Andrew's git - gitweb.git/blob

   1#!/usr/bin/perl
   2
   3# gitweb - simple web interface to track changes in git repositories
   4#
   5# (C) 2005-2006, Kay Sievers <kay.sievers@vrfy.org>
   6# (C) 2005, Christian Gierke
   7#
   8# This program is licensed under the GPLv2
   9
  10use strict;
  11use warnings;
  12use CGI qw(:standard :escapeHTML -nosticky);
  13use CGI::Util qw(unescape);
  14use CGI::Carp qw(fatalsToBrowser);
  15use Encode;
  16use Fcntl ':mode';
  17binmode STDOUT, ':utf8';
  18
  19our $cgi = new CGI;
  20our $version = "267";
  21our $my_url = $cgi->url();
  22our $my_uri = $cgi->url(-absolute => 1);
  23our $rss_link = "";
  24
  25# location of the git-core binaries
  26our $gitbin = "/usr/bin";
  27
  28# absolute fs-path which will be prepended to the project path
  29#our $projectroot = "/pub/scm";
  30our $projectroot = "/home/kay/public_html/pub/scm";
  31
  32# version of the git-core binaries
  33our $git_version = qx($gitbin/git --version);
  34if ($git_version =~ m/git version (.*)$/) {
  35        $git_version = $1;
  36} else {
  37        $git_version = "unknown";
  38}
  39
  40# location for temporary files needed for diffs
  41our $git_temp = "/tmp/gitweb";
  42if (! -d $git_temp) {
  43    mkdir($git_temp, 0700) || die_error("Couldn't mkdir $git_temp");
  44}
  45
  46# target of the home link on top of all pages
  47our $home_link = $my_uri;
  48
  49# html text to include at home page
  50our $home_text = "indextext.html";
  51
  52# URI of default stylesheet
  53our $stylesheet = "gitweb.css";
  54
  55# source of projects list
  56#our $projects_list = $projectroot;
  57our $projects_list = "index/index.aux";
  58
  59# default blob_plain mimetype and default charset for text/plain blob
  60our $default_blob_plain_mimetype = 'text/plain';
  61our $default_text_plain_charset  = undef;
  62
  63# file to use for guessing MIME types before trying /etc/mime.types
  64# (relative to the current git repository)
  65our $mimetypes_file = undef;
  66
  67# input validation and dispatch
  68our $action = $cgi->param('a');
  69if (defined $action) {
  70        if ($action =~ m/[^0-9a-zA-Z\.\-_]/) {
  71                undef $action;
  72                die_error(undef, "Invalid action parameter.");
  73        }
  74        if ($action eq "git-logo.png") {
  75                git_logo();
  76                exit;
  77        } elsif ($action eq "opml") {
  78                git_opml();
  79                exit;
  80        }
  81}
  82
  83our $order = $cgi->param('o');
  84if (defined $order) {
  85        if ($order =~ m/[^0-9a-zA-Z_]/) {
  86                undef $order;
  87                die_error(undef, "Invalid order parameter.");
  88        }
  89}
  90
  91our $project = ($cgi->param('p') || $ENV{'PATH_INFO'});
  92if (defined $project) {
  93        $project =~ s|^/||; $project =~ s|/$||;
  94        $project = validate_input($project);
  95        if (!defined($project)) {
  96                die_error(undef, "Invalid project parameter.");
  97        }
  98        if (!(-d "$projectroot/$project")) {
  99                undef $project;
 100                die_error(undef, "No such directory.");
 101        }
 102        if (!(-e "$projectroot/$project/HEAD")) {
 103                undef $project;
 104                die_error(undef, "No such project.");
 105        }
 106        $rss_link = "<link rel=\"alternate\" title=\"" . esc_param($project) . " log\" href=\"" .
