gitweb.cgion commit replace invalid utf8 sequences by UTF-8 REPLACEMENT CHARACTER (efbfbd) (40c1381)
   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';
  17
  18my $cgi = new CGI;
  19my $version =           "249";
  20my $my_url =            $cgi->url();
  21my $my_uri =            $cgi->url(-absolute => 1);
  22my $rss_link =          "";
  23
  24# absolute fs-path which will be prepended to the project path
  25#my $projectroot =      "/pub/scm";
  26my $projectroot =       "/home/kay/public_html/pub/scm";
  27
  28# location of the git-core binaries
  29my $gitbin =            "/usr/bin";
  30
  31# location for temporary files needed for diffs
  32my $git_temp =          "/tmp/gitweb";
  33
  34# target of the home link on top of all pages
  35my $home_link =         $my_uri;
  36
  37# html text to include at home page
  38my $home_text =         "indextext.html";
  39
  40# source of projects list
  41#my $projects_list =    $projectroot;
  42my $projects_list =     "index/index.aux";
  43
  44# input validation and dispatch
  45my $action = $cgi->param('a');
  46if (defined $action) {
  47        if ($action =~ m/[^0-9a-zA-Z\.\-_]/) {
  48                undef $action;
  49                die_error(undef, "Invalid action parameter.");
  50        }
  51        if ($action eq "git-logo.png") {
  52                git_logo();
  53                exit;
  54        } elsif ($action eq "opml") {
  55                git_opml();
  56                exit;
  57        }
  58}
  59
  60my $order = $cgi->param('o');
  61if (defined $order) {
  62        if ($order =~ m/[^0-9a-zA-Z_]/) {
  63                undef $order;
  64                die_error(undef, "Invalid order parameter.");
  65        }
  66}
  67
  68my $project = $cgi->param('p');
  69if (defined $project) {
  70        $project = validate_input($project);
  71        if (!defined($project)) {
  72                die_error(undef, "Invalid project parameter.");
  73        }
  74        if (!(-d "$projectroot/$project")) {
  75                undef $project;
  76                die_error(undef, "No such directory.");
  77        }
  78        if (!(-e "$projectroot/$project/HEAD")) {
  79                undef $project;
  80                die_error(undef, "No such project.");
  81        }
  82        $rss_link = "<link rel=\"alternate\" title=\"" . esc_url($project) . " log\" href=\"" .
  83                    esc_url("$my_uri?p=$project;a=rss") . "\" type=\"application/rss+xml\"/>";
  84        $ENV{'GIT_DIR'} = "$projectroot/$project";
  85} else {
  86        git_project_list();
  87        exit;
  88}
  89
  90my $file_name = $cgi->param('f');
  91if (defined $file_name) {
  92        $file_name = validate_input($file_name);
  93        if (!defined($file_name)) {
  94                die_error(undef, "Invalid file parameter.");
  95        }
  96}
  97
  98my $hash = $cgi->param('h');
  99if (defined $hash) {
 100        $hash = validate_input($hash);
 101        if (!defined($hash)) {
 102                die_error(undef, "Invalid hash parameter.");
 103        }
 104}
 105
 106my $hash_parent = $cgi->param('hp');
 107if (defined $hash_parent) {
 108        $hash_parent = validate_input($hash_parent);
 109        if (!defined($hash_parent)) {
 110                die_error(undef, "Invalid hash parent parameter.");
 111        }
 112}
 113
 114my $hash_base = $cgi->param('hb');
 115if (defined $hash_base) {
 116        $hash_base = validate_input($hash_base);
 117        if (!defined($hash_base)) {
 118                die_error(undef, "Invalid hash base parameter.");
 119        }
 120}
 121
 122my $page = $cgi->param('pg');
 123if (defined $page) {
 124        if ($page =~ m/[^0-9]$/) {
 125                undef $page;
 126                die_error(undef, "Invalid page parameter.");
 127        }
 128}
 129
 130my $searchtext = $cgi->param('s');
 131if (defined $searchtext) {
 132        if ($searchtext =~ m/[^a-zA-Z0-9_\.\/\-\+\:\@ ]/) {
 133                undef $searchtext;
 134                die_error(undef, "Invalid search parameter.");
 135        }
 136        $searchtext = quotemeta $searchtext;
 137}
 138
 139sub validate_input {
 140        my $input = shift;
 141
 142        if ($input =~ m/^[0-9a-fA-F]{40}$/) {
 143                return $input;
 144        }
 145        if ($input =~ m/(^|\/)(|\.|\.\.)($|\/)/) {
 146                return undef;
 147        }
 148        if ($input =~ m/[^a-zA-Z0-9_ \.\/\-\+\#\~]/) {
 149                return undef;
 150        }
 151        return $input;
 152}
 153
 154if (!defined $action || $action eq "summary") {
 155        git_summary();
 156        exit;
 157} elsif ($action eq "heads") {
 158        git_heads();
 159        exit;
 160} elsif ($action eq "tags") {
 161        git_tags();
 162        exit;
 163} elsif ($action eq "blob") {
 164        git_blob();
 165        exit;
 166} elsif ($action eq "blob_plain") {
 167        git_blob_plain();
 168        exit;
 169} elsif ($action eq "tree") {
 170        git_tree();
 171        exit;
 172} elsif ($action eq "rss") {
 173        git_rss();
 174        exit;
 175} elsif ($action eq "commit") {
 176        git_commit();
 177        exit;
 178} elsif ($action eq "log") {
 179        git_log();
 180        exit;
 181} elsif ($action eq "blobdiff") {
 182        git_blobdiff();
 183        exit;
 184} elsif ($action eq "blobdiff_plain") {
 185        git_blobdiff_plain();
 186        exit;
 187} elsif ($action eq "commitdiff") {
 188        git_commitdiff();
 189        exit;
 190} elsif ($action eq "commitdiff_plain") {
 191        git_commitdiff_plain();
 192        exit;
 193} elsif ($action eq "history") {
 194        git_history();
 195        exit;
 196} elsif ($action eq "search") {
 197        git_search();
 198        exit;
 199} elsif ($action eq "shortlog") {
 200        git_shortlog();
 201        exit;
 202} elsif ($action eq "tag") {
 203        git_tag();
 204        exit;
 205} else {
 206        undef $action;
 207        die_error(undef, "Unknown action.");
 208        exit;
 209}
 210
 211sub esc_url {
 212        my $str = shift;
 213        $str =~ s/\+/%2B/g;
 214        $str =~ s/ /\+/g;
 215        return $str;
 216}
 217
 218sub esc_html {
 219        my $str = shift;
 220        $str = escapeHTML($str);
 221        $str = decode("utf8", $str, Encode::FB_DEFAULT);
 222        return $str;
 223}
 224
 225sub git_header_html {
 226        my $status = shift || "200 OK";
 227        my $expires = shift;
 228
 229        my $title = "git";
 230        if (defined $project) {
 231                $title .= " - $project";
 232                if (defined $action) {
 233                        $title .= "/$action";
 234                }
 235        }
 236        print $cgi->header(-type=>'text/html',  -charset => 'utf-8', -status=> $status, -expires => $expires);
 237        print <<EOF;
 238<?xml version="1.0" encoding="utf-8"?>
 239<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
 240<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US" lang="en-US">
 241<!-- git web interface v$version, (C) 2005, Kay Sievers <kay.sievers\@vrfy.org>, Christian Gierke <ch\@gierke.de> -->
 242<head>
 243<meta http-equiv="content-type" content="text/html; charset=utf-8"/>
 244<meta name="robots" content="index, nofollow"/>
 245<title>$title</title>
 246$rss_link
 247<style type="text/css">
 248body { font-family: sans-serif; font-size: 12px; margin:0px; border:solid #d9d8d1; border-width:1px; margin:10px; }
 249a { color:#0000cc; }
 250a:hover, a:visited, a:active { color:#880000; }
 251div.page_header { height:25px; padding:8px; font-size:18px; font-weight:bold; background-color:#d9d8d1; }
 252div.page_header a:visited, a.header { color:#0000cc; }
 253div.page_header a:hover { color:#880000; }
 254div.page_nav { padding:8px; }
 255div.page_nav a:visited { color:#0000cc; }
 256div.page_path { padding:8px; border:solid #d9d8d1; border-width:0px 0px 1px}
 257div.page_footer { height:17px; padding:4px 8px; background-color: #d9d8d1; }
 258div.page_footer_text { float:left; color:#555555; font-style:italic; }
 259div.page_body { padding:8px; }
 260div.title, a.title {
 261        display:block; padding:6px 8px;
 262        font-weight:bold; background-color:#edece6; text-decoration:none; color:#000000;
 263}
 264a.title:hover { background-color: #d9d8d1; }
 265div.title_text { padding:6px 0px; border: solid #d9d8d1; border-width:0px 0px 1px; }
 266div.log_body { padding:8px 8px 8px 150px; }
 267span.age { position:relative; float:left; width:142px; font-style:italic; }
 268div.log_link {
 269        padding:0px 8px;
 270        font-size:10px; font-family:sans-serif; font-style:normal;
 271        position:relative; float:left; width:136px;
 272}
 273div.list_head { padding:6px 8px 4px; border:solid #d9d8d1; border-width:1px 0px 0px; font-style:italic; }
 274a.list { text-decoration:none; color:#000000; }
 275a.list:hover { text-decoration:underline; color:#880000; }
 276a.text { text-decoration:none; color:#0000cc; }
 277a.text:visited { text-decoration:none; color:#880000; }
 278a.text:hover { text-decoration:underline; color:#880000; }
 279table { padding:8px 4px; }
 280th { padding:2px 5px; font-size:12px; text-align:left; }
 281tr.light:hover { background-color:#edece6; }
 282tr.dark { background-color:#f6f6f0; }
 283tr.dark:hover { background-color:#edece6; }
 284td { padding:2px 5px; font-size:12px; vertical-align:top; }
 285td.link { padding:2px 5px; font-family:sans-serif; font-size:10px; }
 286div.pre { font-family:monospace; font-size:12px; white-space:pre; }
 287div.diff_info { font-family:monospace; color:#000099; background-color:#edece6; font-style:italic; }
 288div.index_include { border:solid #d9d8d1; border-width:0px 0px 1px; padding:12px 8px; }
 289div.search { margin:4px 8px; position:absolute; top:56px; right:12px }
 290a.linenr { color:#999999; text-decoration:none }
 291a.rss_logo {
 292        float:right; padding:3px 0px; width:35px; line-height:10px;
 293        border:1px solid; border-color:#fcc7a5 #7d3302 #3e1a01 #ff954e;
 294        color:#ffffff; background-color:#ff6600;
 295        font-weight:bold; font-family:sans-serif; font-size:10px;
 296        text-align:center; text-decoration:none;
 297}
 298a.rss_logo:hover { background-color:#ee5500; }
 299</style>
 300</head>
 301<body>
 302EOF
 303        print "<div class=\"page_header\">\n" .
 304              "<a href=\"http://www.kernel.org/pub/software/scm/git/docs/\" title=\"git documentation\">" .
 305              "<img src=\"" . esc_url("$my_uri?a=git-logo.png") . "\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/>" .
 306              "</a>\n";
 307        print $cgi->a({-href => esc_url($home_link)}, "projects") . " / ";
 308        if (defined $project) {
 309                print $cgi->a({-href => esc_url("$my_uri?p=$project;a=summary")}, esc_html($project));
 310                if (defined $action) {
 311                        print " / $action";
 312                }
 313                print "\n";
 314                if (!defined $searchtext) {
 315                        $searchtext = "";
 316                }
 317                my $search_hash;
 318                if (defined $hash) {
 319                        $search_hash = $hash;
 320                } else {
 321                        $search_hash  = "HEAD";
 322                }
 323                $cgi->param("a", "search");
 324                $cgi->param("h", $search_hash);
 325                print $cgi->startform(-method => "get", -action => $my_uri) .
 326                      "<div class=\"search\">\n" .
 327                      $cgi->hidden(-name => "p") . "\n" .
 328                      $cgi->hidden(-name => "a") . "\n" .
 329                      $cgi->hidden(-name => "h") . "\n" .
 330                      $cgi->textfield(-name => "s", -value => $searchtext) . "\n" .
 331                      "</div>" .
