Andrew's git / gitweb.git / gitweb.cgi
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gitweb.cgion commit v258 (4cdd1f9)
   1#!/usr/bin/perl
   2
   3# gitweb - simple web interface to track changes in git repositories
   4#
   5# (C) 2005, Kay Sievers <kay.sievers@vrfy.org>
   6# (C) 2005, Christian Gierke <ch@gierke.de>
   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 =           "258";
  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} else {
 207        undef $action;
 208        die_error(undef, "Unknown action.");
 209        exit;
 210}
 211
 212# quote unsafe chars, but keep the slash, even when it's not
 213# correct, but quoted slashes look too horrible in bookmarks
 214sub esc_param {
 215        my $str = shift;
 216        $str =~ s/([^A-Za-z0-9\-_.~();\/;?:@&=])/sprintf("%%%02X", ord($1))/eg;
 217        $str =~ s/\+/%2B/g;
 218        $str =~ s/ /\+/g;
 219        return $str;
 220}
 221
 222# replace invalid utf8 character with SUBSTITUTION sequence
 223sub esc_html {
 224        my $str = shift;
 225        $str = decode("utf8", $str, Encode::FB_DEFAULT);
 226        $str = escapeHTML($str);
 227        return $str;
 228}
 229
 230# git may return quoted and escaped filenames
 231sub unquote {
 232        my $str = shift;
 233        if ($str =~ m/^"(.*)"$/) {
 234                $str = $1;
 235                $str =~ s/\\([0-7]{1,3})/chr(oct($1))/eg;
 236        }
 237        return $str;
 238}
 239
 240sub git_header_html {
 241        my $status = shift || "200 OK";
 242        my $expires = shift;
 243
 244        my $title = "git";
 245        if (defined $project) {
 246                $title .= " - $project";
 247                if (defined $action) {
 248                        $title .= "/$action";
 249                }
 250        }
 251        print $cgi->header(-type=>'text/html',  -charset => 'utf-8', -status=> $status, -expires => $expires);
 252        print <<EOF;
 253<?xml version="1.0" encoding="utf-8"?>
 254<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
 255<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US" lang="en-US">
 256<!-- git web interface v$version, (C) 2005, Kay Sievers <kay.sievers\@vrfy.org>, Christian Gierke <ch\@gierke.de> -->
 257<head>
 258<meta http-equiv="content-type" content="text/html; charset=utf-8"/>
 259<meta name="robots" content="index, nofollow"/>
 260<title>$title</title>
 261$rss_link
 262<style type="text/css">
 263body { font-family: sans-serif; font-size: 12px; margin:0px; border:solid #d9d8d1; border-width:1px; margin:10px; }
 264a { color:#0000cc; }
 265a:hover, a:visited, a:active { color:#880000; }
 266div.page_header { height:25px; padding:8px; font-size:18px; font-weight:bold; background-color:#d9d8d1; }
 267div.page_header a:visited, a.header { color:#0000cc; }
 268div.page_header a:hover { color:#880000; }
 269div.page_nav { padding:8px; }
 270div.page_nav a:visited { color:#0000cc; }
 271div.page_path { padding:8px; border:solid #d9d8d1; border-width:0px 0px 1px}
 272div.page_footer { height:17px; padding:4px 8px; background-color: #d9d8d1; }
 273div.page_footer_text { float:left; color:#555555; font-style:italic; }
 274div.page_body { padding:8px; }
 275div.title, a.title {
 276        display:block; padding:6px 8px;
 277        font-weight:bold; background-color:#edece6; text-decoration:none; color:#000000;
 278}
 279a.title:hover { background-color: #d9d8d1; }
 280div.title_text { padding:6px 0px; border: solid #d9d8d1; border-width:0px 0px 1px; }
 281div.log_body { padding:8px 8px 8px 150px; }
 282span.age { position:relative; float:left; width:142px; font-style:italic; }
 283div.log_link {
 284        padding:0px 8px;
 285        font-size:10px; font-family:sans-serif; font-style:normal;
 286        position:relative; float:left; width:136px;
 287}
 288div.list_head { padding:6px 8px 4px; border:solid #d9d8d1; border-width:1px 0px 0px; font-style:italic; }
 289a.list { text-decoration:none; color:#000000; }
 290a.list:hover { text-decoration:underline; color:#880000; }
 291a.text { text-decoration:none; color:#0000cc; }
 292a.text:visited { text-decoration:none; color:#880000; }
 293a.text:hover { text-decoration:underline; color:#880000; }
 294table { padding:8px 4px; }
 295th { padding:2px 5px; font-size:12px; text-align:left; }
 296tr.light:hover { background-color:#edece6; }
 297tr.dark { background-color:#f6f6f0; }
 298tr.dark:hover { background-color:#edece6; }
 299td { padding:2px 5px; font-size:12px; vertical-align:top; }
 300td.link { padding:2px 5px; font-family:sans-serif; font-size:10px; }
 301div.pre { font-family:monospace; font-size:12px; white-space:pre; }
 302div.diff_info { font-family:monospace; color:#000099; background-color:#edece6; font-style:italic; }
 303div.index_include { border:solid #d9d8d1; border-width:0px 0px 1px; padding:12px 8px; }
 304div.search { margin:4px 8px; position:absolute; top:56px; right:12px }
 305a.linenr { color:#999999; text-decoration:none }
 306a.rss_logo {
 307        float:right; padding:3px 0px; width:35px; line-height:10px;
 308        border:1px solid; border-color:#fcc7a5 #7d3302 #3e1a01 #ff954e;
 309        color:#ffffff; background-color:#ff6600;
 310        font-weight:bold; font-family:sans-serif; font-size:10px;
 311        text-align:center; text-decoration:none;
 312}
 313a.rss_logo:hover { background-color:#ee5500; }
 314span.tag {
 315        padding:0px 4px; font-size:10px;
 316        background-color:#ffffaa; border:1px solid; border-color:#ffffcc #ffee00 #ffee00 #ffffcc;
 317}
 318</style>
 319</head>
 320<body>
 321EOF
 322        print "<div class=\"page_header\">\n" .
 323              "<a href=\"http://www.kernel.org/pub/software/scm/git/docs/\" title=\"git documentation\">" .
 324              "<img src=\"$my_uri?" . esc_param("a=git-logo.png") . "\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/>" .
 325              "</a>\n";
 326        print $cgi->a({-href => esc_param($home_link)}, "projects") . " / ";
 327        if (defined $project) {
 328                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, esc_html($project));
 329                if (defined $action) {
 330                        print " / $action";
 331                }
 332                print "\n";
 333                if (!defined $searchtext) {
 334                        $searchtext = "";
 335                }
 336                my $search_hash;
 337                if (defined $hash) {
 338                        $search_hash = $hash;
 339                } else {
 340                        $search_hash  = "HEAD";
 341                }
 342                $cgi->param("a", "search");
 343                $cgi->param("h", $search_hash);
 344                print $cgi->startform(-method => "get", -action => $my_uri) .
 345                      "<div class=\"search\">\n" .
 346                      $cgi->hidden(-name => "p") . "\n" .
 347                      $cgi->hidden(-name => "a") . "\n" .
 348                      $cgi->hidden(-name => "h") . "\n" .
 349                      $cgi->textfield(-name => "s", -value => $searchtext) . "\n" .
 350                      "</div>" .
 351                      $cgi->end_form() . "\n";
 352        }
 353        print "</div>\n";
 354}
 355
 356sub git_footer_html {
 357        print "<div class=\"page_footer\">\n";
 358        if (defined $project) {
 359                my $descr = git_read_description($project);
 360                if (defined $descr) {
 361                        print "<div class=\"page_footer_text\">" . esc_html($descr) . "</div>\n";
 362                }
 363                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=rss"), -class => "rss_logo"}, "RSS") . "\n";
 364        } else {
 365                print $cgi->a({-href => "$my_uri?" . esc_param("a=opml"), -class => "rss_logo"}, "OPML") . "\n";
 366        }
 367        print "</div>\n" .
 368              "</body>\n" .
 369              "</html>";
 370}
 371
 372sub die_error {
 373        my $status = shift || "403 Forbidden";
 374        my $error = shift || "Malformed query, file missing or permission denied"; 
 375
 376        git_header_html($status);
 377        print "<div class=\"page_body\">\n" .
 378              "<br/><br/>\n" .
 379              "$status - $error\n" .
 380              "<br/>\n" .
