Andrew's git - gitweb.git/blob

   1#!/usr/bin/perl
   2
   3# gitweb - simple web interface to track changes in git repositories
   4#
   5# (C) 2005-2006, Kay Sievers <kay.sievers@vrfy.org>
   6# (C) 2005, Christian Gierke
   7#
   8# This program is licensed under the GPLv2
   9
  10use strict;
  11use warnings;
  12use CGI qw(:standard :escapeHTML -nosticky);
  13use CGI::Util qw(unescape);
  14use CGI::Carp qw(fatalsToBrowser);
  15use Encode;
  16use Fcntl ':mode';
  17binmode STDOUT, ':utf8';
  18
  19my $cgi = new CGI;
  20my $version =           "267";
  21my $my_url =            $cgi->url();
  22my $my_uri =            $cgi->url(-absolute => 1);
  23my $rss_link =          "";
  24
  25# absolute fs-path which will be prepended to the project path
  26#my $projectroot =      "/pub/scm";
  27my $projectroot =       "/home/kay/public_html/pub/scm";
  28
  29# location of the git-core binaries
  30my $gitbin =            "/usr/bin";
  31
  32# location for temporary files needed for diffs
  33my $git_temp =          "/tmp/gitweb";
  34
  35# target of the home link on top of all pages
  36my $home_link =         $my_uri;
  37
  38# html text to include at home page
  39my $home_text =         "indextext.html";
  40
  41# source of projects list
  42#my $projects_list =    $projectroot;
  43my $projects_list =     "index/index.aux";
  44
  45# input validation and dispatch
  46my $action = $cgi->param('a');
  47if (defined $action) {
  48        if ($action =~ m/[^0-9a-zA-Z\.\-_]/) {
  49                undef $action;
  50                die_error(undef, "Invalid action parameter.");
  51        }
  52        if ($action eq "git-logo.png") {
  53                git_logo();
  54                exit;
  55        } elsif ($action eq "opml") {
  56                git_opml();
  57                exit;
  58        }
  59}
  60
  61my $order = $cgi->param('o');
  62if (defined $order) {
  63        if ($order =~ m/[^0-9a-zA-Z_]/) {
  64                undef $order;
  65                die_error(undef, "Invalid order parameter.");
  66        }
  67}
  68
  69my $project = $cgi->param('p');
  70if (defined $project) {
  71        $project = validate_input($project);
  72        if (!defined($project)) {
  73                die_error(undef, "Invalid project parameter.");
  74        }
  75        if (!(-d "$projectroot/$project")) {
  76                undef $project;
  77                die_error(undef, "No such directory.");
  78        }
  79        if (!(-e "$projectroot/$project/HEAD")) {
  80                undef $project;
  81                die_error(undef, "No such project.");
  82        }
  83        $rss_link = "<link rel=\"alternate\" title=\"" . esc_param($project) . " log\" href=\"" .
  84                    "$my_uri?" . esc_param("p=$project;a=rss") . "\" type=\"application/rss+xml\"/>";
  85        $ENV{'GIT_DIR'} = "$projectroot/$project";
  86} else {
  87        git_project_list();
  88        exit;
  89}
  90
  91my $file_name = $cgi->param('f');
  92if (defined $file_name) {
  93        $file_name = validate_input($file_name);
  94        if (!defined($file_name)) {
  95                die_error(undef, "Invalid file parameter.");
  96        }
  97}
  98
  99my $hash = $cgi->param('h');
 100if (defined $hash) {
 101        $hash = validate_input($hash);
 102        if (!defined($hash)) {
 103                die_error(undef, "Invalid hash parameter.");
 104        }
 105}
 106
 107my $hash_parent = $cgi->param('hp');
 108if (defined $hash_parent) {
 109        $hash_parent = validate_input($hash_parent);
 110        if (!defined($hash_parent)) {
 111                die_error(undef, "Invalid hash parent parameter.");
 112        }
 113}
 114
 115my $hash_base = $cgi->param('hb');
 116if (defined $hash_base) {
 117        $hash_base = validate_input($hash_base);
 118        if (!defined($hash_base)) {
 119                die_error(undef, "Invalid hash base parameter.");
 120        }
 121}
 122
 123my $page = $cgi->param('pg');
 124if (defined $page) {
 125        if ($page =~ m/[^0-9]$/) {
 126                undef $page;
 127                die_error(undef, "Invalid page parameter.");
 128        }
 129}
 130
 131my $searchtext = $cgi->param('s');
 132if (defined $searchtext) {
 133        if ($searchtext =~ m/[^a-zA-Z0-9_\.\/\-\+\:\@ ]/) {
 134                undef $searchtext;
 135                die_error(undef, "Invalid search parameter.");
 136        }
 137        $searchtext = quotemeta $searchtext;
 138}
 139
 140sub validate_input {
 141        my $input = shift;
 142
 143        if ($input =~ m/^[0-9a-fA-F]{40}$/) {
 144                return $input;
 145        }
 146        if ($input =~ m/(^|\/)(|\.|\.\.)($|\/)/) {
 147                return undef;
 148        }
 149        if ($input =~ m/[^a-zA-Z0-9_\x80-\xff\ \t\.\/\-\+\#\~\%]/) {
 150                return undef;
 151        }
 152        return $input;
 153}
 154
 155if (!defined $action || $action eq "summary") {
 156        git_summary();
 157        exit;
 158} elsif ($action eq "heads") {
 159        git_heads();
 160        exit;
 161} elsif ($action eq "tags") {
 162        git_tags();
 163        exit;
 164} elsif ($action eq "blob") {
 165        git_blob();
 166        exit;
 167} elsif ($action eq "blob_plain") {
 168        git_blob_plain();
 169        exit;
 170} elsif ($action eq "tree") {
 171        git_tree();
 172        exit;
 173} elsif ($action eq "rss") {
 174        git_rss();
 175        exit;
 176} elsif ($action eq "commit") {
 177        git_commit();
 178        exit;
 179} elsif ($action eq "log") {
 180        git_log();
 181        exit;
 182} elsif ($action eq "blobdiff") {
 183        git_blobdiff();
 184        exit;
 185} elsif ($action eq "blobdiff_plain") {
 186        git_blobdiff_plain();
 187        exit;
 188} elsif ($action eq "commitdiff") {
 189        git_commitdiff();
 190        exit;
 191} elsif ($action eq "commitdiff_plain") {
 192        git_commitdiff_plain();
 193        exit;
 194} elsif ($action eq "history") {
 195        git_history();
 196        exit;
 197} elsif ($action eq "search") {
 198        git_search();
 199        exit;
 200} elsif ($action eq "shortlog") {
 201        git_shortlog();
 202        exit;
 203} elsif ($action eq "tag") {
 204        git_tag();
 205        exit;
 206} elsif ($action eq "blame") {
 207        git_blame();
 208        exit;
 209} else {
 210        undef $action;
 211        die_error(undef, "Unknown action.");
 212        exit;
 213}
 214
 215# quote unsafe chars, but keep the slash, even when it's not
 216# correct, but quoted slashes look too horrible in bookmarks
 217sub esc_param {
 218        my $str = shift;
 219        $str =~ s/([^A-Za-z0-9\-_.~();\/;?:@&=])/sprintf("%%%02X", ord($1))/eg;
 220        $str =~ s/\+/%2B/g;
 221        $str =~ s/ /\+/g;
 222        return $str;
 223}
 224
 225# replace invalid utf8 character with SUBSTITUTION sequence
 226sub esc_html {
 227        my $str = shift;
 228        $str = decode("utf8", $str, Encode::FB_DEFAULT);
 229        $str = escapeHTML($str);
 230        return $str;
 231}
 232
 233# git may return quoted and escaped filenames
 234sub unquote {
 235        my $str = shift;
 236        if ($str =~ m/^"(.*)"$/) {
 237                $str = $1;
 238                $str =~ s/\\([0-7]{1,3})/chr(oct($1))/eg;
 239        }
 240        return $str;
 241}
 242
 243sub git_header_html {
 244        my $status = shift || "200 OK";
 245        my $expires = shift;
 246
 247        my $title = "git";
 248        if (defined $project) {
 249                $title .= " - $project";
 250                if (defined $action) {
 251                        $title .= "/$action";
 252                }
 253        }
 254        print $cgi->header(-type=>'text/html',  -charset => 'utf-8', -status=> $status, -expires => $expires);
 255        print <<EOF;
 256<?xml version="1.0" encoding="utf-8"?>
 257<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
 258<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US" lang="en-US">
 259<!-- git web interface v$version, (C) 2005-2006, Kay Sievers <kay.sievers\@vrfy.org>, Christian Gierke -->
 260<head>
 261<meta http-equiv="content-type" content="text/html; charset=utf-8"/>
 262<meta name="robots" content="index, nofollow"/>
 263<title>$title</title>
 264$rss_link
 265<style type="text/css">
 266body {
 267        font-family: sans-serif; font-size: 12px; border:solid #d9d8d1; border-width:1px;
 268        margin:10px; background-color:#ffffff; color:#000000;
 269}
 270a { color:#0000cc; }
 271a:hover, a:visited, a:active { color:#880000; }
 272div.page_header { height:25px; padding:8px; font-size:18px; font-weight:bold; background-color:#d9d8d1; }
 273div.page_header a:visited, a.header { color:#0000cc; }
 274div.page_header a:hover { color:#880000; }
 275div.page_nav { padding:8px; }
 276div.page_nav a:visited { color:#0000cc; }
 277div.page_path { padding:8px; border:solid #d9d8d1; border-width:0px 0px 1px}
 278div.page_footer { height:17px; padding:4px 8px; background-color: #d9d8d1; }
 279div.page_footer_text { float:left; color:#555555; font-style:italic; }
 280div.page_body { padding:8px; }
 281div.title, a.title {
 282        display:block; padding:6px 8px;
 283        font-weight:bold; background-color:#edece6; text-decoration:none; color:#000000;
 284}
 285a.title:hover { background-color: #d9d8d1; }
 286div.title_text { padding:6px 0px; border: solid #d9d8d1; border-width:0px 0px 1px; }
 287div.log_body { padding:8px 8px 8px 150px; }
 288span.age { position:relative; float:left; width:142px; font-style:italic; }
 289div.log_link {
 290        padding:0px 8px;
 291        font-size:10px; font-family:sans-serif; font-style:normal;
 292        position:relative; float:left; width:136px;
 293}
 294div.list_head { padding:6px 8px 4px; border:solid #d9d8d1; border-width:1px 0px 0px; font-style:italic; }
 295a.list { text-decoration:none; color:#000000; }
 296a.list:hover { text-decoration:underline; color:#880000; }
 297a.text { text-decoration:none; color:#0000cc; }
 298a.text:visited { text-decoration:none; color:#880000; }
 299a.text:hover { text-decoration:underline; color:#880000; }
 300table { padding:8px 4px; }
 301th { padding:2px 5px; font-size:12px; text-align:left; }
 302tr.light:hover { background-color:#edece6; }
 303tr.dark { background-color:#f6f6f0; }
 304tr.dark:hover { background-color:#edece6; }
 305td { padding:2px 5px; font-size:12px; vertical-align:top; }
 306td.link { padding:2px 5px; font-family:sans-serif; font-size:10px; }
 307div.pre { font-family:monospace; font-size:12px; white-space:pre; }
 308div.diff_info { font-family:monospace; color:#000099; background-color:#edece6; font-style:italic; }
 309div.index_include { border:solid #d9d8d1; border-width:0px 0px 1px; padding:12px 8px; }
 310div.search { margin:4px 8px; position:absolute; top:56px; right:12px }
 311a.linenr { color:#999999; text-decoration:none }
 312a.rss_logo {
 313        float:right; padding:3px 0px; width:35px; line-height:10px;
 314        border:1px solid; border-color:#fcc7a5 #7d3302 #3e1a01 #ff954e;
 315        color:#ffffff; background-color:#ff6600;
 316        font-weight:bold; font-family:sans-serif; font-size:10px;
 317        text-align:center; text-decoration:none;
 318}
 319a.rss_logo:hover { background-color:#ee5500; }
 320span.tag {
 321        padding:0px 4px; font-size:10px; font-weight:normal;
 322        background-color:#ffffaa; border:1px solid; border-color:#ffffcc #ffee00 #ffee00 #ffffcc;
 323}
 324</style>
 325</head>
 326<body>
 327EOF
 328        print "<div class=\"page_header\">\n" .
 329              "<a href=\"http://www.kernel.org/pub/software/scm/git/docs/\" title=\"git documentation\">" .
 330              "<img src=\"$my_uri?" . esc_param("a=git-logo.png") . "\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/>" .