 332                      $cgi->end_form() . "\n";
 333        }
 334        print "</div>\n";
 335}
 336
 337sub git_footer_html {
 338        print "<div class=\"page_footer\">\n";
 339        if (defined $project) {
 340                my $descr = git_read_description($project);
 341                if (defined $descr) {
 342                        print "<div class=\"page_footer_text\">" . esc_html($descr) . "</div>\n";
 343                }
 344                print $cgi->a({-href => esc_url("$my_uri?p=$project;a=rss"), -class => "rss_logo"}, "RSS") . "\n";
 345        } else {
 346                print $cgi->a({-href => esc_url("$my_uri?a=opml"), -class => "rss_logo"}, "OPML") . "\n";
 347        }
 348        print "</div>\n" .
 349              "</body>\n" .
 350              "</html>";
 351}
 352
 353sub die_error {
 354        my $status = shift || "403 Forbidden";
 355        my $error = shift || "Malformed query, file missing or permission denied"; 
 356
 357        git_header_html($status);
 358        print "<div class=\"page_body\">\n" .
 359              "<br/><br/>\n" .
 360              "$status - $error\n" .
 361              "<br/>\n" .
 362              "</div>\n";
 363        git_footer_html();
 364        exit;
 365}
 366
 367sub git_get_type {
 368        my $hash = shift;
 369
 370        open my $fd, "-|", "$gitbin/git-cat-file -t $hash" or return;
 371        my $type = <$fd>;
 372        close $fd or return;
 373        chomp $type;
 374        return $type;
 375}
 376
 377sub git_read_hash {
 378        my $path = shift;
 379
 380        open my $fd, "$projectroot/$path" or return undef;
 381        my $head = <$fd>;
 382        close $fd;
 383        chomp $head;
 384        if ($head =~ m/^[0-9a-fA-F]{40}$/) {
 385                return $head;
 386        }
 387}
 388
 389sub git_read_description {
 390        my $path = shift;
 391
 392        open my $fd, "$projectroot/$path/description" or return undef;
 393        my $descr = <$fd>;
 394        close $fd;
 395        chomp $descr;
 396        return $descr;
 397}
 398
 399sub git_read_tag {
 400        my $tag_id = shift;
 401        my %tag;
 402        my @comment;
 403
 404        open my $fd, "-|", "$gitbin/git-cat-file tag $tag_id" or return;
 405        $tag{'id'} = $tag_id;
 406        while (my $line = <$fd>) {
 407                chomp $line;
 408                if ($line =~ m/^object ([0-9a-fA-F]{40})$/) {
 409                        $tag{'object'} = $1;
 410                } elsif ($line =~ m/^type (.+)$/) {
 411                        $tag{'type'} = $1;
 412                } elsif ($line =~ m/^tag (.+)$/) {
 413                        $tag{'name'} = $1;
 414                } elsif ($line =~ m/^tagger (.*) ([0-9]+) (.*)$/) {
 415                        $tag{'author'} = $1;
 416                        $tag{'epoch'} = $2;
 417                        $tag{'tz'} = $3;
 418                } elsif ($line =~ m/--BEGIN/) {
 419                        push @comment, $line;
 420                        last;
 421                } elsif ($line eq "") {
 422                        last;
 423                }
 424        }
 425        push @comment, <$fd>;
 426        $tag{'comment'} = \@comment;
 427        close $fd or return;
 428        if (!defined $tag{'name'}) {
 429                return
 430        };
 431        return %tag
 432}
 433
 434sub age_string {
 435        my $age = shift;
 436        my $age_str;
 437
 438        if ($age > 60*60*24*365*2) {
 439                $age_str = (int $age/60/60/24/365);
 440                $age_str .= " years ago";
 441        } elsif ($age > 60*60*24*(365/12)*2) {
 442                $age_str = int $age/60/60/24/(365/12);
 443                $age_str .= " months ago";
 444        } elsif ($age > 60*60*24*7*2) {
 445                $age_str = int $age/60/60/24/7;
 446                $age_str .= " weeks ago";
 447        } elsif ($age > 60*60*24*2) {
 448                $age_str = int $age/60/60/24;
 449                $age_str .= " days ago";
 450        } elsif ($age > 60*60*2) {
 451                $age_str = int $age/60/60;
 452                $age_str .= " hours ago";
 453        } elsif ($age > 60*2) {
 454                $age_str = int $age/60;
 455                $age_str .= " min ago";
 456        } elsif ($age > 2) {
 457                $age_str = int $age;
 458                $age_str .= " sec ago";
 459        } else {
 460                $age_str .= " right now";
 461        }
 462        return $age_str;
 463}
 464
 465sub git_read_commit {
 466        my $commit_id = shift;
 467        my $commit_text = shift;
 468
 469        my @commit_lines;
 470        my %co;
 471
 472        if (defined $commit_text) {
 473                @commit_lines = @$commit_text;
 474        } else {
 475                $/ = "\0";
 476                open my $fd, "-|", "$gitbin/git-rev-list --header --parents --max-count=1 $commit_id" or return;
 477                @commit_lines = split '\n', <$fd>;
 478                close $fd or return;
 479                $/ = "\n";
 480                pop @commit_lines;
 481        }
 482        my $header = shift @commit_lines;
 483        if (!($header =~ m/^[0-9a-fA-F]{40}/)) {
 484                return;
 485        }
 486        ($co{'id'}, my @parents) = split ' ', $header;
 487        $co{'parents'} = \@parents;
 488        $co{'parent'} = $parents[0];
 489        while (my $line = shift @commit_lines) {
 490                last if $line eq "\n";
 491                if ($line =~ m/^tree ([0-9a-fA-F]{40})$/) {
 492                        $co{'tree'} = $1;
 493                } elsif ($line =~ m/^author (.*) ([0-9]+) (.*)$/) {
 494                        $co{'author'} = $1;
 495                        $co{'author_epoch'} = $2;
 496                        $co{'author_tz'} = $3;
 497                        if ($co{'author'} =~ m/^([^<]+) </) {
 498                                $co{'author_name'} = $1;
 499                        } else {
 500                                $co{'author_name'} = $co{'author'};
 501                        }
 502                } elsif ($line =~ m/^committer (.*) ([0-9]+) (.*)$/) {
 503                        $co{'committer'} = $1;
 504                        $co{'committer_epoch'} = $2;
 505                        $co{'committer_tz'} = $3;
 506                        $co{'committer_name'} = $co{'committer'};
 507                        $co{'committer_name'} =~ s/ <.*//;
 508                }
 509        }
 510        if (!defined $co{'tree'}) {
 511                return;
 512        };
 513
 514        foreach my $title (@commit_lines) {
 515                if ($title ne "") {
 516                        $co{'title'} = chop_str($title, 80, 5);
 517                        # remove leading stuff of merges to make the interesting part visible
 518                        if (length($title) > 50) {
 519                                $title =~ s/^Automatic //;
 520                                $title =~ s/^merge (of|with) /Merge ... /i;
 521                                if (length($title) > 50) {
 522                                        $title =~ s/(http|rsync):\/\///;
 523                                }
 524                                if (length($title) > 50) {
 525                                        $title =~ s/(master|www|rsync)\.//;
 526                                }
 527                                if (length($title) > 50) {
 528                                        $title =~ s/kernel.org:?//;
 529                                }
 530                                if (length($title) > 50) {
 531                                        $title =~ s/\/pub\/scm//;
 532                                }
 533                        }
 534                        $co{'title_short'} = chop_str($title, 50, 5);
 535                        last;
 536                }
 537        }
 538        # remove added spaces
 539        foreach my $line (@commit_lines) {
 540                $line =~ s/^    //;
 541        }
 542        $co{'comment'} = \@commit_lines;
 543
 544        my $age = time - $co{'committer_epoch'};
 545        $co{'age'} = $age;
 546        $co{'age_string'} = age_string($age);
 547        my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($co{'committer_epoch'});
 548        if ($age > 60*60*24*7*2) {
 549                $co{'age_string_date'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
 550                $co{'age_string_age'} = $co{'age_string'};
 551        } else {
 552                $co{'age_string_date'} = $co{'age_string'};
 553                $co{'age_string_age'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
 554        }
 555        return %co;
 556}
 557
 558sub git_diff_print {
 559        my $from = shift;
 560        my $from_name = shift;
 561        my $to = shift;
 562        my $to_name = shift;
 563        my $format = shift || "html";
 564
 565        my $from_tmp = "/dev/null";
 566        my $to_tmp = "/dev/null";
 567        my $pid = $$;
 568
 569        # create tmp from-file
 570        if (defined $from) {
 571                $from_tmp = "$git_temp/gitweb_" . $$ . "_from";
 572                open my $fd2, "> $from_tmp";
 573                open my $fd, "-|", "$gitbin/git-cat-file blob $from";
 574                my @file = <$fd>;
 575                print $fd2 @file;
 576                close $fd2;
 577                close $fd;
 578        }
 579
 580        # create tmp to-file
 581        if (defined $to) {
 582                $to_tmp = "$git_temp/gitweb_" . $$ . "_to";
 583                open my $fd2, "> $to_tmp";
 584                open my $fd, "-|", "$gitbin/git-cat-file blob $to";
 585                my @file = <$fd>;
 586                print $fd2 @file;
 587                close $fd2;
 588                close $fd;
 589        }
 590
 591        open my $fd, "-|", "/usr/bin/diff -u -p -L \'$from_name\' -L \'$to_name\' $from_tmp $to_tmp";
 592        if ($format eq "plain") {
 593                undef $/;
 594                print <$fd>;
 595                $/ = "\n";
 596        } else {
 597                while (my $line = <$fd>) {
 598                        chomp($line);
 599                        my $char = substr($line, 0, 1);
 600                        my $color = "";
 601                        if ($char eq '+') {
 602                                $color = " style=\"color:#008800;\"";
 603                        } elsif ($char eq "-") {
 604                                $color = " style=\"color:#cc0000;\"";
 605                        } elsif ($char eq "@") {
 606                                $color = " style=\"color:#990099;\"";
 607                        } elsif ($char eq "\\") {
 608                                # skip errors
 609                                next;
 610                        }
 611                        while ((my $pos = index($line, "\t")) != -1) {
 612                                if (my $count = (8 - (($pos-1) % 8))) {
 613                                        my $spaces = ' ' x $count;
 614                                        $line =~ s/\t/$spaces/;
 615                                }
 616                        }
 617                        print "<div class=\"pre\"$color>" . esc_html($line) . "</div>\n";
 618                }
 619        }
 620        close $fd;
 621
 622        if (defined $from) {
 623                unlink($from_tmp);
 624        }
 625        if (defined $to) {
 626                unlink($to_tmp);
 627        }
 628}
 629
 630sub mode_str {
 631        my $mode = oct shift;
 632
 633        if (S_ISDIR($mode & S_IFMT)) {
 634                return 'drwxr-xr-x';
 635        } elsif (S_ISLNK($mode)) {
 636                return 'lrwxrwxrwx';
 637        } elsif (S_ISREG($mode)) {
 638                # git cares only about the executable bit
 639                if ($mode & S_IXUSR) {
 640                        return '-rwxr-xr-x';
 641                } else {
 642                        return '-rw-r--r--';
 643                };
 644        } else {
 645                return '----------';
 646        }
 647}
 648
 649sub chop_str {
 650        my $str = shift;
 651        my $len = shift;
 652        my $add_len = shift || 10;
 653
 654        # allow only $len chars, but don't cut a word if it would fit in $add_len
 655        # if it doesn't fit, cut it if it's still longer than the dots we would add
 656        $str =~ m/^(.{0,$len}[^ \/\-_:\.@]{0,$add_len})(.*)/;
 657        my $body = $1;
 658        my $tail = $2;
 659        if (length($tail) > 4) {
 660                $tail = " ...";
 661        }
 662        return "$body$tail";
 663}
 664
 665sub file_type {
 666        my $mode = oct shift;
 667
 668        if (S_ISDIR($mode & S_IFMT)) {
 669                return "directory";
 670        } elsif (S_ISLNK($mode)) {
 671                return "symlink";
 672        } elsif (S_ISREG($mode)) {
 673                return "file";
 674        } else {
 675                return "unknown";
 676        }
 677}
 678
 679sub format_log_line_html {
 680        my $line = shift;
 681
 682        $line = esc_html($line);
 683        $line =~ s/ /&nbsp;/g;
 684        if ($line =~ m/([0-9a-fA-F]{40})/) {
 685                my $hash_text = $1;
 686                if (git_get_type($hash_text) eq "commit") {
 687                        my $link = $cgi->a({-class => "text", -href => esc_url("$my_uri?p=$project;a=commit;h=$hash_text")}, $hash_text);
 688                        $line =~ s/$hash_text/$link/;
 689                }
 690        }
 691        return $line;
 692}
 693
 694sub date_str {
 695        my $epoch = shift;
 696        my $tz = shift || "-0000";
 697
 698        my %date;
 699        my @months = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
 700        my @days = ("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat");
 701        my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($epoch);
 702        $date{'hour'} = $hour;
 703        $date{'minute'} = $min;
 704        $date{'mday'} = $mday;
 705        $date{'day'} = $days[$wday];
 706        $date{'month'} = $months[$mon];
 707        $date{'rfc2822'} = sprintf "%s, %d %s %4d %02d:%02d:%02d +0000", $days[$wday], $mday, $months[$mon], 1900+$year, $hour ,$min, $sec;
 708        $date{'mday-time'} = sprintf "%d %s %02d:%02d", $mday, $months[$mon], $hour ,$min;
 709
 710        $tz =~ m/^([+\-][0-9][0-9])([0-9][0-9])$/;
 711        my $local = $epoch + ((int $1 + ($2/60)) * 3600);
 712        ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($local);
 713        $date{'hour_local'} = $hour;
 714        $date{'minute_local'} = $min;
 715        $date{'tz_local'} = $tz;
 716        return %date;
 717}
 718
 719# git-logo (cached in browser for one day)
 720sub git_logo {
 721        print $cgi->header(-type => 'image/png', -expires => '+1d');
 722        # cat git-logo.png | hexdump -e '16/1 " %02x"  "\n"' | sed 's/ /\\x/g'
 723        print   "\x89\x50\x4e\x47\x0d\x0a\x1a\x0a\x00\x00\x00\x0d\x49\x48\x44\x52" .