 381              "</div>\n";
 382        git_footer_html();
 383        exit;
 384}
 385
 386sub git_get_type {
 387        my $hash = shift;
 388
 389        open my $fd, "-|", "$gitbin/git-cat-file -t $hash" or return;
 390        my $type = <$fd>;
 391        close $fd or return;
 392        chomp $type;
 393        return $type;
 394}
 395
 396sub git_read_hash {
 397        my $path = shift;
 398
 399        open my $fd, "$projectroot/$path" or return undef;
 400        my $head = <$fd>;
 401        close $fd;
 402        chomp $head;
 403        if ($head =~ m/^[0-9a-fA-F]{40}$/) {
 404                return $head;
 405        }
 406}
 407
 408sub git_read_description {
 409        my $path = shift;
 410
 411        open my $fd, "$projectroot/$path/description" or return undef;
 412        my $descr = <$fd>;
 413        close $fd;
 414        chomp $descr;
 415        return $descr;
 416}
 417
 418sub git_read_tag {
 419        my $tag_id = shift;
 420        my %tag;
 421        my @comment;
 422
 423        open my $fd, "-|", "$gitbin/git-cat-file tag $tag_id" or return;
 424        $tag{'id'} = $tag_id;
 425        while (my $line = <$fd>) {
 426                chomp $line;
 427                if ($line =~ m/^object ([0-9a-fA-F]{40})$/) {
 428                        $tag{'object'} = $1;
 429                } elsif ($line =~ m/^type (.+)$/) {
 430                        $tag{'type'} = $1;
 431                } elsif ($line =~ m/^tag (.+)$/) {
 432                        $tag{'name'} = $1;
 433                } elsif ($line =~ m/^tagger (.*) ([0-9]+) (.*)$/) {
 434                        $tag{'author'} = $1;
 435                        $tag{'epoch'} = $2;
 436                        $tag{'tz'} = $3;
 437                } elsif ($line =~ m/--BEGIN/) {
 438                        push @comment, $line;
 439                        last;
 440                } elsif ($line eq "") {
 441                        last;
 442                }
 443        }
 444        push @comment, <$fd>;
 445        $tag{'comment'} = \@comment;
 446        close $fd or return;
 447        if (!defined $tag{'name'}) {
 448                return
 449        };
 450        return %tag
 451}
 452
 453sub age_string {
 454        my $age = shift;
 455        my $age_str;
 456
 457        if ($age > 60*60*24*365*2) {
 458                $age_str = (int $age/60/60/24/365);
 459                $age_str .= " years ago";
 460        } elsif ($age > 60*60*24*(365/12)*2) {
 461                $age_str = int $age/60/60/24/(365/12);
 462                $age_str .= " months ago";
 463        } elsif ($age > 60*60*24*7*2) {
 464                $age_str = int $age/60/60/24/7;
 465                $age_str .= " weeks ago";
 466        } elsif ($age > 60*60*24*2) {
 467                $age_str = int $age/60/60/24;
 468                $age_str .= " days ago";
 469        } elsif ($age > 60*60*2) {
 470                $age_str = int $age/60/60;
 471                $age_str .= " hours ago";
 472        } elsif ($age > 60*2) {
 473                $age_str = int $age/60;
 474                $age_str .= " min ago";
 475        } elsif ($age > 2) {
 476                $age_str = int $age;
 477                $age_str .= " sec ago";
 478        } else {
 479                $age_str .= " right now";
 480        }
 481        return $age_str;
 482}
 483
 484sub git_read_commit {
 485        my $commit_id = shift;
 486        my $commit_text = shift;
 487
 488        my @commit_lines;
 489        my %co;
 490
 491        if (defined $commit_text) {
 492                @commit_lines = @$commit_text;
 493        } else {
 494                $/ = "\0";
 495                open my $fd, "-|", "$gitbin/git-rev-list --header --parents --max-count=1 $commit_id" or return;
 496                @commit_lines = split '\n', <$fd>;
 497                close $fd or return;
 498                $/ = "\n";
 499                pop @commit_lines;
 500        }
 501        my $header = shift @commit_lines;
 502        if (!($header =~ m/^[0-9a-fA-F]{40}/)) {
 503                return;
 504        }
 505        ($co{'id'}, my @parents) = split ' ', $header;
 506        $co{'parents'} = \@parents;
 507        $co{'parent'} = $parents[0];
 508        while (my $line = shift @commit_lines) {
 509                last if $line eq "\n";
 510                if ($line =~ m/^tree ([0-9a-fA-F]{40})$/) {
 511                        $co{'tree'} = $1;
 512                } elsif ($line =~ m/^author (.*) ([0-9]+) (.*)$/) {
 513                        $co{'author'} = $1;
 514                        $co{'author_epoch'} = $2;
 515                        $co{'author_tz'} = $3;
 516                        if ($co{'author'} =~ m/^([^<]+) </) {
 517                                $co{'author_name'} = $1;
 518                        } else {
 519                                $co{'author_name'} = $co{'author'};
 520                        }
 521                } elsif ($line =~ m/^committer (.*) ([0-9]+) (.*)$/) {
 522                        $co{'committer'} = $1;
 523                        $co{'committer_epoch'} = $2;
 524                        $co{'committer_tz'} = $3;
 525                        $co{'committer_name'} = $co{'committer'};
 526                        $co{'committer_name'} =~ s/ <.*//;
 527                }
 528        }
 529        if (!defined $co{'tree'}) {
 530                return;
 531        };
 532
 533        foreach my $title (@commit_lines) {
 534                if ($title ne "") {
 535                        $co{'title'} = chop_str($title, 80, 5);
 536                        # remove leading stuff of merges to make the interesting part visible
 537                        if (length($title) > 50) {
 538                                $title =~ s/^Automatic //;
 539                                $title =~ s/^merge (of|with) /Merge ... /i;
 540                                if (length($title) > 50) {
 541                                        $title =~ s/(http|rsync):\/\///;
 542                                }
 543                                if (length($title) > 50) {
 544                                        $title =~ s/(master|www|rsync)\.//;
 545                                }
 546                                if (length($title) > 50) {
 547                                        $title =~ s/kernel.org:?//;
 548                                }
 549                                if (length($title) > 50) {
 550                                        $title =~ s/\/pub\/scm//;
 551                                }
 552                        }
 553                        $co{'title_short'} = chop_str($title, 50, 5);
 554                        last;
 555                }
 556        }
 557        # remove added spaces
 558        foreach my $line (@commit_lines) {
 559                $line =~ s/^    //;
 560        }
 561        $co{'comment'} = \@commit_lines;
 562
 563        my $age = time - $co{'committer_epoch'};
 564        $co{'age'} = $age;
 565        $co{'age_string'} = age_string($age);
 566        my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($co{'committer_epoch'});
 567        if ($age > 60*60*24*7*2) {
 568                $co{'age_string_date'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
 569                $co{'age_string_age'} = $co{'age_string'};
 570        } else {
 571                $co{'age_string_date'} = $co{'age_string'};
 572                $co{'age_string_age'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
 573        }
 574        return %co;
 575}
 576
 577sub git_diff_print {
 578        my $from = shift;
 579        my $from_name = shift;
 580        my $to = shift;
 581        my $to_name = shift;
 582        my $format = shift || "html";
 583
 584        my $from_tmp = "/dev/null";
 585        my $to_tmp = "/dev/null";
 586        my $pid = $$;
 587
 588        # create tmp from-file
 589        if (defined $from) {
 590                $from_tmp = "$git_temp/gitweb_" . $$ . "_from";
 591                open my $fd2, "> $from_tmp";
 592                open my $fd, "-|", "$gitbin/git-cat-file blob $from";
 593                my @file = <$fd>;
 594                print $fd2 @file;
 595                close $fd2;
 596                close $fd;
 597        }
 598
 599        # create tmp to-file
 600        if (defined $to) {
 601                $to_tmp = "$git_temp/gitweb_" . $$ . "_to";
 602                open my $fd2, "> $to_tmp";
 603                open my $fd, "-|", "$gitbin/git-cat-file blob $to";
 604                my @file = <$fd>;
 605                print $fd2 @file;
 606                close $fd2;
 607                close $fd;
 608        }
 609
 610        open my $fd, "-|", "/usr/bin/diff -u -p -L \'$from_name\' -L \'$to_name\' $from_tmp $to_tmp";
 611        if ($format eq "plain") {
 612                undef $/;
 613                print <$fd>;
 614                $/ = "\n";
 615        } else {
 616                while (my $line = <$fd>) {
 617                        chomp($line);
 618                        my $char = substr($line, 0, 1);
 619                        my $color = "";
 620                        if ($char eq '+') {
 621                                $color = " style=\"color:#008800;\"";
 622                        } elsif ($char eq "-") {
 623                                $color = " style=\"color:#cc0000;\"";
 624                        } elsif ($char eq "@") {
 625                                $color = " style=\"color:#990099;\"";
 626                        } elsif ($char eq "\\") {
 627                                # skip errors
 628                                next;
 629                        }
 630                        while ((my $pos = index($line, "\t")) != -1) {
 631                                if (my $count = (8 - (($pos-1) % 8))) {
 632                                        my $spaces = ' ' x $count;
 633                                        $line =~ s/\t/$spaces/;
 634                                }
 635                        }
 636                        print "<div class=\"pre\"$color>" . esc_html($line) . "</div>\n";
 637                }
 638        }
 639        close $fd;
 640
 641        if (defined $from) {
 642                unlink($from_tmp);
 643        }
 644        if (defined $to) {
 645                unlink($to_tmp);
 646        }
 647}
 648
 649sub mode_str {
 650        my $mode = oct shift;
 651
 652        if (S_ISDIR($mode & S_IFMT)) {
 653                return 'drwxr-xr-x';
 654        } elsif (S_ISLNK($mode)) {
 655                return 'lrwxrwxrwx';
 656        } elsif (S_ISREG($mode)) {
 657                # git cares only about the executable bit
 658                if ($mode & S_IXUSR) {
 659                        return '-rwxr-xr-x';
 660                } else {
 661                        return '-rw-r--r--';
 662                };
 663        } else {
 664                return '----------';
 665        }
 666}
 667
 668sub chop_str {
 669        my $str = shift;
 670        my $len = shift;
 671        my $add_len = shift || 10;
 672
 673        # allow only $len chars, but don't cut a word if it would fit in $add_len
 674        # if it doesn't fit, cut it if it's still longer than the dots we would add
 675        $str =~ m/^(.{0,$len}[^ \/\-_:\.@]{0,$add_len})(.*)/;
 676        my $body = $1;
 677        my $tail = $2;
 678        if (length($tail) > 4) {
 679                $tail = " ...";
 680        }
 681        return "$body$tail";
 682}
 683
 684sub file_type {
 685        my $mode = oct shift;
 686
 687        if (S_ISDIR($mode & S_IFMT)) {
 688                return "directory";
 689        } elsif (S_ISLNK($mode)) {
 690                return "symlink";
 691        } elsif (S_ISREG($mode)) {
 692                return "file";
 693        } else {
 694                return "unknown";
 695        }
 696}
 697
 698sub format_log_line_html {
 699        my $line = shift;
 700
 701        $line = esc_html($line);
 702        $line =~ s/ /&nbsp;/g;
 703        if ($line =~ m/([0-9a-fA-F]{40})/) {
 704                my $hash_text = $1;
 705                if (git_get_type($hash_text) eq "commit") {
 706                        my $link = $cgi->a({-class => "text", -href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_text")}, $hash_text);
 707                        $line =~ s/$hash_text/$link/;
 708                }
 709        }
 710        return $line;
 711}
 712
 713sub date_str {
 714        my $epoch = shift;
 715        my $tz = shift || "-0000";
 716
 717        my %date;
 718        my @months = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
 719        my @days = ("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat");
 720        my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($epoch);
 721        $date{'hour'} = $hour;
 722        $date{'minute'} = $min;
 723        $date{'mday'} = $mday;
 724        $date{'day'} = $days[$wday];
 725        $date{'month'} = $months[$mon];
 726        $date{'rfc2822'} = sprintf "%s, %d %s %4d %02d:%02d:%02d +0000", $days[$wday], $mday, $months[$mon], 1900+$year, $hour ,$min, $sec;
 727        $date{'mday-time'} = sprintf "%d %s %02d:%02d", $mday, $months[$mon], $hour ,$min;
 728
 729        $tz =~ m/^([+\-][0-9][0-9])([0-9][0-9])$/;
 730        my $local = $epoch + ((int $1 + ($2/60)) * 3600);
 731        ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($local);
 732        $date{'hour_local'} = $hour;
 733        $date{'minute_local'} = $min;
 734        $date{'tz_local'} = $tz;
 735        return %date;
 736}
 737
 738# git-logo (cached in browser for one day)
 739sub git_logo {
 740        binmode STDOUT, ':raw';
 741        print $cgi->header(-type => 'image/png', -expires => '+1d');
 742        # cat git-logo.png | hexdump -e '16/1 " %02x"  "\n"' | sed 's/ /\\x/g'
 743        print   "\x89\x50\x4e\x47\x0d\x0a\x1a\x0a\x00\x00\x00\x0d\x49\x48\x44\x52" .
 744                "\x00\x00\x00\x48\x00\x00\x00\x1b\x04\x03\x00\x00\x00\x2d\xd9\xd4" .
 745                "\x2d\x00\x00\x00\x18\x50\x4c\x54\x45\xff\xff\xff\x60\x60\x5d\xb0" .
 746                "\xaf\xaa\x00\x80\x00\xce\xcd\xc7\xc0\x00\x00\xe8\xe8\xe6\xf7\xf7" .
 747                "\xf6\x95\x0c\xa7\x47\x00\x00\x00\x73\x49\x44\x41\x54\x28\xcf\x63" .