 331              "</a>\n";
 332        print $cgi->a({-href => esc_param($home_link)}, "projects") . " / ";
 333        if (defined $project) {
 334                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, esc_html($project));
 335                if (defined $action) {
 336                        print " / $action";
 337                }
 338                print "\n";
 339                if (!defined $searchtext) {
 340                        $searchtext = "";
 341                }
 342                my $search_hash;
 343                if (defined $hash) {
 344                        $search_hash = $hash;
 345                } else {
 346                        $search_hash  = "HEAD";
 347                }
 348                $cgi->param("a", "search");
 349                $cgi->param("h", $search_hash);
 350                print $cgi->startform(-method => "get", -action => $my_uri) .
 351                      "<div class=\"search\">\n" .
 352                      $cgi->hidden(-name => "p") . "\n" .
 353                      $cgi->hidden(-name => "a") . "\n" .
 354                      $cgi->hidden(-name => "h") . "\n" .
 355                      $cgi->textfield(-name => "s", -value => $searchtext) . "\n" .
 356                      "</div>" .
 357                      $cgi->end_form() . "\n";
 358        }
 359        print "</div>\n";
 360}
 361
 362sub git_footer_html {
 363        print "<div class=\"page_footer\">\n";
 364        if (defined $project) {
 365                my $descr = git_read_description($project);
 366                if (defined $descr) {
 367                        print "<div class=\"page_footer_text\">" . esc_html($descr) . "</div>\n";
 368                }
 369                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=rss"), -class => "rss_logo"}, "RSS") . "\n";
 370        } else {
 371                print $cgi->a({-href => "$my_uri?" . esc_param("a=opml"), -class => "rss_logo"}, "OPML") . "\n";
 372        }
 373        print "</div>\n" .
 374              "</body>\n" .
 375              "</html>";
 376}
 377
 378sub die_error {
 379        my $status = shift || "403 Forbidden";
 380        my $error = shift || "Malformed query, file missing or permission denied"; 
 381
 382        git_header_html($status);
 383        print "<div class=\"page_body\">\n" .
 384              "<br/><br/>\n" .
 385              "$status - $error\n" .
 386              "<br/>\n" .
 387              "</div>\n";
 388        git_footer_html();
 389        exit;
 390}
 391
 392sub git_get_type {
 393        my $hash = shift;
 394
 395        open my $fd, "-|", "$gitbin/git-cat-file -t $hash" or return;
 396        my $type = <$fd>;
 397        close $fd or return;
 398        chomp $type;
 399        return $type;
 400}
 401
 402sub git_read_head {
 403        my $project = shift;
 404        my $oENV = $ENV{'GIT_DIR'};
 405        my $retval = undef;
 406        $ENV{'GIT_DIR'} = "$projectroot/$project";
 407        if (open my $fd, "-|", "$gitbin/git-rev-parse", "--verify", "HEAD") {
 408                my $head = <$fd>;
 409                close $fd;
 410                if (defined $head && $head =~ /^([0-9a-fA-F]{40})$/) {
 411                        $retval = $1;
 412                }
 413        }
 414        if (defined $oENV) {
 415                $ENV{'GIT_DIR'} = $oENV;
 416        }
 417        return $retval;
 418}
 419
 420sub git_read_hash {
 421        my $path = shift;
 422
 423        open my $fd, "$projectroot/$path" or return undef;
 424        my $head = <$fd>;
 425        close $fd;
 426        chomp $head;
 427        if ($head =~ m/^[0-9a-fA-F]{40}$/) {
 428                return $head;
 429        }
 430}
 431
 432sub git_read_description {
 433        my $path = shift;
 434
 435        open my $fd, "$projectroot/$path/description" or return undef;
 436        my $descr = <$fd>;
 437        close $fd;
 438        chomp $descr;
 439        return $descr;
 440}
 441
 442sub git_read_tag {
 443        my $tag_id = shift;
 444        my %tag;
 445        my @comment;
 446
 447        open my $fd, "-|", "$gitbin/git-cat-file tag $tag_id" or return;
 448        $tag{'id'} = $tag_id;
 449        while (my $line = <$fd>) {
 450                chomp $line;
 451                if ($line =~ m/^object ([0-9a-fA-F]{40})$/) {
 452                        $tag{'object'} = $1;
 453                } elsif ($line =~ m/^type (.+)$/) {
 454                        $tag{'type'} = $1;
 455                } elsif ($line =~ m/^tag (.+)$/) {
 456                        $tag{'name'} = $1;
 457                } elsif ($line =~ m/^tagger (.*) ([0-9]+) (.*)$/) {
 458                        $tag{'author'} = $1;
 459                        $tag{'epoch'} = $2;
 460                        $tag{'tz'} = $3;
 461                } elsif ($line =~ m/--BEGIN/) {
 462                        push @comment, $line;
 463                        last;
 464                } elsif ($line eq "") {
 465                        last;
 466                }
 467        }
 468        push @comment, <$fd>;
 469        $tag{'comment'} = \@comment;
 470        close $fd or return;
 471        if (!defined $tag{'name'}) {
 472                return
 473        };
 474        return %tag
 475}
 476
 477sub age_string {
 478        my $age = shift;
 479        my $age_str;
 480
 481        if ($age > 60*60*24*365*2) {
 482                $age_str = (int $age/60/60/24/365);
 483                $age_str .= " years ago";
 484        } elsif ($age > 60*60*24*(365/12)*2) {
 485                $age_str = int $age/60/60/24/(365/12);
 486                $age_str .= " months ago";
 487        } elsif ($age > 60*60*24*7*2) {
 488                $age_str = int $age/60/60/24/7;
 489                $age_str .= " weeks ago";
 490        } elsif ($age > 60*60*24*2) {
 491                $age_str = int $age/60/60/24;
 492                $age_str .= " days ago";
 493        } elsif ($age > 60*60*2) {
 494                $age_str = int $age/60/60;
 495                $age_str .= " hours ago";
 496        } elsif ($age > 60*2) {
 497                $age_str = int $age/60;
 498                $age_str .= " min ago";
 499        } elsif ($age > 2) {
 500                $age_str = int $age;
 501                $age_str .= " sec ago";
 502        } else {
 503                $age_str .= " right now";
 504        }
 505        return $age_str;
 506}
 507
 508sub git_read_commit {
 509        my $commit_id = shift;
 510        my $commit_text = shift;
 511
 512        my @commit_lines;
 513        my %co;
 514
 515        if (defined $commit_text) {
 516                @commit_lines = @$commit_text;
 517        } else {
 518                $/ = "\0";
 519                open my $fd, "-|", "$gitbin/git-rev-list --header --parents --max-count=1 $commit_id" or return;
 520                @commit_lines = split '\n', <$fd>;
 521                close $fd or return;
 522                $/ = "\n";
 523                pop @commit_lines;
 524        }
 525        my $header = shift @commit_lines;
 526        if (!($header =~ m/^[0-9a-fA-F]{40}/)) {
 527                return;
 528        }
 529        ($co{'id'}, my @parents) = split ' ', $header;
 530        $co{'parents'} = \@parents;
 531        $co{'parent'} = $parents[0];
 532        while (my $line = shift @commit_lines) {
 533                last if $line eq "\n";
 534                if ($line =~ m/^tree ([0-9a-fA-F]{40})$/) {
 535                        $co{'tree'} = $1;
 536                } elsif ($line =~ m/^author (.*) ([0-9]+) (.*)$/) {
 537                        $co{'author'} = $1;
 538                        $co{'author_epoch'} = $2;
 539                        $co{'author_tz'} = $3;
 540                        if ($co{'author'} =~ m/^([^<]+) </) {
 541                                $co{'author_name'} = $1;
 542                        } else {
 543                                $co{'author_name'} = $co{'author'};
 544                        }
 545                } elsif ($line =~ m/^committer (.*) ([0-9]+) (.*)$/) {
 546                        $co{'committer'} = $1;
 547                        $co{'committer_epoch'} = $2;
 548                        $co{'committer_tz'} = $3;
 549                        $co{'committer_name'} = $co{'committer'};
 550                        $co{'committer_name'} =~ s/ <.*//;
 551                }
 552        }
 553        if (!defined $co{'tree'}) {
 554                return;
 555        };
 556
 557        foreach my $title (@commit_lines) {
 558                $title =~ s/^    //;
 559                if ($title ne "") {
 560                        $co{'title'} = chop_str($title, 80, 5);
 561                        # remove leading stuff of merges to make the interesting part visible
 562                        if (length($title) > 50) {
 563                                $title =~ s/^Automatic //;
 564                                $title =~ s/^merge (of|with) /Merge ... /i;
 565                                if (length($title) > 50) {
 566                                        $title =~ s/(http|rsync):\/\///;
 567                                }
 568                                if (length($title) > 50) {
 569                                        $title =~ s/(master|www|rsync)\.//;
 570                                }
 571                                if (length($title) > 50) {
 572                                        $title =~ s/kernel.org:?//;
 573                                }
 574                                if (length($title) > 50) {
 575                                        $title =~ s/\/pub\/scm//;
 576                                }
 577                        }
 578                        $co{'title_short'} = chop_str($title, 50, 5);
 579                        last;
 580                }
 581        }
 582        # remove added spaces
 583        foreach my $line (@commit_lines) {
 584                $line =~ s/^    //;
 585        }
 586        $co{'comment'} = \@commit_lines;
 587
 588        my $age = time - $co{'committer_epoch'};
 589        $co{'age'} = $age;
 590        $co{'age_string'} = age_string($age);
 591        my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($co{'committer_epoch'});
 592        if ($age > 60*60*24*7*2) {
 593                $co{'age_string_date'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
 594                $co{'age_string_age'} = $co{'age_string'};
 595        } else {
 596                $co{'age_string_date'} = $co{'age_string'};
 597                $co{'age_string_age'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
 598        }
 599        return %co;
 600}
 601
 602sub git_diff_print {
 603        my $from = shift;
 604        my $from_name = shift;
 605        my $to = shift;
 606        my $to_name = shift;
 607        my $format = shift || "html";
 608
 609        my $from_tmp = "/dev/null";
 610        my $to_tmp = "/dev/null";
 611        my $pid = $$;
 612
 613        # create tmp from-file
 614        if (defined $from) {
 615                $from_tmp = "$git_temp/gitweb_" . $$ . "_from";
 616                open my $fd2, "> $from_tmp";
 617                open my $fd, "-|", "$gitbin/git-cat-file blob $from";
 618                my @file = <$fd>;
 619                print $fd2 @file;
 620                close $fd2;
 621                close $fd;
 622        }
 623
 624        # create tmp to-file
 625        if (defined $to) {
 626                $to_tmp = "$git_temp/gitweb_" . $$ . "_to";
 627                open my $fd2, "> $to_tmp";
 628                open my $fd, "-|", "$gitbin/git-cat-file blob $to";
 629                my @file = <$fd>;
 630                print $fd2 @file;
 631                close $fd2;
 632                close $fd;
 633        }
 634
 635        open my $fd, "-|", "/usr/bin/diff -u -p -L \'$from_name\' -L \'$to_name\' $from_tmp $to_tmp";
 636        if ($format eq "plain") {
 637                undef $/;
 638                print <$fd>;
 639                $/ = "\n";
 640        } else {
 641                while (my $line = <$fd>) {
 642                        chomp($line);
 643                        my $char = substr($line, 0, 1);
 644                        my $color = "";
 645                        if ($char eq '+') {
 646                                $color = " style=\"color:#008800;\"";
 647                        } elsif ($char eq "-") {
 648                                $color = " style=\"color:#cc0000;\"";
 649                        } elsif ($char eq "@") {
 650                                $color = " style=\"color:#990099;\"";
 651                        } elsif ($char eq "\\") {
 652                                # skip errors
 653                                next;
 654                        }
 655                        while ((my $pos = index($line, "\t")) != -1) {
 656                                if (my $count = (8 - (($pos-1) % 8))) {
 657                                        my $spaces = ' ' x $count;
 658                                        $line =~ s/\t/$spaces/;
 659                                }
 660                        }
 661                        print "<div class=\"pre\"$color>" . esc_html($line) . "</div>\n";
 662                }
 663        }
 664        close $fd;
 665
 666        if (defined $from) {
 667                unlink($from_tmp);
 668        }
 669        if (defined $to) {
 670                unlink($to_tmp);
 671        }
 672}
 673
 674sub mode_str {
 675        my $mode = oct shift;
 676
 677        if (S_ISDIR($mode & S_IFMT)) {
 678                return 'drwxr-xr-x';
 679        } elsif (S_ISLNK($mode)) {
 680                return 'lrwxrwxrwx';
 681        } elsif (S_ISREG($mode)) {
 682                # git cares only about the executable bit
 683                if ($mode & S_IXUSR) {
 684                        return '-rwxr-xr-x';
 685                } else {
 686                        return '-rw-r--r--';
 687                };
 688        } else {
 689                return '----------';
 690        }
 691}
 692
 693sub chop_str {
 694        my $str = shift;
 695        my $len = shift;
 696        my $add_len = shift || 10;
 697
 698        # allow only $len chars, but don't cut a word if it would fit in $add_len
 699        # if it doesn't fit, cut it if it's still longer than the dots we would add
 700        $str =~ m/^(.{0,$len}[^ \/\-_:\.@]{0,$add_len})(.*)/;
 701        my $body = $1;
 702        my $tail = $2;
 703        if (length($tail) > 4) {
 704                $tail = " ...";
 705        }
 706        return "$body$tail";
 707}
 708
 709sub file_type {
 710        my $mode = oct shift;
 711
 712        if (S_ISDIR($mode & S_IFMT)) {
 713                return "directory";
 714        } elsif (S_ISLNK($mode)) {
 715                return "symlink";
 716        } elsif (S_ISREG($mode)) {
 717                return "file";
 718        } else {
 719                return "unknown";
 720        }
 721}
 722
 723sub format_log_line_html {
 724        my $line = shift;
 725
 726        $line = esc_html($line);
 727        $line =~ s/ /&nbsp;/g;
 728        if ($line =~ m/([0-9a-fA-F]{40})/) {
 729                my $hash_text = $1;
 730                if (git_get_type($hash_text) eq "commit") {
 731                        my $link = $cgi->a({-class => "text", -href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_text")}, $hash_text);
 732                        $line =~ s/$hash_text/$link/;
 733                }
 734        }
 735        return $line;
 736}
 737
 738sub date_str {
 739        my $epoch = shift;
 740        my $tz = shift || "-0000";
 741
 742        my %date;
 743        my @months = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
 744        my @days = ("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat");
 745        my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($epoch);
 746        $date{'hour'} = $hour;
 747        $date{'minute'} = $min;
 748        $date{'mday'} = $mday;
 749        $date{'day'} = $days[$wday];
 750        $date{'month'} = $months[$mon];
 751        $date{'rfc2822'} = sprintf "%s, %d %s %4d %02d:%02d:%02d +0000", $days[$wday], $mday, $months[$mon], 1900+$year, $hour ,$min, $sec;
 752        $date{'mday-time'} = sprintf "%d %s %02d:%02d", $mday, $months[$mon], $hour ,$min;
 753
 754        $tz =~ m/^([+\-][0-9][0-9])([0-9][0-9])$/;
 755        my $local = $epoch + ((int $1 + ($2/60)) * 3600);
 756        ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($local);
 757        $date{'hour_local'} = $hour;
 758        $date{'minute_local'} = $min;
 759        $date{'tz_local'} = $tz;
 760        return %date;
 761}
 762
 763# git-logo (cached in browser for one day)
 764sub git_logo {
 765        binmode STDOUT, ':raw';
 766        print $cgi->header(-type => 'image/png', -expires => '+1d');
 767        # cat git-logo.png | hexdump -e '16/1 " %02x"  "\n"' | sed 's/ /\\x/g'
 768        print   "\x89\x50\x4e\x47\x0d\x0a\x1a\x0a\x00\x00\x00\x0d\x49\x48\x44\x52" .