 724                "\x00\x00\x00\x48\x00\x00\x00\x1b\x04\x03\x00\x00\x00\x2d\xd9\xd4" .
 725                "\x2d\x00\x00\x00\x18\x50\x4c\x54\x45\xff\xff\xff\x60\x60\x5d\xb0" .
 726                "\xaf\xaa\x00\x80\x00\xce\xcd\xc7\xc0\x00\x00\xe8\xe8\xe6\xf7\xf7" .
 727                "\xf6\x95\x0c\xa7\x47\x00\x00\x00\x73\x49\x44\x41\x54\x28\xcf\x63" .
 728                "\x48\x67\x20\x04\x4a\x5c\x18\x0a\x08\x2a\x62\x53\x61\x20\x02\x08" .
 729                "\x0d\x69\x45\xac\xa1\xa1\x01\x30\x0c\x93\x60\x36\x26\x52\x91\xb1" .
 730                "\x01\x11\xd6\xe1\x55\x64\x6c\x6c\xcc\x6c\x6c\x0c\xa2\x0c\x70\x2a" .
 731                "\x62\x06\x2a\xc1\x62\x1d\xb3\x01\x02\x53\xa4\x08\xe8\x00\x03\x18" .
 732                "\x26\x56\x11\xd4\xe1\x20\x97\x1b\xe0\xb4\x0e\x35\x24\x71\x29\x82" .
 733                "\x99\x30\xb8\x93\x0a\x11\xb9\x45\x88\xc1\x8d\xa0\xa2\x44\x21\x06" .
 734                "\x27\x41\x82\x40\x85\xc1\x45\x89\x20\x70\x01\x00\xa4\x3d\x21\xc5" .
 735                "\x12\x1c\x9a\xfe\x00\x00\x00\x00\x49\x45\x4e\x44\xae\x42\x60\x82";
 736}
 737
 738sub get_file_owner {
 739        my $path = shift;
 740
 741        my ($dev, $ino, $mode, $nlink, $st_uid, $st_gid, $rdev, $size) = stat($path);
 742        my ($name, $passwd, $uid, $gid, $quota, $comment, $gcos, $dir, $shell) = getpwuid($st_uid);
 743        if (!defined $gcos) {
 744                return undef;
 745        }
 746        my $owner = $gcos;
 747        $owner =~ s/[,;].*$//;
 748        return $owner;
 749}
 750
 751sub git_read_projects {
 752        my @list;
 753
 754        if (-d $projects_list) {
 755                # search in directory
 756                my $dir = $projects_list;
 757                opendir my $dh, $dir or return undef;
 758                while (my $dir = readdir($dh)) {
 759                        if (-e "$projectroot/$dir/HEAD") {
 760                                my $pr = {
 761                                        path => $dir,
 762                                };
 763                                push @list, $pr
 764                        }
 765                }
 766                closedir($dh);
 767        } elsif (-f $projects_list) {
 768                # read from file(url-encoded):
 769                # 'git%2Fgit.git Linus+Torvalds'
 770                # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
 771                # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
 772                open my $fd , $projects_list or return undef;
 773                while (my $line = <$fd>) {
 774                        chomp $line;
 775                        my ($path, $owner) = split ' ', $line;
 776                        $path = unescape($path);
 777                        $owner = unescape($owner);
 778                        if (!defined $path) {
 779                                next;
 780                        }
 781                        if (-e "$projectroot/$path/HEAD") {
 782                                my $pr = {
 783                                        path => $path,
 784                                        owner => $owner,
 785                                };
 786                                push @list, $pr
 787                        }
 788                }
 789                close $fd;
 790        }
 791        @list = sort {$a->{'path'} cmp $b->{'path'}} @list;
 792        return @list;
 793}
 794
 795sub git_project_list {
 796        my @list = git_read_projects();
 797        my @projects;
 798        if (!@list) {
 799                die_error(undef, "No project found.");
 800        }
 801        foreach my $pr (@list) {
 802                my $head = git_read_hash("$pr->{'path'}/HEAD");
 803                if (!defined $head) {
 804                        next;
 805                }
 806                $ENV{'GIT_DIR'} = "$projectroot/$pr->{'path'}";
 807                my %co = git_read_commit($head);
 808                if (!%co) {
 809                        next;
 810                }
 811                $pr->{'commit'} = \%co;
 812                if (!defined $pr->{'descr'}) {
 813                        my $descr = git_read_description($pr->{'path'}) || "";
 814                        $pr->{'descr'} = chop_str($descr, 25, 5);
 815                }
 816                if (!defined $pr->{'owner'}) {
 817                        $pr->{'owner'} = get_file_owner("$projectroot/$pr->{'path'}") || "";
 818                }
 819                push @projects, $pr;
 820        }
 821        git_header_html();
 822        if (-f $home_text) {
 823                print "<div class=\"index_include\">\n";
 824                open (my $fd, $home_text);
 825                print <$fd>;
 826                close $fd;
 827                print "</div>\n";
 828        }
 829        print "<table cellspacing=\"0\">\n" .
 830              "<tr>\n";
 831        if (!defined($order) || (defined($order) && ($order eq "project"))) {
 832                @projects = sort {$a->{'path'} cmp $b->{'path'}} @projects;
 833                print "<th>Project</th>\n";
 834        } else {
 835                print "<th>" . $cgi->a({-class => "header", -href => esc_url("$my_uri?o=project")}, "Project") . "</th>\n";
 836        }
 837        if (defined($order) && ($order eq "descr")) {
 838                @projects = sort {$a->{'descr'} cmp $b->{'descr'}} @projects;
 839                print "<th>Description</th>\n";
 840        } else {
 841                print "<th>" . $cgi->a({-class => "header", -href => esc_url("$my_uri?o=descr")}, "Description") . "</th>\n";
 842        }
 843        if (defined($order) && ($order eq "owner")) {
 844                @projects = sort {$a->{'owner'} cmp $b->{'owner'}} @projects;
 845                print "<th>Owner</th>\n";
 846        } else {
 847                print "<th>" . $cgi->a({-class => "header", -href => esc_url("$my_uri?o=owner")}, "Owner") . "</th>\n";
 848        }
 849        if (defined($order) && ($order eq "age")) {
 850                @projects = sort {$a->{'commit'}{'age'} <=> $b->{'commit'}{'age'}} @projects;
 851                print "<th>Last Change</th>\n";
 852        } else {
 853                print "<th>" . $cgi->a({-class => "header", -href => esc_url("$my_uri?o=age")}, "Last Change") . "</th>\n";
 854        }
 855        print "<th></th>\n" .
 856              "</tr>\n";
 857        my $alternate = 0;
 858        foreach my $pr (@projects) {
 859                if ($alternate) {
 860                        print "<tr class=\"dark\">\n";
 861                } else {
 862                        print "<tr class=\"light\">\n";
 863                }
 864                $alternate ^= 1;
 865                print "<td>" . $cgi->a({-href => esc_url("$my_uri?p=$pr->{'path'};a=summary"), -class => "list"}, esc_html($pr->{'path'})) . "</td>\n" .
 866                      "<td>$pr->{'descr'}</td>\n" .
 867                      "<td><i>" . chop_str($pr->{'owner'}, 15) . "</i></td>\n";
 868                my $colored_age;
 869                if ($pr->{'commit'}{'age'} < 60*60*2) {
 870                        $colored_age = "<span style =\"color: #009900;\"><b><i>$pr->{'commit'}{'age_string'}</i></b></span>";
 871                } elsif ($pr->{'commit'}{'age'} < 60*60*24*2) {
 872                        $colored_age = "<span style =\"color: #009900;\"><i>$pr->{'commit'}{'age_string'}</i></span>";
 873                } else {
 874                        $colored_age = "<i>$pr->{'commit'}{'age_string'}</i>";
 875                }
 876                print "<td>$colored_age</td>\n" .
 877                      "<td class=\"link\">" .
 878                      $cgi->a({-href => esc_url("$my_uri?p=$pr->{'path'};a=summary")}, "summary") .
 879                      " | " . $cgi->a({-href => esc_url("$my_uri?p=$pr->{'path'};a=shortlog")}, "shortlog") .
 880                      " | " . $cgi->a({-href => esc_url("$my_uri?p=$pr->{'path'};a=log")}, "log") .
 881                      "</td>\n" .
 882                      "</tr>\n";
 883        }
 884        print "</table>\n";
 885        git_footer_html();
 886}
 887
 888sub git_read_refs {
 889        my $ref_dir = shift;
 890        my @reflist;
 891
 892        my @refs;
 893        opendir my $dh, "$projectroot/$project/$ref_dir";
 894        while (my $dir = readdir($dh)) {
 895                if ($dir =~ m/^\./) {
 896                        next;
 897                }
 898                if (-d "$projectroot/$project/$ref_dir/$dir") {
 899                        opendir my $dh2, "$projectroot/$project/$ref_dir/$dir";
 900                        my @subdirs = grep !m/^\./, readdir $dh2;
 901                        closedir($dh2);
 902                        foreach my $subdir (@subdirs) {
 903                                push @refs, "$dir/$subdir"
 904                        }
 905                        next;
 906                }
 907                push @refs, $dir;
 908        }
 909        closedir($dh);
 910        foreach my $ref_file (@refs) {
 911                my $ref_id = git_read_hash("$project/$ref_dir/$ref_file");
 912                my $type = git_get_type($ref_id) || next;
 913                my %ref_item;
 914                my %co;
 915                $ref_item{'type'} = $type;
 916                $ref_item{'id'} = $ref_id;
 917                $ref_item{'epoch'} = 0;
 918                $ref_item{'age'} = "unknown";
 919                if ($type eq "tag") {
 920                        my %tag = git_read_tag($ref_id);
 921                        $ref_item{'comment'} = $tag{'comment'};
 922                        if ($tag{'type'} eq "commit") {
 923                                %co = git_read_commit($tag{'object'});
 924                                $ref_item{'epoch'} = $co{'committer_epoch'};
 925                                $ref_item{'age'} = $co{'age_string'};
 926                        } elsif (defined($tag{'epoch'})) {
 927                                my $age = time - $tag{'epoch'};
 928                                $ref_item{'epoch'} = $tag{'epoch'};
 929                                $ref_item{'age'} = age_string($age);
 930                        }
 931                        $ref_item{'reftype'} = $tag{'type'};
 932                        $ref_item{'name'} = $tag{'name'};
 933                        $ref_item{'refid'} = $tag{'object'};
 934                } elsif ($type eq "commit"){
 935                        %co = git_read_commit($ref_id);
 936                        $ref_item{'reftype'} = "commit";
 937                        $ref_item{'name'} = $ref_file;
 938                        $ref_item{'title'} = $co{'title'};
 939                        $ref_item{'refid'} = $ref_id;
 940                        $ref_item{'epoch'} = $co{'committer_epoch'};
 941                        $ref_item{'age'} = $co{'age_string'};
 942                }
 943
 944                push @reflist, \%ref_item;
 945        }
 946        # sort tags by age
 947        @reflist = sort {$b->{'epoch'} <=> $a->{'epoch'}} @reflist;
 948        return \@reflist;
 949}
 950
 951sub git_summary {
 952        my $descr = git_read_description($project) || "none";
 953        my $head = git_read_hash("$project/HEAD");
 954        my %co = git_read_commit($head);
 955        my %cd = date_str($co{'committer_epoch'}, $co{'committer_tz'});
 956
 957        my $owner;
 958        if (-f $projects_list) {
 959                open (my $fd , $projects_list);
 960                while (my $line = <$fd>) {
 961                        chomp $line;
 962                        my ($pr, $ow) = split ' ', $line;
 963                        $pr = unescape($pr);
 964                        $ow = unescape($ow);
 965                        if ($pr eq $project) {
 966                                $owner = $ow;
 967                                last;
 968                        }
 969                }
 970                close $fd;
 971        }
 972        if (!defined $owner) {
 973                $owner = get_file_owner("$projectroot/$project");
 974        }
 975
 976        git_header_html();
 977        print "<div class=\"page_nav\">\n" .
