($difftree->[$patch_idx]) eq "HASH") {
                        if (ref($difftree->[$patch_idx]) eq "HASH") {

+                               # pre-parsed (or generated by hand)

                                $diffinfo = $difftree->[$patch_idx];
                        } else {
                                $diffinfo = parse_difftree_raw_line($difftree->[$patch_idx]);
                        }
                                $diffinfo = $difftree->[$patch_idx];
                        } else {
                                $diffinfo = parse_difftree_raw_line($difftree->[$patch_idx]);
                        }

-                       $patch_idx++;
-
-                       # for now, no extended header, hence we skip empty patches
-                       # companion to  next LINE if $in_header;
-                       if ($diffinfo->{'from_id'} eq $diffinfo->{'to_id'}) { # no change
-                               $in_header = 1;
-                               next LINE;
+                       $from{'file'} = $diffinfo->{'from_file'} || $diffinfo->{'file'};
+                       $to{'file'}   = $diffinfo->{'to_file'}   || $diffinfo->{'file'};
+                       if ($diffinfo->{'status'} ne "A") { # not new (added) file
+                               $from{'href'} = href(action=>"blob", hash_base=>$hash_parent,
+                                                    hash=>$diffinfo->{'from_id'},
+                                                    file_name=>$from{'file'});

                        }
                        }

-
-                       if ($diffinfo->{'status'} eq "A") { # added
-                               print "<div class=\"diff_info\">" . file_type($diffinfo->{'to_mode'}) . ":" .
-                                     $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
-                                                            hash=>$diffinfo->{'to_id'}, file_name=>$diffinfo->{'file'})},
-                                             $diffinfo->{'to_id'}) . "(new)" .
-                                     "</div>\n"; # class="diff_info"
-
-                       } elsif ($diffinfo->{'status'} eq "D") { # deleted
-                               print "<div class=\"diff_info\">" . file_type($diffinfo->{'from_mode'}) . ":" .
-                                     $cgi->a({-href => href(action=>"blob", hash_base=>$hash_parent,
-                                                            hash=>$diffinfo->{'from_id'}, file_name=>$diffinfo->{'file'})},
-                                             $diffinfo->{'from_id'}) . "(deleted)" .
-                                     "</div>\n"; # class="diff_info"
-
-                       } elsif ($diffinfo->{'status'} eq "R" || # renamed
-                                $diffinfo->{'status'} eq "C" || # copied
-                                $diffinfo->{'status'} eq "2") { # with two filenames (from git_blobdiff)
-                               print "<div class=\"diff_info\">" .
-                                     file_type($diffinfo->{'from_mode'}) . ":" .
-                                     $cgi->a({-href => href(action=>"blob", hash_base=>$hash_parent,
-                                                            hash=>$diffinfo->{'from_id'}, file_name=>$diffinfo->{'from_file'})},
-                                             $diffinfo->{'from_id'}) .
-                                     " -> " .
-                                     file_type($diffinfo->{'to_mode'}) . ":" .
-                                     $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
-                                                            hash=>$diffinfo->{'to_id'}, file_name=>$diffinfo->{'to_file'})},
-                                             $diffinfo->{'to_id'});
-                               print "</div>\n"; # class="diff_info"
-
-                       } else { # modified, mode changed, ...
-                               print "<div class=\"diff_info\">" .
-                                     file_type($diffinfo->{'from_mode'}) . ":" .
-                                     $cgi->a({-href => href(action=>"blob", hash_base=>$hash_parent,
-                                                            hash=>$diffinfo->{'from_id'}, file_name=>$diffinfo->{'file'})},
-                                             $diffinfo->{'from_id'}) .
-                                     " -> " .
-                                     file_type($diffinfo->{'to_mode'}) . ":" .
-                                     $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
-                                                            hash=>$diffinfo->{'to_id'}, file_name=>$diffinfo->{'file'})},
-                                             $diffinfo->{'to_id'});
-                               print "</div>\n"; # class="diff_info"
+                       if ($diffinfo->{'status'} ne "D") { # not deleted file
+                               $to{'href'} = href(action=>"blob", hash_base=>$hash,
+                                                  hash=>$diffinfo->{'to_id'},
+                                                  file_name=>$to{'file'});

                        }
                        }

+                       # this is first patch for raw difftree line with $patch_idx index
+                       # we index @$difftree array from 0, but number patches from 1
+                       print "<div class=\"patch\" id=\"patch". ($patch_idx+1) ."\">\n";
+               }

 
 

-                       #print "<div class=\"diff extended_header\">\n";
-                       $in_header = 1;
-                       next LINE;
-               } # start of patch in patchset
-
+               # print "git diff" header
+               $patch_line = shift @diff_header;
+               $patch_line =~ s!^(diff (.*?) )"?a/.*$!$1!;
+               if ($from{'href'}) {
+                       $patch_line .= $cgi->a({-href => $from{'href'}, -class => "path"},
+                                              'a/' . esc_path($from{'file'}));
+               } else { # file was added
+                       $patch_line .= 'a/' . esc_path($from{'file'});
+               }
+               $patch_line .= ' ';
+               if ($to{'href'}) {
+                       $patch_line .= $cgi->a({-href => $to{'href'}, -class => "path"},
+                                              'b/' . esc_path($to{'file'}));
+               } else { # file was deleted
+                       $patch_line .= 'b/' . esc_path($to{'file'});
+               }
+               print "<div class=\"diff header\">$patch_line</div>\n";
+
+               # print extended diff header
+               print "<div class=\"diff extended_header\">\n" if (@diff_header > 0);
+       EXTENDED_HEADER:
+               foreach $patch_line (@diff_header) {
+                       # match <path>
+                       if ($patch_line =~ s!^((copy|rename) from ).*$!$1! && $from{'href'}) {
+                               $patch_line .= $cgi->a({-href=>$from{'href'}, -class=>"path"},
+                                                       esc_path($from{'file'}));
+                       }
+                       if ($patch_line =~ s!^((copy|rename) to ).*$!$1! && $to{'href'}) {
+                               $patch_line = $cgi->a({-href=>$to{'href'}, -class=>"path"},
+                                                     esc_path($to{'file'}));
+                       }
+                       # match <mode>
+                       if ($patch_line =~ m/\s(\d{6})$/) {
+                               $patch_line .= '<span class="info"> (' .
+                                              file_type_long($1) .
+                                              ')</span>';
+                       }
+                       # match <hash>
+                       if ($patch_line =~ m/^index/) {
+                               my ($from_link, $to_link);
+                               if ($from{'href'}) {
+                                       $from_link = $cgi->a({-href=>$from{'href'}, -class=>"hash"},
+                                                            substr($diffinfo->{'from_id'},0,7));
+                               } else {
+                                       $from_link = '0' x 7;
+                               }
+                               if ($to{'href'}) {
+                                       $to_link = $cgi->a({-href=>$to{'href'}, -class=>"hash"},
+                                                          substr($diffinfo->{'to_id'},0,7));
+                               } else {
+                                       $to_link = '0' x 7;
+                               }
+                               #affirm {
+                               #       my ($from_hash, $to_hash) =
+                               #               ($patch_line =~ m/^index ([0-9a-fA-F]{40})..([0-9a-fA-F]{40})/);
+                               #       my ($from_id, $to_id) =
+                               #               ($diffinfo->{'from_id'}, $diffinfo->{'to_id'});
+                               #       ($from_hash eq $from_id) && ($to_hash eq $to_id);
+                               #} if DEBUG;
+                               my ($from_id, $to_id) = ($diffinfo->{'from_id'}, $diffinfo->{'to_id'});
+                               $patch_line =~ s!$from_id\.\.$to_id!$from_link..$to_link!;
+                       }
+                       print $patch_line . "<br/>\n";
+               }
+               print "</div>\n"  if (@diff_header > 0); # class="diff extended_header"
+
+               # from-file/to-file diff header
+               $patch_line = $last_patch_line;
+               #assert($patch_line =~ m/^---/) if DEBUG;
+               if ($from{'href'}) {
+                       $patch_line = '--- a/' .
+                                     $cgi->a({-href=>$from{'href'}, -class=>"path"},
+                                             esc_path($from{'file'}));
+               }
+               print "<div class=\"diff from_file\">$patch_line</div>\n";

 
 

-               if ($in_header && $patch_line =~ m/^---/) {
-                       #print "</div>\n"; # class="diff extended_header"
-                       $in_header = 0;
+               $patch_line = <$fd>;
+               #last PATCH unless $patch_line;
+               chomp $patch_line;

 
 

-                       my $file = $diffinfo->{'from_file'};
-                       $file  ||= $diffinfo->{'file'};
-                       $file = $cgi->a({-href => href(action=>"blob", hash_base=>$hash_parent,
-                                                      hash=>$diffinfo->{'from_id'}, file_name=>$file),
-                                       -class => "list"}, esc_html($file));
-                       $patch_line =~ s|a/.*$|a/$file|g;
-                       print "<div class=\"diff from_file\">$patch_line</div>\n";
+               #assert($patch_line =~ m/^+++/) if DEBUG;
+               if ($to{'href'}) {
+                       $patch_line = '+++ b/' .
+                                     $cgi->a({-href=>$to{'href'}, -class=>"path"},
+                                             esc_path($to{'file'}));
+               }
+               print "<div class=\"diff to_file\">$patch_line</div>\n";

 
 

-                       $patch_line = <$fd>;
+               # the patch itself
+       LINE:
+               while ($patch_line = <$fd>) {

                        chomp $patch_line;
 
                        chomp $patch_line;
 

-                       #$patch_line =~ m/^+++/;
-                       $file    = $diffinfo->{'to_file'};
-                       $file  ||= $diffinfo->{'file'};
-                       $file = $cgi->a({-href => href(action=>"blob", hash_base=>$hash,
-                                                      hash=>$diffinfo->{'to_id'}, file_name=>$file),
-                                       -class => "list"}, esc_html($file));
-                       $patch_line =~ s|b/.*|b/$file|g;
-                       print "<div class=\"diff to_file\">$patch_line</div>\n";
+                       next PATCH if ($patch_line =~ m/^diff /);

 
 

-                       next LINE;
+                       print format_diff_line($patch_line, \%from, \%to);

                }
                }

-               next LINE if $in_header;

 
 

-               print format_diff_line($patch_line);
+       } continue {
+               print "</div>\n"; # class="patch"

        }
        }

-       print "</div>\n" if $patch_found; # class="patch"

 
        print "</div>\n"; # class="patchset"
 }
 
 # . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
 
 
        print "</div>\n"; # class="patchset"
 }
 
 # . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
 

-sub git_shortlog_body {
-       # uses global variable $project
-       my ($revlist, $from, $to, $refs, $extra) = @_;
+sub git_project_list_body {
+       my ($projlist, $order, $from, $to, $extra, $no_header) = @_;