 769                "\x00\x00\x00\x48\x00\x00\x00\x1b\x04\x03\x00\x00\x00\x2d\xd9\xd4" .
 770                "\x2d\x00\x00\x00\x18\x50\x4c\x54\x45\xff\xff\xff\x60\x60\x5d\xb0" .
 771                "\xaf\xaa\x00\x80\x00\xce\xcd\xc7\xc0\x00\x00\xe8\xe8\xe6\xf7\xf7" .
 772                "\xf6\x95\x0c\xa7\x47\x00\x00\x00\x73\x49\x44\x41\x54\x28\xcf\x63" .
 773                "\x48\x67\x20\x04\x4a\x5c\x18\x0a\x08\x2a\x62\x53\x61\x20\x02\x08" .
 774                "\x0d\x69\x45\xac\xa1\xa1\x01\x30\x0c\x93\x60\x36\x26\x52\x91\xb1" .
 775                "\x01\x11\xd6\xe1\x55\x64\x6c\x6c\xcc\x6c\x6c\x0c\xa2\x0c\x70\x2a" .
 776                "\x62\x06\x2a\xc1\x62\x1d\xb3\x01\x02\x53\xa4\x08\xe8\x00\x03\x18" .
 777                "\x26\x56\x11\xd4\xe1\x20\x97\x1b\xe0\xb4\x0e\x35\x24\x71\x29\x82" .
 778                "\x99\x30\xb8\x93\x0a\x11\xb9\x45\x88\xc1\x8d\xa0\xa2\x44\x21\x06" .
 779                "\x27\x41\x82\x40\x85\xc1\x45\x89\x20\x70\x01\x00\xa4\x3d\x21\xc5" .
 780                "\x12\x1c\x9a\xfe\x00\x00\x00\x00\x49\x45\x4e\x44\xae\x42\x60\x82";
 781}
 782
 783sub get_file_owner {
 784        my $path = shift;
 785
 786        my ($dev, $ino, $mode, $nlink, $st_uid, $st_gid, $rdev, $size) = stat($path);
 787        my ($name, $passwd, $uid, $gid, $quota, $comment, $gcos, $dir, $shell) = getpwuid($st_uid);
 788        if (!defined $gcos) {
 789                return undef;
 790        }
 791        my $owner = $gcos;
 792        $owner =~ s/[,;].*$//;
 793        return decode("utf8", $owner, Encode::FB_DEFAULT);
 794}
 795
 796sub git_read_projects {
 797        my @list;
 798
 799        if (-d $projects_list) {
 800                # search in directory
 801                my $dir = $projects_list;
 802                opendir my $dh, $dir or return undef;
 803                while (my $dir = readdir($dh)) {
 804                        if (-e "$projectroot/$dir/HEAD") {
 805                                my $pr = {
 806                                        path => $dir,
 807                                };
 808                                push @list, $pr
 809                        }
 810                }
 811                closedir($dh);
 812        } elsif (-f $projects_list) {
 813                # read from file(url-encoded):
 814                # 'git%2Fgit.git Linus+Torvalds'
 815                # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
 816                # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
 817                open my $fd , $projects_list or return undef;
 818                while (my $line = <$fd>) {
 819                        chomp $line;
 820                        my ($path, $owner) = split ' ', $line;
 821                        $path = unescape($path);
 822                        $owner = unescape($owner);
 823                        if (!defined $path) {
 824                                next;
 825                        }
 826                        if (-e "$projectroot/$path/HEAD") {
 827                                my $pr = {
 828                                        path => $path,
 829                                        owner => decode("utf8", $owner, Encode::FB_DEFAULT),
 830                                };
 831                                push @list, $pr
 832                        }
 833                }
 834                close $fd;
 835        }
 836        @list = sort {$a->{'path'} cmp $b->{'path'}} @list;
 837        return @list;
 838}
 839
 840sub git_project_list {
 841        my @list = git_read_projects();
 842        my @projects;
 843        if (!@list) {
 844                die_error(undef, "No project found.");
 845        }
 846        foreach my $pr (@list) {
 847                my $head = git_read_head($pr->{'path'});
 848                if (!defined $head) {
 849                        next;
 850                }
 851                $ENV{'GIT_DIR'} = "$projectroot/$pr->{'path'}";
 852                my %co = git_read_commit($head);
 853                if (!%co) {
 854                        next;
 855                }
 856                $pr->{'commit'} = \%co;
 857                if (!defined $pr->{'descr'}) {
 858                        my $descr = git_read_description($pr->{'path'}) || "";
 859                        $pr->{'descr'} = chop_str($descr, 25, 5);
 860                }
 861                if (!defined $pr->{'owner'}) {
 862                        $pr->{'owner'} = get_file_owner("$projectroot/$pr->{'path'}") || "";
 863                }
 864                push @projects, $pr;
 865        }
 866        git_header_html();
 867        if (-f $home_text) {
 868                print "<div class=\"index_include\">\n";
 869                open (my $fd, $home_text);
 870                print <$fd>;
 871                close $fd;
 872                print "</div>\n";
 873        }
 874        print "<table cellspacing=\"0\">\n" .
 875              "<tr>\n";
 876        if (!defined($order) || (defined($order) && ($order eq "project"))) {
 877                @projects = sort {$a->{'path'} cmp $b->{'path'}} @projects;
 878                print "<th>Project</th>\n";
 879        } else {
 880                print "<th>" . $cgi->a({-class => "header", -href => "$my_uri?" . esc_param("o=project")}, "Project") . "</th>\n";
 881        }
 882        if (defined($order) && ($order eq "descr")) {
 883                @projects = sort {$a->{'descr'} cmp $b->{'descr'}} @projects;
 884                print "<th>Description</th>\n";
 885        } else {
 886                print "<th>" . $cgi->a({-class => "header", -href => "$my_uri?" . esc_param("o=descr")}, "Description") . "</th>\n";
 887        }
 888        if (defined($order) && ($order eq "owner")) {
 889                @projects = sort {$a->{'owner'} cmp $b->{'owner'}} @projects;
 890                print "<th>Owner</th>\n";
 891        } else {
 892                print "<th>" . $cgi->a({-class => "header", -href => "$my_uri?" . esc_param("o=owner")}, "Owner") . "</th>\n";
 893        }
 894        if (defined($order) && ($order eq "age")) {
 895                @projects = sort {$a->{'commit'}{'age'} <=> $b->{'commit'}{'age'}} @projects;
 896                print "<th>Last Change</th>\n";
 897        } else {
 898                print "<th>" . $cgi->a({-class => "header", -href => "$my_uri?" . esc_param("o=age")}, "Last Change") . "</th>\n";
 899        }
 900        print "<th></th>\n" .
 901              "</tr>\n";
 902        my $alternate = 0;
 903        foreach my $pr (@projects) {
 904                if ($alternate) {
 905                        print "<tr class=\"dark\">\n";
 906                } else {
 907                        print "<tr class=\"light\">\n";
 908                }
 909                $alternate ^= 1;
 910                print "<td>" . $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=summary"), -class => "list"}, esc_html($pr->{'path'})) . "</td>\n" .
 911                      "<td>$pr->{'descr'}</td>\n" .
 912                      "<td><i>" . chop_str($pr->{'owner'}, 15) . "</i></td>\n";
 913                my $colored_age;
 914                if ($pr->{'commit'}{'age'} < 60*60*2) {
 915                        $colored_age = "<span style =\"color: #009900;\"><b><i>$pr->{'commit'}{'age_string'}</i></b></span>";
 916                } elsif ($pr->{'commit'}{'age'} < 60*60*24*2) {
 917                        $colored_age = "<span style =\"color: #009900;\"><i>$pr->{'commit'}{'age_string'}</i></span>";
 918                } else {
 919                        $colored_age = "<i>$pr->{'commit'}{'age_string'}</i>";
 920                }
 921                print "<td>$colored_age</td>\n" .
 922                      "<td class=\"link\">" .
 923                      $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=summary")}, "summary") .
 924                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=shortlog")}, "shortlog") .
 925                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=log")}, "log") .
 926                      "</td>\n" .