 978              "summary".
 979              " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=shortlog")}, "shortlog") .
 980              " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=log")}, "log") .
 981              " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$head")}, "commit") .
 982              " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commitdiff;h=$head")}, "commitdiff") .
 983              " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=tree")}, "tree") .
 984              "<br/><br/>\n" .
 985              "</div>\n";
 986        print "<div class=\"title\">&nbsp;</div>\n";
 987        print "<table cellspacing=\"0\">\n" .
 988              "<tr><td>description</td><td>" . esc_html($descr) . "</td></tr>\n" .
 989              "<tr><td>owner</td><td>$owner</td></tr>\n" .
 990              "<tr><td>last change</td><td>$cd{'rfc2822'}</td></tr>\n" .
 991              "</table>\n";
 992        open my $fd, "-|", "$gitbin/git-rev-list --max-count=17 " . git_read_hash("$project/HEAD") or die_error(undef, "Open failed.");
 993        my (@revlist) = map { chomp; $_ } <$fd>;
 994        close $fd;
 995        print "<div>\n" .
 996              $cgi->a({-href => esc_url("$my_uri?p=$project;a=shortlog"), -class => "title"}, "shortlog") .
 997              "</div>\n";
 998        my $i = 16;
 999        print "<table cellspacing=\"0\">\n";
1000        my $alternate = 0;
1001        foreach my $commit (@revlist) {
1002                my %co = git_read_commit($commit);
1003                my %ad = date_str($co{'author_epoch'});
1004                if ($alternate) {
1005                        print "<tr class=\"dark\">\n";
1006                } else {
1007                        print "<tr class=\"light\">\n";
1008                }
1009                $alternate ^= 1;
1010                if ($i-- > 0) {
1011                        print "<td><i>$co{'age_string'}</i></td>\n" .
1012                              "<td><i>" . esc_html(chop_str($co{'author_name'}, 10)) . "</i></td>\n" .
1013                              "<td>";
1014                        if (length($co{'title_short'}) < length($co{'title'})) {
1015                                print $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$commit"), -class => "list", -title => "$co{'title'}"},
1016                                      "<b>" . esc_html($co{'title_short'}) . "</b>");
1017                        } else {
1018                                print $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$commit"), -class => "list"},
1019                                      "<b>" . esc_html($co{'title'}) . "</b>");
1020                        }
1021                        print "</td>\n" .
1022                              "<td class=\"link\">" .
1023                              $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$commit")}, "commit") .
1024                              " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
1025                              "</td>\n" .
1026                              "</tr>";
1027                } else {
1028                        print "<td>" . $cgi->a({-href => esc_url("$my_uri?p=$project;a=shortlog")}, "...") . "</td>\n" .
1029                        "</tr>";
1030                        last;
1031                }
1032        }
1033        print "</table\n>";
1034
1035        my $taglist = git_read_refs("refs/tags");
1036        if (defined @$taglist) {
1037                print "<div>\n" .
1038                      $cgi->a({-href => esc_url("$my_uri?p=$project;a=tags"), -class => "title"}, "tags") .
1039                      "</div>\n";
1040                my $i = 16;
1041                print "<table cellspacing=\"0\">\n";
1042                my $alternate = 0;
1043                foreach my $entry (@$taglist) {
1044                        my %tag = %$entry;
1045                        my $comment_lines = $tag{'comment'};
1046                        my $comment = shift @$comment_lines;
1047                        if (defined($comment)) {
1048                                $comment = chop_str($comment, 30, 5);
1049                        }
1050                        if ($alternate) {
1051                                print "<tr class=\"dark\">\n";
1052                        } else {
1053                                print "<tr class=\"light\">\n";
1054                        }
1055                        $alternate ^= 1;
1056                        if ($i-- > 0) {
1057                                print "<td><i>$tag{'age'}</i></td>\n" .
1058                                      "<td>" .
1059                                      $cgi->a({-href => esc_url("$my_uri?p=$project;a=$tag{'reftype'};h=$tag{'refid'}"), -class => "list"},
1060                                      "<b>" . esc_html($tag{'name'}) . "</b>") .
1061                                      "</td>\n" .
1062                                      "<td>";
1063                                if (defined($comment)) {
1064                                      print $cgi->a({-class => "list", -href => esc_url("$my_uri?p=$project;a=tag;h=$tag{'id'}")}, $comment);
1065                                }
1066                                print "</td>\n" .
1067                                      "<td class=\"link\">";
1068                                if ($tag{'type'} eq "tag") {
1069                                      print $cgi->a({-href => esc_url("$my_uri?p=$project;a=tag;h=$tag{'id'}")}, "tag") . " | ";
1070                                }
1071                                print $cgi->a({-href => esc_url("$my_uri?p=$project;a=$tag{'reftype'};h=$tag{'refid'}")}, $tag{'reftype'});
1072                                if ($tag{'reftype'} eq "commit") {
1073                                      print " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=shortlog;h=$tag{'name'}")}, "shortlog") .
1074                                            " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=log;h=$tag{'refid'}")}, "log");
1075                                }
1076                                print "</td>\n" .
1077                                      "</tr>";
1078                        } else {
1079                                print "<td>" . $cgi->a({-href => esc_url("$my_uri?p=$project;a=tags")}, "...") . "</td>\n" .
1080                                "</tr>";
1081                                last;
1082                        }
1083                }
1084                print "</table\n>";
1085        }
1086
1087        my $headlist = git_read_refs("refs/heads");
1088        if (defined @$headlist) {
1089                print "<div>\n" .
1090                      $cgi->a({-href => esc_url("$my_uri?p=$project;a=heads"), -class => "title"}, "heads") .
1091                      "</div>\n";
1092                my $i = 16;
1093                print "<table cellspacing=\"0\">\n";
1094                my $alternate = 0;
1095                foreach my $entry (@$headlist) {
1096                        my %tag = %$entry;
1097                        if ($alternate) {
1098                                print "<tr class=\"dark\">\n";
1099                        } else {
1100                                print "<tr class=\"light\">\n";
1101                        }
1102                        $alternate ^= 1;
1103                        if ($i-- > 0) {
1104                                print "<td><i>$tag{'age'}</i></td>\n" .
1105                                      "<td>" .
1106                                      $cgi->a({-href => esc_url("$my_uri?p=$project;a=shortlog;h=$tag{'name'}"), -class => "list"},
1107                                      "<b>" . esc_html($tag{'name'}) . "</b>") .
1108                                      "</td>\n" .
1109                                      "<td class=\"link\">" .
1110                                      $cgi->a({-href => esc_url("$my_uri?p=$project;a=shortlog;h=$tag{'name'}")}, "shortlog") .
1111                                      " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=log;h=$tag{'name'}")}, "log") .
1112                                      "</td>\n" .
1113                                      "</tr>";
1114                        } else {
1115                                print "<td>" . $cgi->a({-href => esc_url("$my_uri?p=$project;a=heads")}, "...") . "</td>\n" .
1116                                "</tr>";
1117                                last;
1118                        }
1119                }
1120                print "</table\n>";
1121        }
1122        git_footer_html();
1123}
1124
1125sub git_tag {
1126        my $head = git_read_hash("$project/HEAD");
1127        git_header_html();
1128        print "<div class=\"page_nav\">\n" .
1129              $cgi->a({-href => esc_url("$my_uri?p=$project;a=summary")}, "summary") .
1130              " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=shortlog")}, "shortlog") .
1131              " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=log")}, "log") .
1132              " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$head")}, "commit") .
1133              " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commitdiff;h=$head")}, "commitdiff") .
1134              " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=tree;hb=$head")}, "tree") . "<br/>\n" .
1135              "<br/>\n" .
1136              "</div>\n";
1137        my %tag = git_read_tag($hash);
1138        print "<div>\n" .
1139              $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$hash"), -class => "title"}, esc_html($tag{'name'})) . "\n" .
1140              "</div>\n";
1141        print "<div class=\"title_text\">\n" .
1142              "<table cellspacing=\"0\">\n" .
1143              "<tr>\n" .
1144              "<td>object</td>\n" .
1145              "<td>" . $cgi->a({-class => "list", -href => esc_url("$my_uri?p=$project;a=$tag{'type'};h=$tag{'object'}")}, $tag{'object'}) . "</td>\n" .
1146              "<td class=\"link\">" . $cgi->a({-href => esc_url("$my_uri?p=$project;a=$tag{'type'};h=$tag{'object'}")}, $tag{'type'}) . "</td>\n" .
1147              "</tr>\n";
1148        if (defined($tag{'author'})) {
1149                my %ad = date_str($tag{'epoch'}, $tag{'tz'});
1150                print "<tr><td>author</td><td>" . esc_html($tag{'author'}) . "</td></tr>\n";
1151                print "<tr><td></td><td>" . $ad{'rfc2822'} . sprintf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'}) . "</td></tr>\n";
1152        }
1153        print "</table>\n\n" .
1154              "</div>\n";
1155        print "<div class=\"page_body\">";
1156        my $comment = $tag{'comment'};
1157        foreach my $line (@$comment) {
1158                print esc_html($line) . "<br/>\n";
1159        }
1160        print "</div>\n";
1161        git_footer_html();
1162}
1163
1164sub git_tags {
1165        my $head = git_read_hash("$project/HEAD");
1166        git_header_html();
1167        print "<div class=\"page_nav\">\n" .
1168              $cgi->a({-href => esc_url("$my_uri?p=$project;a=summary")}, "summary") .
1169              " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=shortlog")}, "shortlog") .
1170              " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=log")}, "log") .
1171              " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$head")}, "commit") .
1172              " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commitdiff;h=$head")}, "commitdiff") .
1173              " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=tree;hb=$head")}, "tree") . "<br/>\n" .
1174              "<br/>\n" .
1175              "</div>\n";
1176        my $taglist = git_read_refs("refs/tags");
1177        print "<div>\n" .
1178              $cgi->a({-href => esc_url("$my_uri?p=$project;a=summary"), -class => "title"}, "&nbsp;") .
1179              "</div>\n";
1180        print "<table cellspacing=\"0\">\n";
1181        my $alternate = 0;
1182        if (defined @$taglist) {
1183                foreach my $entry (@$taglist) {
1184                        my %tag = %$entry;
1185                        my $comment_lines = $tag{'comment'};
1186                        my $comment = shift @$comment_lines;
1187                        if (defined($comment)) {
1188                                $comment = chop_str($comment, 30, 5);
1189                        }
1190                        if ($alternate) {
1191                                print "<tr class=\"dark\">\n";
1192                        } else {
1193                                print "<tr class=\"light\">\n";
1194                        }
1195                        $alternate ^= 1;
1196                        print "<td><i>$tag{'age'}</i></td>\n" .
1197                              "<td>" .
1198                              $cgi->a({-href => esc_url("$my_uri?p=$project;a=$tag{'reftype'};h=$tag{'refid'}"), -class => "list"},
1199                              "<b>" . esc_html($tag{'name'}) . "</b>") .
1200                              "</td>\n" .
1201                              "<td>";
1202                        if (defined($comment)) {
1203                              print $cgi->a({-class => "list", -href => esc_url("$my_uri?p=$project;a=tag;h=$tag{'id'}")}, $comment);
1204                        }
1205                        print "</td>\n" .