 107                    "$my_uri?" . esc_param("p=$project;a=rss") . "\" type=\"application/rss+xml\"/>";
 108        $ENV{'GIT_DIR'} = "$projectroot/$project";
 109} else {
 110        git_project_list();
 111        exit;
 112}
 113
 114our $file_name = $cgi->param('f');
 115if (defined $file_name) {
 116        $file_name = validate_input($file_name);
 117        if (!defined($file_name)) {
 118                die_error(undef, "Invalid file parameter.");
 119        }
 120}
 121
 122our $hash = $cgi->param('h');
 123if (defined $hash) {
 124        $hash = validate_input($hash);
 125        if (!defined($hash)) {
 126                die_error(undef, "Invalid hash parameter.");
 127        }
 128}
 129
 130our $hash_parent = $cgi->param('hp');
 131if (defined $hash_parent) {
 132        $hash_parent = validate_input($hash_parent);
 133        if (!defined($hash_parent)) {
 134                die_error(undef, "Invalid hash parent parameter.");
 135        }
 136}
 137
 138our $hash_base = $cgi->param('hb');
 139if (defined $hash_base) {
 140        $hash_base = validate_input($hash_base);
 141        if (!defined($hash_base)) {
 142                die_error(undef, "Invalid hash base parameter.");
 143        }
 144}
 145
 146our $page = $cgi->param('pg');
 147if (defined $page) {
 148        if ($page =~ m/[^0-9]$/) {
 149                undef $page;
 150                die_error(undef, "Invalid page parameter.");
 151        }
 152}
 153
 154our $searchtext = $cgi->param('s');
 155if (defined $searchtext) {
 156        if ($searchtext =~ m/[^a-zA-Z0-9_\.\/\-\+\:\@ ]/) {
 157                undef $searchtext;
 158                die_error(undef, "Invalid search parameter.");
 159        }
 160        $searchtext = quotemeta $searchtext;
 161}
 162
 163sub validate_input {
 164        my $input = shift;
 165
 166        if ($input =~ m/^[0-9a-fA-F]{40}$/) {
 167                return $input;
 168        }
 169        if ($input =~ m/(^|\/)(|\.|\.\.)($|\/)/) {
 170                return undef;
 171        }
 172        if ($input =~ m/[^a-zA-Z0-9_\x80-\xff\ \t\.\/\-\+\#\~\%]/) {
 173                return undef;
 174        }
 175        return $input;
 176}
 177
 178if (!defined $action || $action eq "summary") {
 179        git_summary();
 180        exit;
 181} elsif ($action eq "heads") {
 182        git_heads();
 183        exit;
 184} elsif ($action eq "tags") {
 185        git_tags();
 186        exit;
 187} elsif ($action eq "blob") {
 188        git_blob();
 189        exit;
 190} elsif ($action eq "blob_plain") {
 191        git_blob_plain();
 192        exit;
 193} elsif ($action eq "tree") {
 194        git_tree();
 195        exit;
 196} elsif ($action eq "rss") {
 197        git_rss();
 198        exit;
 199} elsif ($action eq "commit") {
 200        git_commit();
 201        exit;
 202} elsif ($action eq "log") {
 203        git_log();
 204        exit;
 205} elsif ($action eq "blobdiff") {
 206        git_blobdiff();
 207        exit;
 208} elsif ($action eq "blobdiff_plain") {
 209        git_blobdiff_plain();
 210        exit;
 211} elsif ($action eq "commitdiff") {
 212        git_commitdiff();
 213        exit;
 214} elsif ($action eq "commitdiff_plain") {
 215        git_commitdiff_plain();
 216        exit;
 217} elsif ($action eq "history") {
 218        git_history();
 219        exit;
 220} elsif ($action eq "search") {
 221        git_search();
 222        exit;
 223} elsif ($action eq "shortlog") {
 224        git_shortlog();
 225        exit;
 226} elsif ($action eq "tag") {
 227        git_tag();
 228        exit;
 229} elsif ($action eq "blame") {
 230        git_blame();
 231        exit;
 232} else {
 233        undef $action;
 234        die_error(undef, "Unknown action.");
 235        exit;
 236}
 237
 238# quote unsafe chars, but keep the slash, even when it's not
 239# correct, but quoted slashes look too horrible in bookmarks
 240sub esc_param {
 241        my $str = shift;
 242        $str =~ s/([^A-Za-z0-9\-_.~();\/;?:@&=])/sprintf("%%%02X", ord($1))/eg;
 243        $str =~ s/\+/%2B/g;
 244        $str =~ s/ /\+/g;
 245        return $str;
 246}
 247
 248# replace invalid utf8 character with SUBSTITUTION sequence
 249sub esc_html {
 250        my $str = shift;
 251        $str = decode("utf8", $str, Encode::FB_DEFAULT);
 252        $str = escapeHTML($str);
 253        return $str;
 254}
 255
 256# git may return quoted and escaped filenames
 257sub unquote {
 258        my $str = shift;
 259        if ($str =~ m/^"(.*)"$/) {
 260                $str = $1;
 261                $str =~ s/\\([0-7]{1,3})/chr(oct($1))/eg;
 262        }