 748                "\x48\x67\x20\x04\x4a\x5c\x18\x0a\x08\x2a\x62\x53\x61\x20\x02\x08" .
 749                "\x0d\x69\x45\xac\xa1\xa1\x01\x30\x0c\x93\x60\x36\x26\x52\x91\xb1" .
 750                "\x01\x11\xd6\xe1\x55\x64\x6c\x6c\xcc\x6c\x6c\x0c\xa2\x0c\x70\x2a" .
 751                "\x62\x06\x2a\xc1\x62\x1d\xb3\x01\x02\x53\xa4\x08\xe8\x00\x03\x18" .
 752                "\x26\x56\x11\xd4\xe1\x20\x97\x1b\xe0\xb4\x0e\x35\x24\x71\x29\x82" .
 753                "\x99\x30\xb8\x93\x0a\x11\xb9\x45\x88\xc1\x8d\xa0\xa2\x44\x21\x06" .
 754                "\x27\x41\x82\x40\x85\xc1\x45\x89\x20\x70\x01\x00\xa4\x3d\x21\xc5" .
 755                "\x12\x1c\x9a\xfe\x00\x00\x00\x00\x49\x45\x4e\x44\xae\x42\x60\x82";
 756}
 757
 758sub get_file_owner {
 759        my $path = shift;
 760
 761        my ($dev, $ino, $mode, $nlink, $st_uid, $st_gid, $rdev, $size) = stat($path);
 762        my ($name, $passwd, $uid, $gid, $quota, $comment, $gcos, $dir, $shell) = getpwuid($st_uid);
 763        if (!defined $gcos) {
 764                return undef;
 765        }
 766        my $owner = $gcos;
 767        $owner =~ s/[,;].*$//;
 768        return $owner;
 769}
 770
 771sub git_read_projects {
 772        my @list;
 773
 774        if (-d $projects_list) {
 775                # search in directory
 776                my $dir = $projects_list;
 777                opendir my $dh, $dir or return undef;
 778                while (my $dir = readdir($dh)) {
 779                        if (-e "$projectroot/$dir/HEAD") {
 780                                my $pr = {
 781                                        path => $dir,
 782                                };
 783                                push @list, $pr
 784                        }
 785                }
 786                closedir($dh);
 787        } elsif (-f $projects_list) {
 788                # read from file(url-encoded):
 789                # 'git%2Fgit.git Linus+Torvalds'
 790                # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
 791                # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
 792                open my $fd , $projects_list or return undef;
 793                while (my $line = <$fd>) {
 794                        chomp $line;
 795                        my ($path, $owner) = split ' ', $line;
 796                        $path = unescape($path);
 797                        $owner = unescape($owner);
 798                        if (!defined $path) {
 799                                next;
 800                        }
 801                        if (-e "$projectroot/$path/HEAD") {
 802                                my $pr = {
 803                                        path => $path,
 804                                        owner => $owner,
 805                                };
 806                                push @list, $pr
 807                        }
 808                }
 809                close $fd;
 810        }
 811        @list = sort {$a->{'path'} cmp $b->{'path'}} @list;
 812        return @list;
 813}
 814
 815sub git_project_list {
 816        my @list = git_read_projects();
 817        my @projects;
 818        if (!@list) {
 819                die_error(undef, "No project found.");
 820        }
 821        foreach my $pr (@list) {
 822                my $head = git_read_hash("$pr->{'path'}/HEAD");
 823                if (!defined $head) {
 824                        next;
 825                }
 826                $ENV{'GIT_DIR'} = "$projectroot/$pr->{'path'}";
 827                my %co = git_read_commit($head);
 828                if (!%co) {
 829                        next;
 830                }
 831                $pr->{'commit'} = \%co;
 832                if (!defined $pr->{'descr'}) {
 833                        my $descr = git_read_description($pr->{'path'}) || "";
 834                        $pr->{'descr'} = chop_str($descr, 25, 5);
 835                }
 836                if (!defined $pr->{'owner'}) {
 837                        $pr->{'owner'} = get_file_owner("$projectroot/$pr->{'path'}") || "";
 838                }
 839                push @projects, $pr;
 840        }
 841        git_header_html();
 842        if (-f $home_text) {
 843                print "<div class=\"index_include\">\n";
 844                open (my $fd, $home_text);
 845                print <$fd>;
 846                close $fd;
 847                print "</div>\n";
 848        }
 849        print "<table cellspacing=\"0\">\n" .
 850              "<tr>\n";
 851        if (!defined($order) || (defined($order) && ($order eq "project"))) {
 852                @projects = sort {$a->{'path'} cmp $b->{'path'}} @projects;
 853                print "<th>Project</th>\n";
 854        } else {
 855                print "<th>" . $cgi->a({-class => "header", -href => "$my_uri?" . esc_param("o=project")}, "Project") . "</th>\n";
 856        }
 857        if (defined($order) && ($order eq "descr")) {
 858                @projects = sort {$a->{'descr'} cmp $b->{'descr'}} @projects;
 859                print "<th>Description</th>\n";
 860        } else {
 861                print "<th>" . $cgi->a({-class => "header", -href => "$my_uri?" . esc_param("o=descr")}, "Description") . "</th>\n";
 862        }
 863        if (defined($order) && ($order eq "owner")) {
 864                @projects = sort {$a->{'owner'} cmp $b->{'owner'}} @projects;
 865                print "<th>Owner</th>\n";
 866        } else {
 867                print "<th>" . $cgi->a({-class => "header", -href => "$my_uri?" . esc_param("o=owner")}, "Owner") . "</th>\n";
 868        }
 869        if (defined($order) && ($order eq "age")) {
 870                @projects = sort {$a->{'commit'}{'age'} <=> $b->{'commit'}{'age'}} @projects;
 871                print "<th>Last Change</th>\n";
 872        } else {
 873                print "<th>" . $cgi->a({-class => "header", -href => "$my_uri?" . esc_param("o=age")}, "Last Change") . "</th>\n";
 874        }
 875        print "<th></th>\n" .
 876              "</tr>\n";
 877        my $alternate = 0;
 878        foreach my $pr (@projects) {
 879                if ($alternate) {
 880                        print "<tr class=\"dark\">\n";
 881                } else {
 882                        print "<tr class=\"light\">\n";
 883                }
 884                $alternate ^= 1;
 885                print "<td>" . $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=summary"), -class => "list"}, esc_html($pr->{'path'})) . "</td>\n" .
 886                      "<td>$pr->{'descr'}</td>\n" .
 887                      "<td><i>" . chop_str($pr->{'owner'}, 15) . "</i></td>\n";
 888                my $colored_age;
 889                if ($pr->{'commit'}{'age'} < 60*60*2) {
 890                        $colored_age = "<span style =\"color: #009900;\"><b><i>$pr->{'commit'}{'age_string'}</i></b></span>";
 891                } elsif ($pr->{'commit'}{'age'} < 60*60*24*2) {
 892                        $colored_age = "<span style =\"color: #009900;\"><i>$pr->{'commit'}{'age_string'}</i></span>";
 893                } else {
 894                        $colored_age = "<i>$pr->{'commit'}{'age_string'}</i>";
 895                }
 896                print "<td>$colored_age</td>\n" .
 897                      "<td class=\"link\">" .
 898                      $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=summary")}, "summary") .
 899                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=shortlog")}, "shortlog") .
 900                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=log")}, "log") .
 901                      "</td>\n" .
 902                      "</tr>\n";
 903        }
 904        print "</table>\n";
 905        git_footer_html();
 906}
 907
 908sub read_info_ref {
 909        my %refs;
 910        # 5dc01c595e6c6ec9ccda4f6f69c131c0dd945f8c      refs/tags/v2.6.11
 911        # c39ae07f393806ccf406ef966e9a15afc43cc36a      refs/tags/v2.6.11^{}
 912        open my $fd, "$projectroot/$project/info/refs" or return;
 913        while (my $line = <$fd>) {
 914                if ($line =~ m/^([0-9a-fA-F]{40})\t.*\/([^\^]+)/) {
 915                        $refs{$1} = $2;
 916                }
 917        }
 918        close $fd or return;
 919        return \%refs;
 920}
 921
 922sub git_read_refs {
 923        my $ref_dir = shift;
 924        my @reflist;
 925
 926        my @refs;
 927        opendir my $dh, "$projectroot/$project/$ref_dir";
 928        while (my $dir = readdir($dh)) {
 929                if ($dir =~ m/^\./) {
 930                        next;
 931                }
 932                if (-d "$projectroot/$project/$ref_dir/$dir") {
 933                        opendir my $dh2, "$projectroot/$project/$ref_dir/$dir";
 934                        my @subdirs = grep !m/^\./, readdir $dh2;
 935                        closedir($dh2);
 936                        foreach my $subdir (@subdirs) {
 937                                push @refs, "$dir/$subdir"
 938                        }
 939                        next;
 940                }
 941                push @refs, $dir;
 942        }
 943        closedir($dh);
 944        foreach my $ref_file (@refs) {
 945                my $ref_id = git_read_hash("$project/$ref_dir/$ref_file");
 946                my $type = git_get_type($ref_id) || next;
 947                my %ref_item;
 948                my %co;
 949                $ref_item{'type'} = $type;
 950                $ref_item{'id'} = $ref_id;
 951                $ref_item{'epoch'} = 0;
 952                $ref_item{'age'} = "unknown";
 953                if ($type eq "tag") {
 954                        my %tag = git_read_tag($ref_id);
 955                        $ref_item{'comment'} = $tag{'comment'};
 956                        if ($tag{'type'} eq "commit") {
 957                                %co = git_read_commit($tag{'object'});
 958                                $ref_item{'epoch'} = $co{'committer_epoch'};
 959                                $ref_item{'age'} = $co{'age_string'};
 960                        } elsif (defined($tag{'epoch'})) {
 961                                my $age = time - $tag{'epoch'};
 962                                $ref_item{'epoch'} = $tag{'epoch'};
 963                                $ref_item{'age'} = age_string($age);
 964                        }
 965                        $ref_item{'reftype'} = $tag{'type'};
 966                        $ref_item{'name'} = $tag{'name'};
 967                        $ref_item{'refid'} = $tag{'object'};
 968                } elsif ($type eq "commit"){
 969                        %co = git_read_commit($ref_id);
 970                        $ref_item{'reftype'} = "commit";
 971                        $ref_item{'name'} = $ref_file;
 972                        $ref_item{'title'} = $co{'title'};
 973                        $ref_item{'refid'} = $ref_id;
 974                        $ref_item{'epoch'} = $co{'committer_epoch'};
 975                        $ref_item{'age'} = $co{'age_string'};
 976                }
 977
 978                push @reflist, \%ref_item;
 979        }
 980        # sort tags by age
 981        @reflist = sort {$b->{'epoch'} <=> $a->{'epoch'}} @reflist;
 982        return \@reflist;
 983}
 984
 985sub git_summary {
 986        my $descr = git_read_description($project) || "none";
 987        my $head = git_read_hash("$project/HEAD");
 988        my %co = git_read_commit($head);
 989        my %cd = date_str($co{'committer_epoch'}, $co{'committer_tz'});
 990
 991        my $owner;
 992        if (-f $projects_list) {
 993                open (my $fd , $projects_list);
 994                while (my $line = <$fd>) {
 995                        chomp $line;
 996                        my ($pr, $ow) = split ' ', $line;
 997                        $pr = unescape($pr);
 998                        $ow = unescape($ow);
 999                        if ($pr eq $project) {
1000                                $owner = $ow;
1001                                last;
1002                        }
1003                }
1004                close $fd;
1005        }
1006        if (!defined $owner) {
1007                $owner = get_file_owner("$projectroot/$project");
1008        }
1009
1010        my $refs = read_info_ref();
1011        git_header_html();
1012        print "<div class=\"page_nav\">\n" .