1206                              "<td class=\"link\">";
1207                        if ($tag{'type'} eq "tag") {
1208                              print $cgi->a({-href => esc_url("$my_uri?p=$project;a=tag;h=$tag{'id'}")}, "tag") . " | ";
1209                        }
1210                        print $cgi->a({-href => esc_url("$my_uri?p=$project;a=$tag{'reftype'};h=$tag{'refid'}")}, $tag{'reftype'});
1211                        if ($tag{'reftype'} eq "commit") {
1212                              print " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=shortlog;h=$tag{'name'}")}, "shortlog") .
1213                                    " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=log;h=$tag{'refid'}")}, "log");
1214                        }
1215                        print "</td>\n" .
1216                              "</tr>";
1217                }
1218        }
1219        print "</table\n>";
1220        git_footer_html();
1221}
1222
1223sub git_heads {
1224        my $head = git_read_hash("$project/HEAD");
1225        git_header_html();
1226        print "<div class=\"page_nav\">\n" .
1227              $cgi->a({-href => esc_url("$my_uri?p=$project;a=summary")}, "summary") .
1228              " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=shortlog")}, "shortlog") .
1229              " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=log")}, "log") .
1230              " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$head")}, "commit") .
1231              " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commitdiff;h=$head")}, "commitdiff") .
1232              " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=tree;hb=$head")}, "tree") . "<br/>\n" .
1233              "<br/>\n" .
1234              "</div>\n";
1235        my $taglist = git_read_refs("refs/heads");
1236        print "<div>\n" .
1237              $cgi->a({-href => esc_url("$my_uri?p=$project;a=summary"), -class => "title"}, "&nbsp;") .
1238              "</div>\n";
1239        print "<table cellspacing=\"0\">\n";
1240        my $alternate = 0;
1241        if (defined @$taglist) {
1242                foreach my $entry (@$taglist) {
1243                        my %tag = %$entry;
1244                        if ($alternate) {
1245                                print "<tr class=\"dark\">\n";
1246                        } else {
1247                                print "<tr class=\"light\">\n";
1248                        }
1249                        $alternate ^= 1;
1250                        print "<td><i>$tag{'age'}</i></td>\n" .
1251                              "<td>" .
1252                              $cgi->a({-href => esc_url("$my_uri?p=$project;a=shortlog;h=$tag{'name'}"), -class => "list"}, "<b>" . esc_html($tag{'name'}) . "</b>") .
1253                              "</td>\n" .
1254                              "<td class=\"link\">" .
1255                              $cgi->a({-href => esc_url("$my_uri?p=$project;a=shortlog;h=$tag{'name'}")}, "shortlog") .
1256                              " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=log;h=$tag{'name'}")}, "log") .
1257                              "</td>\n" .
1258                              "</tr>";
1259                }
1260        }
1261        print "</table\n>";
1262        git_footer_html();
1263}
1264
1265sub git_get_hash_by_path {
1266        my $base = shift;
1267        my $path = shift || return undef;
1268
1269        my $tree = $base;
1270        my @parts = split '/', $path;
1271        while (my $part = shift @parts) {
1272                open my $fd, "-|", "$gitbin/git-ls-tree $tree" or die_error(undef, "Open git-ls-tree failed.");
1273                my (@entries) = map { chomp; $_ } <$fd>;
1274                close $fd or return undef;
1275                foreach my $line (@entries) {
1276                        #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
1277                        $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
1278                        my $t_mode = $1;
1279                        my $t_type = $2;
1280                        my $t_hash = $3;
1281                        my $t_name = $4;
1282                        if ($t_name eq $part) {
1283                                if (!(@parts)) {
1284                                        return $t_hash;
1285                                }
1286                                if ($t_type eq "tree") {
1287                                        $tree = $t_hash;
1288                                }
1289                                last;
1290                        }
1291                }
1292        }
1293}
1294
1295sub git_blob {
1296        if (!defined $hash && defined $file_name) {
1297                my $base = $hash_base || git_read_hash("$project/HEAD");
1298                $hash = git_get_hash_by_path($base, $file_name, "blob");
1299        }
1300        open my $fd, "-|", "$gitbin/git-cat-file blob $hash" or die_error(undef, "Open failed.");
1301        git_header_html();
1302        if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
1303                print "<div class=\"page_nav\">\n" .
1304                      $cgi->a({-href => esc_url("$my_uri?p=$project;a=summary")}, "summary") .
1305                      " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=shortlog")}, "shortlog") .
1306                      " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=log")}, "log") .
1307                      " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$hash_base")}, "commit") .
1308                      " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commitdiff;h=$hash_base")}, "commitdiff") .
1309                      " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash_base")}, "tree") . "<br/>\n";
1310                if (defined $file_name) {
1311                        print $cgi->a({-href => esc_url("$my_uri?p=$project;a=blob_plain;h=$hash;f=$file_name")}, "plain") . "<br/>\n";
1312                } else {
1313                        print $cgi->a({-href => esc_url("$my_uri?p=$project;a=blob_plain;h=$hash")}, "plain") . "<br/>\n";
1314                }
1315                print "</div>\n".
1316                       "<div>" .
1317                      $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$hash_base"), -class => "title"}, esc_html($co{'title'})) .
1318                      "</div>\n";
1319        } else {
1320                print "<div class=\"page_nav\">\n" .
1321                      "<br/><br/></div>\n" .
1322                      "<div class=\"title\">$hash</div>\n";
1323        }
1324        if (defined $file_name) {
1325                print "<div class=\"page_path\"><b>$file_name</b></div>\n";
1326        }
1327        print "<div class=\"page_body\">\n";
1328        my $nr;
1329        while (my $line = <$fd>) {
1330                chomp $line;
1331                $nr++;
1332                while ((my $pos = index($line, "\t")) != -1) {
1333                        if (my $count = (8 - ($pos % 8))) {
1334                                my $spaces = ' ' x $count;
1335                                $line =~ s/\t/$spaces/;
1336                        }
1337                }
1338                printf "<div class=\"pre\"><a id=\"l%i\" href=\"#l%i\" class=\"linenr\">%4i</a> %s</div>\n", $nr, $nr, $nr, esc_html($line);
1339        }
1340        close $fd or print "Reading blob failed.\n";
1341        print "</div>";
1342        git_footer_html();
1343}
1344
1345sub git_blob_plain {
1346        my $save_as = "$hash.txt";
1347        if (defined $file_name) {
1348                $save_as = $file_name;
1349        }
1350        print $cgi->header(-type => "text/plain", -charset => 'utf-8', '-content-disposition' => "inline; filename=\"$save_as\"");
1351        open my $fd, "-|", "$gitbin/git-cat-file blob $hash" or return;
1352        undef $/;
1353        print <$fd>;
1354        $/ = "\n";
1355        close $fd;
1356}
1357
1358sub git_tree {
1359        if (!defined $hash) {
1360                $hash = git_read_hash("$project/HEAD");
1361                if (defined $file_name) {
1362                        my $base = $hash_base || git_read_hash("$project/HEAD");
1363                        $hash = git_get_hash_by_path($base, $file_name, "tree");
1364                }
1365                if (!defined $hash_base) {
1366                        $hash_base = git_read_hash("$project/HEAD");
1367                }
1368        }
1369        open my $fd, "-|", "$gitbin/git-ls-tree $hash" or die_error(undef, "Open git-ls-tree failed.");
1370        my (@entries) = map { chomp; $_ } <$fd>;
1371        close $fd or die_error(undef, "Reading tree failed.");
1372
1373        git_header_html();
1374        my $base_key = "";
1375        my $file_key = "";
1376        my $base = "";
1377        if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
1378                $base_key = ";hb=$hash_base";
1379                print "<div class=\"page_nav\">\n" .
1380                      $cgi->a({-href => esc_url("$my_uri?p=$project;a=summary")}, "summary") .
1381                      " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=shortlog;h=$hash_base")}, "shortlog") .
1382                      " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=log;h=$hash_base")}, "log") .
1383                      " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$hash_base")}, "commit") .
1384                      " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commitdiff;h=$hash_base")}, "commitdiff") .
1385                      " | tree" .
1386                      "<br/><br/>\n" .
1387                      "</div>\n";
1388                print "<div>\n" .
1389                      $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$hash_base"), -class => "title"}, esc_html($co{'title'})) . "\n" .
1390                      "</div>\n";
1391        } else {
1392                print "<div class=\"page_nav\">\n";
1393                print "<br/><br/></div>\n";
1394                print "<div class=\"title\">$hash</div>\n";
1395        }
1396        if (defined $file_name) {
1397                $base = "$file_name/";
1398                print "<div class=\"page_path\"><b>/$file_name</b></div>\n";
1399        } else {
1400                print "<div class=\"page_path\"><b>/</b></div>\n";
1401        }
1402        print "<div class=\"page_body\">\n";
1403        print "<table cellspacing=\"0\">\n";
1404        my $alternate = 0;
1405        foreach my $line (@entries) {
1406                #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
1407                $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
1408                my $t_mode = $1;
1409                my $t_type = $2;
1410                my $t_hash = $3;
1411                my $t_name = $4;
1412                $file_key = ";f=$base$t_name";
1413                if ($alternate) {
1414                        print "<tr class=\"dark\">\n";
1415                } else {
1416                        print "<tr class=\"light\">\n";
1417                }
1418                $alternate ^= 1;
1419                print "<td style=\"font-family:monospace\">" . mode_str($t_mode) . "</td>\n";
1420                if ($t_type eq "blob") {
1421                        print "<td class=\"list\">" .
1422                              $cgi->a({-href => esc_url("$my_uri?p=$project;a=blob;h=$t_hash" . $base_key . $file_key), -class => "list"}, $t_name) .
1423                              "</td>\n" .
1424                              "<td class=\"link\">" .
1425                              $cgi->a({-href => esc_url("$my_uri?p=$project;a=blob;h=$t_hash" . $base_key . $file_key)}, "blob") .
1426                              " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=history;h=$hash_base" . $file_key)}, "history") .
1427                              "</td>\n";
1428                } elsif ($t_type eq "tree") {
1429                        print "<td class=\"list\">" .
1430                              $cgi->a({-href => esc_url("$my_uri?p=$project;a=tree;h=$t_hash" . $base_key . $file_key)}, $t_name) .
1431                              "</td>\n" .
1432                              "<td class=\"link\">" .
1433                              $cgi->a({-href => esc("$my_uri?p=$project;a=tree;h=$t_hash" . $base_key . $file_key)}, "tree") .
1434                              "</td>\n";
1435                }
1436                print "</tr>\n";
1437        }
1438        print "</table>\n" .
1439              "</div>";
1440        git_footer_html();
1441}
1442
1443sub git_rss {
1444        # http://www.notestips.com/80256B3A007F2692/1/NAMO5P9UPQ
1445        open my $fd, "-|", "$gitbin/git-rev-list --max-count=150 " . git_read_hash("$project/HEAD") or die_error(undef, "Open failed.");
1446        my (@revlist) = map { chomp; $_ } <$fd>;
1447        close $fd or die_error(undef, "Reading rev-list failed.");
1448        print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
1449        print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
1450              "<rss version=\"2.0\" xmlns:content=\"http://purl.org/rss/1.0/modules/content/\">\n";
1451        print "<channel>\n";
1452        print "<title>$project</title>\n".
1453              "<link>" . esc_html("$my_url?p=$project;a=summary") . "</link>\n".
1454              "<description>$project log</description>\n".
1455              "<language>en</language>\n";
1456
1457        for (my $i = 0; $i <= $#revlist; $i++) {
1458                my $commit = $revlist[$i];
1459                my %co = git_read_commit($commit);
1460                # we read 150, we always show 30 and the ones more recent than 48 hours
1461                if (($i >= 20) && ((time - $co{'committer_epoch'}) > 48*60*60)) {
1462                        last;
1463                }
1464                my %cd = date_str($co{'committer_epoch'});
1465                open $fd, "-|", "$gitbin/git-diff-tree -r $co{'parent'} $co{'id'}" or next;
1466                my @difftree = map { chomp; $_ } <$fd>;
1467                close $fd or next;
1468                print "<item>\n" .
1469                      "<title>" .
1470                      sprintf("%d %s %02d:%02d", $cd{'mday'}, $cd{'month'}, $cd{'hour'}, $cd{'minute'}) . " - " . esc_html($co{'title'}) .
1471                      "</title>\n" .