 
 

-       $from = 0 unless defined $from;
-       $to = $#{$revlist} if (!defined $to || $#{$revlist} < $to);
+       my ($check_forks) = gitweb_check_feature('forks');

 
 

-       print "<table class=\"shortlog\" cellspacing=\"0\">\n";
-       my $alternate = 1;
-       for (my $i = $from; $i <= $to; $i++) {
-               my $commit = $revlist->[$i];
-               #my $ref = defined $refs ? format_ref_marker($refs, $commit) : '';
-               my $ref = format_ref_marker($refs, $commit);
-               my %co = parse_commit($commit);
-               if ($alternate) {
-                       print "<tr class=\"dark\">\n";
+       my @projects;
+       foreach my $pr (@$projlist) {
+               my (@aa) = git_get_last_activity($pr->{'path'});
+               unless (@aa) {
+                       next;
+               }
+               ($pr->{'age'}, $pr->{'age_string'}) = @aa;
+               if (!defined $pr->{'descr'}) {
+                       my $descr = git_get_project_description($pr->{'path'}) || "";
+                       $pr->{'descr_long'} = to_utf8($descr);
+                       $pr->{'descr'} = chop_str($descr, 25, 5);
+               }
+               if (!defined $pr->{'owner'}) {
+                       $pr->{'owner'} = get_file_owner("$projectroot/$pr->{'path'}") || "";
+               }
+               if ($check_forks) {
+                       my $pname = $pr->{'path'};
+                       if (($pname =~ s/\.git$//) &&
+                           ($pname !~ /\/$/) &&
+                           (-d "$projectroot/$pname")) {
+                               $pr->{'forks'} = "-d $projectroot/$pname";
+                       }
+                       else {
+                               $pr->{'forks'} = 0;
+                       }
+               }
+               push @projects, $pr;
+       }
+
+       $order ||= "project";
+       $from = 0 unless defined $from;
+       $to = $#projects if (!defined $to || $#projects < $to);
+
+       print "<table class=\"project_list\">\n";
+       unless ($no_header) {
+               print "<tr>\n";
+               if ($check_forks) {
+                       print "<th></th>\n";
+               }
+               if ($order eq "project") {
+                       @projects = sort {$a->{'path'} cmp $b->{'path'}} @projects;
+                       print "<th>Project</th>\n";
+               } else {
+                       print "<th>" .
+                             $cgi->a({-href => href(project=>undef, order=>'project'),
+                                      -class => "header"}, "Project") .
+                             "</th>\n";
+               }
+               if ($order eq "descr") {
+                       @projects = sort {$a->{'descr'} cmp $b->{'descr'}} @projects;
+                       print "<th>Description</th>\n";
+               } else {
+                       print "<th>" .
+                             $cgi->a({-href => href(project=>undef, order=>'descr'),
+                                      -class => "header"}, "Description") .
+                             "</th>\n";
+               }
+               if ($order eq "owner") {
+                       @projects = sort {$a->{'owner'} cmp $b->{'owner'}} @projects;
+                       print "<th>Owner</th>\n";
+               } else {
+                       print "<th>" .
+                             $cgi->a({-href => href(project=>undef, order=>'owner'),
+                                      -class => "header"}, "Owner") .
+                             "</th>\n";
+               }
+               if ($order eq "age") {
+                       @projects = sort {$a->{'age'} <=> $b->{'age'}} @projects;
+                       print "<th>Last Change</th>\n";
+               } else {
+                       print "<th>" .
+                             $cgi->a({-href => href(project=>undef, order=>'age'),
+                                      -class => "header"}, "Last Change") .
+                             "</th>\n";
+               }
+               print "<th></th>\n" .
+                     "</tr>\n";
+       }
+       my $alternate = 1;
+       for (my $i = $from; $i <= $to; $i++) {
+               my $pr = $projects[$i];
+               if ($alternate) {
+                       print "<tr class=\"dark\">\n";
+               } else {
+                       print "<tr class=\"light\">\n";
+               }
+               $alternate ^= 1;
+               if ($check_forks) {
+                       print "<td>";
+                       if ($pr->{'forks'}) {
+                               print "<!-- $pr->{'forks'} -->\n";
+                               print $cgi->a({-href => href(project=>$pr->{'path'}, action=>"forks")}, "+");
+                       }
+                       print "</td>\n";
+               }
+               print "<td>" . $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary"),
+                                       -class => "list"}, esc_html($pr->{'path'})) . "</td>\n" .
+                     "<td>" . $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary"),
+                                       -class => "list", -title => $pr->{'descr_long'}},
+                                       esc_html($pr->{'descr'})) . "</td>\n" .
+                     "<td><i>" . chop_str($pr->{'owner'}, 15) . "</i></td>\n";
+               print "<td class=\"". age_class($pr->{'age'}) . "\">" .
+                     $pr->{'age_string'} . "</td>\n" .
+                     "<td class=\"link\">" .
+                     $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary")}, "summary")   . " | " .
+                     $cgi->a({-href => href(project=>$pr->{'path'}, action=>"shortlog")}, "shortlog") . " | " .
+                     $cgi->a({-href => href(project=>$pr->{'path'}, action=>"log")}, "log") . " | " .
+                     $cgi->a({-href => href(project=>$pr->{'path'}, action=>"tree")}, "tree") .
+                     ($pr->{'forks'} ? " | " . $cgi->a({-href => href(project=>$pr->{'path'}, action=>"forks")}, "forks") : '') .
+                     "</td>\n" .
+                     "</tr>\n";
+       }
+       if (defined $extra) {
+               print "<tr>\n";
+               if ($check_forks) {
+                       print "<td></td>\n";
+               }
+               print "<td colspan=\"5\">$extra</td>\n" .
+                     "</tr>\n";
+       }
+       print "</table>\n";
+}
+
+sub git_shortlog_body {
+       # uses global variable $project
+       my ($revlist, $from, $to, $refs, $extra) = @_;
+
+       my $have_snapshot = gitweb_have_snapshot();
+
+       $from = 0 unless defined $from;
+       $to = $#{$revlist} if (!defined $to || $#{$revlist} < $to);
+
+       print "<table class=\"shortlog\" cellspacing=\"0\">\n";
+       my $alternate = 1;
+       for (my $i = $from; $i <= $to; $i++) {
+               my $commit = $revlist->[$i];
+               #my $ref = defined $refs ? format_ref_marker($refs, $commit) : '';
+               my $ref = format_ref_marker($refs, $commit);
+               my %co = parse_commit($commit);
+               if ($alternate) {
+                       print "<tr class=\"dark\">\n";

                } else {
                        print "<tr class=\"light\">\n";
                }
                } else {
                        print "<tr class=\"light\">\n";
                }


@@ -2090,9 +2732,12 @@ sub git_shortlog_body {
                                          href(action=>"commit", hash=>$commit), $ref);
                print "</td>\n" .
                      "<td class=\"link\">" .
                                          href(action=>"commit", hash=>$commit), $ref);
                print "</td>\n" .
                      "<td class=\"link\">" .

+                     $cgi->a({-href => href(action=>"commit", hash=>$commit)}, "commit") . " | " .

                      $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff") . " | " .
                      $cgi->a({-href => href(action=>"commitdiff", hash=>$commit)}, "commitdiff") . " | " .

-                     $cgi->a({-href => href(action=>"tree", hash=>$commit, hash_base=>$commit)}, "tree") . " | " .
-                     $cgi->a({-href => href(action=>"snapshot", hash=>$commit)}, "snapshot");
+                     $cgi->a({-href => href(action=>"tree", hash=>$commit, hash_base=>$commit)}, "tree");
+               if ($have_snapshot) {
+                       print " | " . $cgi->a({-href => href(action=>"snapshot", hash=>$commit)}, "snapshot");
+               }

                print "</td>\n" .
                      "</tr>\n";
        }
                print "</td>\n" .
                      "</tr>\n";
        }


@@ -2179,8 +2824,7 @@ sub git_tags_body {
        for (my $i = $from; $i <= $to; $i++) {
                my $entry = $taglist->[$i];
                my %tag = %$entry;
        for (my $i = $from; $i <= $to; $i++) {
                my $entry = $taglist->[$i];
                my %tag = %$entry;

-               my $comment_lines = $tag{'comment'};
-               my $comment = shift @$comment_lines;
+               my $comment = $tag{'subject'};

                my $comment_short;
                if (defined $comment) {
                        $comment_short = chop_str($comment, 30, 5);
                my $comment_short;
                if (defined $comment) {
                        $comment_short = chop_str($comment, 30, 5);


@@ -2213,7 +2857,7 @@ sub git_tags_body {
                      $cgi->a({-href => href(action=>$tag{'reftype'}, hash=>$tag{'refid'})}, $tag{'reftype'});
                if ($tag{'reftype'} eq "commit") {
                        print " | " . $cgi->a({-href => href(action=>"shortlog", hash=>$tag{'name'})}, "shortlog") .
                      $cgi->a({-href => href(action=>$tag{'reftype'}, hash=>$tag{'refid'})}, $tag{'reftype'});
                if ($tag{'reftype'} eq "commit") {
                        print " | " . $cgi->a({-href => href(action=>"shortlog", hash=>$tag{'name'})}, "shortlog") .

-                             " | " . $cgi->a({-href => href(action=>"log", hash=>$tag{'refid'})}, "log");
+                             " | " . $cgi->a({-href => href(action=>"log", hash=>$tag{'name'})}, "log");

                } elsif ($tag{'reftype'} eq "blob") {
                        print " | " . $cgi->a({-href => href(action=>"blob_plain", hash=>$tag{'refid'})}, "raw");
                }
                } elsif ($tag{'reftype'} eq "blob") {
                        print " | " . $cgi->a({-href => href(action=>"blob_plain", hash=>$tag{'refid'})}, "raw");
                }


@@ -2238,23 +2882,23 @@ sub git_heads_body {
        my $alternate = 1;
        for (my $i = $from; $i <= $to; $i++) {
                my $entry = $headlist->[$i];
        my $alternate = 1;
        for (my $i = $from; $i <= $to; $i++) {
                my $entry = $headlist->[$i];

-               my %tag = %$entry;
-               my $curr = $tag{'id'} eq $head;
+               my %ref = %$entry;
+               my $curr = $ref{'id'} eq $head;

                if ($alternate) {
                        print "<tr class=\"dark\">\n";
                } else {
                        print "<tr class=\"light\">\n";
                }
                $alternate ^= 1;
                if ($alternate) {
                        print "<tr class=\"dark\">\n";
                } else {
                        print "<tr class=\"light\">\n";
                }
                $alternate ^= 1;

-               print "<td><i>$tag{'age'}</i></td>\n" .
-                     ($tag{'id'} eq $head ? "<td class=\"current_head\">" : "<td>") .
-                     $cgi->a({-href => href(action=>"shortlog", hash=>$tag{'name'}),
-                              -class => "list name"},esc_html($tag{'name'})) .
+               print "<td><i>$ref{'age'}</i></td>\n" .
+                     ($curr ? "<td class=\"current_head\">" : "<td>") .
+                     $cgi->a({-href => href(action=>"shortlog", hash=>$ref{'name'}),
+                              -class => "list name"},esc_html($ref{'name'})) .