1013              "summary".
1014              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
1015              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
1016              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$head")}, "commit") .
1017              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$head")}, "commitdiff") .
1018              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree")}, "tree") .
1019              "<br/><br/>\n" .
1020              "</div>\n";
1021        print "<div class=\"title\">&nbsp;</div>\n";
1022        print "<table cellspacing=\"0\">\n" .
1023              "<tr><td>description</td><td>" . esc_html($descr) . "</td></tr>\n" .
1024              "<tr><td>owner</td><td>$owner</td></tr>\n" .
1025              "<tr><td>last change</td><td>$cd{'rfc2822'}</td></tr>\n" .
1026              "</table>\n";
1027        open my $fd, "-|", "$gitbin/git-rev-list --max-count=17 " . git_read_hash("$project/HEAD") or die_error(undef, "Open failed.");
1028        my (@revlist) = map { chomp; $_ } <$fd>;
1029        close $fd;
1030        print "<div>\n" .
1031              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog"), -class => "title"}, "shortlog") .
1032              "</div>\n";
1033        my $i = 16;
1034        print "<table cellspacing=\"0\">\n";
1035        my $alternate = 0;
1036        foreach my $commit (@revlist) {
1037                my %co = git_read_commit($commit);
1038                my %ad = date_str($co{'author_epoch'});
1039                if ($alternate) {
1040                        print "<tr class=\"dark\">\n";
1041                } else {
1042                        print "<tr class=\"light\">\n";
1043                }
1044                $alternate ^= 1;
1045                if ($i-- > 0) {
1046                        print "<td><i>$co{'age_string'}</i></td>\n" .
1047                              "<td><i>" . esc_html(chop_str($co{'author_name'}, 10)) . "</i></td>\n" .
1048                              "<td>";
1049                        if (length($co{'title_short'}) < length($co{'title'})) {
1050                                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "list", -title => "$co{'title'}"},
1051                                      "<b>" . esc_html($co{'title_short'}) . "</b>");
1052                        } else {
1053                                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "list"},
1054                                      "<b>" . esc_html($co{'title'}) . "</b>");
1055                        }
1056                        if (defined $refs->{$commit}) {
1057                                print " <span class=\"tag\">$refs->{$commit}</span>";
1058                        }
1059                        print "</td>\n" .
1060                              "<td class=\"link\">" .
1061                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit")}, "commit") .
1062                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
1063                              "</td>\n" .
1064                              "</tr>";
1065                } else {
1066                        print "<td>" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "...") . "</td>\n" .
1067                        "</tr>";
1068                        last;
1069                }
1070        }
1071        print "</table\n>";
1072
1073        my $taglist = git_read_refs("refs/tags");
1074        if (defined @$taglist) {
1075                print "<div>\n" .
1076                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tags"), -class => "title"}, "tags") .
1077                      "</div>\n";
1078                my $i = 16;
1079                print "<table cellspacing=\"0\">\n";
1080                my $alternate = 0;
1081                foreach my $entry (@$taglist) {
1082                        my %tag = %$entry;
1083                        my $comment_lines = $tag{'comment'};
1084                        my $comment = shift @$comment_lines;
1085                        if (defined($comment)) {
1086                                $comment = chop_str($comment, 30, 5);
1087                        }
1088                        if ($alternate) {
1089                                print "<tr class=\"dark\">\n";
1090                        } else {
1091                                print "<tr class=\"light\">\n";
1092                        }
1093                        $alternate ^= 1;
1094                        if ($i-- > 0) {
1095                                print "<td><i>$tag{'age'}</i></td>\n" .
1096                                      "<td>" .
1097                                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'reftype'};h=$tag{'refid'}"), -class => "list"},
1098                                      "<b>" . esc_html($tag{'name'}) . "</b>") .
1099                                      "</td>\n" .
1100                                      "<td>";
1101                                if (defined($comment)) {
1102                                      print $cgi->a({-class => "list", -href => "$my_uri?" . esc_param("p=$project;a=tag;h=$tag{'id'}")}, $comment);
1103                                }
1104                                print "</td>\n" .
1105                                      "<td class=\"link\">";
1106                                if ($tag{'type'} eq "tag") {
1107                                      print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tag;h=$tag{'id'}")}, "tag") . " | ";
1108                                }
1109                                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'reftype'};h=$tag{'refid'}")}, $tag{'reftype'});
1110                                if ($tag{'reftype'} eq "commit") {
1111                                      print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}")}, "shortlog") .
1112                                            " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$tag{'refid'}")}, "log");
1113                                }
1114                                print "</td>\n" .
1115                                      "</tr>";
1116                        } else {
1117                                print "<td>" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tags")}, "...") . "</td>\n" .
1118                                "</tr>";
1119                                last;
1120                        }
1121                }
1122                print "</table\n>";
1123        }
1124
1125        my $headlist = git_read_refs("refs/heads");
1126        if (defined @$headlist) {
1127                print "<div>\n" .
1128                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=heads"), -class => "title"}, "heads") .
1129                      "</div>\n";
1130                my $i = 16;
1131                print "<table cellspacing=\"0\">\n";
1132                my $alternate = 0;
1133                foreach my $entry (@$headlist) {
1134                        my %tag = %$entry;
1135                        if ($alternate) {
1136                                print "<tr class=\"dark\">\n";
1137                        } else {
1138                                print "<tr class=\"light\">\n";
1139                        }
1140                        $alternate ^= 1;
1141                        if ($i-- > 0) {
1142                                print "<td><i>$tag{'age'}</i></td>\n" .
1143                                      "<td>" .
1144                                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}"), -class => "list"},
1145                                      "<b>" . esc_html($tag{'name'}) . "</b>") .
1146                                      "</td>\n" .
1147                                      "<td class=\"link\">" .
1148                                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}")}, "shortlog") .
1149                                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$tag{'name'}")}, "log") .
1150                                      "</td>\n" .
1151                                      "</tr>";
1152                        } else {
1153                                print "<td>" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=heads")}, "...") . "</td>\n" .
1154                                "</tr>";
1155                                last;
1156                        }
1157                }
1158                print "</table\n>";
1159        }
1160        git_footer_html();
1161}
1162
1163sub git_tag {
1164        my $head = git_read_hash("$project/HEAD");
1165        git_header_html();
1166        print "<div class=\"page_nav\">\n" .
1167              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1168              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
1169              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
1170              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$head")}, "commit") .
1171              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$head")}, "commitdiff") .
1172              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;hb=$head")}, "tree") . "<br/>\n" .
1173              "<br/>\n" .
1174              "</div>\n";
1175        my %tag = git_read_tag($hash);
1176        print "<div>\n" .
1177              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash"), -class => "title"}, esc_html($tag{'name'})) . "\n" .
1178              "</div>\n";
1179        print "<div class=\"title_text\">\n" .
1180              "<table cellspacing=\"0\">\n" .
1181              "<tr>\n" .
1182              "<td>object</td>\n" .
1183              "<td>" . $cgi->a({-class => "list", -href => "$my_uri?" . esc_param("p=$project;a=$tag{'type'};h=$tag{'object'}")}, $tag{'object'}) . "</td>\n" .
1184              "<td class=\"link\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'type'};h=$tag{'object'}")}, $tag{'type'}) . "</td>\n" .
1185              "</tr>\n";
1186        if (defined($tag{'author'})) {
1187                my %ad = date_str($tag{'epoch'}, $tag{'tz'});
1188                print "<tr><td>author</td><td>" . esc_html($tag{'author'}) . "</td></tr>\n";
1189                print "<tr><td></td><td>" . $ad{'rfc2822'} . sprintf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'}) . "</td></tr>\n";
1190        }
1191        print "</table>\n\n" .
1192              "</div>\n";
1193        print "<div class=\"page_body\">";
1194        my $comment = $tag{'comment'};
1195        foreach my $line (@$comment) {
1196                print esc_html($line) . "<br/>\n";
1197        }
1198        print "</div>\n";
1199        git_footer_html();
1200}
1201
1202sub git_tags {
1203        my $head = git_read_hash("$project/HEAD");
1204        git_header_html();
1205        print "<div class=\"page_nav\">\n" .
1206              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1207              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
1208              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
1209              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$head")}, "commit") .
1210              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$head")}, "commitdiff") .
1211              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;hb=$head")}, "tree") . "<br/>\n" .
1212              "<br/>\n" .
1213              "</div>\n";
1214        my $taglist = git_read_refs("refs/tags");
1215        print "<div>\n" .
1216              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary"), -class => "title"}, "&nbsp;") .
1217              "</div>\n";
1218        print "<table cellspacing=\"0\">\n";
1219        my $alternate = 0;
1220        if (defined @$taglist) {
1221                foreach my $entry (@$taglist) {
1222                        my %tag = %$entry;
1223                        my $comment_lines = $tag{'comment'};
1224                        my $comment = shift @$comment_lines;
1225                        if (defined($comment)) {
1226                                $comment = chop_str($comment, 30, 5);
1227                        }
1228                        if ($alternate) {
1229                                print "<tr class=\"dark\">\n";
1230                        } else {
1231                                print "<tr class=\"light\">\n";
1232                        }
1233                        $alternate ^= 1;
1234                        print "<td><i>$tag{'age'}</i></td>\n" .
1235                              "<td>" .
1236                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'reftype'};h=$tag{'refid'}"), -class => "list"},
1237                              "<b>" . esc_html($tag{'name'}) . "</b>") .
1238                              "</td>\n" .
1239                              "<td>";
1240                        if (defined($comment)) {
1241                              print $cgi->a({-class => "list", -href => "$my_uri?" . esc_param("p=$project;a=tag;h=$tag{'id'}")}, $comment);
1242                        }
1243                        print "</td>\n" .
1244                              "<td class=\"link\">";
1245                        if ($tag{'type'} eq "tag") {
1246                              print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tag;h=$tag{'id'}")}, "tag") . " | ";
1247                        }
1248                        print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'reftype'};h=$tag{'refid'}")}, $tag{'reftype'});
1249                        if ($tag{'reftype'} eq "commit") {
1250                              print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}")}, "shortlog") .
1251                                    " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$tag{'refid'}")}, "log");
1252                        }
1253                        print "</td>\n" .
1254                              "</tr>";
1255                }
1256        }
1257        print "</table\n>";
1258        git_footer_html();
1259}
1260
1261sub git_heads {
1262        my $head = git_read_hash("$project/HEAD");
1263        git_header_html();
1264        print "<div class=\"page_nav\">\n" .