 263        return $str;
 264}
 265
 266# CSS class for given age value (in seconds)
 267sub age_class {
 268        my $age = shift;
 269
 270        if ($age < 60*60*2) {
 271                return "age0";
 272        } elsif ($age < 60*60*24*2) {
 273                return "age1";
 274        } else {
 275                return "age2";
 276        }
 277}
 278
 279sub git_header_html {
 280        my $status = shift || "200 OK";
 281        my $expires = shift;
 282
 283        my $title = "git";
 284        if (defined $project) {
 285                $title .= " - $project";
 286                if (defined $action) {
 287                        $title .= "/$action";
 288                        if (defined $file_name) {
 289                                $title .= " - $file_name";
 290                                if ($action eq "tree" && $file_name !~ m|/$|) {
 291                                        $title .= "/";
 292                                }
 293                        }
 294                }
 295        }
 296        print $cgi->header(-type=>'text/html',  -charset => 'utf-8', -status=> $status, -expires => $expires);
 297        print <<EOF;
 298<?xml version="1.0" encoding="utf-8"?>
 299<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
 300<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US" lang="en-US">
 301<!-- git web interface v$version, (C) 2005-2006, Kay Sievers <kay.sievers\@vrfy.org>, Christian Gierke -->
 302<!-- git core binaries version $git_version -->
 303<head>
 304<meta http-equiv="content-type" content="text/html; charset=utf-8"/>
 305<meta name="robots" content="index, nofollow"/>
 306<title>$title</title>
 307<link rel="stylesheet" type="text/css" href="$stylesheet"/>
 308$rss_link
 309</head>
 310<body>
 311EOF
 312        print "<div class=\"page_header\">\n" .
 313              "<a href=\"http://www.kernel.org/pub/software/scm/git/docs/\" title=\"git documentation\">" .
 314              "<img src=\"$my_uri?" . esc_param("a=git-logo.png") . "\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/>" .
 315              "</a>\n";
 316        print $cgi->a({-href => esc_param($home_link)}, "projects") . " / ";
 317        if (defined $project) {
 318                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, esc_html($project));
 319                if (defined $action) {
 320                        print " / $action";
 321                }
 322                print "\n";
 323                if (!defined $searchtext) {
 324                        $searchtext = "";
 325                }
 326                my $search_hash;
 327                if (defined $hash_base) {
 328                        $search_hash = $hash_base;
 329                } elsif (defined $hash) {
 330                        $search_hash = $hash;
 331                } else {
 332                        $search_hash = "HEAD";
 333                }
 334                $cgi->param("a", "search");
 335                $cgi->param("h", $search_hash);
 336                print $cgi->startform(-method => "get", -action => $my_uri) .
 337                      "<div class=\"search\">\n" .
 338                      $cgi->hidden(-name => "p") . "\n" .
 339                      $cgi->hidden(-name => "a") . "\n" .
 340                      $cgi->hidden(-name => "h") . "\n" .
 341                      $cgi->textfield(-name => "s", -value => $searchtext) . "\n" .
 342                      "</div>" .
 343                      $cgi->end_form() . "\n";
 344        }
 345        print "</div>\n";
 346}
 347
 348sub git_footer_html {
 349        print "<div class=\"page_footer\">\n";
 350        if (defined $project) {
 351                my $descr = git_read_description($project);
 352                if (defined $descr) {
 353                        print "<div class=\"page_footer_text\">" . esc_html($descr) . "</div>\n";
 354                }
 355                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=rss"), -class => "rss_logo"}, "RSS") . "\n";
 356        } else {
 357                print $cgi->a({-href => "$my_uri?" . esc_param("a=opml"), -class => "rss_logo"}, "OPML") . "\n";
 358        }
 359        print "</div>\n" .
 360              "</body>\n" .
 361              "</html>";
 362}
 363
 364sub die_error {
 365        my $status = shift || "403 Forbidden";
 366        my $error = shift || "Malformed query, file missing or permission denied";
 367
 368        git_header_html($status);
 369        print "<div class=\"page_body\">\n" .
 370              "<br/><br/>\n" .
 371              "$status - $error\n" .
 372              "<br/>\n" .