 927                      "</tr>\n";
 928        }
 929        print "</table>\n";
 930        git_footer_html();
 931}
 932
 933sub read_info_ref {
 934        my $type = shift || "";
 935        my %refs;
 936        # 5dc01c595e6c6ec9ccda4f6f69c131c0dd945f8c      refs/tags/v2.6.11
 937        # c39ae07f393806ccf406ef966e9a15afc43cc36a      refs/tags/v2.6.11^{}
 938        open my $fd, "$projectroot/$project/info/refs" or return;
 939        while (my $line = <$fd>) {
 940                chomp($line);
 941                if ($line =~ m/^([0-9a-fA-F]{40})\t.*$type\/([^\^]+)/) {
 942                        if (defined $refs{$1}) {
 943                                $refs{$1} .= " / $2";
 944                        } else {
 945                                $refs{$1} = $2;
 946                        }
 947                }
 948        }
 949        close $fd or return;
 950        return \%refs;
 951}
 952
 953sub git_read_refs {
 954        my $ref_dir = shift;
 955        my @reflist;
 956
 957        my @refs;
 958        opendir my $dh, "$projectroot/$project/$ref_dir";
 959        while (my $dir = readdir($dh)) {
 960                if ($dir =~ m/^\./) {
 961                        next;
 962                }
 963                if (-d "$projectroot/$project/$ref_dir/$dir") {
 964                        opendir my $dh2, "$projectroot/$project/$ref_dir/$dir";
 965                        my @subdirs = grep !m/^\./, readdir $dh2;
 966                        closedir($dh2);
 967                        foreach my $subdir (@subdirs) {
 968                                push @refs, "$dir/$subdir"
 969                        }
 970                        next;
 971                }
 972                push @refs, $dir;
 973        }
 974        closedir($dh);
 975        foreach my $ref_file (@refs) {
 976                my $ref_id = git_read_hash("$project/$ref_dir/$ref_file");
 977                my $type = git_get_type($ref_id) || next;
 978                my %ref_item;
 979                my %co;
 980                $ref_item{'type'} = $type;
 981                $ref_item{'id'} = $ref_id;
 982                $ref_item{'epoch'} = 0;
 983                $ref_item{'age'} = "unknown";
 984                if ($type eq "tag") {
 985                        my %tag = git_read_tag($ref_id);
 986                        $ref_item{'comment'} = $tag{'comment'};
 987                        if ($tag{'type'} eq "commit") {
 988                                %co = git_read_commit($tag{'object'});
 989                                $ref_item{'epoch'} = $co{'committer_epoch'};
 990                                $ref_item{'age'} = $co{'age_string'};
 991                        } elsif (defined($tag{'epoch'})) {
 992                                my $age = time - $tag{'epoch'};
 993                                $ref_item{'epoch'} = $tag{'epoch'};
 994                                $ref_item{'age'} = age_string($age);
 995                        }
 996                        $ref_item{'reftype'} = $tag{'type'};
 997                        $ref_item{'name'} = $tag{'name'};
 998                        $ref_item{'refid'} = $tag{'object'};
 999                } elsif ($type eq "commit"){
1000                        %co = git_read_commit($ref_id);
1001                        $ref_item{'reftype'} = "commit";
1002                        $ref_item{'name'} = $ref_file;
1003                        $ref_item{'title'} = $co{'title'};
1004                        $ref_item{'refid'} = $ref_id;
1005                        $ref_item{'epoch'} = $co{'committer_epoch'};
1006                        $ref_item{'age'} = $co{'age_string'};
1007                }
1008
1009                push @reflist, \%ref_item;
1010        }
1011        # sort tags by age
1012        @reflist = sort {$b->{'epoch'} <=> $a->{'epoch'}} @reflist;
1013        return \@reflist;
1014}
1015
1016sub git_summary {
1017        my $descr = git_read_description($project) || "none";
1018        my $head = git_read_head($project);
1019        my %co = git_read_commit($head);
1020        my %cd = date_str($co{'committer_epoch'}, $co{'committer_tz'});
1021
1022        my $owner;
1023        if (-f $projects_list) {
1024                open (my $fd , $projects_list);
1025                while (my $line = <$fd>) {
1026                        chomp $line;
1027                        my ($pr, $ow) = split ' ', $line;
1028                        $pr = unescape($pr);
1029                        $ow = unescape($ow);
1030                        if ($pr eq $project) {
1031                                $owner = decode("utf8", $ow, Encode::FB_DEFAULT);
1032                                last;
1033                        }
1034                }
1035                close $fd;
1036        }
1037        if (!defined $owner) {
1038                $owner = get_file_owner("$projectroot/$project");
1039        }
1040
1041        my $refs = read_info_ref();
1042        git_header_html();
1043        print "<div class=\"page_nav\">\n" .
1044              "summary".
1045              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
1046              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
1047              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$head")}, "commit") .
1048              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$head")}, "commitdiff") .
1049              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree")}, "tree") .
1050              "<br/><br/>\n" .
1051              "</div>\n";
1052        print "<div class=\"title\">&nbsp;</div>\n";
1053        print "<table cellspacing=\"0\">\n" .
1054              "<tr><td>description</td><td>" . esc_html($descr) . "</td></tr>\n" .
1055              "<tr><td>owner</td><td>$owner</td></tr>\n" .
1056              "<tr><td>last change</td><td>$cd{'rfc2822'}</td></tr>\n" .
1057              "</table>\n";
1058        open my $fd, "-|", "$gitbin/git-rev-list --max-count=17 " . git_read_head($project) or die_error(undef, "Open failed.");
1059        my (@revlist) = map { chomp; $_ } <$fd>;
1060        close $fd;
1061        print "<div>\n" .
1062              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog"), -class => "title"}, "shortlog") .
1063              "</div>\n";
1064        my $i = 16;
1065        print "<table cellspacing=\"0\">\n";
1066        my $alternate = 0;
1067        foreach my $commit (@revlist) {
1068                my %co = git_read_commit($commit);
1069                my %ad = date_str($co{'author_epoch'});
1070                if ($alternate) {
1071                        print "<tr class=\"dark\">\n";
1072                } else {
1073                        print "<tr class=\"light\">\n";
1074                }
1075                $alternate ^= 1;
1076                if ($i-- > 0) {
1077                        my $ref = "";
1078                        if (defined $refs->{$commit}) {
1079                                $ref = " <span class=\"tag\">" . esc_html($refs->{$commit}) . "</span>";
1080                        }
1081                        print "<td><i>$co{'age_string'}</i></td>\n" .
1082                              "<td><i>" . esc_html(chop_str($co{'author_name'}, 10)) . "</i></td>\n" .
1083                              "<td>";
1084                        if (length($co{'title_short'}) < length($co{'title'})) {
1085                                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "list", -title => "$co{'title'}"},
1086                                      "<b>" . esc_html($co{'title_short'}) . "$ref</b>");
1087                        } else {
1088                                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "list"},
1089                                      "<b>" . esc_html($co{'title'}) . "$ref</b>");
1090                        }
1091                        print "</td>\n" .
1092                              "<td class=\"link\">" .
1093                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit")}, "commit") .
1094                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
1095                              "</td>\n" .
1096                              "</tr>";
1097                } else {
1098                        print "<td>" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "...") . "</td>\n" .
1099                        "</tr>";
1100                        last;
1101                }
1102        }
1103        print "</table\n>";
1104
1105        my $taglist = git_read_refs("refs/tags");
1106        if (defined @$taglist) {
1107                print "<div>\n" .
1108                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tags"), -class => "title"}, "tags") .
1109                      "</div>\n";
1110                my $i = 16;
1111                print "<table cellspacing=\"0\">\n";
1112                my $alternate = 0;
1113                foreach my $entry (@$taglist) {
1114                        my %tag = %$entry;
1115                        my $comment_lines = $tag{'comment'};
1116                        my $comment = shift @$comment_lines;
1117                        if (defined($comment)) {
1118                                $comment = chop_str($comment, 30, 5);
1119                        }
1120                        if ($alternate) {
1121                                print "<tr class=\"dark\">\n";
1122                        } else {
1123                                print "<tr class=\"light\">\n";
1124                        }
1125                        $alternate ^= 1;
1126                        if ($i-- > 0) {
1127                                print "<td><i>$tag{'age'}</i></td>\n" .
1128                                      "<td>" .
1129                                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'reftype'};h=$tag{'refid'}"), -class => "list"},
1130                                      "<b>" . esc_html($tag{'name'}) . "</b>") .
1131                                      "</td>\n" .
1132                                      "<td>";
1133                                if (defined($comment)) {
1134                                      print $cgi->a({-class => "list", -href => "$my_uri?" . esc_param("p=$project;a=tag;h=$tag{'id'}")}, $comment);
1135                                }
1136                                print "</td>\n" .
1137                                      "<td class=\"link\">";
1138                                if ($tag{'type'} eq "tag") {
1139                                      print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tag;h=$tag{'id'}")}, "tag") . " | ";
1140                                }
1141                                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'reftype'};h=$tag{'refid'}")}, $tag{'reftype'});
1142                                if ($tag{'reftype'} eq "commit") {
1143                                      print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}")}, "shortlog") .
1144                                            " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$tag{'refid'}")}, "log");
1145                                }
1146                                print "</td>\n" .
1147                                      "</tr>";
1148                        } else {
1149                                print "<td>" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tags")}, "...") . "</td>\n" .
1150                                "</tr>";
1151                                last;
1152                        }
1153                }
1154                print "</table\n>";
1155        }
1156
1157        my $headlist = git_read_refs("refs/heads");
1158        if (defined @$headlist) {
1159                print "<div>\n" .
1160                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=heads"), -class => "title"}, "heads") .
1161                      "</div>\n";
1162                my $i = 16;
1163                print "<table cellspacing=\"0\">\n";
1164                my $alternate = 0;
1165                foreach my $entry (@$headlist) {
1166                        my %tag = %$entry;
1167                        if ($alternate) {
1168                                print "<tr class=\"dark\">\n";
1169                        } else {
1170                                print "<tr class=\"light\">\n";
1171                        }
1172                        $alternate ^= 1;
1173                        if ($i-- > 0) {
1174                                print "<td><i>$tag{'age'}</i></td>\n" .
1175                                      "<td>" .
1176                                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}"), -class => "list"},
1177                                      "<b>" . esc_html($tag{'name'}) . "</b>") .
1178                                      "</td>\n" .
1179                                      "<td class=\"link\">" .
1180                                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}")}, "shortlog") .
1181                                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$tag{'name'}")}, "log") .
1182                                      "</td>\n" .
1183                                      "</tr>";
1184                        } else {
1185                                print "<td>" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=heads")}, "...") . "</td>\n" .
1186                                "</tr>";
1187                                last;
1188                        }
1189                }
1190                print "</table\n>";
1191        }
1192        git_footer_html();
1193}
1194
1195sub git_tag {
1196        my $head = git_read_head($project);
1197        git_header_html();
1198        print "<div class=\"page_nav\">\n" .
1199              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1200              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
1201              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
1202              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$head")}, "commit") .
1203              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$head")}, "commitdiff") .
1204              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;hb=$head")}, "tree") . "<br/>\n" .
1205              "<br/>\n" .
1206              "</div>\n";
1207        my %tag = git_read_tag($hash);
1208        print "<div>\n" .
1209              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash"), -class => "title"}, esc_html($tag{'name'})) . "\n" .
1210              "</div>\n";
1211        print "<div class=\"title_text\">\n" .
1212              "<table cellspacing=\"0\">\n" .
1213              "<tr>\n" .
1214              "<td>object</td>\n" .
1215              "<td>" . $cgi->a({-class => "list", -href => "$my_uri?" . esc_param("p=$project;a=$tag{'type'};h=$tag{'object'}")}, $tag{'object'}) . "</td>\n" .
1216              "<td class=\"link\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'type'};h=$tag{'object'}")}, $tag{'type'}) . "</td>\n" .
1217              "</tr>\n";
1218        if (defined($tag{'author'})) {
1219                my %ad = date_str($tag{'epoch'}, $tag{'tz'});
1220                print "<tr><td>author</td><td>" . esc_html($tag{'author'}) . "</td></tr>\n";
1221                print "<tr><td></td><td>" . $ad{'rfc2822'} . sprintf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'}) . "</td></tr>\n";
1222        }
1223        print "</table>\n\n" .
1224              "</div>\n";
1225        print "<div class=\"page_body\">";
1226        my $comment = $tag{'comment'};
1227        foreach my $line (@$comment) {
1228                print esc_html($line) . "<br/>\n";
1229        }
1230        print "</div>\n";
1231        git_footer_html();
1232}
1233
1234sub git_blame {
1235        my $fd;
1236        die_error('404 Not Found', "What file will it be, master?") if (!$file_name);
1237        $hash_base ||= git_read_head($project);
1238        die_error(undef, "Reading commit failed.") unless ($hash_base);
1239        my %co = git_read_commit($hash_base)
1240                or die_error(undef, "Reading commit failed.");
1241        if (!defined $hash) {
1242                $hash = git_get_hash_by_path($hash_base, $file_name, "blob")
1243                        or die_error(undef, "Error lookup file.");
1244        }
1245        open ($fd, "-|", "$gitbin/git-annotate", '-l', '-t', '-r', $file_name, $hash_base)
1246                or die_error(undef, "Open failed.");
1247        git_header_html();
1248        print "<div class=\"page_nav\">\n" .
1249                $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1250                " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
1251                " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
1252                " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base")}, "commit") .
1253                " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash_base")}, "commitdiff") .
1254                " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash_base")}, "tree") . "<br/>\n";
1255        print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$hash;hb=$hash_base;f=$file_name")}, "blob") .
1256                " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blame;f=$file_name")}, "head") . "<br/>\n";
1257        print "</div>\n".
1258                "<div>" .
1259                $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base"), -class => "title"}, esc_html($co{'title'})) .