1265              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1266              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
1267              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
1268              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$head")}, "commit") .
1269              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$head")}, "commitdiff") .
1270              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;hb=$head")}, "tree") . "<br/>\n" .
1271              "<br/>\n" .
1272              "</div>\n";
1273        my $taglist = git_read_refs("refs/heads");
1274        print "<div>\n" .
1275              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary"), -class => "title"}, "&nbsp;") .
1276              "</div>\n";
1277        print "<table cellspacing=\"0\">\n";
1278        my $alternate = 0;
1279        if (defined @$taglist) {
1280                foreach my $entry (@$taglist) {
1281                        my %tag = %$entry;
1282                        if ($alternate) {
1283                                print "<tr class=\"dark\">\n";
1284                        } else {
1285                                print "<tr class=\"light\">\n";
1286                        }
1287                        $alternate ^= 1;
1288                        print "<td><i>$tag{'age'}</i></td>\n" .
1289                              "<td>" .
1290                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}"), -class => "list"}, "<b>" . esc_html($tag{'name'}) . "</b>") .
1291                              "</td>\n" .
1292                              "<td class=\"link\">" .
1293                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}")}, "shortlog") .
1294                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$tag{'name'}")}, "log") .
1295                              "</td>\n" .
1296                              "</tr>";
1297                }
1298        }
1299        print "</table\n>";
1300        git_footer_html();
1301}
1302
1303sub git_get_hash_by_path {
1304        my $base = shift;
1305        my $path = shift || return undef;
1306
1307        my $tree = $base;
1308        my @parts = split '/', $path;
1309        while (my $part = shift @parts) {
1310                open my $fd, "-|", "$gitbin/git-ls-tree $tree" or die_error(undef, "Open git-ls-tree failed.");
1311                my (@entries) = map { chomp; $_ } <$fd>;
1312                close $fd or return undef;
1313                foreach my $line (@entries) {
1314                        #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
1315                        $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
1316                        my $t_mode = $1;
1317                        my $t_type = $2;
1318                        my $t_hash = $3;
1319                        my $t_name = validate_input(unquote($4));
1320                        if ($t_name eq $part) {
1321                                if (!(@parts)) {
1322                                        return $t_hash;
1323                                }
1324                                if ($t_type eq "tree") {
1325                                        $tree = $t_hash;
1326                                }
1327                                last;
1328                        }
1329                }
1330        }
1331}
1332
1333sub git_blob {
1334        if (!defined $hash && defined $file_name) {
1335                my $base = $hash_base || git_read_hash("$project/HEAD");
1336                $hash = git_get_hash_by_path($base, $file_name, "blob") || die_error(undef, "Error lookup file.");
1337        }
1338        open my $fd, "-|", "$gitbin/git-cat-file blob $hash" or die_error(undef, "Open failed.");
1339        git_header_html();
1340        if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
1341                print "<div class=\"page_nav\">\n" .
1342                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1343                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
1344                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
1345                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base")}, "commit") .
1346                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash_base")}, "commitdiff") .
1347                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash_base")}, "tree") . "<br/>\n";
1348                if (defined $file_name) {
1349                        print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob_plain;h=$hash;f=$file_name")}, "plain") .
1350                        " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;hb=HEAD;f=$file_name")}, "head") . "<br/>\n";
1351                } else {
1352                        print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob_plain;h=$hash")}, "plain") . "<br/>\n";
1353                }
1354                print "</div>\n".
1355                       "<div>" .
1356                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base"), -class => "title"}, esc_html($co{'title'})) .
1357                      "</div>\n";
1358        } else {
1359                print "<div class=\"page_nav\">\n" .
1360                      "<br/><br/></div>\n" .
1361                      "<div class=\"title\">$hash</div>\n";
1362        }
1363        if (defined $file_name) {
1364                print "<div class=\"page_path\"><b>" . esc_html($file_name) . "</b></div>\n";
1365        }
1366        print "<div class=\"page_body\">\n";
1367        my $nr;
1368        while (my $line = <$fd>) {
1369                chomp $line;
1370                $nr++;
1371                while ((my $pos = index($line, "\t")) != -1) {
1372                        if (my $count = (8 - ($pos % 8))) {
1373                                my $spaces = ' ' x $count;
1374                                $line =~ s/\t/$spaces/;
1375                        }
1376                }
1377                printf "<div class=\"pre\"><a id=\"l%i\" href=\"#l%i\" class=\"linenr\">%4i</a> %s</div>\n", $nr, $nr, $nr, esc_html($line);
1378        }
1379        close $fd or print "Reading blob failed.\n";
1380        print "</div>";
1381        git_footer_html();
1382}
1383
1384sub git_blob_plain {
1385        my $save_as = "$hash.txt";
1386        if (defined $file_name) {
1387                $save_as = $file_name;
1388        }
1389        print $cgi->header(-type => "text/plain", -charset => 'utf-8', '-content-disposition' => "inline; filename=\"$save_as\"");
1390        open my $fd, "-|", "$gitbin/git-cat-file blob $hash" or return;
1391        undef $/;
1392        print <$fd>;
1393        $/ = "\n";
1394        close $fd;
1395}
1396
1397sub git_tree {
1398        if (!defined $hash) {
1399                $hash = git_read_hash("$project/HEAD");
1400                if (defined $file_name) {
1401                        my $base = $hash_base || git_read_hash("$project/HEAD");
1402                        $hash = git_get_hash_by_path($base, $file_name, "tree");
1403                }
1404                if (!defined $hash_base) {
1405                        $hash_base = git_read_hash("$project/HEAD");
1406                }
1407        }
1408        $/ = "\0";
1409        open my $fd, "-|", "$gitbin/git-ls-tree -z $hash" or die_error(undef, "Open git-ls-tree failed.");
1410        chomp (my (@entries) = <$fd>);
1411        close $fd or die_error(undef, "Reading tree failed.");
1412        $/ = "\n";
1413
1414        git_header_html();
1415        my $base_key = "";
1416        my $base = "";
1417        if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
1418                $base_key = ";hb=$hash_base";
1419                print "<div class=\"page_nav\">\n" .
1420                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1421                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash_base")}, "shortlog") .
1422                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash_base")}, "log") .
1423                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base")}, "commit") .
1424                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash_base")}, "commitdiff") .
1425                      " | tree" .
1426                      "<br/><br/>\n" .
1427                      "</div>\n";
1428                print "<div>\n" .
1429                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base"), -class => "title"}, esc_html($co{'title'})) . "\n" .
1430                      "</div>\n";
1431        } else {
1432                print "<div class=\"page_nav\">\n";
1433                print "<br/><br/></div>\n";
1434                print "<div class=\"title\">$hash</div>\n";
1435        }
1436        if (defined $file_name) {
1437                $base = esc_html("$file_name/");
1438                print "<div class=\"page_path\"><b>/" . esc_html($file_name) . "</b></div>\n";
1439        } else {
1440                print "<div class=\"page_path\"><b>/</b></div>\n";
1441        }
1442        print "<div class=\"page_body\">\n";
1443        print "<table cellspacing=\"0\">\n";
1444        my $alternate = 0;
1445        foreach my $line (@entries) {
1446                #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
1447                $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
1448                my $t_mode = $1;
1449                my $t_type = $2;
1450                my $t_hash = $3;
1451                my $t_name = validate_input($4);
1452                if ($alternate) {
1453                        print "<tr class=\"dark\">\n";
1454                } else {
1455                        print "<tr class=\"light\">\n";
1456                }
1457                $alternate ^= 1;
1458                print "<td style=\"font-family:monospace\">" . mode_str($t_mode) . "</td>\n";
1459                if ($t_type eq "blob") {
1460                        print "<td class=\"list\">" .
1461                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$t_hash$base_key;f=$base$t_name"), -class => "list"}, esc_html($t_name)) .
1462                              "</td>\n" .
1463                              "<td class=\"link\">" .
1464                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$t_hash$base_key;f=$base$t_name")}, "blob") .
1465                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=history;h=$hash_base;f=$base$t_name")}, "history") .
1466                              "</td>\n";
1467                } elsif ($t_type eq "tree") {
1468                        print "<td class=\"list\">" .
1469                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$t_hash$base_key;f=$base$t_name")}, esc_html($t_name)) .
1470                              "</td>\n" .
1471                              "<td class=\"link\">" .
1472                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$t_hash$base_key;f=$base$t_name")}, "tree") .
1473                              "</td>\n";
1474                }
1475                print "</tr>\n";
1476        }
1477        print "</table>\n" .
1478              "</div>";
1479        git_footer_html();
1480}
1481
1482sub git_rss {
1483        # http://www.notestips.com/80256B3A007F2692/1/NAMO5P9UPQ
1484        open my $fd, "-|", "$gitbin/git-rev-list --max-count=150 " . git_read_hash("$project/HEAD") or die_error(undef, "Open failed.");
1485        my (@revlist) = map { chomp; $_ } <$fd>;
1486        close $fd or die_error(undef, "Reading rev-list failed.");
1487        print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
1488        print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
1489              "<rss version=\"2.0\" xmlns:content=\"http://purl.org/rss/1.0/modules/content/\">\n";
1490        print "<channel>\n";
1491        print "<title>$project</title>\n".
1492              "<link>" . esc_html("$my_url?p=$project;a=summary") . "</link>\n".
1493              "<description>$project log</description>\n".
1494              "<language>en</language>\n";
1495
1496        for (my $i = 0; $i <= $#revlist; $i++) {
1497                my $commit = $revlist[$i];
1498                my %co = git_read_commit($commit);
1499                # we read 150, we always show 30 and the ones more recent than 48 hours
1500                if (($i >= 20) && ((time - $co{'committer_epoch'}) > 48*60*60)) {
1501                        last;
1502                }
1503                my %cd = date_str($co{'committer_epoch'});
1504                open $fd, "-|", "$gitbin/git-diff-tree -r $co{'parent'} $co{'id'}" or next;
1505                my @difftree = map { chomp; $_ } <$fd>;
1506                close $fd or next;
1507                print "<item>\n" .
1508                      "<title>" .
1509                      sprintf("%d %s %02d:%02d", $cd{'mday'}, $cd{'month'}, $cd{'hour'}, $cd{'minute'}) . " - " . esc_html($co{'title'}) .
1510                      "</title>\n" .
1511                      "<author>" . esc_html($co{'author'}) . "</author>\n" .
1512                      "<pubDate>$cd{'rfc2822'}</pubDate>\n" .
1513                      "<guid isPermaLink=\"true\">" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</guid>\n" .
1514                      "<link>" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</link>\n" .
1515                      "<description>" . esc_html($co{'title'}) . "</description>\n" .
1516                      "<content:encoded>" .
1517                      "<![CDATA[\n";
1518                my $comment = $co{'comment'};
1519                foreach my $line (@$comment) {
1520                        $line = decode("utf8", $line, Encode::FB_DEFAULT);
1521                        print "$line<br/>\n";
1522                }
1523                print "<br/>\n";
1524                foreach my $line (@difftree) {
1525                        if (!($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/)) {
1526                                next;
1527                        }
1528                        my $file = validate_input(unquote($7));
1529                        $file = decode("utf8", $file, Encode::FB_DEFAULT);
1530                        print "$file<br/>\n";
1531                }
1532                print "]]>\n" .