                      "</td>\n" .
                      "<td class=\"link\">" .
                      "</td>\n" .
                      "<td class=\"link\">" .

-                     $cgi->a({-href => href(action=>"shortlog", hash=>$tag{'name'})}, "shortlog") . " | " .
-                     $cgi->a({-href => href(action=>"log", hash=>$tag{'name'})}, "log") . " | " .
-                     $cgi->a({-href => href(action=>"tree", hash=>$tag{'name'}, hash_base=>$tag{'name'})}, "tree") .
+                     $cgi->a({-href => href(action=>"shortlog", hash=>$ref{'name'})}, "shortlog") . " | " .
+                     $cgi->a({-href => href(action=>"log", hash=>$ref{'name'})}, "log") . " | " .
+                     $cgi->a({-href => href(action=>"tree", hash=>$ref{'name'}, hash_base=>$ref{'name'})}, "tree") .

                      "</td>\n" .
                      "</tr>";
        }
                      "</td>\n" .
                      "</tr>";
        }


@@ -2266,6 +2910,58 @@ sub git_heads_body {
        print "</table>\n";
 }
 
        print "</table>\n";
 }
 

+sub git_search_grep_body {
+       my ($greplist, $from, $to, $extra) = @_;
+       $from = 0 unless defined $from;
+       $to = $#{$greplist} if (!defined $to || $#{$greplist} < $to);
+
+       print "<table class=\"grep\" cellspacing=\"0\">\n";
+       my $alternate = 1;
+       for (my $i = $from; $i <= $to; $i++) {
+               my $commit = $greplist->[$i];
+               my %co = parse_commit($commit);
+               if (!%co) {
+                       next;
+               }
+               if ($alternate) {
+                       print "<tr class=\"dark\">\n";
+               } else {
+                       print "<tr class=\"light\">\n";
+               }
+               $alternate ^= 1;
+               print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
+                     "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
+                     "<td>" .
+                     $cgi->a({-href => href(action=>"commit", hash=>$co{'id'}), -class => "list subject"},
+                              esc_html(chop_str($co{'title'}, 50)) . "<br/>");
+               my $comment = $co{'comment'};
+               foreach my $line (@$comment) {
+                       if ($line =~ m/^(.*)($searchtext)(.*)$/i) {
+                               my $lead = esc_html($1) || "";
+                               $lead = chop_str($lead, 30, 10);
+                               my $match = esc_html($2) || "";
+                               my $trail = esc_html($3) || "";
+                               $trail = chop_str($trail, 30, 10);
+                               my $text = "$lead<span class=\"match\">$match</span>$trail";
+                               print chop_str($text, 80, 5) . "<br/>\n";
+                       }
+               }
+               print "</td>\n" .
+                     "<td class=\"link\">" .
+                     $cgi->a({-href => href(action=>"commit", hash=>$co{'id'})}, "commit") .
+                     " | " .
+                     $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$co{'id'})}, "tree");
+               print "</td>\n" .
+                     "</tr>\n";
+       }
+       if (defined $extra) {
+               print "<tr>\n" .
+                     "<td colspan=\"3\">$extra</td>\n" .
+                     "</tr>\n";
+       }
+       print "</table>\n";
+}
+

 ## ======================================================================
 ## ======================================================================
 ## actions
 ## ======================================================================
 ## ======================================================================
 ## actions


@@ -2277,30 +2973,9 @@ sub git_project_list {
        }
 
        my @list = git_get_projects_list();
        }
 
        my @list = git_get_projects_list();

-       my @projects;

        if (!@list) {
                die_error(undef, "No projects found");
        }
        if (!@list) {
                die_error(undef, "No projects found");
        }

-       foreach my $pr (@list) {
-               my $head = git_get_head_hash($pr->{'path'});
-               if (!defined $head) {
-                       next;
-               }
-               $git_dir = "$projectroot/$pr->{'path'}";
-               my %co = parse_commit($head);
-               if (!%co) {
-                       next;
-               }
-               $pr->{'commit'} = \%co;
-               if (!defined $pr->{'descr'}) {
-                       my $descr = git_get_project_description($pr->{'path'}) || "";
-                       $pr->{'descr'} = chop_str($descr, 25, 5);
-               }
-               if (!defined $pr->{'owner'}) {
-                       $pr->{'owner'} = get_file_owner("$projectroot/$pr->{'path'}") || "";
-               }
-               push @projects, $pr;
-       }

 
        git_header_html();
        if (-f $home_text) {
 
        git_header_html();
        if (-f $home_text) {


@@ -2310,75 +2985,30 @@ sub git_project_list {
                close $fd;
                print "</div>\n";
        }
                close $fd;
                print "</div>\n";
        }

-       print "<table class=\"project_list\">\n" .
-             "<tr>\n";
-       $order ||= "project";
-       if ($order eq "project") {
-               @projects = sort {$a->{'path'} cmp $b->{'path'}} @projects;
-               print "<th>Project</th>\n";
-       } else {
-               print "<th>" .
-                     $cgi->a({-href => href(project=>undef, order=>'project'),
-                              -class => "header"}, "Project") .
-                     "</th>\n";
-       }
-       if ($order eq "descr") {
-               @projects = sort {$a->{'descr'} cmp $b->{'descr'}} @projects;
-               print "<th>Description</th>\n";
-       } else {
-               print "<th>" .
-                     $cgi->a({-href => href(project=>undef, order=>'descr'),
-                              -class => "header"}, "Description") .
-                     "</th>\n";
-       }
-       if ($order eq "owner") {
-               @projects = sort {$a->{'owner'} cmp $b->{'owner'}} @projects;
-               print "<th>Owner</th>\n";
-       } else {
-               print "<th>" .
-                     $cgi->a({-href => href(project=>undef, order=>'owner'),
-                              -class => "header"}, "Owner") .
-                     "</th>\n";
-       }
-       if ($order eq "age") {
-               @projects = sort {$a->{'commit'}{'age'} <=> $b->{'commit'}{'age'}} @projects;
-               print "<th>Last Change</th>\n";
-       } else {
-               print "<th>" .
-                     $cgi->a({-href => href(project=>undef, order=>'age'),
-                              -class => "header"}, "Last Change") .
-                     "</th>\n";
+       git_project_list_body(\@list, $order);
+       git_footer_html();
+}
+
+sub git_forks {
+       my $order = $cgi->param('o');
+       if (defined $order && $order !~ m/project|descr|owner|age/) {
+               die_error(undef, "Unknown order parameter");

        }
        }

-       print "<th></th>\n" .
-             "</tr>\n";
-       my $alternate = 1;
-       foreach my $pr (@projects) {
-               if ($alternate) {
-                       print "<tr class=\"dark\">\n";
-               } else {
-                       print "<tr class=\"light\">\n";
-               }
-               $alternate ^= 1;
-               print "<td>" . $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary"),
-                                       -class => "list"}, esc_html($pr->{'path'})) . "</td>\n" .
-                     "<td>" . esc_html($pr->{'descr'}) . "</td>\n" .
-                     "<td><i>" . chop_str($pr->{'owner'}, 15) . "</i></td>\n";
-               print "<td class=\"". age_class($pr->{'commit'}{'age'}) . "\">" .
-                     $pr->{'commit'}{'age_string'} . "</td>\n" .
-                     "<td class=\"link\">" .
-                     $cgi->a({-href => href(project=>$pr->{'path'}, action=>"summary")}, "summary")   . " | " .
-                     $cgi->a({-href => href(project=>$pr->{'path'}, action=>"shortlog")}, "shortlog") . " | " .
-                     $cgi->a({-href => href(project=>$pr->{'path'}, action=>"log")}, "log") . " | " .
-                     $cgi->a({-href => href(project=>$pr->{'path'}, action=>"tree")}, "tree") .
-                     "</td>\n" .
-                     "</tr>\n";
+
+       my @list = git_get_projects_list($project);
+       if (!@list) {
+               die_error(undef, "No forks found");

        }
        }

-       print "</table>\n";
+
+       git_header_html();
+       git_print_page_nav('','');
+       git_print_header_div('summary', "$project forks");
+       git_project_list_body(\@list, $order);

        git_footer_html();
 }
 
 sub git_project_index {
        git_footer_html();
 }
 
 sub git_project_index {

-       my @projects = git_get_projects_list();
+       my @projects = git_get_projects_list($project);

 
        print $cgi->header(
                -type => 'text/plain',
 
        print $cgi->header(
                -type => 'text/plain',


@@ -2403,23 +3033,22 @@ sub git_project_index {
 
 sub git_summary {
        my $descr = git_get_project_description($project) || "none";
 
 sub git_summary {
        my $descr = git_get_project_description($project) || "none";

-       my $head = git_get_head_hash($project);
-       my %co = parse_commit($head);
+       my %co = parse_commit("HEAD");

        my %cd = parse_date($co{'committer_epoch'}, $co{'committer_tz'});
        my %cd = parse_date($co{'committer_epoch'}, $co{'committer_tz'});

+       my $head = $co{'id'};

 
        my $owner = git_get_project_owner($project);
 
 
        my $owner = git_get_project_owner($project);
 

-       my ($reflist, $refs) = git_get_refs_list();
+       my $refs = git_get_references();
+       # These get_*_list functions return one more to allow us to see if
+       # there are more ...
+       my @taglist  = git_get_tags_list(16);
+       my @headlist = git_get_heads_list(16);
+       my @forklist;
+       my ($check_forks) = gitweb_check_feature('forks');

 
 

-       my @taglist;
-       my @headlist;
-       foreach my $ref (@$reflist) {
-               if ($ref->{'name'} =~ s!^heads/!!) {
-                       push @headlist, $ref;
-               } else {
-                       $ref->{'name'} =~ s!^tags/!!;
-                       push @taglist, $ref;
-               }
+       if ($check_forks) {
+               @forklist = git_get_projects_list($project);

        }
 
        git_header_html();
        }
 
        git_header_html();


@@ -2442,27 +3071,48 @@ sub git_summary {
        }
        print "</table>\n";
 
        }
        print "</table>\n";
 