1260                "</div>\n";
1261        print "<div class=\"page_path\"><b>" . esc_html($file_name) . "</b></div>\n";
1262        print "<div class=\"page_body\">\n";
1263        print <<HTML;
1264<table style="border-collapse: collapse;">
1265  <tr>
1266    <th>Commit</th>
1267    <th>Age</th>
1268    <th>Author</th>
1269    <th>Line</th>
1270    <th>Data</th>
1271  </tr>
1272HTML
1273        my @line_class = (qw(light dark));
1274        my $line_class_len = scalar (@line_class);
1275        my $line_class_num = $#line_class;
1276        while (my $line = <$fd>) {
1277                my $long_rev;
1278                my $short_rev;
1279                my $author;
1280                my $time;
1281                my $lineno;
1282                my $data;
1283                my $age;
1284                my $age_str;
1285                my $age_style;
1286
1287                chomp $line;
1288                $line_class_num = ($line_class_num + 1) % $line_class_len;
1289
1290                if ($line =~ m/^([0-9a-fA-F]{40})\t\(\s*([^\t]+)\t(\d+) \+\d\d\d\d\t(\d+)\)(.*)$/) {
1291                        $long_rev = $1;
1292                        $author   = $2;
1293                        $time     = $3;
1294                        $lineno   = $4;
1295                        $data     = $5;
1296                } else {
1297                        print qq(  <tr><td colspan="5" style="color: red; background-color: yellow;">Unable to parse: $line</td></tr>\n);
1298                        next;
1299                }
1300                $short_rev  = substr ($long_rev, 0, 8);
1301                $age        = time () - $time;
1302                $age_str    = age_string ($age);
1303                $age_str    =~ s/ /&nbsp;/g;
1304                $age_style  = 'font-style: italic;';
1305                $age_style .= ' color: #009900; background: transparent;' if ($age < 60*60*24*2);
1306                $age_style .= ' font-weight: bold;' if ($age < 60*60*2);
1307                $author     = esc_html ($author);
1308                $author     =~ s/ /&nbsp;/g;
1309                # escape tabs
1310                while ((my $pos = index($data, "\t")) != -1) {
1311                        if (my $count = (8 - ($pos % 8))) {
1312                                my $spaces = ' ' x $count;
1313                                $data =~ s/\t/$spaces/;
1314                        }
1315                }
1316                $data = esc_html ($data);
1317                $data =~ s/ /&nbsp;/g;
1318
1319                print <<HTML;
1320  <tr class="$line_class[$line_class_num]">
1321    <td style="font-family: monospace;"><a href="$my_uri?${\esc_param ("p=$project;a=commit;h=$long_rev")}" class="text">$short_rev..</a></td>
1322    <td style="$age_style">$age_str</td>
1323    <td>$author</td>
1324    <td style="text-align: right;"><a id="$lineno" href="#$lineno" class="linenr">$lineno</a></td>
1325    <td style="font-family: monospace;">$data</td>
1326  </tr>
1327HTML
1328        } # while (my $line = <$fd>)
1329        print "</table>\n\n";
1330        close $fd or print "Reading blob failed.\n";
1331        print "</div>";
1332        git_footer_html();
1333}
1334
1335sub git_tags {
1336        my $head = git_read_head($project);
1337        git_header_html();
1338        print "<div class=\"page_nav\">\n" .
1339              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1340              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
1341              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
1342              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$head")}, "commit") .
1343              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$head")}, "commitdiff") .
1344              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;hb=$head")}, "tree") . "<br/>\n" .
1345              "<br/>\n" .
1346              "</div>\n";
1347        my $taglist = git_read_refs("refs/tags");
1348        print "<div>\n" .
1349              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary"), -class => "title"}, "&nbsp;") .
1350              "</div>\n";
1351        print "<table cellspacing=\"0\">\n";
1352        my $alternate = 0;
1353        if (defined @$taglist) {
1354                foreach my $entry (@$taglist) {
1355                        my %tag = %$entry;
1356                        my $comment_lines = $tag{'comment'};
1357                        my $comment = shift @$comment_lines;
1358                        if (defined($comment)) {
1359                                $comment = chop_str($comment, 30, 5);
1360                        }
1361                        if ($alternate) {
1362                                print "<tr class=\"dark\">\n";
1363                        } else {
1364                                print "<tr class=\"light\">\n";
1365                        }
1366                        $alternate ^= 1;
1367                        print "<td><i>$tag{'age'}</i></td>\n" .
1368                              "<td>" .
1369                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'reftype'};h=$tag{'refid'}"), -class => "list"},
1370                              "<b>" . esc_html($tag{'name'}) . "</b>") .
1371                              "</td>\n" .
1372                              "<td>";
1373                        if (defined($comment)) {
1374                              print $cgi->a({-class => "list", -href => "$my_uri?" . esc_param("p=$project;a=tag;h=$tag{'id'}")}, $comment);
1375                        }
1376                        print "</td>\n" .
1377                              "<td class=\"link\">";
1378                        if ($tag{'type'} eq "tag") {
1379                              print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tag;h=$tag{'id'}")}, "tag") . " | ";
1380                        }
1381                        print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'reftype'};h=$tag{'refid'}")}, $tag{'reftype'});
1382                        if ($tag{'reftype'} eq "commit") {
1383                              print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}")}, "shortlog") .
1384                                    " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$tag{'refid'}")}, "log");
1385                        }
1386                        print "</td>\n" .
1387                              "</tr>";
1388                }
1389        }
1390        print "</table\n>";
1391        git_footer_html();
1392}
1393
1394sub git_heads {
1395        my $head = git_read_head($project);
1396        git_header_html();
1397        print "<div class=\"page_nav\">\n" .
1398              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1399              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
1400              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
1401              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$head")}, "commit") .
1402              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$head")}, "commitdiff") .
1403              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;hb=$head")}, "tree") . "<br/>\n" .
1404              "<br/>\n" .
1405              "</div>\n";
1406        my $taglist = git_read_refs("refs/heads");
1407        print "<div>\n" .
1408              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary"), -class => "title"}, "&nbsp;") .
1409              "</div>\n";
1410        print "<table cellspacing=\"0\">\n";
1411        my $alternate = 0;
1412        if (defined @$taglist) {
1413                foreach my $entry (@$taglist) {
1414                        my %tag = %$entry;
1415                        if ($alternate) {
1416                                print "<tr class=\"dark\">\n";
1417                        } else {
1418                                print "<tr class=\"light\">\n";
1419                        }
1420                        $alternate ^= 1;
1421                        print "<td><i>$tag{'age'}</i></td>\n" .
1422                              "<td>" .
1423                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}"), -class => "list"}, "<b>" . esc_html($tag{'name'}) . "</b>") .
1424                              "</td>\n" .
1425                              "<td class=\"link\">" .
1426                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}")}, "shortlog") .
1427                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$tag{'name'}")}, "log") .
1428                              "</td>\n" .
1429                              "</tr>";
1430                }
1431        }
1432        print "</table\n>";
1433        git_footer_html();
1434}
1435
1436sub git_get_hash_by_path {
1437        my $base = shift;
1438        my $path = shift || return undef;
1439
1440        my $tree = $base;
1441        my @parts = split '/', $path;
1442        while (my $part = shift @parts) {
1443                open my $fd, "-|", "$gitbin/git-ls-tree $tree" or die_error(undef, "Open git-ls-tree failed.");
1444                my (@entries) = map { chomp; $_ } <$fd>;
1445                close $fd or return undef;
1446                foreach my $line (@entries) {
1447                        #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
1448                        $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
1449                        my $t_mode = $1;
1450                        my $t_type = $2;
1451                        my $t_hash = $3;
1452                        my $t_name = validate_input(unquote($4));
1453                        if ($t_name eq $part) {
1454                                if (!(@parts)) {
1455                                        return $t_hash;
1456                                }
1457                                if ($t_type eq "tree") {
1458                                        $tree = $t_hash;
1459                                }
1460                                last;
1461                        }
1462                }
1463        }
1464}
1465
1466sub git_blob {
1467        if (!defined $hash && defined $file_name) {
1468                my $base = $hash_base || git_read_head($project);
1469                $hash = git_get_hash_by_path($base, $file_name, "blob") || die_error(undef, "Error lookup file.");
1470        }
1471        open my $fd, "-|", "$gitbin/git-cat-file blob $hash" or die_error(undef, "Open failed.");
1472        git_header_html();
1473        if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
1474                print "<div class=\"page_nav\">\n" .
1475                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1476                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
1477                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
1478                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base")}, "commit") .
1479                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash_base")}, "commitdiff") .
1480                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash_base")}, "tree") . "<br/>\n";
1481                if (defined $file_name) {
1482                        print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blame;h=$hash;hb=$hash_base;f=$file_name")}, "blame") .
1483                        " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob_plain;h=$hash;f=$file_name")}, "plain") .
1484                        " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;hb=HEAD;f=$file_name")}, "head") . "<br/>\n";
1485                } else {
1486                        print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob_plain;h=$hash")}, "plain") . "<br/>\n";
1487                }
1488                print "</div>\n".
1489                       "<div>" .
1490                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base"), -class => "title"}, esc_html($co{'title'})) .
1491                      "</div>\n";
1492        } else {
1493                print "<div class=\"page_nav\">\n" .
1494                      "<br/><br/></div>\n" .
1495                      "<div class=\"title\">$hash</div>\n";
1496        }
1497        if (defined $file_name) {
1498                print "<div class=\"page_path\"><b>" . esc_html($file_name) . "</b></div>\n";
1499        }
1500        print "<div class=\"page_body\">\n";
1501        my $nr;
1502        while (my $line = <$fd>) {
1503                chomp $line;
1504                $nr++;
1505                while ((my $pos = index($line, "\t")) != -1) {
1506                        if (my $count = (8 - ($pos % 8))) {
1507                                my $spaces = ' ' x $count;
1508                                $line =~ s/\t/$spaces/;
1509                        }
1510                }
1511                printf "<div class=\"pre\"><a id=\"l%i\" href=\"#l%i\" class=\"linenr\">%4i</a> %s</div>\n", $nr, $nr, $nr, esc_html($line);
1512        }
1513        close $fd or print "Reading blob failed.\n";
1514        print "</div>";
1515        git_footer_html();
1516}
1517
1518sub git_blob_plain {
1519        my $save_as = "$hash.txt";
1520        if (defined $file_name) {
1521                $save_as = $file_name;
1522        }
1523        print $cgi->header(-type => "text/plain", -charset => 'utf-8', '-content-disposition' => "inline; filename=\"$save_as\"");
1524        open my $fd, "-|", "$gitbin/git-cat-file blob $hash" or return;
1525        undef $/;
1526        print <$fd>;
1527        $/ = "\n";
1528        close $fd;
1529}
1530
1531sub git_tree {
1532        if (!defined $hash) {
1533                $hash = git_read_head($project);
1534                if (defined $file_name) {
1535                        my $base = $hash_base || $hash;
1536                        $hash = git_get_hash_by_path($base, $file_name, "tree");
1537                }
1538                if (!defined $hash_base) {
1539                        $hash_base = $hash;
1540                }
1541        }
1542        $/ = "\0";
1543        open my $fd, "-|", "$gitbin/git-ls-tree -z $hash" or die_error(undef, "Open git-ls-tree failed.");
1544        chomp (my (@entries) = <$fd>);
1545        close $fd or die_error(undef, "Reading tree failed.");
1546        $/ = "\n";
1547
1548        my $refs = read_info_ref();
1549        my $ref = "";
1550        if (defined $refs->{$hash_base}) {
1551                $ref = " <span class=\"tag\">" . esc_html($refs->{$hash_base}) . "</span>";
1552        }
1553        git_header_html();
1554        my $base_key = "";
1555        my $base = "";
1556        if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
1557                $base_key = ";hb=$hash_base";
1558                print "<div class=\"page_nav\">\n" .
1559                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1560                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash_base")}, "shortlog") .
1561                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash_base")}, "log") .
1562                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base")}, "commit") .
1563                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash_base")}, "commitdiff") .
1564                      " | tree" .
1565                      "<br/><br/>\n" .
1566                      "</div>\n";
1567                print "<div>\n" .
1568                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base"), -class => "title"}, esc_html($co{'title'}) . $ref) . "\n" .