1533                      "</content:encoded>\n" .
1534                      "</item>\n";
1535        }
1536        print "</channel></rss>";
1537}
1538
1539sub git_opml {
1540        my @list = git_read_projects();
1541
1542        print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
1543        print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
1544              "<opml version=\"1.0\">\n".
1545              "<head>".
1546              "  <title>Git OPML Export</title>\n".
1547              "</head>\n".
1548              "<body>\n".
1549              "<outline text=\"git RSS feeds\">\n";
1550
1551        foreach my $pr (@list) {
1552                my %proj = %$pr;
1553                my $head = git_read_hash("$proj{'path'}/HEAD");
1554                if (!defined $head) {
1555                        next;
1556                }
1557                $ENV{'GIT_DIR'} = "$projectroot/$proj{'path'}";
1558                my %co = git_read_commit($head);
1559                if (!%co) {
1560                        next;
1561                }
1562
1563                my $path = esc_html(chop_str($proj{'path'}, 25, 5));
1564                my $rss =  "$my_url?p=$proj{'path'};a=rss";
1565                my $html =  "$my_url?p=$proj{'path'};a=summary";
1566                print "<outline type=\"rss\" text=\"$path\" title=\"$path\" xmlUrl=\"$rss\" htmlUrl=\"$html\"/>\n";
1567        }
1568        print "</outline>\n".
1569              "</body>\n".
1570              "</opml>\n";
1571}
1572
1573sub git_log {
1574        my $head = git_read_hash("$project/HEAD");
1575        if (!defined $hash) {
1576                $hash = $head;
1577        }
1578        if (!defined $page) {
1579                $page = 0;
1580        }
1581        my $refs = read_info_ref();
1582        git_header_html();
1583        print "<div class=\"page_nav\">\n";
1584        print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1585              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash")}, "shortlog") .
1586              " | log" .
1587              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash")}, "commit") .
1588              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash")}, "commitdiff") .
1589              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$hash;hb=$hash")}, "tree") . "<br/>\n";
1590
1591        my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
1592        open my $fd, "-|", "$gitbin/git-rev-list $limit $hash" or die_error(undef, "Open failed.");
1593        my (@revlist) = map { chomp; $_ } <$fd>;
1594        close $fd;
1595
1596        if ($hash ne $head || $page) {
1597                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "HEAD");
1598        } else {
1599                print "HEAD";
1600        }
1601        if ($page > 0) {
1602                print " &sdot; " .
1603                $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash;pg=" . ($page-1)), -accesskey => "p", -title => "Alt-p"}, "prev");
1604        } else {
1605                print " &sdot; prev";
1606        }
1607        if ($#revlist >= (100 * ($page+1)-1)) {
1608                print " &sdot; " .
1609                $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash;pg=" . ($page+1)), -accesskey => "n", -title => "Alt-n"}, "next");
1610        } else {
1611                print " &sdot; next";
1612        }
1613        print "<br/>\n" .
1614              "</div>\n";
1615        if (!@revlist) {
1616                print "<div>\n" .
1617                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary"), -class => "title"}, "&nbsp;") .
1618                      "</div>\n";
1619                my %co = git_read_commit($hash);
1620                print "<div class=\"page_body\"> Last change $co{'age_string'}.<br/><br/></div>\n";
1621        }
1622        for (my $i = ($page * 100); $i <= $#revlist; $i++) {
1623                my $commit = $revlist[$i];
1624                my $ref = "";
1625                if (defined $refs->{$commit}) {
1626                        $ref = " <span class=\"tag\">$refs->{$commit}</span>";
1627                }
1628                my %co = git_read_commit($commit);
1629                next if !%co;
1630                my %ad = date_str($co{'author_epoch'});
1631                print "<div>\n" .
1632                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "title"},
1633                      "<span class=\"age\">$co{'age_string'}</span>" . esc_html($co{'title'}) . $ref) . "\n";
1634                print "</div>\n";
1635                print "<div class=\"title_text\">\n" .
1636                      "<div class=\"log_link\">\n" .
1637                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit")}, "commit") .
1638                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
1639                      "<br/>\n" .
1640                      "</div>\n" .
1641                      "<i>" . esc_html($co{'author_name'}) .  " [$ad{'rfc2822'}]</i><br/>\n" .
1642                      "</div>\n" .
1643                      "<div class=\"log_body\">\n";
1644                my $comment = $co{'comment'};
1645                my $empty = 0;
1646                foreach my $line (@$comment) {
1647                        if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1648                                next;
1649                        }
1650                        if ($line eq "") {
1651                                if ($empty) {
1652                                        next;
1653                                }
1654                                $empty = 1;
1655                        } else {
1656                                $empty = 0;
1657                        }
1658                        print format_log_line_html($line) . "<br/>\n";
1659                }
1660                if (!$empty) {
1661                        print "<br/>\n";
1662                }
1663                print "</div>\n";
1664        }
1665        git_footer_html();
1666}
1667
1668sub git_commit {
1669        my %co = git_read_commit($hash);
1670        if (!%co) {
1671                die_error(undef, "Unknown commit object.");
1672        }
1673        my %ad = date_str($co{'author_epoch'}, $co{'author_tz'});
1674        my %cd = date_str($co{'committer_epoch'}, $co{'committer_tz'});
1675
1676        my @difftree;
1677        my $root = "";
1678        my $parent = $co{'parent'};
1679        if (!defined $parent) {
1680                $root = " --root";
1681                $parent = "";
1682        }
1683        open my $fd, "-|", "$gitbin/git-diff-tree -r -M $root $parent $hash" or die_error(undef, "Open failed.");
1684        @difftree = map { chomp; $_ } <$fd>;
1685        close $fd or die_error(undef, "Reading diff-tree failed.");
1686
1687        # non-textual hash id's can be cached
1688        my $expires;
1689        if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
1690                $expires = "+1d";
1691        }
1692        git_header_html(undef, $expires);
1693        print "<div class=\"page_nav\">\n" .
1694              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1695              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash")}, "shortlog") .
1696              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash")}, "log") .
1697              " | commit";
1698        if (defined $co{'parent'}) {
1699                print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash")}, "commitdiff");
1700        }
1701        print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") . "\n" .
1702              "<br/><br/></div>\n";
1703        if (defined $co{'parent'}) {
1704                print "<div>\n" .
1705                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash"), -class => "title"}, esc_html($co{'title'})) . "\n" .
1706                      "</div>\n";
1707        } else {
1708                print "<div>\n" .
1709                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash"), -class => "title"}, esc_html($co{'title'})) . "\n" .
1710                      "</div>\n";
1711        }
1712        print "<div class=\"title_text\">\n" .
1713              "<table cellspacing=\"0\">\n";
1714        print "<tr><td>author</td><td>" . esc_html($co{'author'}) . "</td></tr>\n".
1715              "<tr>" .
1716              "<td></td><td> $ad{'rfc2822'}";
1717        if ($ad{'hour_local'} < 6) {
1718                printf(" (<span style=\"color: #cc0000;\">%02d:%02d</span> %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1719        } else {
1720                printf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1721        }
1722        print "</td>" .
1723              "</tr>\n";
1724        print "<tr><td>committer</td><td>" . esc_html($co{'committer'}) . "</td></tr>\n";
1725        print "<tr><td></td><td> $cd{'rfc2822'}" . sprintf(" (%02d:%02d %s)", $cd{'hour_local'}, $cd{'minute_local'}, $cd{'tz_local'}) . "</td></tr>\n";
1726        print "<tr><td>commit</td><td style=\"font-family:monospace\">$co{'id'}</td></tr>\n";
1727        print "<tr>" .
1728              "<td>tree</td>" .
1729              "<td style=\"font-family:monospace\">" .
1730              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash"), class => "list"}, $co{'tree'}) .
1731              "</td>" .
1732              "<td class=\"link\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") .
1733              "</td>" .
1734              "</tr>\n";
1735        my $parents  = $co{'parents'};
1736        foreach my $par (@$parents) {
1737                print "<tr>" .
1738                      "<td>parent</td>" .
1739                      "<td style=\"font-family:monospace\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$par"), class => "list"}, $par) . "</td>" .
1740                      "<td class=\"link\">" .
1741                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$par")}, "commit") .
1742                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash;hp=$par")}, "commitdiff") .
1743                      "</td>" .
1744                      "</tr>\n";
1745        }
1746        print "</table>". 
1747              "</div>\n";
1748        print "<div class=\"page_body\">\n";
1749        my $comment = $co{'comment'};
1750        my $empty = 0;
1751        my $signed = 0;
1752        foreach my $line (@$comment) {
1753                # print only one empty line
1754                if ($line eq "") {
1755                        if ($empty || $signed) {
1756                                next;
1757                        }
1758                        $empty = 1;
1759                } else {
1760                        $empty = 0;
1761                }
1762                if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1763                        $signed = 1;
1764                        print "<span style=\"color: #888888\">" . esc_html($line) . "</span><br/>\n";
1765                } else {
1766                        $signed = 0;
1767                        print format_log_line_html($line) . "<br/>\n";
1768                }
1769        }
1770        print "</div>\n";
1771        print "<div class=\"list_head\">\n";
1772        if ($#difftree > 10) {
1773                print(($#difftree + 1) . " files changed:\n");
1774        }
1775        print "</div>\n";
1776        print "<table cellspacing=\"0\">\n";
1777        my $alternate = 0;
1778        foreach my $line (@difftree) {
1779                # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M      ls-files.c'
1780                # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M      rev-tree.c'
1781                if (!($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/)) {
1782                        next;
1783                }
1784                my $from_mode = $1;
1785                my $to_mode = $2;
1786                my $from_id = $3;
1787                my $to_id = $4;
1788                my $status = $5;
1789                my $similarity = $6;
1790                my $file = validate_input(unquote($7));
1791                if ($alternate) {
1792                        print "<tr class=\"dark\">\n";
1793                } else {
1794                        print "<tr class=\"light\">\n";
1795                }
1796                $alternate ^= 1;
1797                if ($status eq "A") {
1798                        my $mode_chng = "";
1799                        if (S_ISREG(oct $to_mode)) {
1800                                $mode_chng = sprintf(" with mode: %04o", (oct $to_mode) & 0777);
1801                        }
1802                        print "<td>" .
1803                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file"), -class => "list"}, esc_html($file)) . "</td>\n" .
1804                              "<td><span style=\"color: #008000;\">[new " . file_type($to_mode) . "$mode_chng]</span></td>\n" .
1805                              "<td class=\"link\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, "blob") . "</td>\n";
1806                } elsif ($status eq "D") {
1807                        print "<td>" .
1808                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash;f=$file"), -class => "list"}, esc_html($file)) . "</td>\n" .
1809                              "<td><span style=\"color: #c00000;\">[deleted " . file_type($from_mode). "]</span></td>\n" .