+       if (-s "$projectroot/$project/README.html") {
+               if (open my $fd, "$projectroot/$project/README.html") {
+                       print "<div class=\"title\">readme</div>\n";
+                       print $_ while (<$fd>);
+                       close $fd;
+               }
+       }
+
+       # we need to request one more than 16 (0..15) to check if
+       # those 16 are all

        open my $fd, "-|", git_cmd(), "rev-list", "--max-count=17",
        open my $fd, "-|", git_cmd(), "rev-list", "--max-count=17",

-               git_get_head_hash($project)
+               $head, "--"

                or die_error(undef, "Open git-rev-list failed");
        my @revlist = map { chomp; $_ } <$fd>;
        close $fd;
        git_print_header_div('shortlog');
        git_shortlog_body(\@revlist, 0, 15, $refs,
                or die_error(undef, "Open git-rev-list failed");
        my @revlist = map { chomp; $_ } <$fd>;
        close $fd;
        git_print_header_div('shortlog');
        git_shortlog_body(\@revlist, 0, 15, $refs,

+                         $#revlist <=  15 ? undef :

                          $cgi->a({-href => href(action=>"shortlog")}, "..."));
 
        if (@taglist) {
                git_print_header_div('tags');
                git_tags_body(\@taglist, 0, 15,
                          $cgi->a({-href => href(action=>"shortlog")}, "..."));
 
        if (@taglist) {
                git_print_header_div('tags');
                git_tags_body(\@taglist, 0, 15,

+                             $#taglist <=  15 ? undef :

                              $cgi->a({-href => href(action=>"tags")}, "..."));
        }
 
        if (@headlist) {
                git_print_header_div('heads');
                git_heads_body(\@headlist, $head, 0, 15,
                              $cgi->a({-href => href(action=>"tags")}, "..."));
        }
 
        if (@headlist) {
                git_print_header_div('heads');
                git_heads_body(\@headlist, $head, 0, 15,

+                              $#headlist <= 15 ? undef :

                               $cgi->a({-href => href(action=>"heads")}, "..."));
        }
 
                               $cgi->a({-href => href(action=>"heads")}, "..."));
        }
 

+       if (@forklist) {
+               git_print_header_div('forks');
+               git_project_list_body(\@forklist, undef, 0, 15,
+                                     $#forklist <= 15 ? undef :
+                                     $cgi->a({-href => href(action=>"forks")}, "..."),
+                                     'noheader');
+       }
+

        git_footer_html();
 }
 
        git_footer_html();
 }
 


@@ -2493,7 +3143,8 @@ sub git_tag {
        print "<div class=\"page_body\">";
        my $comment = $tag{'comment'};
        foreach my $line (@$comment) {
        print "<div class=\"page_body\">";
        my $comment = $tag{'comment'};
        foreach my $line (@$comment) {

-               print esc_html($line) . "<br/>\n";
+               chomp $line;
+               print esc_html($line, -nbsp=>1) . "<br/>\n";

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


@@ -2520,7 +3171,8 @@ sub git_blame2 {
        if ($ftype !~ "blob") {
                die_error("400 Bad Request", "Object is not a blob");
        }
        if ($ftype !~ "blob") {
                die_error("400 Bad Request", "Object is not a blob");
        }

-       open ($fd, "-|", git_cmd(), "blame", '-l', '--', $file_name, $hash_base)
+       open ($fd, "-|", git_cmd(), "blame", '-p', '--',
+             $file_name, $hash_base)

                or die_error(undef, "Open git-blame failed");
        git_header_html();
        my $formats_nav =
                or die_error(undef, "Open git-blame failed");
        git_header_html();
        my $formats_nav =


@@ -2544,33 +3196,53 @@ sub git_blame2 {
 <table class="blame">
 <tr><th>Commit</th><th>Line</th><th>Data</th></tr>
 HTML
 <table class="blame">
 <tr><th>Commit</th><th>Line</th><th>Data</th></tr>
 HTML

-       while (<$fd>) {
-               my ($full_rev, $author, $date, $lineno, $data) =
-                       /^([0-9a-f]{40}).*?\s\((.*?)\s+([-\d]+ [:\d]+ [-+\d]+)\s+(\d+)\)\s(.*)/;
+       my %metainfo = ();
+       while (1) {
+               $_ = <$fd>;
+               last unless defined $_;
+               my ($full_rev, $orig_lineno, $lineno, $group_size) =
+                   /^([0-9a-f]{40}) (\d+) (\d+)(?: (\d+))?$/;
+               if (!exists $metainfo{$full_rev}) {
+                       $metainfo{$full_rev} = {};
+               }
+               my $meta = $metainfo{$full_rev};
+               while (<$fd>) {
+                       last if (s/^\t//);
+                       if (/^(\S+) (.*)$/) {
+                               $meta->{$1} = $2;
+                       }
+               }
+               my $data = $_;
+               chomp $data;

                my $rev = substr($full_rev, 0, 8);
                my $rev = substr($full_rev, 0, 8);

-               my $print_c8 = 0;
-
-               if (!defined $last_rev) {
-                       $last_rev = $full_rev;
-                       $print_c8 = 1;
-               } elsif ($last_rev ne $full_rev) {
-                       $last_rev = $full_rev;
+               my $author = $meta->{'author'};
+               my %date = parse_date($meta->{'author-time'},
+                                     $meta->{'author-tz'});
+               my $date = $date{'iso-tz'};
+               if ($group_size) {

                        $current_color = ++$current_color % $num_colors;
                        $current_color = ++$current_color % $num_colors;

-                       $print_c8 = 1;

                }
                print "<tr class=\"$rev_color[$current_color]\">\n";
                }
                print "<tr class=\"$rev_color[$current_color]\">\n";

-               print "<td class=\"sha1\"";
-               if ($print_c8 == 1) {
-                       print " title=\"$author, $date\"";
-               }
-               print ">";
-               if ($print_c8 == 1) {
-                       print $cgi->a({-href => href(action=>"commit", hash=>$full_rev, file_name=>$file_name)},
+               if ($group_size) {
+                       print "<td class=\"sha1\"";
+                       print " title=\"". esc_html($author) . ", $date\"";
+                       print " rowspan=\"$group_size\"" if ($group_size > 1);
+                       print ">";
+                       print $cgi->a({-href => href(action=>"commit",
+                                                    hash=>$full_rev,
+                                                    file_name=>$file_name)},

                                      esc_html($rev));
                                      esc_html($rev));

+                       print "</td>\n";

                }
                }

-               print "</td>\n";
-               print "<td class=\"linenr\"><a id=\"l$lineno\" href=\"#l$lineno\" class=\"linenr\">" .
-                     esc_html($lineno) . "</a></td>\n";
+               my $blamed = href(action => 'blame',
+                                 file_name => $meta->{'filename'},
+                                 hash_base => $full_rev);
+               print "<td class=\"linenr\">";
+               print $cgi->a({ -href => "$blamed#l$orig_lineno",
+                               -id => "l$lineno",
+                               -class => "linenr" },
+                             esc_html($lineno));
+               print "</td>";

                print "<td class=\"pre\">" . esc_html($data) . "</td>\n";
                print "</tr>\n";
        }
                print "<td class=\"pre\">" . esc_html($data) . "</td>\n";
                print "</tr>\n";
        }


@@ -2684,9 +3356,9 @@ sub git_tags {
        git_print_page_nav('','', $head,undef,$head);
        git_print_header_div('summary', $project);
 
        git_print_page_nav('','', $head,undef,$head);
        git_print_header_div('summary', $project);
 

-       my ($taglist) = git_get_refs_list("tags");
-       if (@$taglist) {
-               git_tags_body($taglist);
+       my @tagslist = git_get_tags_list();
+       if (@tagslist) {
+               git_tags_body(\@tagslist);

        }
        git_footer_html();
 }
        }
        git_footer_html();
 }


@@ -2697,9 +3369,9 @@ sub git_heads {
        git_print_page_nav('','', $head,undef,$head);
        git_print_header_div('summary', $project);
 
        git_print_page_nav('','', $head,undef,$head);
        git_print_header_div('summary', $project);
 

-       my ($headlist) = git_get_refs_list("heads");
-       if (@$headlist) {
-               git_heads_body($headlist, $head);
+       my @headslist = git_get_heads_list();
+       if (@headslist) {
+               git_heads_body(\@headslist, $head);

        }
        git_footer_html();
 }
        }
        git_footer_html();
 }


@@ -2766,10 +3438,13 @@ sub git_blob {
        open my $fd, "-|", git_cmd(), "cat-file", "blob", $hash
                or die_error(undef, "Couldn't cat $file_name, $hash");
        my $mimetype = blob_mimetype($fd, $file_name);
        open my $fd, "-|", git_cmd(), "cat-file", "blob", $hash
                or die_error(undef, "Couldn't cat $file_name, $hash");
        my $mimetype = blob_mimetype($fd, $file_name);

-       if ($mimetype !~ m/^text\//) {
+       if ($mimetype !~ m!^(?:text/|image/(?:gif|png|jpeg)$)!) {

                close $fd;
                return git_blob_plain($mimetype);
        }
                close $fd;
                return git_blob_plain($mimetype);
        }

+       # we can have blame only for text/* mimetype
+       $have_blame &&= ($mimetype =~ m!^text/!);
+

        git_header_html(undef, $expires);
        my $formats_nav = '';
        if (defined $hash_base && (my %co = parse_commit($hash_base))) {
        git_header_html(undef, $expires);
        my $formats_nav = '';
        if (defined $hash_base && (my %co = parse_commit($hash_base))) {


@@ -2806,13 +3481,24 @@ sub git_blob {
        }
        git_print_page_path($file_name, "blob", $hash_base);
        print "<div class=\"page_body\">\n";
        }
        git_print_page_path($file_name, "blob", $hash_base);
        print "<div class=\"page_body\">\n";

-       my $nr;
-       while (my $line = <$fd>) {
-               chomp $line;
-               $nr++;
-               $line = untabify($line);
-               printf "<div class=\"pre\"><a id=\"l%i\" href=\"#l%i\" class=\"linenr\">%4i</a> %s</div>\n",
-                      $nr, $nr, $nr, esc_html($line);
+       if ($mimetype =~ m!^text/!) {
+               my $nr;
+               while (my $line = <$fd>) {
+                       chomp $line;
+                       $nr++;
+                       $line = untabify($line);
+                       printf "<div class=\"pre\"><a id=\"l%i\" href=\"#l%i\" class=\"linenr\">%4i</a> %s</div>\n",
+                              $nr, $nr, $nr, esc_html($line, -nbsp=>1);
+               }
+       } elsif ($mimetype =~ m!^image/!) {
+               print qq!<img type="$mimetype"!;
+               if ($file_name) {
+                       print qq! alt="$file_name" title="$file_name"!;
+               }
+               print qq! src="! .
+                     href(action=>"blob_plain", hash=>$hash,
+                          hash_base=>$hash_base, file_name=>$file_name) .
+                     qq!" />\n!;