1472                      "<author>" . esc_html($co{'author'}) . "</author>\n" .
1473                      "<pubDate>$cd{'rfc2822'}</pubDate>\n" .
1474                      "<guid isPermaLink=\"true\">" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</guid>\n" .
1475                      "<link>" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</link>\n" .
1476                      "<description>" . esc_html($co{'title'}) . "</description>\n" .
1477                      "<content:encoded>" .
1478                      "<![CDATA[\n";
1479                my $comment = $co{'comment'};
1480                foreach my $line (@$comment) {
1481                        $line = decode("utf8", $line, Encode::FB_DEFAULT);
1482                        print "$line<br/>\n";
1483                }
1484                print "<br/>\n";
1485                foreach my $line (@difftree) {
1486                        if (!($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/)) {
1487                                next;
1488                        }
1489                        my $file = $7;
1490                        print "$file<br/>\n";
1491                }
1492                print "]]>\n" .
1493                      "</content:encoded>\n" .
1494                      "</item>\n";
1495        }
1496        print "</channel></rss>";
1497}
1498
1499sub git_opml {
1500        my @list = git_read_projects();
1501
1502        print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
1503        print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
1504              "<opml version=\"1.0\">\n".
1505              "<head>".
1506              "  <title>Git OPML Export</title>\n".
1507              "</head>\n".
1508              "<body>\n".
1509              "<outline text=\"git RSS feeds\">\n";
1510
1511        foreach my $pr (@list) {
1512                my %proj = %$pr;
1513                my $head = git_read_hash("$proj{'path'}/HEAD");
1514                if (!defined $head) {
1515                        next;
1516                }
1517                $ENV{'GIT_DIR'} = "$projectroot/$proj{'path'}";
1518                my %co = git_read_commit($head);
1519                if (!%co) {
1520                        next;
1521                }
1522
1523                my $path = esc_html(chop_str($proj{'path'}, 25, 5));
1524                my $rss =  "$my_url?p=$proj{'path'};a=rss";
1525                my $html =  "$my_url?p=$proj{'path'};a=summary";
1526                print "<outline type=\"rss\" text=\"$path\" title=\"$path\" xmlUrl=\"$rss\" htmlUrl=\"$html\"/>\n";
1527        }
1528        print "</outline>\n".
1529              "</body>\n".
1530              "</opml>\n";
1531}
1532
1533sub git_log {
1534        my $head = git_read_hash("$project/HEAD");
1535        if (!defined $hash) {
1536                $hash = $head;
1537        }
1538        if (!defined $page) {
1539                $page = 0;
1540        }
1541        git_header_html();
1542        print "<div class=\"page_nav\">\n";
1543        print $cgi->a({-href => esc_url("$my_uri?p=$project;a=summary")}, "summary") .
1544              " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=shortlog;h=$hash")}, "shortlog") .
1545              " | log" .
1546              " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$hash")}, "commit") .
1547              " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commitdiff;h=$hash")}, "commitdiff") .
1548              " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=tree;h=$hash;hb=$hash")}, "tree") . "<br/>\n";
1549
1550        my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
1551        open my $fd, "-|", "$gitbin/git-rev-list $limit $hash" or die_error(undef, "Open failed.");
1552        my (@revlist) = map { chomp; $_ } <$fd>;
1553        close $fd;
1554
1555        if ($hash ne $head || $page) {
1556                print $cgi->a({-href => esc_url("$my_uri?p=$project;a=log")}, "HEAD");
1557        } else {
1558                print "HEAD";
1559        }
1560        if ($page > 0) {
1561                print " &sdot; " .
1562                $cgi->a({-href => esc_url("$my_uri?p=$project;a=log;h=$hash;pg=" . ($page-1)), -accesskey => "p", -title => "Alt-p"}, "prev");
1563        } else {
1564                print " &sdot; prev";
1565        }
1566        if ($#revlist >= (100 * ($page+1)-1)) {
1567                print " &sdot; " .
1568                $cgi->a({-href => esc_url("$my_uri?p=$project;a=log;h=$hash;pg=" . ($page+1)), -accesskey => "n", -title => "Alt-n"}, "next");
1569        } else {
1570                print " &sdot; next";
1571        }
1572        print "<br/>\n" .
1573              "</div>\n";
1574        if (!@revlist) {
1575                print "<div>\n" .
1576                      $cgi->a({-href => esc_url("$my_uri?p=$project;a=summary"), -class => "title"}, "&nbsp;") .
1577                      "</div>\n";
1578                my %co = git_read_commit($hash);
1579                print "<div class=\"page_body\"> Last change $co{'age_string'}.<br/><br/></div>\n";
1580        }
1581        for (my $i = ($page * 100); $i <= $#revlist; $i++) {
1582                my $commit = $revlist[$i];
1583                my %co = git_read_commit($commit);
1584                next if !%co;
1585                my %ad = date_str($co{'author_epoch'});
1586                print "<div>\n" .
1587                      $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$commit"), -class => "title"},
1588                      "<span class=\"age\">$co{'age_string'}</span>" . esc_html($co{'title'})) . "\n" .
1589                      "</div>\n";
1590                print "<div class=\"title_text\">\n" .
1591                      "<div class=\"log_link\">\n" .
1592                      $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$commit")}, "commit") .
1593                      " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
1594                      "<br/>\n" .
1595                      "</div>\n" .
1596                      "<i>" . esc_html($co{'author_name'}) .  " [$ad{'rfc2822'}]</i><br/>\n" .
1597                      "</div>\n" .
1598                      "<div class=\"log_body\">\n";
1599                my $comment = $co{'comment'};
1600                my $empty = 0;
1601                foreach my $line (@$comment) {
1602                        if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1603                                next;
1604                        }
1605                        if ($line eq "") {
1606                                if ($empty) {
1607                                        next;
1608                                }
1609                                $empty = 1;
1610                        } else {
1611                                $empty = 0;
1612                        }
1613                        print format_log_line_html($line) . "<br/>\n";
1614                }
1615                if (!$empty) {
1616                        print "<br/>\n";
1617                }
1618                print "</div>\n";
1619        }
1620        git_footer_html();
1621}
1622
1623sub git_commit {
1624        my %co = git_read_commit($hash);
1625        if (!%co) {
1626                die_error(undef, "Unknown commit object.");
1627        }
1628        my %ad = date_str($co{'author_epoch'}, $co{'author_tz'});
1629        my %cd = date_str($co{'committer_epoch'}, $co{'committer_tz'});
1630
1631        my @difftree;
1632        my $root = "";
1633        my $parent = $co{'parent'};
1634        if (!defined $parent) {
1635                $root = " --root";
1636                $parent = "";
1637        }
1638        open my $fd, "-|", "$gitbin/git-diff-tree -r -M $root $parent $hash" or die_error(undef, "Open failed.");
1639        @difftree = map { chomp; $_ } <$fd>;
1640        close $fd or die_error(undef, "Reading diff-tree failed.");
1641
1642        # non-textual hash id's can be cached
1643        my $expires;
1644        if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
1645                $expires = "+1d";
1646        }
1647        git_header_html(undef, $expires);
1648        print "<div class=\"page_nav\">\n" .
1649              $cgi->a({-href => esc_url("$my_uri?p=$project;a=summary")}, "summary") .
1650              " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=shortlog;h=$hash")}, "shortlog") .
1651              " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=log;h=$hash")}, "log") .
1652              " | commit";
1653        if (defined $co{'parent'}) {
1654                print " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commitdiff;h=$hash")}, "commitdiff");
1655        }
1656        print " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") . "\n" .
1657              "<br/><br/></div>\n";
1658        if (defined $co{'parent'}) {
1659                print "<div>\n" .
1660                      $cgi->a({-href => esc_url("$my_uri?p=$project;a=commitdiff;h=$hash"), -class => "title"}, esc_html($co{'title'})) . "\n" .
1661                      "</div>\n";
1662        } else {
1663                print "<div>\n" .
1664                      $cgi->a({-href => esc_url("$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash"), -class => "title"}, esc_html($co{'title'})) . "\n" .
1665                      "</div>\n";
1666        }
1667        print "<div class=\"title_text\">\n" .
1668              "<table cellspacing=\"0\">\n";
1669        print "<tr><td>author</td><td>" . esc_html($co{'author'}) . "</td></tr>\n".
1670              "<tr>" .
1671              "<td></td><td> $ad{'rfc2822'}";
1672        if ($ad{'hour_local'} < 6) {
1673                printf(" (<span style=\"color: #cc0000;\">%02d:%02d</span> %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1674        } else {
1675                printf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1676        }
1677        print "</td>" .
1678              "</tr>\n";
1679        print "<tr><td>committer</td><td>" . esc_html($co{'committer'}) . "</td></tr>\n";
1680        print "<tr><td></td><td> $cd{'rfc2822'}" . sprintf(" (%02d:%02d %s)", $cd{'hour_local'}, $cd{'minute_local'}, $cd{'tz_local'}) . "</td></tr>\n";
1681        print "<tr><td>commit</td><td style=\"font-family:monospace\">$co{'id'}</td></tr>\n";
1682        print "<tr>" .
1683              "<td>tree</td>" .
1684              "<td style=\"font-family:monospace\">" .
1685              $cgi->a({-href => esc_url("$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash"), class => "list"}, $co{'tree'}) .
1686              "</td>" .
1687              "<td class=\"link\">" . $cgi->a({-href => esc_url("$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") .
1688              "</td>" .
1689              "</tr>\n";
1690        my $parents  = $co{'parents'};
1691        foreach my $par (@$parents) {
1692                print "<tr>" .
1693                      "<td>parent</td>" .
1694                      "<td style=\"font-family:monospace\">" . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$par"), class => "list"}, $par) . "</td>" .
1695                      "<td class=\"link\">" .
1696                      $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$par")}, "commit") .
1697                      " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commitdiff;h=$hash;hp=$par")}, "commitdiff") .
1698                      "</td>" .
1699                      "</tr>\n";
1700        }
1701        print "</table>". 
1702              "</div>\n";
1703        print "<div class=\"page_body\">\n";
1704        my $comment = $co{'comment'};
1705        my $empty = 0;
1706        my $signed = 0;
1707        foreach my $line (@$comment) {
1708                # print only one empty line
1709                if ($line eq "") {
1710                        if ($empty || $signed) {
1711                                next;
1712                        }
1713                        $empty = 1;
1714                } else {
1715                        $empty = 0;
1716                }
1717                if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1718                        $signed = 1;
1719                        print "<span style=\"color: #888888\">" . esc_html($line) . "</span><br/>\n";
1720                } else {
1721                        $signed = 0;
1722                        print format_log_line_html($line) . "<br/>\n";
1723                }
1724        }
1725        print "</div>\n";
1726        print "<div class=\"list_head\">\n";
1727        if ($#difftree > 10) {
1728                print(($#difftree + 1) . " files changed:\n");
1729        }
1730        print "</div>\n";
1731        print "<table cellspacing=\"0\">\n";
1732        my $alternate = 0;
1733        foreach my $line (@difftree) {
1734                # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M      ls-files.c'
1735                # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M      rev-tree.c'
1736                if (!($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/)) {
1737                        next;
1738                }
1739                my $from_mode = $1;
1740                my $to_mode = $2;
1741                my $from_id = $3;
1742                my $to_id = $4;
1743                my $status = $5;
1744                my $similarity = $6;
1745                my $file = $7;
1746                if ($alternate) {
1747                        print "<tr class=\"dark\">\n";
1748                } else {
1749                        print "<tr class=\"light\">\n";
1750                }
1751                $alternate ^= 1;
1752                if ($status eq "A") {
1753                        my $mode_chng = "";
1754                        if (S_ISREG(oct $to_mode)) {
1755                                $mode_chng = sprintf(" with mode: %04o", (oct $to_mode) & 0777);
1756                        }
1757                        print "<td>" .
1758                              $cgi->a({-href => esc_url("$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file"), -class => "list"}, esc_html($file)) . "</td>\n" .
1759                              "<td><span style=\"color: #008000;\">[new " . file_type($to_mode) . "$mode_chng]</span></td>\n" .
1760                              "<td class=\"link\">" . $cgi->a({-href => esc_url("$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, "blob") . "</td>\n";
1761                } elsif ($status eq "D") {
1762                        print "<td>" .
1763                              $cgi->a({-href => esc_url("$my_uri?p=$project;a=blob;h=$from_id;hb=$hash;f=$file"), -class => "list"}, esc_html($file)) . "</td>\n" .