1810                              "<td class=\"link\">" .
1811                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash;f=$file")}, "blob") .
1812                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=history;h=$hash;f=$file")}, "history") .
1813                              "</td>\n"
1814                } elsif ($status eq "M" || $status eq "T") {
1815                        my $mode_chnge = "";
1816                        if ($from_mode != $to_mode) {
1817                                $mode_chnge = " <span style=\"color: #777777;\">[changed";
1818                                if (((oct $from_mode) & S_IFMT) != ((oct $to_mode) & S_IFMT)) {
1819                                        $mode_chnge .= " from " . file_type($from_mode) . " to " . file_type($to_mode);
1820                                }
1821                                if (((oct $from_mode) & 0777) != ((oct $to_mode) & 0777)) {
1822                                        if (S_ISREG($from_mode) && S_ISREG($to_mode)) {
1823                                                $mode_chnge .= sprintf(" mode: %04o->%04o", (oct $from_mode) & 0777, (oct $to_mode) & 0777);
1824                                        } elsif (S_ISREG($to_mode)) {
1825                                                $mode_chnge .= sprintf(" mode: %04o", (oct $to_mode) & 0777);
1826                                        }
1827                                }
1828                                $mode_chnge .= "]</span>\n";
1829                        }
1830                        print "<td>";
1831                        if ($to_id ne $from_id) {
1832                                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));
1833                        } else {
1834                                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file"), -class => "list"}, esc_html($file));
1835                        }
1836                        print "</td>\n" .
1837                              "<td>$mode_chnge</td>\n" .
1838                              "<td class=\"link\">";
1839                        print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, "blob");
1840                        if ($to_id ne $from_id) {
1841                                print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$file")}, "diff");
1842                        }
1843                        print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=history;h=$hash;f=$file")}, "history") . "\n";
1844                        print "</td>\n";
1845                } elsif ($status eq "R") {
1846                        my ($from_file, $to_file) = split "\t", $file;
1847                        my $mode_chng = "";
1848                        if ($from_mode != $to_mode) {
1849                                $mode_chng = sprintf(", mode: %04o", (oct $to_mode) & 0777);
1850                        }
1851                        print "<td>" .
1852                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$to_file"), -class => "list"}, esc_html($to_file)) . "</td>\n" .
1853                              "<td><span style=\"color: #777777;\">[moved from " .
1854                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash;f=$from_file"), -class => "list"}, esc_html($from_file)) .
1855                              " with " . (int $similarity) . "% similarity$mode_chng]</span></td>\n" .
1856                              "<td class=\"link\">" .
1857                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$to_file")}, "blob");
1858                        if ($to_id ne $from_id) {
1859                                print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$to_file")}, "diff");
1860                        }
1861                        print "</td>\n";
1862                }
1863                print "</tr>\n";
1864        }
1865        print "</table>\n";
1866        git_footer_html();
1867}
1868
1869sub git_blobdiff {
1870        mkdir($git_temp, 0700);
1871        git_header_html();
1872        if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
1873                print "<div class=\"page_nav\">\n" .
1874                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1875                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
1876                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
1877                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base")}, "commit") .
1878                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash_base")}, "commitdiff") .
1879                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash_base")}, "tree") .
1880                      "<br/>\n";
1881                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff_plain;h=$hash;hp=$hash_parent")}, "plain") .
1882                      "</div>\n";
1883                print "<div>\n" .
1884                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base"), -class => "title"}, esc_html($co{'title'})) . "\n" .
1885                      "</div>\n";
1886        } else {
1887                print "<div class=\"page_nav\">\n" .
1888                      "<br/><br/></div>\n" .
1889                      "<div class=\"title\">$hash vs $hash_parent</div>\n";
1890        }
1891        if (defined $file_name) {
1892                print "<div class=\"page_path\"><b>/" . esc_html($file_name) . "</b></div>\n";
1893        }
1894        print "<div class=\"page_body\">\n" .
1895              "<div class=\"diff_info\">blob:" .
1896              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$hash_parent;hb=$hash_base;f=$file_name")}, $hash_parent) .
1897              " -> blob:" .
1898              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$hash;hb=$hash_base;f=$file_name")}, $hash) .
1899              "</div>\n";
1900        git_diff_print($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash);
1901        print "</div>";
1902        git_footer_html();
1903}
1904
1905sub git_blobdiff_plain {
1906        mkdir($git_temp, 0700);
1907        print $cgi->header(-type => "text/plain", -charset => 'utf-8');
1908        git_diff_print($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash, "plain");
1909}
1910
1911sub git_commitdiff {
1912        mkdir($git_temp, 0700);
1913        my %co = git_read_commit($hash);
1914        if (!%co) {
1915                die_error(undef, "Unknown commit object.");
1916        }
1917        if (!defined $hash_parent) {
1918                $hash_parent = $co{'parent'};
1919        }
1920        open my $fd, "-|", "$gitbin/git-diff-tree -r $hash_parent $hash" or die_error(undef, "Open failed.");
1921        my (@difftree) = map { chomp; $_ } <$fd>;
1922        close $fd or die_error(undef, "Reading diff-tree failed.");
1923
1924        # non-textual hash id's can be cached
1925        my $expires;
1926        if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
1927                $expires = "+1d";
1928        }
1929        git_header_html(undef, $expires);
1930        print "<div class=\"page_nav\">\n" .
1931              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1932              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash")}, "shortlog") .
1933              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash")}, "log") .
1934              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash")}, "commit") .
1935              " | commitdiff" .
1936              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") . "<br/>\n";
1937        print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff_plain;h=$hash;hp=$hash_parent")}, "plain") . "\n" .
1938              "</div>\n";
1939        print "<div>\n" .
1940              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash"), -class => "title"}, esc_html($co{'title'})) . "\n" .
1941              "</div>\n";
1942        print "<div class=\"page_body\">\n";
1943        my $comment = $co{'comment'};
1944        my $empty = 0;
1945        my $signed = 0;
1946        my @log = @$comment;
1947        # remove first and empty lines after that
1948        shift @log;
1949        while (defined $log[0] && $log[0] eq "") {
1950                shift @log;
1951        }
1952        foreach my $line (@log) {
1953                if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1954                        next;
1955                }
1956                if ($line eq "") {
1957                        if ($empty) {
1958                                next;
1959                        }
1960                        $empty = 1;
1961                } else {
1962                        $empty = 0;
1963                }
1964                print format_log_line_html($line) . "<br/>\n";
1965        }
1966        print "<br/>\n";
1967        foreach my $line (@difftree) {
1968                # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M      ls-files.c'
1969                # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M      rev-tree.c'
1970                $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/;
1971                my $from_mode = $1;
1972                my $to_mode = $2;
1973                my $from_id = $3;
1974                my $to_id = $4;
1975                my $status = $5;
1976                my $file = validate_input(unquote($6));
1977                if ($status eq "A") {
1978                        print "<div class=\"diff_info\">" .  file_type($to_mode) . ":" .
1979                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, $to_id) . "(new)" .
1980                              "</div>\n";
1981                        git_diff_print(undef, "/dev/null", $to_id, "b/$file");
1982                } elsif ($status eq "D") {
1983                        print "<div class=\"diff_info\">" . file_type($from_mode) . ":" .
1984                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash;f=$file")}, $from_id) . "(deleted)" .
1985                              "</div>\n";
1986                        git_diff_print($from_id, "a/$file", undef, "/dev/null");
1987                } elsif ($status eq "M") {
1988                        if ($from_id ne $to_id) {
1989                                print "<div class=\"diff_info\">" .
1990                                      file_type($from_mode) . ":" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash;f=$file")}, $from_id) .
1991                                      " -> " .
1992                                      file_type($to_mode) . ":" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, $to_id);
1993                                print "</div>\n";
1994                                git_diff_print($from_id, "a/$file",  $to_id, "b/$file");
1995                        }
1996                }
1997        }
1998        print "<br/>\n" .
1999              "</div>";
2000        git_footer_html();
2001}
2002
2003sub git_commitdiff_plain {
2004        mkdir($git_temp, 0700);
2005        open my $fd, "-|", "$gitbin/git-diff-tree -r $hash_parent $hash" or die_error(undef, "Open failed.");
2006        my (@difftree) = map { chomp; $_ } <$fd>;
2007        close $fd or die_error(undef, "Reading diff-tree failed.");
2008
2009        # try to figure out the next tag after this commit
2010        my $tagname;
2011        my $refs = read_info_ref();
2012        open $fd, "-|", "$gitbin/git-rev-list HEAD";
2013        chomp (my (@commits) = <$fd>);
2014        close $fd;
2015        foreach my $commit (@commits) {
2016                if (defined $refs->{$commit}) {
2017                        $tagname = $refs->{$commit}
2018                }
2019                if ($commit eq $hash) {
2020                        last;
2021                }
2022        }
2023
2024        print $cgi->header(-type => "text/plain", -charset => 'utf-8', '-content-disposition' => "inline; filename=\"git-$hash.patch\"");
2025        my %co = git_read_commit($hash);
2026        my %ad = date_str($co{'author_epoch'}, $co{'author_tz'});
2027        my $comment = $co{'comment'};
2028        print "From: $co{'author'}\n" .
2029              "Date: $ad{'rfc2822'} ($ad{'tz_local'})\n".
2030              "Subject: $co{'title'}\n";
2031        if (defined $tagname) {
2032              print "X-Git-Tag: $tagname\n";
2033        }
2034        print "X-Git-Url: $my_url?p=$project;a=commitdiff;h=$hash\n" .
2035              "\n";
2036
2037        foreach my $line (@$comment) {;
2038                print "  $line\n";
2039        }
2040        print "---\n\n";
2041
2042        foreach my $line (@difftree) {
2043                $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/;
2044                my $from_id = $3;
2045                my $to_id = $4;
2046                my $status = $5;
2047                my $file = $6;
2048                if ($status eq "A") {
2049                        git_diff_print(undef, "/dev/null", $to_id, "b/$file", "plain");
2050                } elsif ($status eq "D") {
2051                        git_diff_print($from_id, "a/$file", undef, "/dev/null", "plain");
2052                } elsif ($status eq "M") {
2053                        git_diff_print($from_id, "a/$file",  $to_id, "b/$file", "plain");
2054                }
2055        }
2056}
2057
2058sub git_history {
2059        if (!defined $hash) {
2060                $hash = git_read_hash("$project/HEAD");
2061        }
2062        my %co = git_read_commit($hash);
2063        if (!%co) {
2064                die_error(undef, "Unknown commit object.");
2065        }
2066        my $refs = read_info_ref();
2067        git_header_html();
2068        print "<div class=\"page_nav\">\n" .
2069              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
2070              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
2071              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
2072              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash")}, "commit") .
2073              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash")}, "commitdiff") .
2074              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") .
2075              "<br/><br/>\n" .
2076              "</div>\n";
2077        print "<div>\n" .
2078              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash"), -class => "title"}, esc_html($co{'title'})) . "\n" .