1569                      "</div>\n";
1570        } else {
1571                print "<div class=\"page_nav\">\n";
1572                print "<br/><br/></div>\n";
1573                print "<div class=\"title\">$hash</div>\n";
1574        }
1575        if (defined $file_name) {
1576                $base = esc_html("$file_name/");
1577                print "<div class=\"page_path\"><b>/" . esc_html($file_name) . "</b></div>\n";
1578        } else {
1579                print "<div class=\"page_path\"><b>/</b></div>\n";
1580        }
1581        print "<div class=\"page_body\">\n";
1582        print "<table cellspacing=\"0\">\n";
1583        my $alternate = 0;
1584        foreach my $line (@entries) {
1585                #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
1586                $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
1587                my $t_mode = $1;
1588                my $t_type = $2;
1589                my $t_hash = $3;
1590                my $t_name = validate_input($4);
1591                if ($alternate) {
1592                        print "<tr class=\"dark\">\n";
1593                } else {
1594                        print "<tr class=\"light\">\n";
1595                }
1596                $alternate ^= 1;
1597                print "<td style=\"font-family:monospace\">" . mode_str($t_mode) . "</td>\n";
1598                if ($t_type eq "blob") {
1599                        print "<td class=\"list\">" .
1600                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$t_hash$base_key;f=$base$t_name"), -class => "list"}, esc_html($t_name)) .
1601                              "</td>\n" .
1602                              "<td class=\"link\">" .
1603                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$t_hash$base_key;f=$base$t_name")}, "blob") .
1604#                             " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blame;h=$t_hash$base_key;f=$base$t_name")}, "blame") .
1605                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=history;h=$hash_base;f=$base$t_name")}, "history") .
1606                              "</td>\n";
1607                } elsif ($t_type eq "tree") {
1608                        print "<td class=\"list\">" .
1609                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$t_hash$base_key;f=$base$t_name")}, esc_html($t_name)) .
1610                              "</td>\n" .
1611                              "<td class=\"link\">" .
1612                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$t_hash$base_key;f=$base$t_name")}, "tree") .
1613                              "</td>\n";
1614                }
1615                print "</tr>\n";
1616        }
1617        print "</table>\n" .
1618              "</div>";
1619        git_footer_html();
1620}
1621
1622sub git_rss {
1623        # http://www.notestips.com/80256B3A007F2692/1/NAMO5P9UPQ
1624        open my $fd, "-|", "$gitbin/git-rev-list --max-count=150 " . git_read_head($project) or die_error(undef, "Open failed.");
1625        my (@revlist) = map { chomp; $_ } <$fd>;
1626        close $fd or die_error(undef, "Reading rev-list failed.");
1627        print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
1628        print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
1629              "<rss version=\"2.0\" xmlns:content=\"http://purl.org/rss/1.0/modules/content/\">\n";
1630        print "<channel>\n";
1631        print "<title>$project</title>\n".
1632              "<link>" . esc_html("$my_url?p=$project;a=summary") . "</link>\n".
1633              "<description>$project log</description>\n".
1634              "<language>en</language>\n";
1635
1636        for (my $i = 0; $i <= $#revlist; $i++) {
1637                my $commit = $revlist[$i];
1638                my %co = git_read_commit($commit);
1639                # we read 150, we always show 30 and the ones more recent than 48 hours
1640                if (($i >= 20) && ((time - $co{'committer_epoch'}) > 48*60*60)) {
1641                        last;
1642                }
1643                my %cd = date_str($co{'committer_epoch'});
1644                open $fd, "-|", "$gitbin/git-diff-tree -r $co{'parent'} $co{'id'}" or next;
1645                my @difftree = map { chomp; $_ } <$fd>;
1646                close $fd or next;
1647                print "<item>\n" .
1648                      "<title>" .
1649                      sprintf("%d %s %02d:%02d", $cd{'mday'}, $cd{'month'}, $cd{'hour'}, $cd{'minute'}) . " - " . esc_html($co{'title'}) .
1650                      "</title>\n" .
1651                      "<author>" . esc_html($co{'author'}) . "</author>\n" .
1652                      "<pubDate>$cd{'rfc2822'}</pubDate>\n" .
1653                      "<guid isPermaLink=\"true\">" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</guid>\n" .
1654                      "<link>" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</link>\n" .
1655                      "<description>" . esc_html($co{'title'}) . "</description>\n" .
1656                      "<content:encoded>" .
1657                      "<![CDATA[\n";
1658                my $comment = $co{'comment'};
1659                foreach my $line (@$comment) {
1660                        $line = decode("utf8", $line, Encode::FB_DEFAULT);
1661                        print "$line<br/>\n";
1662                }
1663                print "<br/>\n";
1664                foreach my $line (@difftree) {
1665                        if (!($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/)) {
1666                                next;
1667                        }
1668                        my $file = validate_input(unquote($7));
1669                        $file = decode("utf8", $file, Encode::FB_DEFAULT);
1670                        print "$file<br/>\n";
1671                }
1672                print "]]>\n" .
1673                      "</content:encoded>\n" .
1674                      "</item>\n";
1675        }
1676        print "</channel></rss>";
1677}
1678
1679sub git_opml {
1680        my @list = git_read_projects();
1681
1682        print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
1683        print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
1684              "<opml version=\"1.0\">\n".
1685              "<head>".
1686              "  <title>Git OPML Export</title>\n".
1687              "</head>\n".
1688              "<body>\n".
1689              "<outline text=\"git RSS feeds\">\n";
1690
1691        foreach my $pr (@list) {
1692                my %proj = %$pr;
1693                my $head = git_read_head($proj{'path'});
1694                if (!defined $head) {
1695                        next;
1696                }
1697                $ENV{'GIT_DIR'} = "$projectroot/$proj{'path'}";
1698                my %co = git_read_commit($head);
1699                if (!%co) {
1700                        next;
1701                }
1702
1703                my $path = esc_html(chop_str($proj{'path'}, 25, 5));
1704                my $rss =  "$my_url?p=$proj{'path'};a=rss";
1705                my $html =  "$my_url?p=$proj{'path'};a=summary";
1706                print "<outline type=\"rss\" text=\"$path\" title=\"$path\" xmlUrl=\"$rss\" htmlUrl=\"$html\"/>\n";
1707        }
1708        print "</outline>\n".
1709              "</body>\n".
1710              "</opml>\n";
1711}
1712
1713sub git_log {
1714        my $head = git_read_head($project);
1715        if (!defined $hash) {
1716                $hash = $head;
1717        }
1718        if (!defined $page) {
1719                $page = 0;
1720        }
1721        my $refs = read_info_ref();
1722        git_header_html();
1723        print "<div class=\"page_nav\">\n";
1724        print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1725              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash")}, "shortlog") .
1726              " | log" .
1727              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash")}, "commit") .
1728              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash")}, "commitdiff") .
1729              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$hash;hb=$hash")}, "tree") . "<br/>\n";
1730
1731        my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
1732        open my $fd, "-|", "$gitbin/git-rev-list $limit $hash" or die_error(undef, "Open failed.");
1733        my (@revlist) = map { chomp; $_ } <$fd>;
1734        close $fd;
1735
1736        if ($hash ne $head || $page) {
1737                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "HEAD");
1738        } else {
1739                print "HEAD";
1740        }
1741        if ($page > 0) {
1742                print " &sdot; " .
1743                $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash;pg=" . ($page-1)), -accesskey => "p", -title => "Alt-p"}, "prev");
1744        } else {
1745                print " &sdot; prev";
1746        }
1747        if ($#revlist >= (100 * ($page+1)-1)) {
1748                print " &sdot; " .
1749                $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash;pg=" . ($page+1)), -accesskey => "n", -title => "Alt-n"}, "next");
1750        } else {
1751                print " &sdot; next";
1752        }
1753        print "<br/>\n" .
1754              "</div>\n";
1755        if (!@revlist) {
1756                print "<div>\n" .
1757                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary"), -class => "title"}, "&nbsp;") .
1758                      "</div>\n";
1759                my %co = git_read_commit($hash);
1760                print "<div class=\"page_body\"> Last change $co{'age_string'}.<br/><br/></div>\n";
1761        }
1762        for (my $i = ($page * 100); $i <= $#revlist; $i++) {
1763                my $commit = $revlist[$i];
1764                my $ref = "";
1765                if (defined $refs->{$commit}) {
1766                        $ref = " <span class=\"tag\">" . esc_html($refs->{$commit}) . "</span>";
1767                }
1768                my %co = git_read_commit($commit);
1769                next if !%co;
1770                my %ad = date_str($co{'author_epoch'});
1771                print "<div>\n" .
1772                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "title"},
1773                      "<span class=\"age\">$co{'age_string'}</span>" . esc_html($co{'title'}) . $ref) . "\n";
1774                print "</div>\n";
1775                print "<div class=\"title_text\">\n" .
1776                      "<div class=\"log_link\">\n" .
1777                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit")}, "commit") .
1778                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
1779                      "<br/>\n" .
1780                      "</div>\n" .
1781                      "<i>" . esc_html($co{'author_name'}) .  " [$ad{'rfc2822'}]</i><br/>\n" .
1782                      "</div>\n" .
1783                      "<div class=\"log_body\">\n";
1784                my $comment = $co{'comment'};
1785                my $empty = 0;
1786                foreach my $line (@$comment) {
1787                        if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1788                                next;
1789                        }
1790                        if ($line eq "") {
1791                                if ($empty) {
1792                                        next;
1793                                }
1794                                $empty = 1;
1795                        } else {
1796                                $empty = 0;
1797                        }
1798                        print format_log_line_html($line) . "<br/>\n";
1799                }
1800                if (!$empty) {
1801                        print "<br/>\n";
1802                }
1803                print "</div>\n";
1804        }
1805        git_footer_html();
1806}
1807
1808sub git_commit {
1809        my %co = git_read_commit($hash);
1810        if (!%co) {
1811                die_error(undef, "Unknown commit object.");
1812        }
1813        my %ad = date_str($co{'author_epoch'}, $co{'author_tz'});
1814        my %cd = date_str($co{'committer_epoch'}, $co{'committer_tz'});
1815
1816        my @difftree;
1817        my $root = "";
1818        my $parent = $co{'parent'};
1819        if (!defined $parent) {
1820                $root = " --root";
1821                $parent = "";
1822        }
1823        open my $fd, "-|", "$gitbin/git-diff-tree -r -M $root $parent $hash" or die_error(undef, "Open failed.");
1824        @difftree = map { chomp; $_ } <$fd>;
1825        close $fd or die_error(undef, "Reading diff-tree failed.");
1826
1827        # non-textual hash id's can be cached
1828        my $expires;
1829        if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
1830                $expires = "+1d";
1831        }
1832        my $refs = read_info_ref();
1833        my $ref = "";
1834        if (defined $refs->{$co{'id'}}) {
1835                $ref = " <span class=\"tag\">" . esc_html($refs->{$co{'id'}}) . "</span>";
1836        }
1837        git_header_html(undef, $expires);
1838        print "<div class=\"page_nav\">\n" .
1839              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1840              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash")}, "shortlog") .
1841              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash")}, "log") .
1842              " | commit";
1843        if (defined $co{'parent'}) {
1844                print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash")}, "commitdiff");
1845        }
1846        print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") . "\n" .
1847              "<br/><br/></div>\n";
1848        if (defined $co{'parent'}) {
1849                print "<div>\n" .
1850                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash"), -class => "title"}, esc_html($co{'title'}) . $ref) . "\n" .
1851                      "</div>\n";
1852        } else {
1853                print "<div>\n" .
1854                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash"), -class => "title"}, esc_html($co{'title'})) . "\n" .
1855                      "</div>\n";
1856        }
1857        print "<div class=\"title_text\">\n" .
1858              "<table cellspacing=\"0\">\n";
1859        print "<tr><td>author</td><td>" . esc_html($co{'author'}) . "</td></tr>\n".
1860              "<tr>" .
1861              "<td></td><td> $ad{'rfc2822'}";
1862        if ($ad{'hour_local'} < 6) {
1863                printf(" (<span style=\"color: #cc0000;\">%02d:%02d</span> %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1864        } else {
1865                printf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1866        }
1867        print "</td>" .
1868              "</tr>\n";
1869        print "<tr><td>committer</td><td>" . esc_html($co{'committer'}) . "</td></tr>\n";
1870        print "<tr><td></td><td> $cd{'rfc2822'}" . sprintf(" (%02d:%02d %s)", $cd{'hour_local'}, $cd{'minute_local'}, $cd{'tz_local'}) . "</td></tr>\n";
1871        print "<tr><td>commit</td><td style=\"font-family:monospace\">$co{'id'}</td></tr>\n";
1872        print "<tr>" .
1873              "<td>tree</td>" .
1874              "<td style=\"font-family:monospace\">" .
1875              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash"), class => "list"}, $co{'tree'}) .
1876              "</td>" .
1877              "<td class=\"link\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") .
1878              "</td>" .
1879              "</tr>\n";
1880        my $parents  = $co{'parents'};
1881        foreach my $par (@$parents) {
1882                print "<tr>" .