 373              "</div>\n";
 374        git_footer_html();
 375        exit;
 376}
 377
 378sub git_get_type {
 379        my $hash = shift;
 380
 381        open my $fd, "-|", "$gitbin/git-cat-file -t $hash" or return;
 382        my $type = <$fd>;
 383        close $fd or return;
 384        chomp $type;
 385        return $type;
 386}
 387
 388sub git_read_head {
 389        my $project = shift;
 390        my $oENV = $ENV{'GIT_DIR'};
 391        my $retval = undef;
 392        $ENV{'GIT_DIR'} = "$projectroot/$project";
 393        if (open my $fd, "-|", "$gitbin/git-rev-parse", "--verify", "HEAD") {
 394                my $head = <$fd>;
 395                close $fd;
 396                if (defined $head && $head =~ /^([0-9a-fA-F]{40})$/) {
 397                        $retval = $1;
 398                }
 399        }
 400        if (defined $oENV) {
 401                $ENV{'GIT_DIR'} = $oENV;
 402        }
 403        return $retval;
 404}
 405
 406sub git_read_hash {
 407        my $path = shift;
 408
 409        open my $fd, "$projectroot/$path" or return undef;
 410        my $head = <$fd>;
 411        close $fd;
 412        chomp $head;
 413        if ($head =~ m/^[0-9a-fA-F]{40}$/) {
 414                return $head;
 415        }
 416}
 417
 418sub git_read_description {
 419        my $path = shift;
 420
 421        open my $fd, "$projectroot/$path/description" or return undef;
 422        my $descr = <$fd>;
 423        close $fd;
 424        chomp $descr;
 425        return $descr;
 426}
 427
 428sub git_read_tag {
 429        my $tag_id = shift;
 430        my %tag;
 431        my @comment;
 432
 433        open my $fd, "-|", "$gitbin/git-cat-file tag $tag_id" or return;
 434        $tag{'id'} = $tag_id;
 435        while (my $line = <$fd>) {
 436                chomp $line;
 437                if ($line =~ m/^object ([0-9a-fA-F]{40})$/) {
 438                        $tag{'object'} = $1;
 439                } elsif ($line =~ m/^type (.+)$/) {
 440                        $tag{'type'} = $1;
 441                } elsif ($line =~ m/^tag (.+)$/) {
 442                        $tag{'name'} = $1;
 443                } elsif ($line =~ m/^tagger (.*) ([0-9]+) (.*)$/) {
 444                        $tag{'author'} = $1;
 445                        $tag{'epoch'} = $2;
 446                        $tag{'tz'} = $3;
 447                } elsif ($line =~ m/--BEGIN/) {
 448                        push @comment, $line;
 449                        last;
 450                } elsif ($line eq "") {
 451                        last;
 452                }
 453        }
 454        push @comment, <$fd>;
 455        $tag{'comment'} = \@comment;
 456        close $fd or return;
 457        if (!defined $tag{'name'}) {
 458                return
 459        };
 460        return %tag
 461}
 462
 463sub age_string {
 464        my $age = shift;
 465        my $age_str;
 466
 467        if ($age > 60*60*24*365*2) {
 468                $age_str = (int $age/60/60/24/365);
 469                $age_str .= " years ago";
 470        } elsif ($age > 60*60*24*(365/12)*2) {
 471                $age_str = int $age/60/60/24/(365/12);
 472                $age_str .= " months ago";
 473        } elsif ($age > 60*60*24*7*2) {
 474                $age_str = int $age/60/60/24/7;
 475                $age_str .= " weeks ago";
 476        } elsif ($age > 60*60*24*2) {
 477                $age_str = int $age/60/60/24;
 478                $age_str .= " days ago";
 479        } elsif ($age > 60*60*2) {
 480                $age_str = int $age/60/60;
 481                $age_str .= " hours ago";
 482        } elsif ($age > 60*2) {
 483                $age_str = int $age/60;
 484                $age_str .= " min ago";
 485        } elsif ($age > 2) {
 486                $age_str = int $age;
 487                $age_str .= " sec ago";
 488        } else {
 489                $age_str .= " right now";
 490        }
 491        return $age_str;
 492}
 493
 494sub git_read_commit {
 495        my $commit_id = shift;
 496        my $commit_text = shift;
 497
 498        my @commit_lines;
 499        my %co;
 500
 501        if (defined $commit_text) {
 502                @commit_lines = @$commit_text;
 503        } else {
 504                $/ = "\0";
 505                open my $fd, "-|", "$gitbin/git-rev-list --header --parents --max-count=1 $commit_id" or return;
 506                @commit_lines = split '\n', <$fd>;
 507                close $fd or return;
 508                $/ = "\n";
 509                pop @commit_lines;
 510        }
 511        my $header = shift @commit_lines;
 512        if (!($header =~ m/^[0-9a-fA-F]{40}/)) {
 513                return;
 514        }
 515        ($co{'id'}, my @parents) = split ' ', $header;