        }
        close $fd
                or print "Reading blob failed.\n";
        }
        close $fd
                or print "Reading blob failed.\n";


@@ -2843,7 +3529,7 @@ sub git_tree {
        my $refs = git_get_references();
        my $ref = format_ref_marker($refs, $hash_base);
        git_header_html();
        my $refs = git_get_references();
        my $ref = format_ref_marker($refs, $hash_base);
        git_header_html();

-       my $base = "";
+       my $basedir = '';

        my ($have_blame) = gitweb_check_feature('blame');
        if (defined $hash_base && (my %co = parse_commit($hash_base))) {
                my @views_nav = ();
        my ($have_blame) = gitweb_check_feature('blame');
        if (defined $hash_base && (my %co = parse_commit($hash_base))) {
                my @views_nav = ();


@@ -2860,7 +3546,7 @@ sub git_tree {
                        # FIXME: Should be available when we have no hash base as well.
                        push @views_nav,
                                $cgi->a({-href => href(action=>"snapshot", hash=>$hash)},
                        # FIXME: Should be available when we have no hash base as well.
                        push @views_nav,
                                $cgi->a({-href => href(action=>"snapshot", hash=>$hash)},

-                                       "snapshot");
+                                       "snapshot");

                }
                git_print_page_nav('tree','', $hash_base, undef, undef, join(' | ', @views_nav));
                git_print_header_div('commit', esc_html($co{'title'}) . $ref, $hash_base);
                }
                git_print_page_nav('tree','', $hash_base, undef, undef, join(' | ', @views_nav));
                git_print_header_div('commit', esc_html($co{'title'}) . $ref, $hash_base);


@@ -2871,12 +3557,39 @@ sub git_tree {
                print "<div class=\"title\">$hash</div>\n";
        }
        if (defined $file_name) {
                print "<div class=\"title\">$hash</div>\n";
        }
        if (defined $file_name) {

-               $base = esc_html("$file_name/");
+               $basedir = $file_name;
+               if ($basedir ne '' && substr($basedir, -1) ne '/') {
+                       $basedir .= '/';
+               }

        }
        git_print_page_path($file_name, 'tree', $hash_base);
        print "<div class=\"page_body\">\n";
        print "<table cellspacing=\"0\">\n";
        my $alternate = 1;
        }
        git_print_page_path($file_name, 'tree', $hash_base);
        print "<div class=\"page_body\">\n";
        print "<table cellspacing=\"0\">\n";
        my $alternate = 1;

+       # '..' (top directory) link if possible
+       if (defined $hash_base &&
+           defined $file_name && $file_name =~ m![^/]+$!) {
+               if ($alternate) {
+                       print "<tr class=\"dark\">\n";
+               } else {
+                       print "<tr class=\"light\">\n";
+               }
+               $alternate ^= 1;
+
+               my $up = $file_name;
+               $up =~ s!/?[^/]+$!!;
+               undef $up unless $up;
+               # based on git_print_tree_entry
+               print '<td class="mode">' . mode_str('040000') . "</td>\n";
+               print '<td class="list">';
+               print $cgi->a({-href => href(action=>"tree", hash_base=>$hash_base,
+                                            file_name=>$up)},
+                             "..");
+               print "</td>\n";
+               print "<td class=\"link\"></td>\n";
+
+               print "</tr>\n";
+       }

        foreach my $line (@entries) {
                my %t = parse_ls_tree_line($line, -z => 1);
 
        foreach my $line (@entries) {
                my %t = parse_ls_tree_line($line, -z => 1);
 


@@ -2887,7 +3600,7 @@ sub git_tree {
                }
                $alternate ^= 1;
 
                }
                $alternate ^= 1;
 

-               git_print_tree_entry(\%t, $base, $hash_base, $have_blame);
+               git_print_tree_entry(\%t, $basedir, $hash_base, $have_blame);

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


@@ -2910,8 +3623,7 @@ sub git_snapshot {
        my $filename = basename($project) . "-$hash.tar.$suffix";
 
        print $cgi->header(
        my $filename = basename($project) . "-$hash.tar.$suffix";
 
        print $cgi->header(

-               -type => 'application/x-tar',
-               -content_encoding => $ctype,
+               -type => "application/$ctype",

                -content_disposition => 'inline; filename="' . "$filename" . '"',
                -status => '200 OK');
 
                -content_disposition => 'inline; filename="' . "$filename" . '"',
                -status => '200 OK');
 


@@ -2939,7 +3651,7 @@ sub git_log {
        my $refs = git_get_references();
 
        my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
        my $refs = git_get_references();
 
        my $limit = sprintf("--max-count=%i", (100 * ($page+1)));

-       open my $fd, "-|", git_cmd(), "rev-list", $limit, $hash
+       open my $fd, "-|", git_cmd(), "rev-list", $limit, $hash, "--"

                or die_error(undef, "Open git-rev-list failed");
        my @revlist = map { chomp; $_ } <$fd>;
        close $fd;
                or die_error(undef, "Open git-rev-list failed");
        my @revlist = map { chomp; $_ } <$fd>;
        close $fd;


@@ -2978,13 +3690,14 @@ sub git_log {
                      "</div>\n";
 
                print "<div class=\"log_body\">\n";
                      "</div>\n";
 
                print "<div class=\"log_body\">\n";

-               git_print_simplified_log($co{'comment'});
+               git_print_log($co{'comment'}, -final_empty_line=> 1);

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

+       $hash ||= $hash_base || "HEAD";

        my %co = parse_commit($hash);
        if (!%co) {
                die_error(undef, "Unknown commit object");
        my %co = parse_commit($hash);
        if (!%co) {
                die_error(undef, "Unknown commit object");


@@ -2992,14 +3705,46 @@ sub git_commit {
        my %ad = parse_date($co{'author_epoch'}, $co{'author_tz'});
        my %cd = parse_date($co{'committer_epoch'}, $co{'committer_tz'});
 
        my %ad = parse_date($co{'author_epoch'}, $co{'author_tz'});
        my %cd = parse_date($co{'committer_epoch'}, $co{'committer_tz'});
 

-       my $parent = $co{'parent'};
+       my $parent  = $co{'parent'};
+       my $parents = $co{'parents'}; # listref
+
+       # we need to prepare $formats_nav before any parameter munging
+       my $formats_nav;
+       if (!defined $parent) {
+               # --root commitdiff
+               $formats_nav .= '(initial)';
+       } elsif (@$parents == 1) {
+               # single parent commit
+               $formats_nav .=
+                       '(parent: ' .
+                       $cgi->a({-href => href(action=>"commit",
+                                              hash=>$parent)},
+                               esc_html(substr($parent, 0, 7))) .
+                       ')';
+       } else {
+               # merge commit
+               $formats_nav .=
+                       '(merge: ' .
+                       join(' ', map {
+                               $cgi->a({-href => href(action=>"commitdiff",
+                                                      hash=>$_)},
+                                       esc_html(substr($_, 0, 7)));
+                       } @$parents ) .
+                       ')';
+       }
+

        if (!defined $parent) {
                $parent = "--root";
        }
        if (!defined $parent) {
                $parent = "--root";
        }

-       open my $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts, $parent, $hash
-               or die_error(undef, "Open git-diff-tree failed");
-       my @difftree = map { chomp; $_ } <$fd>;
-       close $fd or die_error(undef, "Reading git-diff-tree failed");
+       my @difftree;
+       if (@$parents <= 1) {
+               # difftree output is not printed for merges
+               open my $fd, "-|", git_cmd(), "diff-tree", '-r', "--no-commit-id",
+                       @diff_opts, $parent, $hash, "--"
+                               or die_error(undef, "Open git-diff-tree failed");
+               @difftree = map { chomp; $_ } <$fd>;
+               close $fd or die_error(undef, "Reading git-diff-tree failed");
+       }

 
        # non-textual hash id's can be cached
        my $expires;
 
        # non-textual hash id's can be cached
        my $expires;


@@ -3011,21 +3756,10 @@ sub git_commit {
 
        my $have_snapshot = gitweb_have_snapshot();
 
 
        my $have_snapshot = gitweb_have_snapshot();
 

-       my @views_nav = ();
-       if (defined $file_name && defined $co{'parent'}) {
-               push @views_nav,
-                       $cgi->a({-href => href(action=>"blame", hash_parent=>$parent, file_name=>$file_name)},
-                               "blame");
-       }
-       if (defined $co{'parent'}) {
-               push @views_nav,
-                       $cgi->a({-href => href(action=>"shortlog", hash=>$hash)}, "shortlog"),
-                       $cgi->a({-href => href(action=>"log", hash=>$hash)}, "log");
-       }

        git_header_html(undef, $expires);
        git_header_html(undef, $expires);

-       git_print_page_nav('commit', defined $co{'parent'} ? '' : 'commitdiff',
+       git_print_page_nav('commit', '',

                           $hash, $co{'tree'}, $hash,
                           $hash, $co{'tree'}, $hash,

-                          join (' | ', @views_nav));
+                          $formats_nav);

 
        if (defined $co{'parent'}) {
                git_print_header_div('commitdiff', esc_html($co{'title'}) . $ref, $hash);
 
        if (defined $co{'parent'}) {
                git_print_header_div('commitdiff', esc_html($co{'title'}) . $ref, $hash);


@@ -3066,7 +3800,7 @@ sub git_commit {
        }
        print "</td>" .
              "</tr>\n";
        }
        print "</td>" .
              "</tr>\n";

-       my $parents = $co{'parents'};
+

        foreach my $par (@$parents) {
                print "<tr>" .
                      "<td>parent</td>" .
        foreach my $par (@$parents) {
                print "<tr>" .
                      "<td>parent</td>" .