1883                      "<td>parent</td>" .
1884                      "<td style=\"font-family:monospace\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$par"), class => "list"}, $par) . "</td>" .
1885                      "<td class=\"link\">" .
1886                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$par")}, "commit") .
1887                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash;hp=$par")}, "commitdiff") .
1888                      "</td>" .
1889                      "</tr>\n";
1890        }
1891        print "</table>". 
1892              "</div>\n";
1893        print "<div class=\"page_body\">\n";
1894        my $comment = $co{'comment'};
1895        my $empty = 0;
1896        my $signed = 0;
1897        foreach my $line (@$comment) {
1898                # print only one empty line
1899                if ($line eq "") {
1900                        if ($empty || $signed) {
1901                                next;
1902                        }
1903                        $empty = 1;
1904                } else {
1905                        $empty = 0;
1906                }
1907                if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1908                        $signed = 1;
1909                        print "<span style=\"color: #888888\">" . esc_html($line) . "</span><br/>\n";
1910                } else {
1911                        $signed = 0;
1912                        print format_log_line_html($line) . "<br/>\n";
1913                }
1914        }
1915        print "</div>\n";
1916        print "<div class=\"list_head\">\n";
1917        if ($#difftree > 10) {
1918                print(($#difftree + 1) . " files changed:\n");
1919        }
1920        print "</div>\n";
1921        print "<table cellspacing=\"0\">\n";
1922        my $alternate = 0;
1923        foreach my $line (@difftree) {
1924                # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M      ls-files.c'
1925                # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M      rev-tree.c'
1926                if (!($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/)) {
1927                        next;
1928                }
1929                my $from_mode = $1;
1930                my $to_mode = $2;
1931                my $from_id = $3;
1932                my $to_id = $4;
1933                my $status = $5;
1934                my $similarity = $6;
1935                my $file = validate_input(unquote($7));
1936                if ($alternate) {
1937                        print "<tr class=\"dark\">\n";
1938                } else {
1939                        print "<tr class=\"light\">\n";
1940                }
1941                $alternate ^= 1;
1942                if ($status eq "A") {
1943                        my $mode_chng = "";
1944                        if (S_ISREG(oct $to_mode)) {
1945                                $mode_chng = sprintf(" with mode: %04o", (oct $to_mode) & 0777);
1946                        }
1947                        print "<td>" .
1948                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file"), -class => "list"}, esc_html($file)) . "</td>\n" .
1949                              "<td><span style=\"color: #008000;\">[new " . file_type($to_mode) . "$mode_chng]</span></td>\n" .
1950                              "<td class=\"link\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, "blob") . "</td>\n";
1951                } elsif ($status eq "D") {
1952                        print "<td>" .
1953                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash;f=$file"), -class => "list"}, esc_html($file)) . "</td>\n" .
1954                              "<td><span style=\"color: #c00000;\">[deleted " . file_type($from_mode). "]</span></td>\n" .
1955                              "<td class=\"link\">" .
1956                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash;f=$file")}, "blob") .
1957                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=history;h=$hash;f=$file")}, "history") .
1958                              "</td>\n"
1959                } elsif ($status eq "M" || $status eq "T") {
1960                        my $mode_chnge = "";
1961                        if ($from_mode != $to_mode) {
1962                                $mode_chnge = " <span style=\"color: #777777;\">[changed";
1963                                if (((oct $from_mode) & S_IFMT) != ((oct $to_mode) & S_IFMT)) {
1964                                        $mode_chnge .= " from " . file_type($from_mode) . " to " . file_type($to_mode);
1965                                }
1966                                if (((oct $from_mode) & 0777) != ((oct $to_mode) & 0777)) {
1967                                        if (S_ISREG($from_mode) && S_ISREG($to_mode)) {
1968                                                $mode_chnge .= sprintf(" mode: %04o->%04o", (oct $from_mode) & 0777, (oct $to_mode) & 0777);
1969                                        } elsif (S_ISREG($to_mode)) {
1970                                                $mode_chnge .= sprintf(" mode: %04o", (oct $to_mode) & 0777);
1971                                        }
1972                                }
1973                                $mode_chnge .= "]</span>\n";
1974                        }
1975                        print "<td>";
1976                        if ($to_id ne $from_id) {
1977                                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$file"), -class => "list"}, esc_html($file));
1978                        } else {
1979                                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file"), -class => "list"}, esc_html($file));
1980                        }
1981                        print "</td>\n" .
1982                              "<td>$mode_chnge</td>\n" .
1983                              "<td class=\"link\">";
1984                        print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, "blob");
1985                        if ($to_id ne $from_id) {
1986                                print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$file")}, "diff");
1987                        }
1988                        print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=history;h=$hash;f=$file")}, "history") . "\n";
1989                        print "</td>\n";
1990                } elsif ($status eq "R") {
1991                        my ($from_file, $to_file) = split "\t", $file;
1992                        my $mode_chng = "";
1993                        if ($from_mode != $to_mode) {
1994                                $mode_chng = sprintf(", mode: %04o", (oct $to_mode) & 0777);
1995                        }
1996                        print "<td>" .
1997                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$to_file"), -class => "list"}, esc_html($to_file)) . "</td>\n" .
1998                              "<td><span style=\"color: #777777;\">[moved from " .
1999                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash;f=$from_file"), -class => "list"}, esc_html($from_file)) .
2000                              " with " . (int $similarity) . "% similarity$mode_chng]</span></td>\n" .
2001                              "<td class=\"link\">" .
2002                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$to_file")}, "blob");
2003                        if ($to_id ne $from_id) {
2004                                print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$to_file")}, "diff");
2005                        }
2006                        print "</td>\n";
2007                }
2008                print "</tr>\n";
2009        }
2010        print "</table>\n";
2011        git_footer_html();
2012}
2013
2014sub git_blobdiff {
2015        mkdir($git_temp, 0700);
2016        git_header_html();
2017        if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
2018                print "<div class=\"page_nav\">\n" .
2019                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
2020                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
2021                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
2022                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base")}, "commit") .
2023                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash_base")}, "commitdiff") .
2024                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash_base")}, "tree") .
2025                      "<br/>\n";
2026                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff_plain;h=$hash;hp=$hash_parent")}, "plain") .
2027                      "</div>\n";
2028                print "<div>\n" .
2029                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base"), -class => "title"}, esc_html($co{'title'})) . "\n" .
2030                      "</div>\n";
2031        } else {
2032                print "<div class=\"page_nav\">\n" .
2033                      "<br/><br/></div>\n" .
2034                      "<div class=\"title\">$hash vs $hash_parent</div>\n";
2035        }
2036        if (defined $file_name) {
2037                print "<div class=\"page_path\"><b>/" . esc_html($file_name) . "</b></div>\n";
2038        }
2039        print "<div class=\"page_body\">\n" .
2040              "<div class=\"diff_info\">blob:" .
2041              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$hash_parent;hb=$hash_base;f=$file_name")}, $hash_parent) .
2042              " -> blob:" .
2043              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$hash;hb=$hash_base;f=$file_name")}, $hash) .
2044              "</div>\n";
2045        git_diff_print($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash);
2046        print "</div>";
2047        git_footer_html();
2048}
2049
2050sub git_blobdiff_plain {
2051        mkdir($git_temp, 0700);
2052        print $cgi->header(-type => "text/plain", -charset => 'utf-8');
2053        git_diff_print($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash, "plain");
2054}
2055
2056sub git_commitdiff {
2057        mkdir($git_temp, 0700);
2058        my %co = git_read_commit($hash);
2059        if (!%co) {
2060                die_error(undef, "Unknown commit object.");
2061        }
2062        if (!defined $hash_parent) {
2063                $hash_parent = $co{'parent'};
2064        }
2065        open my $fd, "-|", "$gitbin/git-diff-tree -r $hash_parent $hash" or die_error(undef, "Open failed.");
2066        my (@difftree) = map { chomp; $_ } <$fd>;
2067        close $fd or die_error(undef, "Reading diff-tree failed.");
2068
2069        # non-textual hash id's can be cached
2070        my $expires;
2071        if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
2072                $expires = "+1d";
2073        }
2074        my $refs = read_info_ref();
2075        my $ref = "";
2076        if (defined $refs->{$co{'id'}}) {
2077                $ref = " <span class=\"tag\">" . esc_html($refs->{$co{'id'}}) . "</span>";
2078        }
2079        git_header_html(undef, $expires);
2080        print "<div class=\"page_nav\">\n" .
2081              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
2082              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash")}, "shortlog") .
2083              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash")}, "log") .
2084              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash")}, "commit") .
2085              " | commitdiff" .
2086              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") . "<br/>\n";
2087        print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff_plain;h=$hash;hp=$hash_parent")}, "plain") . "\n" .
2088              "</div>\n";
2089        print "<div>\n" .
2090              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash"), -class => "title"}, esc_html($co{'title'}) . $ref) . "\n" .
2091              "</div>\n";
2092        print "<div class=\"page_body\">\n";
2093        my $comment = $co{'comment'};
2094        my $empty = 0;
2095        my $signed = 0;
2096        my @log = @$comment;
2097        # remove first and empty lines after that
2098        shift @log;
2099        while (defined $log[0] && $log[0] eq "") {
2100                shift @log;
2101        }
2102        foreach my $line (@log) {
2103                if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
2104                        next;
2105                }
2106                if ($line eq "") {
2107                        if ($empty) {
2108                                next;
2109                        }
2110                        $empty = 1;
2111                } else {
2112                        $empty = 0;
2113                }
2114                print format_log_line_html($line) . "<br/>\n";
2115        }
2116        print "<br/>\n";
2117        foreach my $line (@difftree) {
2118                # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M      ls-files.c'
2119                # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M      rev-tree.c'
2120                $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/;
2121                my $from_mode = $1;
2122                my $to_mode = $2;
2123                my $from_id = $3;
2124                my $to_id = $4;
2125                my $status = $5;
2126                my $file = validate_input(unquote($6));
2127                if ($status eq "A") {
2128                        print "<div class=\"diff_info\">" .  file_type($to_mode) . ":" .
2129                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, $to_id) . "(new)" .
2130                              "</div>\n";
2131                        git_diff_print(undef, "/dev/null", $to_id, "b/$file");
2132                } elsif ($status eq "D") {
2133                        print "<div class=\"diff_info\">" . file_type($from_mode) . ":" .
2134                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash;f=$file")}, $from_id) . "(deleted)" .
2135                              "</div>\n";
2136                        git_diff_print($from_id, "a/$file", undef, "/dev/null");
2137                } elsif ($status eq "M") {
2138                        if ($from_id ne $to_id) {
2139                                print "<div class=\"diff_info\">" .
2140                                      file_type($from_mode) . ":" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash;f=$file")}, $from_id) .
2141                                      " -> " .
2142                                      file_type($to_mode) . ":" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, $to_id);
2143                                print "</div>\n";
2144                                git_diff_print($from_id, "a/$file",  $to_id, "b/$file");
2145                        }
2146                }
2147        }
2148        print "<br/>\n" .
2149              "</div>";
2150        git_footer_html();
2151}
2152
2153sub git_commitdiff_plain {
2154        mkdir($git_temp, 0700);
2155        open my $fd, "-|", "$gitbin/git-diff-tree -r $hash_parent $hash" or die_error(undef, "Open failed.");
2156        my (@difftree) = map { chomp; $_ } <$fd>;
2157        close $fd or die_error(undef, "Reading diff-tree failed.");
2158
2159        # try to figure out the next tag after this commit
2160        my $tagname;
2161        my $refs = read_info_ref("tags");
2162        open $fd, "-|", "$gitbin/git-rev-list HEAD";
2163        chomp (my (@commits) = <$fd>);
2164        close $fd;
2165        foreach my $commit (@commits) {
2166                if (defined $refs->{$commit}) {
2167                        $tagname = $refs->{$commit}
2168                }
2169                if ($commit eq $hash) {
2170                        last;
2171                }
2172        }
2173
2174        print $cgi->header(-type => "text/plain", -charset => 'utf-8', '-content-disposition' => "inline; filename=\"git-$hash.patch\"");
2175        my %co = git_read_commit($hash);
2176        my %ad = date_str($co{'author_epoch'}, $co{'author_tz'});
2177        my $comment = $co{'comment'};
2178        print "From: $co{'author'}\n" .
2179              "Date: $ad{'rfc2822'} ($ad{'tz_local'})\n".
2180              "Subject: $co{'title'}\n";
2181        if (defined $tagname) {
2182              print "X-Git-Tag: $tagname\n";
2183        }
2184        print "X-Git-Url: $my_url?p=$project;a=commitdiff;h=$hash\n" .