 516        $co{'parents'} = \@parents;
 517        $co{'parent'} = $parents[0];
 518        while (my $line = shift @commit_lines) {
 519                last if $line eq "\n";
 520                if ($line =~ m/^tree ([0-9a-fA-F]{40})$/) {
 521                        $co{'tree'} = $1;
 522                } elsif ($line =~ m/^author (.*) ([0-9]+) (.*)$/) {
 523                        $co{'author'} = $1;
 524                        $co{'author_epoch'} = $2;
 525                        $co{'author_tz'} = $3;
 526                        if ($co{'author'} =~ m/^([^<]+) </) {
 527                                $co{'author_name'} = $1;
 528                        } else {
 529                                $co{'author_name'} = $co{'author'};
 530                        }
 531                } elsif ($line =~ m/^committer (.*) ([0-9]+) (.*)$/) {
 532                        $co{'committer'} = $1;
 533                        $co{'committer_epoch'} = $2;
 534                        $co{'committer_tz'} = $3;
 535                        $co{'committer_name'} = $co{'committer'};
 536                        $co{'committer_name'} =~ s/ <.*//;
 537                }
 538        }
 539        if (!defined $co{'tree'}) {
 540                return;
 541        };
 542
 543        foreach my $title (@commit_lines) {
 544                $title =~ s/^    //;
 545                if ($title ne "") {
 546                        $co{'title'} = chop_str($title, 80, 5);
 547                        # remove leading stuff of merges to make the interesting part visible
 548                        if (length($title) > 50) {
 549                                $title =~ s/^Automatic //;
 550                                $title =~ s/^merge (of|with) /Merge ... /i;
 551                                if (length($title) > 50) {
 552                                        $title =~ s/(http|rsync):\/\///;
 553                                }
 554                                if (length($title) > 50) {
 555                                        $title =~ s/(master|www|rsync)\.//;
 556                                }
 557                                if (length($title) > 50) {
 558                                        $title =~ s/kernel.org:?//;
 559                                }
 560                                if (length($title) > 50) {
 561                                        $title =~ s/\/pub\/scm//;
 562                                }
 563                        }
 564                        $co{'title_short'} = chop_str($title, 50, 5);
 565                        last;
 566                }
 567        }
 568        # remove added spaces
 569        foreach my $line (@commit_lines) {
 570                $line =~ s/^    //;
 571        }
 572        $co{'comment'} = \@commit_lines;
 573
 574        my $age = time - $co{'committer_epoch'};
 575        $co{'age'} = $age;
 576        $co{'age_string'} = age_string($age);
 577        my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($co{'committer_epoch'});
 578        if ($age > 60*60*24*7*2) {
 579                $co{'age_string_date'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
 580                $co{'age_string_age'} = $co{'age_string'};
 581        } else {
 582                $co{'age_string_date'} = $co{'age_string'};
 583                $co{'age_string_age'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
 584        }
 585        return %co;
 586}
 587
 588sub git_diff_print {
 589        my $from = shift;
 590        my $from_name = shift;
 591        my $to = shift;
 592        my $to_name = shift;
 593        my $format = shift || "html";
 594
 595        my $from_tmp = "/dev/null";
 596        my $to_tmp = "/dev/null";
 597        my $pid = $$;
 598
 599        # create tmp from-file
 600        if (defined $from) {
 601                $from_tmp = "$git_temp/gitweb_" . $$ . "_from";
 602                open my $fd2, "> $from_tmp";
 603                open my $fd, "-|", "$gitbin/git-cat-file blob $from";
 604                my @file = <$fd>;
 605                print $fd2 @file;
 606                close $fd2;
 607                close $fd;
 608        }
 609
 610        # create tmp to-file
 611        if (defined $to) {
 612                $to_tmp = "$git_temp/gitweb_" . $$ . "_to";
 613                open my $fd2, "> $to_tmp";
 614                open my $fd, "-|", "$gitbin/git-cat-file blob $to";
 615                my @file = <$fd>;
 616                print $fd2 @file;
 617                close $fd2;
 618                close $fd;
 619        }
 620
 621        open my $fd, "-|", "/usr/bin/diff -u -p -L \'$from_name\' -L \'$to_name\' $from_tmp $to_tmp";
 622        if ($format eq "plain") {
 623                undef $/;