@@ -3088,11 +3822,61 @@ sub git_commit {
        git_print_log($co{'comment'});
        print "</div>\n";
 
        git_print_log($co{'comment'});
        print "</div>\n";
 

-       git_difftree_body(\@difftree, $hash, $parent);
+       if (@$parents <= 1) {
+               # do not output difftree/whatchanged for merges
+               git_difftree_body(\@difftree, $hash, $parent);
+       }

 
        git_footer_html();
 }
 
 
        git_footer_html();
 }
 

+sub git_object {
+       # object is defined by:
+       # - hash or hash_base alone
+       # - hash_base and file_name
+       my $type;
+
+       # - hash or hash_base alone
+       if ($hash || ($hash_base && !defined $file_name)) {
+               my $object_id = $hash || $hash_base;
+
+               my $git_command = git_cmd_str();
+               open my $fd, "-|", "$git_command cat-file -t $object_id 2>/dev/null"
+                       or die_error('404 Not Found', "Object does not exist");
+               $type = <$fd>;
+               chomp $type;
+               close $fd
+                       or die_error('404 Not Found', "Object does not exist");
+
+       # - hash_base and file_name
+       } elsif ($hash_base && defined $file_name) {
+               $file_name =~ s,/+$,,;
+
+               system(git_cmd(), "cat-file", '-e', $hash_base) == 0
+                       or die_error('404 Not Found', "Base object does not exist");
+
+               # here errors should not hapen
+               open my $fd, "-|", git_cmd(), "ls-tree", $hash_base, "--", $file_name
+                       or die_error(undef, "Open git-ls-tree failed");
+               my $line = <$fd>;
+               close $fd;
+
+               #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa  panic.c'
+               unless ($line && $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t/) {
+                       die_error('404 Not Found', "File or directory for given base does not exist");
+               }
+               $type = $2;
+               $hash = $3;
+       } else {
+               die_error('404 Not Found', "Not enough information to find object");
+       }
+
+       print $cgi->redirect(-uri => href(action=>$type, -full=>1,
+                                         hash=>$hash, hash_base=>$hash_base,
+                                         file_name=>$file_name),
+                            -status => '302 Found');
+}
+

 sub git_blobdiff {
        my $format = shift || 'html';
 
 sub git_blobdiff {
        my $format = shift || 'html';
 


@@ -3106,7 +3890,8 @@ sub git_blobdiff {
        if (defined $hash_base && defined $hash_parent_base) {
                if (defined $file_name) {
                        # read raw output
        if (defined $hash_base && defined $hash_parent_base) {
                if (defined $file_name) {
                        # read raw output

-                       open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts, $hash_parent_base, $hash_base,
+                       open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
+                               $hash_parent_base, $hash_base,

                                "--", $file_name
                                or die_error(undef, "Open git-diff-tree failed");
                        @difftree = map { chomp; $_ } <$fd>;
                                "--", $file_name
                                or die_error(undef, "Open git-diff-tree failed");
                        @difftree = map { chomp; $_ } <$fd>;


@@ -3120,7 +3905,8 @@ sub git_blobdiff {
                        # try to find filename from $hash
 
                        # read filtered raw output
                        # try to find filename from $hash
 
                        # read filtered raw output

-                       open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts, $hash_parent_base, $hash_base
+                       open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
+                               $hash_parent_base, $hash_base, "--"

                                or die_error(undef, "Open git-diff-tree failed");
                        @difftree =
                                # ':100644 100644 03b21826... 3b93d5e7... M     ls-files.c'
                                or die_error(undef, "Open git-diff-tree failed");
                        @difftree =
                                # ':100644 100644 03b21826... 3b93d5e7... M     ls-files.c'


@@ -3190,7 +3976,8 @@ sub git_blobdiff {
                }
 
                # open patch output
                }
 
                # open patch output

-               open $fd, "-|", git_cmd(), "diff", '-p', @diff_opts, $hash_parent, $hash
+               open $fd, "-|", git_cmd(), "diff", '-p', @diff_opts,
+                       $hash_parent, $hash, "--"

                        or die_error(undef, "Open git-diff failed");
        } else  {
                die_error('404 Not Found', "Missing one of the blob diff parameters")
                        or die_error(undef, "Open git-diff failed");
        } else  {
                die_error('404 Not Found', "Missing one of the blob diff parameters")


@@ -3244,8 +4031,8 @@ sub git_blobdiff {
 
        } else {
                while (my $line = <$fd>) {
 
        } else {
                while (my $line = <$fd>) {

-                       $line =~ s!a/($hash|$hash_parent)!'a/'.esc_html($diffinfo{'from_file'})!eg;
-                       $line =~ s!b/($hash|$hash_parent)!'b/'.esc_html($diffinfo{'to_file'})!eg;
+                       $line =~ s!a/($hash|$hash_parent)!'a/'.esc_path($diffinfo{'from_file'})!eg;
+                       $line =~ s!b/($hash|$hash_parent)!'b/'.esc_path($diffinfo{'to_file'})!eg;

 
                        print $line;
 
 
                        print $line;
 


@@ -3263,10 +4050,56 @@ sub git_blobdiff_plain {
 
 sub git_commitdiff {
        my $format = shift || 'html';
 
 sub git_commitdiff {
        my $format = shift || 'html';

+       $hash ||= $hash_base || "HEAD";

        my %co = parse_commit($hash);
        if (!%co) {
                die_error(undef, "Unknown commit object");
        }
        my %co = parse_commit($hash);
        if (!%co) {
                die_error(undef, "Unknown commit object");
        }

+
+       # we need to prepare $formats_nav before any parameter munging
+       my $formats_nav;
+       if ($format eq 'html') {
+               $formats_nav =
+                       $cgi->a({-href => href(action=>"commitdiff_plain",
+                                              hash=>$hash, hash_parent=>$hash_parent)},
+                               "raw");
+
+               if (defined $hash_parent) {
+                       # commitdiff with two commits given
+                       my $hash_parent_short = $hash_parent;
+                       if ($hash_parent =~ m/^[0-9a-fA-F]{40}$/) {
+                               $hash_parent_short = substr($hash_parent, 0, 7);
+                       }
+                       $formats_nav .=
+                               ' (from: ' .
+                               $cgi->a({-href => href(action=>"commitdiff",
+                                                      hash=>$hash_parent)},
+                                       esc_html($hash_parent_short)) .
+                               ')';
+               } elsif (!$co{'parent'}) {
+                       # --root commitdiff
+                       $formats_nav .= ' (initial)';
+               } elsif (scalar @{$co{'parents'}} == 1) {
+                       # single parent commit
+                       $formats_nav .=
+                               ' (parent: ' .
+                               $cgi->a({-href => href(action=>"commitdiff",
+                                                      hash=>$co{'parent'})},
+                                       esc_html(substr($co{'parent'}, 0, 7))) .
+                               ')';
+               } else {
+                       # merge commit
+                       $formats_nav .=
+                               ' (merge: ' .
+                               join(' ', map {
+                                       $cgi->a({-href => href(action=>"commitdiff",
+                                                              hash=>$_)},
+                                               esc_html(substr($_, 0, 7)));
+                               } @{$co{'parents'}} ) .
+                               ')';
+               }
+       }
+

        if (!defined $hash_parent) {
                $hash_parent = $co{'parent'} || '--root';
        }
        if (!defined $hash_parent) {
                $hash_parent = $co{'parent'} || '--root';
        }


@@ -3276,10 +4109,12 @@ sub git_commitdiff {
        my @difftree;
        if ($format eq 'html') {
                open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
        my @difftree;
        if ($format eq 'html') {
                open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,

-                       "--patch-with-raw", "--full-index", $hash_parent, $hash
+                       "--no-commit-id", "--patch-with-raw", "--full-index",
+                       $hash_parent, $hash, "--"

                        or die_error(undef, "Open git-diff-tree failed");
 
                        or die_error(undef, "Open git-diff-tree failed");
 

-               while (chomp(my $line = <$fd>)) {
+               while (my $line = <$fd>) {
+                       chomp $line;

                        # empty line ends raw part of diff-tree output
                        last unless $line;
                        push @difftree, $line;
                        # empty line ends raw part of diff-tree output
                        last unless $line;
                        push @difftree, $line;


@@ -3287,7 +4122,7 @@ sub git_commitdiff {
 
        } elsif ($format eq 'plain') {
                open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
 
        } elsif ($format eq 'plain') {
                open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,

-                       '-p', $hash_parent, $hash
+                       '-p', $hash_parent, $hash, "--"

                        or die_error(undef, "Open git-diff-tree failed");
 
        } else {
                        or die_error(undef, "Open git-diff-tree failed");
 
        } else {


@@ -3304,19 +4139,17 @@ sub git_commitdiff {
        if ($format eq 'html') {
                my $refs = git_get_references();
                my $ref = format_ref_marker($refs, $co{'id'});
        if ($format eq 'html') {
                my $refs = git_get_references();
                my $ref = format_ref_marker($refs, $co{'id'});

-               my $formats_nav =
-                       $cgi->a({-href => href(action=>"commitdiff_plain",
-                                              hash=>$hash, hash_parent=>$hash_parent)},
-                               "raw");

 
                git_header_html(undef, $expires);
                git_print_page_nav('commitdiff','', $hash,$co{'tree'},$hash, $formats_nav);
                git_print_header_div('commit', esc_html($co{'title'}) . $ref, $hash);
                git_print_authorship(\%co);
                print "<div class=\"page_body\">\n";
 
                git_header_html(undef, $expires);
                git_print_page_nav('commitdiff','', $hash,$co{'tree'},$hash, $formats_nav);
                git_print_header_div('commit', esc_html($co{'title'}) . $ref, $hash);
                git_print_authorship(\%co);
                print "<div class=\"page_body\">\n";

-               print "<div class=\"log\">\n";
-               git_print_simplified_log($co{'comment'}, 1); # skip title
-               print "</div>\n"; # class="log"
+               if (@{$co{'comment'}} > 1) {
+                       print "<div class=\"log\">\n";
+                       git_print_log($co{'comment'}, -final_empty_line=> 1, -remove_title => 1);
+                       print "</div>\n"; # class="log"
+               }

 
        } elsif ($format eq 'plain') {
                my $refs = git_get_references("tags");
 
        } elsif ($format eq 'plain') {
                my $refs = git_get_references("tags");


@@ -3437,6 +4270,10 @@ sub git_history {
 }
 
 sub git_search {
 }
 
 sub git_search {

+       my ($have_search) = gitweb_check_feature('search');
+       if (!$have_search) {
+               die_error('403 Permission denied', "Permission denied");
+       }

        if (!defined $searchtext) {
                die_error(undef, "Text field empty");
        }
        if (!defined $searchtext) {
                die_error(undef, "Text field empty");
        }


@@ -3447,19 +4284,12 @@ sub git_search {
        if (!%co) {
                die_error(undef, "Unknown commit object");
        }
        if (!%co) {
                die_error(undef, "Unknown commit object");
        }

+       if (!defined $page) {
+               $page = 0;
+       }

 
 

-       my $commit_search = 1;
-       my $author_search = 0;
-       my $committer_search = 0;
-       my $pickaxe_search = 0;
-       if ($searchtext =~ s/^author\\://i) {
-               $author_search = 1;
-       } elsif ($searchtext =~ s/^committer\\://i) {
-               $committer_search = 1;
-       } elsif ($searchtext =~ s/^pickaxe\\://i) {
-               $commit_search = 0;
-               $pickaxe_search = 1;
-
+       $searchtype ||= 'commit';
+       if ($searchtype eq 'pickaxe') {