1764                              "<td><span style=\"color: #c00000;\">[deleted " . file_type($from_mode). "]</span></td>\n" .
1765                              "<td class=\"link\">" .
1766                              $cgi->a({-href => esc_url("$my_uri?p=$project;a=blob;h=$from_id;hb=$hash;f=$file")}, "blob") .
1767                              " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=history;h=$hash;f=$file")}, "history") .
1768                              "</td>\n"
1769                } elsif ($status eq "M" || $status eq "T") {
1770                        my $mode_chnge = "";
1771                        if ($from_mode != $to_mode) {
1772                                $mode_chnge = " <span style=\"color: #777777;\">[changed";
1773                                if (((oct $from_mode) & S_IFMT) != ((oct $to_mode) & S_IFMT)) {
1774                                        $mode_chnge .= " from " . file_type($from_mode) . " to " . file_type($to_mode);
1775                                }
1776                                if (((oct $from_mode) & 0777) != ((oct $to_mode) & 0777)) {
1777                                        if (S_ISREG($from_mode) && S_ISREG($to_mode)) {
1778                                                $mode_chnge .= sprintf(" mode: %04o->%04o", (oct $from_mode) & 0777, (oct $to_mode) & 0777);
1779                                        } elsif (S_ISREG($to_mode)) {
1780                                                $mode_chnge .= sprintf(" mode: %04o", (oct $to_mode) & 0777);
1781                                        }
1782                                }
1783                                $mode_chnge .= "]</span>\n";
1784                        }
1785                        print "<td>";
1786                        if ($to_id ne $from_id) {
1787                                print $cgi->a({-href => esc_url("$my_uri?p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$file"), -class => "list"}, esc_html($file));
1788                        } else {
1789                                print $cgi->a({-href => esc_url("$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file"), -class => "list"}, esc_html($file));
1790                        }
1791                        print "</td>\n" .
1792                              "<td>$mode_chnge</td>\n" .
1793                              "<td class=\"link\">";
1794                        print $cgi->a({-href => esc_url("$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, "blob");
1795                        if ($to_id ne $from_id) {
1796                                print " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$file")}, "diff");
1797                        }
1798                        print " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=history;h=$hash;f=$file")}, "history") . "\n";
1799                        print "</td>\n";
1800                } elsif ($status eq "R") {
1801                        my ($from_file, $to_file) = split "\t", $file;
1802                        my $mode_chng = "";
1803                        if ($from_mode != $to_mode) {
1804                                $mode_chng = sprintf(", mode: %04o", (oct $to_mode) & 0777);
1805                        }
1806                        print "<td>" .
1807                              $cgi->a({-href => esc_url("$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$to_file"), -class => "list"}, esc_html($to_file)) . "</td>\n" .
1808                              "<td><span style=\"color: #777777;\">[moved from " .
1809                              $cgi->a({-href => esc_url("$my_uri?p=$project;a=blob;h=$from_id;hb=$hash;f=$from_file"), -class => "list"}, esc_html($from_file)) .
1810                              " with " . (int $similarity) . "% similarity$mode_chng]</span></td>\n" .
1811                              "<td class=\"link\">" .
1812                              $cgi->a({-href => esc_uresc_url("$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$to_file")}, "blob");
1813                        if ($to_id ne $from_id) {
1814                                print " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$to_file")}, "diff");
1815                        }
1816                        print "</td>\n";
1817                }
1818                print "</tr>\n";
1819        }
1820        print "</table>\n";
1821        git_footer_html();
1822}
1823
1824sub git_blobdiff {
1825        mkdir($git_temp, 0700);
1826        git_header_html();
1827        if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
1828                print "<div class=\"page_nav\">\n" .
1829                      $cgi->a({-href => esc_url("$my_uri?p=$project;a=summary")}, "summary") .
1830                      " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=shortlog")}, "shortlog") .
1831                      " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=log")}, "log") .
1832                      " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$hash_base")}, "commit") .
1833                      " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commitdiff;h=$hash_base")}, "commitdiff") .
1834                      " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash_base")}, "tree") .
1835                      "<br/>\n";
1836                print $cgi->a({-href => esc_url("$my_uri?p=$project;a=blobdiff_plain;h=$hash;hp=$hash_parent")}, "plain") .
1837                      "</div>\n";
1838                print "<div>\n" .
1839                      $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$hash_base"), -class => "title"}, esc_html($co{'title'})) . "\n" .
1840                      "</div>\n";
1841        } else {
1842                print "<div class=\"page_nav\">\n" .
1843                      "<br/><br/></div>\n" .
1844                      "<div class=\"title\">$hash vs $hash_parent</div>\n";
1845        }
1846        if (defined $file_name) {
1847                print "<div class=\"page_path\"><b>/$file_name</b></div>\n";
1848        }
1849        print "<div class=\"page_body\">\n" .
1850              "<div class=\"diff_info\">blob:" .
1851              $cgi->a({-href => esc_url("$my_uri?p=$project;a=blob;h=$hash_parent;hb=$hash_base;f=$file_name")}, $hash_parent) .
1852              " -> blob:" .
1853              $cgi->a({-href => esc_url("$my_uri?p=$project;a=blob;h=$hash;hb=$hash_base;f=$file_name")}, $hash) .
1854              "</div>\n";
1855        git_diff_print($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash);
1856        print "</div>";
1857        git_footer_html();
1858}
1859
1860sub git_blobdiff_plain {
1861        mkdir($git_temp, 0700);
1862        print $cgi->header(-type => "text/plain", -charset => 'utf-8');
1863        git_diff_print($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash, "plain");
1864}
1865
1866sub git_commitdiff {
1867        mkdir($git_temp, 0700);
1868        my %co = git_read_commit($hash);
1869        if (!%co) {
1870                die_error(undef, "Unknown commit object.");
1871        }
1872        if (!defined $hash_parent) {
1873                $hash_parent = $co{'parent'};
1874        }
1875        open my $fd, "-|", "$gitbin/git-diff-tree -r $hash_parent $hash" or die_error(undef, "Open failed.");
1876        my (@difftree) = map { chomp; $_ } <$fd>;
1877        close $fd or die_error(undef, "Reading diff-tree failed.");
1878
1879        # non-textual hash id's can be cached
1880        my $expires;
1881        if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
1882                $expires = "+1d";
1883        }
1884        git_header_html(undef, $expires);
1885        print "<div class=\"page_nav\">\n" .
1886              $cgi->a({-href => esc_url("$my_uri?p=$project;a=summary")}, "summary") .
1887              " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=shortlog;h=$hash")}, "shortlog") .
1888              " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=log;h=$hash")}, "log") .
1889              " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$hash")}, "commit") .
1890              " | commitdiff" .
1891              " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") . "<br/>\n";
1892        print $cgi->a({-href => esc_url("$my_uri?p=$project;a=commitdiff_plain;h=$hash;hp=$hash_parent")}, "plain") . "\n" .
1893              "</div>\n";
1894        print "<div>\n" .
1895              $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$hash"), -class => "title"}, esc_html($co{'title'})) . "\n" .
1896              "</div>\n";
1897        print "<div class=\"page_body\">\n";
1898        my $comment = $co{'comment'};
1899        my $empty = 0;
1900        my $signed = 0;
1901        my @log = @$comment;
1902        # remove first and empty lines after that
1903        shift @log;
1904        while (defined $log[0] && $log[0] eq "") {
1905                shift @log;
1906        }
1907        foreach my $line (@log) {
1908                if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1909                        next;
1910                }
1911                if ($line eq "") {
1912                        if ($empty) {
1913                                next;
1914                        }
1915                        $empty = 1;
1916                } else {
1917                        $empty = 0;
1918                }
1919                print format_log_line_html($line) . "<br/>\n";
1920        }
1921        print "<br/>\n";
1922        foreach my $line (@difftree) {
1923                # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M      ls-files.c'
1924                # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M      rev-tree.c'
1925                $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/;
1926                my $from_mode = $1;
1927                my $to_mode = $2;
1928                my $from_id = $3;
1929                my $to_id = $4;
1930                my $status = $5;
1931                my $file = $6;
1932                if ($status eq "A") {
1933                        print "<div class=\"diff_info\">" .  file_type($to_mode) . ":" .
1934                              $cgi->a({-href => esc_url("$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, $to_id) . "(new)" .
1935                              "</div>\n";
1936                        git_diff_print(undef, "/dev/null", $to_id, "b/$file");
1937                } elsif ($status eq "D") {
1938                        print "<div class=\"diff_info\">" . file_type($from_mode) . ":" .
1939                              $cgi->a({-href => esc_url("$my_uri?p=$project;a=blob;h=$from_id;hb=$hash;f=$file")}, $from_id) . "(deleted)" .
1940                              "</div>\n";
1941                        git_diff_print($from_id, "a/$file", undef, "/dev/null");
1942                } elsif ($status eq "M") {
1943                        if ($from_id ne $to_id) {
1944                                print "<div class=\"diff_info\">" .
1945                                      file_type($from_mode) . ":" . $cgi->a({-href => esc_url("$my_uri?p=$project;a=blob;h=$from_id;hb=$hash;f=$file")}, $from_id) .
1946                                      " -> " .
1947                                      file_type($to_mode) . ":" . $cgi->a({-href => esc_url("$my_uri?p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, $to_id);
1948                                print "</div>\n";
1949                                git_diff_print($from_id, "a/$file",  $to_id, "b/$file");
1950                        }
1951                }
1952        }
1953        print "<br/>\n" .
1954              "</div>";
1955        git_footer_html();
1956}
1957
1958sub git_commitdiff_plain {
1959        mkdir($git_temp, 0700);
1960        open my $fd, "-|", "$gitbin/git-diff-tree -r $hash_parent $hash" or die_error(undef, "Open failed.");
1961        my (@difftree) = map { chomp; $_ } <$fd>;
1962        close $fd or die_error(undef, "Reading diff-tree failed.");
1963
1964        # try to figure out the next tag after this commit
1965        my $tagname;
1966        my %taghash;
1967        my $tags = git_read_refs("refs/tags");
1968        foreach my $entry (@$tags) {
1969                my %tag = %$entry;
1970                $taghash{$tag{'refid'}} = $tag{'name'};
1971        }
1972        open $fd, "-|", "$gitbin/git-rev-list HEAD";
1973        while (my $commit = <$fd>) {
1974                chomp $commit;
1975                if ($taghash{$commit}) {
1976                        $tagname = $taghash{$commit};
1977                }
1978                if ($commit eq $hash) {
1979                        last;
1980                }
1981        }
1982        close $fd;
1983
1984        print $cgi->header(-type => "text/plain", -charset => 'utf-8', '-content-disposition' => "inline; filename=\"git-$hash.patch\"");
1985        my %co = git_read_commit($hash);
1986        my %ad = date_str($co{'author_epoch'}, $co{'author_tz'});
1987        my $comment = $co{'comment'};
1988        print "From: $co{'author'}\n" .
1989              "Date: $ad{'rfc2822'} ($ad{'tz_local'})\n".
1990              "Subject: $co{'title'}\n";
1991        if (defined $tagname) {
1992              print "X-Git-Tag: $tagname\n";
1993        }
1994        print "X-Git-Url: $my_url?p=$project;a=commitdiff;h=$hash\n" .
1995              "\n";
1996
1997        foreach my $line (@$comment) {;
1998                print "  $line\n";
1999        }
2000        print "---\n\n";
2001
2002        foreach my $line (@difftree) {
2003                $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/;
2004                my $from_id = $3;
2005                my $to_id = $4;
2006                my $status = $5;
2007                my $file = $6;
2008                if ($status eq "A") {
2009                        git_diff_print(undef, "/dev/null", $to_id, "b/$file", "plain");
2010                } elsif ($status eq "D") {
2011                        git_diff_print($from_id, "a/$file", undef, "/dev/null", "plain");
2012                } elsif ($status eq "M") {
2013                        git_diff_print($from_id, "a/$file",  $to_id, "b/$file", "plain");
2014                }
2015        }
2016}
2017
2018sub git_history {
2019        if (!defined $hash) {
2020                $hash = git_read_hash("$project/HEAD");
2021        }
2022        my %co = git_read_commit($hash);
2023        if (!%co) {
2024                die_error(undef, "Unknown commit object.");
2025        }
2026        git_header_html();
2027        print "<div class=\"page_nav\">\n" .
2028              $cgi->a({-href => esc_url("$my_uri?p=$project;a=summary")}, "summary") .