2185              "\n";
2186
2187        foreach my $line (@$comment) {;
2188                print "$line\n";
2189        }
2190        print "---\n\n";
2191
2192        foreach my $line (@difftree) {
2193                $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/;
2194                my $from_id = $3;
2195                my $to_id = $4;
2196                my $status = $5;
2197                my $file = $6;
2198                if ($status eq "A") {
2199                        git_diff_print(undef, "/dev/null", $to_id, "b/$file", "plain");
2200                } elsif ($status eq "D") {
2201                        git_diff_print($from_id, "a/$file", undef, "/dev/null", "plain");
2202                } elsif ($status eq "M") {
2203                        git_diff_print($from_id, "a/$file",  $to_id, "b/$file", "plain");
2204                }
2205        }
2206}
2207
2208sub git_history {
2209        if (!defined $hash) {
2210                $hash = git_read_head($project);
2211        }
2212        my %co = git_read_commit($hash);
2213        if (!%co) {
2214                die_error(undef, "Unknown commit object.");
2215        }
2216        my $refs = read_info_ref();
2217        git_header_html();
2218        print "<div class=\"page_nav\">\n" .
2219              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
2220              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
2221              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
2222              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash")}, "commit") .
2223              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash")}, "commitdiff") .
2224              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") .
2225              "<br/><br/>\n" .
2226              "</div>\n";
2227        print "<div>\n" .
2228              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash"), -class => "title"}, esc_html($co{'title'})) . "\n" .
2229              "</div>\n";
2230        print "<div class=\"page_path\"><b>/" . esc_html($file_name) . "</b><br/></div>\n";
2231
2232        open my $fd, "-|", "$gitbin/git-rev-list $hash | $gitbin/git-diff-tree -r --stdin -- \'$file_name\'";
2233        my $commit;
2234        print "<table cellspacing=\"0\">\n";
2235        my $alternate = 0;
2236        while (my $line = <$fd>) {
2237                if ($line =~ m/^([0-9a-fA-F]{40})/){
2238                        $commit = $1;
2239                        next;
2240                }
2241                if ($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/ && (defined $commit)) {
2242                        my %co = git_read_commit($commit);
2243                        if (!%co) {
2244                                next;
2245                        }
2246                        my $ref = "";
2247                        if (defined $refs->{$commit}) {
2248                                $ref = " <span class=\"tag\">" . esc_html($refs->{$commit}) . "</span>";
2249                        }
2250                        if ($alternate) {
2251                                print "<tr class=\"dark\">\n";
2252                        } else {
2253                                print "<tr class=\"light\">\n";
2254                        }
2255                        $alternate ^= 1;
2256                        print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2257                              "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 3)) . "</i></td>\n" .
2258                              "<td>" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "list"}, "<b>" .
2259                              esc_html(chop_str($co{'title'}, 50)) . "$ref</b>") . "</td>\n" .
2260                              "<td class=\"link\">" .
2261                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit")}, "commit") .
2262                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
2263                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;hb=$commit;f=$file_name")}, "blob");
2264                        my $blob = git_get_hash_by_path($hash, $file_name);
2265                        my $blob_parent = git_get_hash_by_path($commit, $file_name);
2266                        if (defined $blob && defined $blob_parent && $blob ne $blob_parent) {
2267                                print " | " .
2268                                $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff;h=$blob;hp=$blob_parent;hb=$commit;f=$file_name")},
2269                                "diff to current");
2270                        }
2271                        print "</td>\n" .
2272                              "</tr>\n";
2273                        undef $commit;
2274                }
2275        }
2276        print "</table>\n";
2277        close $fd;
2278        git_footer_html();
2279}
2280
2281sub git_search {
2282        if (!defined $searchtext) {
2283                die_error("", "Text field empty.");
2284        }
2285        if (!defined $hash) {
2286                $hash = git_read_head($project);
2287        }
2288        my %co = git_read_commit($hash);
2289        if (!%co) {
2290                die_error(undef, "Unknown commit object.");
2291        }
2292        # pickaxe may take all resources of your box and run for several minutes
2293        # with every query - so decide by yourself how public you make this feature :)
2294        my $commit_search = 1;
2295        my $author_search = 0;
2296        my $committer_search = 0;
2297        my $pickaxe_search = 0;
2298        if ($searchtext =~ s/^author\\://i) {
2299                $author_search = 1;
2300        } elsif ($searchtext =~ s/^committer\\://i) {
2301                $committer_search = 1;
2302        } elsif ($searchtext =~ s/^pickaxe\\://i) {
2303                $commit_search = 0;
2304                $pickaxe_search = 1;
2305        }
2306        git_header_html();
2307        print "<div class=\"page_nav\">\n" .
2308              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary;h=$hash")}, "summary") .
2309              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
2310              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash")}, "log") .
2311              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash")}, "commit") .
2312              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash")}, "commitdiff") .
2313              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") .
2314              "<br/><br/>\n" .
2315              "</div>\n";
2316
2317        print "<div>\n" .
2318              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash"), -class => "title"}, esc_html($co{'title'})) . "\n" .
2319              "</div>\n";
2320        print "<table cellspacing=\"0\">\n";
2321        my $alternate = 0;
2322        if ($commit_search) {
2323                $/ = "\0";
2324                open my $fd, "-|", "$gitbin/git-rev-list --header --parents $hash" or next;
2325                while (my $commit_text = <$fd>) {
2326                        if (!grep m/$searchtext/i, $commit_text) {
2327                                next;
2328                        }
2329                        if ($author_search && !grep m/\nauthor .*$searchtext/i, $commit_text) {
2330                                next;
2331                        }
2332                        if ($committer_search && !grep m/\ncommitter .*$searchtext/i, $commit_text) {
2333                                next;
2334                        }
2335                        my @commit_lines = split "\n", $commit_text;
2336                        my %co = git_read_commit(undef, \@commit_lines);
2337                        if (!%co) {
2338                                next;
2339                        }
2340                        if ($alternate) {
2341                                print "<tr class=\"dark\">\n";
2342                        } else {
2343                                print "<tr class=\"light\">\n";
2344                        }
2345                        $alternate ^= 1;
2346                        print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2347                              "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
2348                              "<td>" .
2349                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}"), -class => "list"}, "<b>" . esc_html(chop_str($co{'title'}, 50)) . "</b><br/>");
2350                        my $comment = $co{'comment'};
2351                        foreach my $line (@$comment) {
2352                                if ($line =~ m/^(.*)($searchtext)(.*)$/i) {
2353                                        my $lead = esc_html($1) || "";
2354                                        $lead = chop_str($lead, 30, 10);
2355                                        my $match = esc_html($2) || "";
2356                                        my $trail = esc_html($3) || "";
2357                                        $trail = chop_str($trail, 30, 10);
2358                                        my $text = "$lead<span style=\"color:#e00000\">$match</span>$trail";
2359                                        print chop_str($text, 80, 5) . "<br/>\n";
2360                                }
2361                        }
2362                        print "</td>\n" .
2363                              "<td class=\"link\">" .
2364                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}")}, "commit") .
2365                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$co{'id'}")}, "tree");
2366                        print "</td>\n" .
2367                              "</tr>\n";
2368                }
2369                close $fd;
2370        }
2371
2372        if ($pickaxe_search) {
2373                $/ = "\n";
2374                open my $fd, "-|", "$gitbin/git-rev-list $hash | $gitbin/git-diff-tree -r --stdin -S\'$searchtext\'";
2375                undef %co;
2376                my @files;
2377                while (my $line = <$fd>) {
2378                        if (%co && $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/) {
2379                                my %set;
2380                                $set{'file'} = $6;
2381                                $set{'from_id'} = $3;
2382                                $set{'to_id'} = $4;
2383                                $set{'id'} = $set{'to_id'};
2384                                if ($set{'id'} =~ m/0{40}/) {
2385                                        $set{'id'} = $set{'from_id'};
2386                                }
2387                                if ($set{'id'} =~ m/0{40}/) {
2388                                        next;
2389                                }
2390                                push @files, \%set;
2391                        } elsif ($line =~ m/^([0-9a-fA-F]{40})$/){
2392                                if (%co) {
2393                                        if ($alternate) {
2394                                                print "<tr class=\"dark\">\n";
2395                                        } else {
2396                                                print "<tr class=\"light\">\n";
2397                                        }
2398                                        $alternate ^= 1;
2399                                        print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2400                                              "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
2401                                              "<td>" .
2402                                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}"), -class => "list"}, "<b>" .
2403                                              esc_html(chop_str($co{'title'}, 50)) . "</b><br/>");
2404                                        while (my $setref = shift @files) {
2405                                                my %set = %$setref;
2406                                                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$set{'id'};hb=$co{'id'};f=$set{'file'}"), class => "list"},
2407                                                      "<span style=\"color:#e00000\">" . esc_html($set{'file'}) . "</span>") .
2408                                                      "<br/>\n";
2409                                        }
2410                                        print "</td>\n" .
2411                                              "<td class=\"link\">" .
2412                                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}")}, "commit") .
2413                                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$co{'id'}")}, "tree");
2414                                        print "</td>\n" .
2415                                              "</tr>\n";
2416                                }
2417                                %co = git_read_commit($1);
2418                        }
2419                }
2420                close $fd;
2421        }
2422        print "</table>\n";
2423        git_footer_html();
2424}
2425
2426sub git_shortlog {
2427        my $head = git_read_head($project);
2428        if (!defined $hash) {
2429                $hash = $head;
2430        }
2431        if (!defined $page) {
2432                $page = 0;
2433        }
2434        my $refs = read_info_ref();
2435        git_header_html();
2436        print "<div class=\"page_nav\">\n" .
2437              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
2438              " | shortlog" .
2439              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash")}, "log") .
2440              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash")}, "commit") .
2441              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash")}, "commitdiff") .
2442              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$hash;hb=$hash")}, "tree") . "<br/>\n";
2443
2444        my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
2445        open my $fd, "-|", "$gitbin/git-rev-list $limit $hash" or die_error(undef, "Open failed.");
2446        my (@revlist) = map { chomp; $_ } <$fd>;
2447        close $fd;
2448
2449        if ($hash ne $head || $page) {
2450                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "HEAD");
2451        } else {
2452                print "HEAD";
2453        }
2454        if ($page > 0) {
2455                print " &sdot; " .
2456                $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash;pg=" . ($page-1)), -accesskey => "p", -title => "Alt-p"}, "prev");
2457        } else {
2458                print " &sdot; prev";
2459        }
2460        if ($#revlist >= (100 * ($page+1)-1)) {
2461                print " &sdot; " .
2462                $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash;pg=" . ($page+1)), -accesskey => "n", -title => "Alt-n"}, "next");
2463        } else {
2464                print " &sdot; next";
2465        }
2466        print "<br/>\n" .
2467              "</div>\n";
2468        print "<div>\n" .
2469              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary"), -class => "title"}, "&nbsp;") .
2470              "</div>\n";
2471        print "<table cellspacing=\"0\">\n";
2472        my $alternate = 0;
2473        for (my $i = ($page * 100); $i <= $#revlist; $i++) {
2474                my $commit = $revlist[$i];
2475                my $ref = "";
2476                if (defined $refs->{$commit}) {
2477                        $ref = " <span class=\"tag\">" . esc_html($refs->{$commit}) . "</span>";
2478                }
2479                my %co = git_read_commit($commit);
2480                my %ad = date_str($co{'author_epoch'});
2481                if ($alternate) {
2482                        print "<tr class=\"dark\">\n";
2483                } else {
2484                        print "<tr class=\"light\">\n";
2485                }
2486                $alternate ^= 1;
2487                print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2488                      "<td><i>" . esc_html(chop_str($co{'author_name'}, 10)) . "</i></td>\n" .
2489                      "<td>";
2490                if (length($co{'title_short'}) < length($co{'title'})) {
2491                        print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "list", -title => "$co{'title'}"},
2492                              "<b>" . esc_html($co{'title_short'}) . "$ref</b>");
2493                } else {
2494                        print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "list"},
2495                              "<b>" . esc_html($co{'title_short'}) . "$ref</b>");
2496                }
2497                print "</td>\n" .
2498                      "<td class=\"link\">" .
2499                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit")}, "commit") .
2500                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
2501                      "</td>\n" .
2502                      "</tr>";
2503        }
2504        if ($#revlist >= (100 * ($page+1)-1)) {
2505                print "<tr>\n" .
2506                      "<td>" .
2507                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash;pg=" . ($page+1)), -title => "Alt-n"}, "next") .
2508                      "</td>\n" .
2509                      "</tr>\n";
2510        }
2511        print "</table\n>";
2512        git_footer_html();
2513}