                # pickaxe may take all resources of your box and run for several minutes
                # with every query - so decide by yourself how public you make this feature
                my ($have_pickaxe) = gitweb_check_feature('pickaxe');
                # pickaxe may take all resources of your box and run for several minutes
                # with every query - so decide by yourself how public you make this feature
                my ($have_pickaxe) = gitweb_check_feature('pickaxe');


@@ -3467,65 +4297,70 @@ sub git_search {
                        die_error('403 Permission denied', "Permission denied");
                }
        }
                        die_error('403 Permission denied', "Permission denied");
                }
        }

+

        git_header_html();
        git_header_html();

-       git_print_page_nav('','', $hash,$co{'tree'},$hash);
-       git_print_header_div('commit', esc_html($co{'title'}), $hash);

 
 

-       print "<table cellspacing=\"0\">\n";
-       my $alternate = 1;
-       if ($commit_search) {
-               $/ = "\0";
-               open my $fd, "-|", git_cmd(), "rev-list", "--header", "--parents", $hash or next;
-               while (my $commit_text = <$fd>) {
-                       if (!grep m/$searchtext/i, $commit_text) {
-                               next;
-                       }
-                       if ($author_search && !grep m/\nauthor .*$searchtext/i, $commit_text) {
-                               next;
-                       }
-                       if ($committer_search && !grep m/\ncommitter .*$searchtext/i, $commit_text) {
-                               next;
-                       }
-                       my @commit_lines = split "\n", $commit_text;
-                       my %co = parse_commit(undef, \@commit_lines);
-                       if (!%co) {
-                               next;
-                       }
-                       if ($alternate) {
-                               print "<tr class=\"dark\">\n";
-                       } else {
-                               print "<tr class=\"light\">\n";
-                       }
-                       $alternate ^= 1;
-                       print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
-                             "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
-                             "<td>" .
-                             $cgi->a({-href => href(action=>"commit", hash=>$co{'id'}), -class => "list subject"},
-                                      esc_html(chop_str($co{'title'}, 50)) . "<br/>");
-                       my $comment = $co{'comment'};
-                       foreach my $line (@$comment) {
-                               if ($line =~ m/^(.*)($searchtext)(.*)$/i) {
-                                       my $lead = esc_html($1) || "";
-                                       $lead = chop_str($lead, 30, 10);
-                                       my $match = esc_html($2) || "";
-                                       my $trail = esc_html($3) || "";
-                                       $trail = chop_str($trail, 30, 10);
-                                       my $text = "$lead<span class=\"match\">$match</span>$trail";
-                                       print chop_str($text, 80, 5) . "<br/>\n";
-                               }
-                       }
-                       print "</td>\n" .
-                             "<td class=\"link\">" .
-                             $cgi->a({-href => href(action=>"commit", hash=>$co{'id'})}, "commit") .
-                             " | " .
-                             $cgi->a({-href => href(action=>"tree", hash=>$co{'tree'}, hash_base=>$co{'id'})}, "tree");
-                       print "</td>\n" .
-                             "</tr>\n";
+       if ($searchtype eq 'commit' or $searchtype eq 'author' or $searchtype eq 'committer') {
+               my $greptype;
+               if ($searchtype eq 'commit') {
+                       $greptype = "--grep=";
+               } elsif ($searchtype eq 'author') {
+                       $greptype = "--author=";
+               } elsif ($searchtype eq 'committer') {
+                       $greptype = "--committer=";

                }
                }

+               open my $fd, "-|", git_cmd(), "rev-list",
+                       ("--max-count=" . (100 * ($page+1))),
+                       ($greptype . $searchtext),
+                       $hash, "--"
+                       or next;
+               my @revlist = map { chomp; $_ } <$fd>;

                close $fd;
                close $fd;

+
+               my $paging_nav = '';
+               if ($page > 0) {
+                       $paging_nav .=
+                               $cgi->a({-href => href(action=>"search", hash=>$hash,
+                                                      searchtext=>$searchtext, searchtype=>$searchtype)},
+                                       "first");
+                       $paging_nav .= " &sdot; " .
+                               $cgi->a({-href => href(action=>"search", hash=>$hash,
+                                                      searchtext=>$searchtext, searchtype=>$searchtype,
+                                                      page=>$page-1),
+                                        -accesskey => "p", -title => "Alt-p"}, "prev");
+               } else {
+                       $paging_nav .= "first";
+                       $paging_nav .= " &sdot; prev";
+               }
+               if ($#revlist >= (100 * ($page+1)-1)) {
+                       $paging_nav .= " &sdot; " .
+                               $cgi->a({-href => href(action=>"search", hash=>$hash,
+                                                      searchtext=>$searchtext, searchtype=>$searchtype,
+                                                      page=>$page+1),
+                                        -accesskey => "n", -title => "Alt-n"}, "next");
+               } else {
+                       $paging_nav .= " &sdot; next";
+               }
+               my $next_link = '';
+               if ($#revlist >= (100 * ($page+1)-1)) {
+                       $next_link =
+                               $cgi->a({-href => href(action=>"search", hash=>$hash,
+                                                      searchtext=>$searchtext, searchtype=>$searchtype,
+                                                      page=>$page+1),
+                                        -accesskey => "n", -title => "Alt-n"}, "next");
+               }
+
+               git_print_page_nav('','', $hash,$co{'tree'},$hash, $paging_nav);
+               git_print_header_div('commit', esc_html($co{'title'}), $hash);
+               git_search_grep_body(\@revlist, ($page * 100), $#revlist, $next_link);

        }
 
        }
 

-       if ($pickaxe_search) {
+       if ($searchtype eq 'pickaxe') {
+               git_print_page_nav('','', $hash,$co{'tree'},$hash);
+               git_print_header_div('commit', esc_html($co{'title'}), $hash);
+
+               print "<table cellspacing=\"0\">\n";
+               my $alternate = 1;

                $/ = "\n";
                my $git_command = git_cmd_str();
                open my $fd, "-|", "$git_command rev-list $hash | " .
                $/ = "\n";
                my $git_command = git_cmd_str();
                open my $fd, "-|", "$git_command rev-list $hash | " .


@@ -3565,7 +4400,7 @@ sub git_search {
                                                print $cgi->a({-href => href(action=>"blob", hash_base=>$co{'id'},
                                                                             hash=>$set{'id'}, file_name=>$set{'file'}),
                                                              -class => "list"},
                                                print $cgi->a({-href => href(action=>"blob", hash_base=>$co{'id'},
                                                                             hash=>$set{'id'}, file_name=>$set{'file'}),
                                                              -class => "list"},

-                                                             "<span class=\"match\">" . esc_html($set{'file'}) . "</span>") .
+                                                             "<span class=\"match\">" . esc_path($set{'file'}) . "</span>") .

                                                      "<br/>\n";
                                        }
                                        print "</td>\n" .
                                                      "<br/>\n";
                                        }
                                        print "</td>\n" .


@@ -3580,8 +4415,34 @@ sub git_search {
                        }
                }
                close $fd;
                        }
                }
                close $fd;

+
+               print "</table>\n";

        }
        }

-       print "</table>\n";
+       git_footer_html();
+}
+
+sub git_search_help {
+       git_header_html();
+       git_print_page_nav('','', $hash,$hash,$hash);
+       print <<EOT;
+<dl>
+<dt><b>commit</b></dt>
+<dd>The commit messages and authorship information will be scanned for the given string.</dd>
+<dt><b>author</b></dt>
+<dd>Name and e-mail of the change author and date of birth of the patch will be scanned for the given string.</dd>
+<dt><b>committer</b></dt>
+<dd>Name and e-mail of the committer and date of commit will be scanned for the given string.</dd>
+EOT
+       my ($have_pickaxe) = gitweb_check_feature('pickaxe');
+       if ($have_pickaxe) {
+               print <<EOT;
+<dt><b>pickaxe</b></dt>
+<dd>All commits that caused the string to appear or disappear from any file (changes that
+added, removed or "modified" the string) will be listed. This search can take a while and
+takes a lot of strain on the server, so please use it wisely.</dd>
+EOT
+       }
+       print "</dl>\n";

        git_footer_html();
 }
 
        git_footer_html();
 }
 


@@ -3596,7 +4457,7 @@ sub git_shortlog {
        my $refs = git_get_references();
 
        my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
        my $refs = git_get_references();
 
        my $limit = sprintf("--max-count=%i", (100 * ($page+1)));

-       open my $fd, "-|", git_cmd(), "rev-list", $limit, $hash
+       open my $fd, "-|", git_cmd(), "rev-list", $limit, $hash, "--"

                or die_error(undef, "Open git-rev-list failed");
        my @revlist = map { chomp; $_ } <$fd>;
        close $fd;
                or die_error(undef, "Open git-rev-list failed");
        my @revlist = map { chomp; $_ } <$fd>;
        close $fd;


@@ -3620,69 +4481,237 @@ sub git_shortlog {
 }
 
 ## ......................................................................
 }
 
 ## ......................................................................

-## feeds (RSS, OPML)
+## feeds (RSS, Atom; OPML)

 
 

-sub git_rss {
-       # http://www.notestips.com/80256B3A007F2692/1/NAMO5P9UPQ
-       open my $fd, "-|", git_cmd(), "rev-list", "--max-count=150", git_get_head_hash($project)
+sub git_feed {
+       my $format = shift || 'atom';
+       my ($have_blame) = gitweb_check_feature('blame');
+
+       # Atom: http://www.atomenabled.org/developers/syndication/
+       # RSS:  http://www.notestips.com/80256B3A007F2692/1/NAMO5P9UPQ
+       if ($format ne 'rss' && $format ne 'atom') {
+               die_error(undef, "Unknown web feed format");
+       }
+
+       # log/feed of current (HEAD) branch, log of given branch, history of file/directory
+       my $head = $hash || 'HEAD';
+       open my $fd, "-|", git_cmd(), "rev-list", "--max-count=150",
+               $head, "--", (defined $file_name ? $file_name : ())

                or die_error(undef, "Open git-rev-list failed");
        my @revlist = map { chomp; $_ } <$fd>;
        close $fd or die_error(undef, "Reading git-rev-list failed");
                or die_error(undef, "Open git-rev-list failed");
        my @revlist = map { chomp; $_ } <$fd>;
        close $fd or die_error(undef, "Reading git-rev-list failed");