2029              " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=shortlog")}, "shortlog") .
2030              " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=log")}, "log") .
2031              " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$hash")}, "commit") .
2032              " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commitdiff;h=$hash")}, "commitdiff") .
2033              " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") .
2034              "<br/><br/>\n" .
2035              "</div>\n";
2036        print "<div>\n" .
2037              $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$hash"), -class => "title"}, esc_html($co{'title'})) . "\n" .
2038              "</div>\n";
2039        print "<div class=\"page_path\"><b>/$file_name</b><br/></div>\n";
2040
2041        open my $fd, "-|", "$gitbin/git-rev-list $hash | $gitbin/git-diff-tree -r --stdin \'$file_name\'";
2042        my $commit;
2043        print "<table cellspacing=\"0\">\n";
2044        my $alternate = 0;
2045        while (my $line = <$fd>) {
2046                if ($line =~ m/^([0-9a-fA-F]{40})/){
2047                        $commit = $1;
2048                        next;
2049                }
2050                if ($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/ && (defined $commit)) {
2051                        my %co = git_read_commit($commit);
2052                        if (!%co) {
2053                                next;
2054                        }
2055                        if ($alternate) {
2056                                print "<tr class=\"dark\">\n";
2057                        } else {
2058                                print "<tr class=\"light\">\n";
2059                        }
2060                        $alternate ^= 1;
2061                        print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2062                              "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 3)) . "</i></td>\n" .
2063                              "<td>" . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$commit"), -class => "list"}, "<b>" .
2064                              esc_html(chop_str($co{'title'}, 50)) . "</b>") . "</td>\n" .
2065                              "<td class=\"link\">" .
2066                              $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$commit")}, "commit") .
2067                              " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
2068                              " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=blob;hb=$commit;f=$file_name")}, "blob");
2069                        my $blob = git_get_hash_by_path($hash, $file_name);
2070                        my $blob_parent = git_get_hash_by_path($commit, $file_name);
2071                        if (defined $blob && defined $blob_parent && $blob ne $blob_parent) {
2072                                print " | " .
2073                                $cgi->a({-href => esc_url("$my_uri?p=$project;a=blobdiff;h=$blob;hp=$blob_parent;hb=$commit;f=$file_name")},
2074                                "diff to current");
2075                        }
2076                        print "</td>\n" .
2077                              "</tr>\n";
2078                        undef $commit;
2079                }
2080        }
2081        print "</table>\n";
2082        close $fd;
2083        git_footer_html();
2084}
2085
2086sub git_search {
2087        if (!defined $searchtext) {
2088                die_error("", "Text field empty.");
2089        }
2090        if (!defined $hash) {
2091                $hash = git_read_hash("$project/HEAD");
2092        }
2093        my %co = git_read_commit($hash);
2094        if (!%co) {
2095                die_error(undef, "Unknown commit object.");
2096        }
2097        # pickaxe may take all resources of your box and run for several minutes
2098        # with every query - so decide by yourself how public you make this feature :)
2099        my $commit_search = 1;
2100        my $author_search = 0;
2101        my $committer_search = 0;
2102        my $pickaxe_search = 0;
2103        if ($searchtext =~ s/^author\\://i) {
2104                $author_search = 1;
2105        } elsif ($searchtext =~ s/^committer\\://i) {
2106                $committer_search = 1;
2107        } elsif ($searchtext =~ s/^pickaxe\\://i) {
2108                $commit_search = 0;
2109                $pickaxe_search = 1;
2110        }
2111        git_header_html();
2112        print "<div class=\"page_nav\">\n" .
2113              $cgi->a({-href => esc_url("$my_uri?p=$project;a=summary;h=$hash")}, "summary") .
2114              " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=shortlog")}, "shortlog") .
2115              " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=log;h=$hash")}, "log") .
2116              " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$hash")}, "commit") .
2117              " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commitdiff;h=$hash")}, "commitdiff") .
2118              " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") .
2119              "<br/><br/>\n" .
2120              "</div>\n";
2121
2122        print "<div>\n" .
2123              $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$hash"), -class => "title"}, esc_html($co{'title'})) . "\n" .
2124              "</div>\n";
2125        print "<table cellspacing=\"0\">\n";
2126        my $alternate = 0;
2127        if ($commit_search) {
2128                $/ = "\0";
2129                open my $fd, "-|", "$gitbin/git-rev-list --header --parents $hash" or next;
2130                while (my $commit_text = <$fd>) {
2131                        if (!grep m/$searchtext/i, $commit_text) {
2132                                next;
2133                        }
2134                        if ($author_search && !grep m/\nauthor .*$searchtext/i, $commit_text) {
2135                                next;
2136                        }
2137                        if ($committer_search && !grep m/\ncommitter .*$searchtext/i, $commit_text) {
2138                                next;
2139                        }
2140                        my @commit_lines = split "\n", $commit_text;
2141                        my %co = git_read_commit(undef, \@commit_lines);
2142                        if (!%co) {
2143                                next;
2144                        }
2145                        if ($alternate) {
2146                                print "<tr class=\"dark\">\n";
2147                        } else {
2148                                print "<tr class=\"light\">\n";
2149                        }
2150                        $alternate ^= 1;
2151                        print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2152                              "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
2153                              "<td>" .
2154                              $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$co{'id'}"), -class => "list"}, "<b>" . esc_html(chop_str($co{'title'}, 50)) . "</b><br/>");
2155                        my $comment = $co{'comment'};
2156                        foreach my $line (@$comment) {
2157                                if ($line =~ m/^(.*)($searchtext)(.*)$/i) {
2158                                        my $lead = esc_html($1) || "";
2159                                        $lead = chop_str($lead, 30, 10);
2160                                        my $match = esc_html($2) || "";
2161                                        my $trail = esc_html($3) || "";
2162                                        $trail = chop_str($trail, 30, 10);
2163                                        my $text = "$lead<span style=\"color:#e00000\">$match</span>$trail";
2164                                        print chop_str($text, 80, 5) . "<br/>\n";
2165                                }
2166                        }
2167                        print "</td>\n" .
2168                              "<td class=\"link\">" .
2169                              $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$co{'id'}")}, "commit") .
2170                              " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$co{'id'}")}, "tree");
2171                        print "</td>\n" .
2172                              "</tr>\n";
2173                }
2174                close $fd;
2175        }
2176
2177        if ($pickaxe_search) {
2178                $/ = "\n";
2179                open my $fd, "-|", "$gitbin/git-rev-list $hash | $gitbin/git-diff-tree -r --stdin -S\'$searchtext\'";
2180                undef %co;
2181                my @files;
2182                while (my $line = <$fd>) {
2183                        if (%co && $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/) {
2184                                my %set;
2185                                $set{'file'} = $6;
2186                                $set{'from_id'} = $3;
2187                                $set{'to_id'} = $4;
2188                                $set{'id'} = $set{'to_id'};
2189                                if ($set{'id'} =~ m/0{40}/) {
2190                                        $set{'id'} = $set{'from_id'};
2191                                }
2192                                if ($set{'id'} =~ m/0{40}/) {
2193                                        next;
2194                                }
2195                                push @files, \%set;
2196                        } elsif ($line =~ m/^([0-9a-fA-F]{40})$/){
2197                                if (%co) {
2198                                        if ($alternate) {
2199                                                print "<tr class=\"dark\">\n";
2200                                        } else {
2201                                                print "<tr class=\"light\">\n";
2202                                        }
2203                                        $alternate ^= 1;
2204                                        print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2205                                              "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
2206                                              "<td>" .
2207                                              $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$co{'id'}"), -class => "list"}, "<b>" .
2208                                              esc_html(chop_str($co{'title'}, 50)) . "</b><br/>");
2209                                        while (my $setref = shift @files) {
2210                                                my %set = %$setref;
2211                                                print $cgi->a({-href => esc_url("$my_uri?p=$project;a=blob;h=$set{'id'};hb=$co{'id'};f=$set{'file'}"), class => "list"},
2212                                                      "<span style=\"color:#e00000\">" . esc_html($set{'file'}) . "</span>") .
2213                                                      "<br/>\n";
2214                                        }
2215                                        print "</td>\n" .
2216                                              "<td class=\"link\">" .
2217                                              $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$co{'id'}")}, "commit") .
2218                                              " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=tree;h=$co{'tree'};hb=$co{'id'}")}, "tree");
2219                                        print "</td>\n" .
2220                                              "</tr>\n";
2221                                }
2222                                %co = git_read_commit($1);
2223                        }
2224                }
2225                close $fd;
2226        }
2227        print "</table>\n";
2228        git_footer_html();
2229}
2230
2231sub git_shortlog {
2232        my $head = git_read_hash("$project/HEAD");
2233        if (!defined $hash) {
2234                $hash = $head;
2235        }
2236        if (!defined $page) {
2237                $page = 0;
2238        }
2239        git_header_html();
2240        print "<div class=\"page_nav\">\n" .
2241              $cgi->a({-href => esc_url("$my_uri?p=$project;a=summary")}, "summary") .
2242              " | shortlog" .
2243              " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=log;h=$hash")}, "log") .
2244              " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$hash")}, "commit") .
2245              " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commitdiff;h=$hash")}, "commitdiff") .
2246              " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=tree;h=$hash;hb=$hash")}, "tree") . "<br/>\n";
2247
2248        my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
2249        open my $fd, "-|", "$gitbin/git-rev-list $limit $hash" or die_error(undef, "Open failed.");
2250        my (@revlist) = map { chomp; $_ } <$fd>;
2251        close $fd;
2252
2253        if ($hash ne $head || $page) {
2254                print $cgi->a({-href => esc_url("$my_uri?p=$project;a=shortlog")}, "HEAD");
2255        } else {
2256                print "HEAD";
2257        }
2258        if ($page > 0) {
2259                print " &sdot; " .
2260                $cgi->a({-href => esc_url("$my_uri?p=$project;a=shortlog;h=$hash;pg=" . ($page-1)), -accesskey => "p", -title => "Alt-p"}, "prev");
2261        } else {
2262                print " &sdot; prev";
2263        }
2264        if ($#revlist >= (100 * ($page+1)-1)) {
2265                print " &sdot; " .
2266                $cgi->a({-href => esc_url("$my_uri?p=$project;a=shortlog;h=$hash;pg=" . ($page+1)), -accesskey => "n", -title => "Alt-n"}, "next");
2267        } else {
2268                print " &sdot; next";
2269        }
2270        print "<br/>\n" .
2271              "</div>\n";
2272        print "<div>\n" .
2273              $cgi->a({-href => esc_url("$my_uri?p=$project;a=summary"), -class => "title"}, "&nbsp;") .
2274              "</div>\n";
2275        print "<table cellspacing=\"0\">\n";
2276        my $alternate = 0;
2277        for (my $i = ($page * 100); $i <= $#revlist; $i++) {
2278                my $commit = $revlist[$i];
2279                my %co = git_read_commit($commit);
2280                my %ad = date_str($co{'author_epoch'});
2281                if ($alternate) {
2282                        print "<tr class=\"dark\">\n";
2283                } else {
2284                        print "<tr class=\"light\">\n";
2285                }
2286                $alternate ^= 1;
2287                print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2288                      "<td><i>" . esc_html(chop_str($co{'author_name'}, 10)) . "</i></td>\n" .
2289                      "<td>";
2290                if (length($co{'title_short'}) < length($co{'title'})) {
2291                        print $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$commit"), -class => "list", -title => "$co{'title'}"},
2292                              "<b>" . esc_html($co{'title_short'}) . "</b>");
2293                } else {
2294                        print $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$commit"), -class => "list"},
2295                              "<b>" . esc_html($co{'title_short'}) . "</b>");
2296                }
2297                print "</td>\n" .
2298                      "<td class=\"link\">" .
2299                      $cgi->a({-href => esc_url("$my_uri?p=$project;a=commit;h=$commit")}, "commit") .
2300                      " | " . $cgi->a({-href => esc_url("$my_uri?p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
2301                      "</td>\n" .
2302                      "</tr>";
2303        }
2304        if ($#revlist >= (100 * ($page+1)-1)) {
2305                print "<tr>\n" .
2306                      "<td>" .
2307                      $cgi->a({-href => esc_url("$my_uri?p=$project;a=shortlog;h=$hash;pg=" . ($page+1)), -title => "Alt-n"}, "next") .
2308                      "</td>\n" .
2309                      "</tr>\n";
2310        }
2311        print "</table\n>";
2312        git_footer_html();
2313}