2079              "</div>\n";
2080        print "<div class=\"page_path\"><b>/" . esc_html($file_name) . "</b><br/></div>\n";
2081
2082        open my $fd, "-|", "$gitbin/git-rev-list $hash | $gitbin/git-diff-tree -r --stdin \'$file_name\'";
2083        my $commit;
2084        print "<table cellspacing=\"0\">\n";
2085        my $alternate = 0;
2086        while (my $line = <$fd>) {
2087                if ($line =~ m/^([0-9a-fA-F]{40})/){
2088                        $commit = $1;
2089                        next;
2090                }
2091                if ($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/ && (defined $commit)) {
2092                        my %co = git_read_commit($commit);
2093                        if (!%co) {
2094                                next;
2095                        }
2096                        my $ref = "";
2097                        if (defined $refs->{$commit}) {
2098                                $ref = " <span class=\"tag\">$refs->{$commit}</span>";
2099                        }
2100                        if ($alternate) {
2101                                print "<tr class=\"dark\">\n";
2102                        } else {
2103                                print "<tr class=\"light\">\n";
2104                        }
2105                        $alternate ^= 1;
2106                        print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2107                              "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 3)) . "</i></td>\n" .
2108                              "<td>" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "list"}, "<b>" .
2109                              esc_html(chop_str($co{'title'}, 50)) . "</b>") . "$ref</td>\n" .
2110                              "<td class=\"link\">" .
2111                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit")}, "commit") .
2112                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
2113                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;hb=$commit;f=$file_name")}, "blob");
2114                        my $blob = git_get_hash_by_path($hash, $file_name);
2115                        my $blob_parent = git_get_hash_by_path($commit, $file_name);
2116                        if (defined $blob && defined $blob_parent && $blob ne $blob_parent) {
2117                                print " | " .
2118                                $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff;h=$blob;hp=$blob_parent;hb=$commit;f=$file_name")},
2119                                "diff to current");
2120                        }
2121                        print "</td>\n" .
2122                              "</tr>\n";
2123                        undef $commit;
2124                }
2125        }
2126        print "</table>\n";
2127        close $fd;
2128        git_footer_html();
2129}
2130
2131sub git_search {
2132        if (!defined $searchtext) {
2133                die_error("", "Text field empty.");
2134        }
2135        if (!defined $hash) {
2136                $hash = git_read_hash("$project/HEAD");
2137        }
2138        my %co = git_read_commit($hash);
2139        if (!%co) {
2140                die_error(undef, "Unknown commit object.");
2141        }
2142        # pickaxe may take all resources of your box and run for several minutes
2143        # with every query - so decide by yourself how public you make this feature :)
2144        my $commit_search = 1;
2145        my $author_search = 0;
2146        my $committer_search = 0;
2147        my $pickaxe_search = 0;
2148        if ($searchtext =~ s/^author\\://i) {
2149                $author_search = 1;
2150        } elsif ($searchtext =~ s/^committer\\://i) {
2151                $committer_search = 1;
2152        } elsif ($searchtext =~ s/^pickaxe\\://i) {
2153                $commit_search = 0;
2154                $pickaxe_search = 1;
2155        }
2156        git_header_html();
2157        print "<div class=\"page_nav\">\n" .
2158              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary;h=$hash")}, "summary") .
2159              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
2160              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash")}, "log") .
2161              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash")}, "commit") .
2162              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash")}, "commitdiff") .
2163              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") .
2164              "<br/><br/>\n" .
2165              "</div>\n";
2166
2167        print "<div>\n" .
2168              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash"), -class => "title"}, esc_html($co{'title'})) . "\n" .
2169              "</div>\n";
2170        print "<table cellspacing=\"0\">\n";
2171        my $alternate = 0;
2172        if ($commit_search) {
2173                $/ = "\0";
2174                open my $fd, "-|", "$gitbin/git-rev-list --header --parents $hash" or next;
2175                while (my $commit_text = <$fd>) {
2176                        if (!grep m/$searchtext/i, $commit_text) {
2177                                next;
2178                        }
2179                        if ($author_search && !grep m/\nauthor .*$searchtext/i, $commit_text) {
2180                                next;
2181                        }
2182                        if ($committer_search && !grep m/\ncommitter .*$searchtext/i, $commit_text) {
2183                                next;
2184                        }
2185                        my @commit_lines = split "\n", $commit_text;
2186                        my %co = git_read_commit(undef, \@commit_lines);
2187                        if (!%co) {
2188                                next;
2189                        }
2190                        if ($alternate) {
2191                                print "<tr class=\"dark\">\n";
2192                        } else {
2193                                print "<tr class=\"light\">\n";
2194                        }
2195                        $alternate ^= 1;
2196                        print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2197                              "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
2198                              "<td>" .
2199                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}"), -class => "list"}, "<b>" . esc_html(chop_str($co{'title'}, 50)) . "</b><br/>");
2200                        my $comment = $co{'comment'};
2201                        foreach my $line (@$comment) {
2202                                if ($line =~ m/^(.*)($searchtext)(.*)$/i) {
2203                                        my $lead = esc_html($1) || "";
2204                                        $lead = chop_str($lead, 30, 10);
2205                                        my $match = esc_html($2) || "";
2206                                        my $trail = esc_html($3) || "";
2207                                        $trail = chop_str($trail, 30, 10);
2208                                        my $text = "$lead<span style=\"color:#e00000\">$match</span>$trail";
2209                                        print chop_str($text, 80, 5) . "<br/>\n";
2210                                }
2211                        }
2212                        print "</td>\n" .
2213                              "<td class=\"link\">" .
2214                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}")}, "commit") .
2215                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$co{'id'}")}, "tree");
2216                        print "</td>\n" .
2217                              "</tr>\n";
2218                }
2219                close $fd;
2220        }
2221
2222        if ($pickaxe_search) {
2223                $/ = "\n";
2224                open my $fd, "-|", "$gitbin/git-rev-list $hash | $gitbin/git-diff-tree -r --stdin -S\'$searchtext\'";
2225                undef %co;
2226                my @files;
2227                while (my $line = <$fd>) {
2228                        if (%co && $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/) {
2229                                my %set;
2230                                $set{'file'} = $6;
2231                                $set{'from_id'} = $3;
2232                                $set{'to_id'} = $4;
2233                                $set{'id'} = $set{'to_id'};
2234                                if ($set{'id'} =~ m/0{40}/) {
2235                                        $set{'id'} = $set{'from_id'};
2236                                }
2237                                if ($set{'id'} =~ m/0{40}/) {
2238                                        next;
2239                                }
2240                                push @files, \%set;
2241                        } elsif ($line =~ m/^([0-9a-fA-F]{40})$/){
2242                                if (%co) {
2243                                        if ($alternate) {
2244                                                print "<tr class=\"dark\">\n";
2245                                        } else {
2246                                                print "<tr class=\"light\">\n";
2247                                        }
2248                                        $alternate ^= 1;
2249                                        print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2250                                              "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
2251                                              "<td>" .
2252                                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}"), -class => "list"}, "<b>" .
2253                                              esc_html(chop_str($co{'title'}, 50)) . "</b><br/>");
2254                                        while (my $setref = shift @files) {
2255                                                my %set = %$setref;
2256                                                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$set{'id'};hb=$co{'id'};f=$set{'file'}"), class => "list"},
2257                                                      "<span style=\"color:#e00000\">" . esc_html($set{'file'}) . "</span>") .
2258                                                      "<br/>\n";
2259                                        }
2260                                        print "</td>\n" .
2261                                              "<td class=\"link\">" .
2262                                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}")}, "commit") .
2263                                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$co{'id'}")}, "tree");
2264                                        print "</td>\n" .
2265                                              "</tr>\n";
2266                                }
2267                                %co = git_read_commit($1);
2268                        }
2269                }
2270                close $fd;
2271        }
2272        print "</table>\n";
2273        git_footer_html();
2274}
2275
2276sub git_shortlog {
2277        my $head = git_read_hash("$project/HEAD");
2278        if (!defined $hash) {
2279                $hash = $head;
2280        }
2281        if (!defined $page) {
2282                $page = 0;
2283        }
2284        my $refs = read_info_ref();
2285        git_header_html();
2286        print "<div class=\"page_nav\">\n" .
2287              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
2288              " | shortlog" .
2289              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash")}, "log") .
2290              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash")}, "commit") .
2291              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash")}, "commitdiff") .
2292              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$hash;hb=$hash")}, "tree") . "<br/>\n";
2293
2294        my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
2295        open my $fd, "-|", "$gitbin/git-rev-list $limit $hash" or die_error(undef, "Open failed.");
2296        my (@revlist) = map { chomp; $_ } <$fd>;
2297        close $fd;
2298
2299        if ($hash ne $head || $page) {
2300                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "HEAD");
2301        } else {
2302                print "HEAD";
2303        }
2304        if ($page > 0) {
2305                print " &sdot; " .
2306                $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash;pg=" . ($page-1)), -accesskey => "p", -title => "Alt-p"}, "prev");
2307        } else {
2308                print " &sdot; prev";
2309        }
2310        if ($#revlist >= (100 * ($page+1)-1)) {
2311                print " &sdot; " .
2312                $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash;pg=" . ($page+1)), -accesskey => "n", -title => "Alt-n"}, "next");
2313        } else {
2314                print " &sdot; next";
2315        }
2316        print "<br/>\n" .
2317              "</div>\n";
2318        print "<div>\n" .
2319              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary"), -class => "title"}, "&nbsp;") .
2320              "</div>\n";
2321        print "<table cellspacing=\"0\">\n";
2322        my $alternate = 0;
2323        for (my $i = ($page * 100); $i <= $#revlist; $i++) {
2324                my $commit = $revlist[$i];
2325                my %co = git_read_commit($commit);
2326                my %ad = date_str($co{'author_epoch'});
2327                if ($alternate) {
2328                        print "<tr class=\"dark\">\n";
2329                } else {
2330                        print "<tr class=\"light\">\n";
2331                }
2332                $alternate ^= 1;
2333                print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2334                      "<td><i>" . esc_html(chop_str($co{'author_name'}, 10)) . "</i></td>\n" .
2335                      "<td>";
2336                if (length($co{'title_short'}) < length($co{'title'})) {
2337                        print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "list", -title => "$co{'title'}"},
2338                              "<b>" . esc_html($co{'title_short'}) . "</b>");
2339                } else {
2340                        print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "list"},
2341                              "<b>" . esc_html($co{'title_short'}) . "</b>");
2342                }
2343                if (defined $refs->{$commit}) {
2344                        print " <span class=\"tag\">$refs->{$commit}</span>";
2345                }
2346                print "</td>\n" .
2347                      "<td class=\"link\">" .
2348                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit")}, "commit") .
2349                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
2350                      "</td>\n" .
2351                      "</tr>";
2352        }
2353        if ($#revlist >= (100 * ($page+1)-1)) {
2354                print "<tr>\n" .
2355                      "<td>" .
2356                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash;pg=" . ($page+1)), -title => "Alt-n"}, "next") .
2357                      "</td>\n" .
2358                      "</tr>\n";
2359        }
2360        print "</table\n>";
2361        git_footer_html();
2362}