-       print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
-       print <<XML;
-<?xml version="1.0" encoding="utf-8"?>
+
+       my %latest_commit;
+       my %latest_date;
+       my $content_type = "application/$format+xml";
+       if (defined $cgi->http('HTTP_ACCEPT') &&
+                $cgi->Accept('text/xml') > $cgi->Accept($content_type)) {
+               # browser (feed reader) prefers text/xml
+               $content_type = 'text/xml';
+       }
+       if (defined($revlist[0])) {
+               %latest_commit = parse_commit($revlist[0]);
+               %latest_date   = parse_date($latest_commit{'author_epoch'});
+               print $cgi->header(
+                       -type => $content_type,
+                       -charset => 'utf-8',
+                       -last_modified => $latest_date{'rfc2822'});
+       } else {
+               print $cgi->header(
+                       -type => $content_type,
+                       -charset => 'utf-8');
+       }
+
+       # Optimization: skip generating the body if client asks only
+       # for Last-Modified date.
+       return if ($cgi->request_method() eq 'HEAD');
+
+       # header variables
+       my $title = "$site_name - $project/$action";
+       my $feed_type = 'log';
+       if (defined $hash) {
+               $title .= " - '$hash'";
+               $feed_type = 'branch log';
+               if (defined $file_name) {
+                       $title .= " :: $file_name";
+                       $feed_type = 'history';
+               }
+       } elsif (defined $file_name) {
+               $title .= " - $file_name";
+               $feed_type = 'history';
+       }
+       $title .= " $feed_type";
+       my $descr = git_get_project_description($project);
+       if (defined $descr) {
+               $descr = esc_html($descr);
+       } else {
+               $descr = "$project " .
+                        ($format eq 'rss' ? 'RSS' : 'Atom') .
+                        " feed";
+       }
+       my $owner = git_get_project_owner($project);
+       $owner = esc_html($owner);
+
+       #header
+       my $alt_url;
+       if (defined $file_name) {
+               $alt_url = href(-full=>1, action=>"history", hash=>$hash, file_name=>$file_name);
+       } elsif (defined $hash) {
+               $alt_url = href(-full=>1, action=>"log", hash=>$hash);
+       } else {
+               $alt_url = href(-full=>1, action=>"summary");
+       }
+       print qq!<?xml version="1.0" encoding="utf-8"?>\n!;
+       if ($format eq 'rss') {
+               print <<XML;

 <rss version="2.0" xmlns:content="http://purl.org/rss/1.0/modules/content/">
 <channel>
 <rss version="2.0" xmlns:content="http://purl.org/rss/1.0/modules/content/">
 <channel>

-<title>$project $my_uri $my_url</title>
-<link>${\esc_html("$my_url?p=$project;a=summary")}</link>
-<description>$project log</description>
-<language>en</language>

 XML
 XML

+               print "<title>$title</title>\n" .
+                     "<link>$alt_url</link>\n" .
+                     "<description>$descr</description>\n" .
+                     "<language>en</language>\n";
+       } elsif ($format eq 'atom') {
+               print <<XML;
+<feed xmlns="http://www.w3.org/2005/Atom">
+XML
+               print "<title>$title</title>\n" .
+                     "<subtitle>$descr</subtitle>\n" .
+                     '<link rel="alternate" type="text/html" href="' .
+                     $alt_url . '" />' . "\n" .
+                     '<link rel="self" type="' . $content_type . '" href="' .
+                     $cgi->self_url() . '" />' . "\n" .
+                     "<id>" . href(-full=>1) . "</id>\n" .
+                     # use project owner for feed author
+                     "<author><name>$owner</name></author>\n";
+               if (defined $favicon) {
+                       print "<icon>" . esc_url($favicon) . "</icon>\n";
+               }
+               if (defined $logo_url) {
+                       # not twice as wide as tall: 72 x 27 pixels
+                       print "<logo>" . esc_url($logo) . "</logo>\n";
+               }
+               if (! %latest_date) {
+                       # dummy date to keep the feed valid until commits trickle in:
+                       print "<updated>1970-01-01T00:00:00Z</updated>\n";
+               } else {
+                       print "<updated>$latest_date{'iso-8601'}</updated>\n";
+               }
+       }

 
 

+       # contents

        for (my $i = 0; $i <= $#revlist; $i++) {
                my $commit = $revlist[$i];
                my %co = parse_commit($commit);
                # we read 150, we always show 30 and the ones more recent than 48 hours
        for (my $i = 0; $i <= $#revlist; $i++) {
                my $commit = $revlist[$i];
                my %co = parse_commit($commit);
                # we read 150, we always show 30 and the ones more recent than 48 hours

-               if (($i >= 20) && ((time - $co{'committer_epoch'}) > 48*60*60)) {
+               if (($i >= 20) && ((time - $co{'author_epoch'}) > 48*60*60)) {

                        last;
                }
                        last;
                }

-               my %cd = parse_date($co{'committer_epoch'});
+               my %cd = parse_date($co{'author_epoch'});
+
+               # get list of changed files

                open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,
                open $fd, "-|", git_cmd(), "diff-tree", '-r', @diff_opts,

-                       $co{'parent'}, $co{'id'}
+                       $co{'parent'}, $co{'id'}, "--", (defined $file_name ? $file_name : ())

                        or next;
                my @difftree = map { chomp; $_ } <$fd>;
                close $fd
                        or next;
                        or next;
                my @difftree = map { chomp; $_ } <$fd>;
                close $fd
                        or next;

-               print "<item>\n" .
-                     "<title>" .
-                     sprintf("%d %s %02d:%02d", $cd{'mday'}, $cd{'month'}, $cd{'hour'}, $cd{'minute'}) . " - " . esc_html($co{'title'}) .
-                     "</title>\n" .
-                     "<author>" . esc_html($co{'author'}) . "</author>\n" .
-                     "<pubDate>$cd{'rfc2822'}</pubDate>\n" .
-                     "<guid isPermaLink=\"true\">" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</guid>\n" .
-                     "<link>" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</link>\n" .
-                     "<description>" . esc_html($co{'title'}) . "</description>\n" .
-                     "<content:encoded>" .
-                     "<![CDATA[\n";
+
+               # print element (entry, item)
+               my $co_url = href(-full=>1, action=>"commit", hash=>$commit);
+               if ($format eq 'rss') {
+                       print "<item>\n" .
+                             "<title>" . esc_html($co{'title'}) . "</title>\n" .
+                             "<author>" . esc_html($co{'author'}) . "</author>\n" .
+                             "<pubDate>$cd{'rfc2822'}</pubDate>\n" .
+                             "<guid isPermaLink=\"true\">$co_url</guid>\n" .
+                             "<link>$co_url</link>\n" .
+                             "<description>" . esc_html($co{'title'}) . "</description>\n" .
+                             "<content:encoded>" .
+                             "<![CDATA[\n";
+               } elsif ($format eq 'atom') {
+                       print "<entry>\n" .
+                             "<title type=\"html\">" . esc_html($co{'title'}) . "</title>\n" .
+                             "<updated>$cd{'iso-8601'}</updated>\n" .
+                             "<author>\n" .
+                             "  <name>" . esc_html($co{'author_name'}) . "</name>\n";
+                       if ($co{'author_email'}) {
+                               print "  <email>" . esc_html($co{'author_email'}) . "</email>\n";
+                       }
+                       print "</author>\n" .
+                             # use committer for contributor
+                             "<contributor>\n" .
+                             "  <name>" . esc_html($co{'committer_name'}) . "</name>\n";
+                       if ($co{'committer_email'}) {
+                               print "  <email>" . esc_html($co{'committer_email'}) . "</email>\n";
+                       }
+                       print "</contributor>\n" .
+                             "<published>$cd{'iso-8601'}</published>\n" .
+                             "<link rel=\"alternate\" type=\"text/html\" href=\"$co_url\" />\n" .
+                             "<id>$co_url</id>\n" .
+                             "<content type=\"xhtml\" xml:base=\"" . esc_url($my_url) . "\">\n" .
+                             "<div xmlns=\"http://www.w3.org/1999/xhtml\">\n";
+               }

                my $comment = $co{'comment'};
                my $comment = $co{'comment'};

+               print "<pre>\n";

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

-                       $line = decode("utf8", $line, Encode::FB_DEFAULT);
-                       print "$line<br/>\n";
+                       $line = esc_html($line);
+                       print "$line\n";

                }
                }

-               print "<br/>\n";
-               foreach my $line (@difftree) {
-                       if (!($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/)) {
-                               next;
+               print "</pre><ul>\n";
+               foreach my $difftree_line (@difftree) {
+                       my %difftree = parse_difftree_raw_line($difftree_line);
+                       next if !$difftree{'from_id'};
+
+                       my $file = $difftree{'file'} || $difftree{'to_file'};
+
+                       print "<li>" .
+                             "[" .
+                             $cgi->a({-href => href(-full=>1, action=>"blobdiff",
+                                                    hash=>$difftree{'to_id'}, hash_parent=>$difftree{'from_id'},
+                                                    hash_base=>$co{'id'}, hash_parent_base=>$co{'parent'},
+                                                    file_name=>$file, file_parent=>$difftree{'from_file'}),
+                                     -title => "diff"}, 'D');
+                       if ($have_blame) {
+                               print $cgi->a({-href => href(-full=>1, action=>"blame",
+                                                            file_name=>$file, hash_base=>$commit),
+                                             -title => "blame"}, 'B');
+                       }
+                       # if this is not a feed of a file history
+                       if (!defined $file_name || $file_name ne $file) {
+                               print $cgi->a({-href => href(-full=>1, action=>"history",
+                                                            file_name=>$file, hash=>$commit),
+                                             -title => "history"}, 'H');

                        }
                        }

-                       my $file = esc_html(unquote($7));
-                       $file = decode("utf8", $file, Encode::FB_DEFAULT);
-                       print "$file<br/>\n";
+                       $file = esc_path($file);
+                       print "] ".
+                             "$file</li>\n";
+               }
+               if ($format eq 'rss') {
+                       print "</ul>]]>\n" .
+                             "</content:encoded>\n" .
+                             "</item>\n";
+               } elsif ($format eq 'atom') {
+                       print "</ul>\n</div>\n" .
+                             "</content>\n" .
+                             "</entry>\n";

                }
                }

-               print "]]>\n" .
-                     "</content:encoded>\n" .
-                     "</item>\n";

        }
        }

-       print "</channel></rss>";
+
+       # end of feed
+       if ($format eq 'rss') {
+               print "</channel>\n</rss>\n";
+       }       elsif ($format eq 'atom') {
+               print "</feed>\n";
+       }
+}
+
+sub git_rss {
+       git_feed('rss');
+}
+
+sub git_atom {
+       git_feed('atom');

 }
 
 sub git_opml {
 }
 
 sub git_opml {


@@ -3693,7 +4722,7 @@ sub git_opml {
 <?xml version="1.0" encoding="utf-8"?>
 <opml version="1.0">
 <head>
 <?xml version="1.0" encoding="utf-8"?>
 <opml version="1.0">
 <head>

-  <title>$site_name Git OPML Export</title>
+  <title>$site_name OPML Export</title>

 </head>
 <body>
 <outline text="git RSS feeds">
 </head>
 <body>
 <outline text="git RSS feeds">