 624                print <$fd>;
 625                $/ = "\n";
 626        } else {
 627                while (my $line = <$fd>) {
 628                        chomp($line);
 629                        my $char = substr($line, 0, 1);
 630                        my $diff_class = "";
 631                        if ($char eq '+') {
 632                                $diff_class = " add";
 633                        } elsif ($char eq "-") {
 634                                $diff_class = " rem";
 635                        } elsif ($char eq "@") {
 636                                $diff_class = " chunk_header";
 637                        } elsif ($char eq "\\") {
 638                                # skip errors
 639                                next;
 640                        }
 641                        while ((my $pos = index($line, "\t")) != -1) {
 642                                if (my $count = (8 - (($pos-1) % 8))) {
 643                                        my $spaces = ' ' x $count;
 644                                        $line =~ s/\t/$spaces/;
 645                                }
 646                        }
 647                        print "<div class=\"diff$diff_class\">" . esc_html($line) . "</div>\n";
 648                }
 649        }
 650        close $fd;
 651
 652        if (defined $from) {
 653                unlink($from_tmp);
 654        }
 655        if (defined $to) {
 656                unlink($to_tmp);
 657        }
 658}
 659
 660sub mode_str {
 661        my $mode = oct shift;
 662
 663        if (S_ISDIR($mode & S_IFMT)) {
 664                return 'drwxr-xr-x';
 665        } elsif (S_ISLNK($mode)) {
 666                return 'lrwxrwxrwx';
 667        } elsif (S_ISREG($mode)) {
 668                # git cares only about the executable bit
 669                if ($mode & S_IXUSR) {
 670                        return '-rwxr-xr-x';
 671                } else {
 672                        return '-rw-r--r--';
 673                };
 674        } else {
 675                return '----------';
 676        }
 677}
 678
 679sub chop_str {
 680        my $str = shift;
 681        my $len = shift;
 682        my $add_len = shift || 10;
 683
 684        # allow only $len chars, but don't cut a word if it would fit in $add_len
 685        # if it doesn't fit, cut it if it's still longer than the dots we would add
 686        $str =~ m/^(.{0,$len}[^ \/\-_:\.@]{0,$add_len})(.*)/;
 687        my $body = $1;
 688        my $tail = $2;
 689        if (length($tail) > 4) {
 690                $tail = " ...";
 691        }
 692        return "$body$tail";
 693}
 694
 695sub file_type {
 696        my $mode = oct shift;
 697
 698        if (S_ISDIR($mode & S_IFMT)) {
 699                return "directory";
 700        } elsif (S_ISLNK($mode)) {
 701                return "symlink";
 702        } elsif (S_ISREG($mode)) {
 703                return "file";
 704        } else {
 705                return "unknown";
 706        }
 707}
 708
 709sub format_log_line_html {
 710        my $line = shift;
 711
 712        $line = esc_html($line);
 713        $line =~ s/ /&nbsp;/g;
 714        if ($line =~ m/([0-9a-fA-F]{40})/) {
 715                my $hash_text = $1;
 716                if (git_get_type($hash_text) eq "commit") {
 717                        my $link = $cgi->a({-class => "text", -href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_text")}, $hash_text);
 718                        $line =~ s/$hash_text/$link/;
 719                }
 720        }
 721        return $line;
 722}
 723
 724sub date_str {
 725        my $epoch = shift;
 726        my $tz = shift || "-0000";
 727
 728        my %date;
 729        my @months = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
 730        my @days = ("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat");
 731        my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($epoch);
 732        $date{'hour'} = $hour;
 733        $date{'minute'} = $min;
 734        $date{'mday'} = $mday;
 735        $date{'day'} = $days[$wday];
 736        $date{'month'} = $months[$mon];
 737        $date{'rfc2822'} = sprintf "%s, %d %s %4d %02d:%02d:%02d +0000", $days[$wday], $mday, $months[$mon], 1900+$year, $hour ,$min, $sec;
 738        $date{'mday-time'} = sprintf "%d %s %02d:%02d", $mday, $months[$mon], $hour ,$min;
 739
 740        $tz =~ m/^([+\-][0-9][0-9])([0-9][0-9])$/;
 741        my $local = $epoch + ((int $1 + ($2/60)) * 3600);
 742        ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($local);
 743        $date{'hour_local'} = $hour;
 744        $date{'minute_local'} = $min;
 745        $date{'tz_local'} = $tz;
 746        return %date;
 747}
 748
 749# git-logo (cached in browser for one day)
 750sub git_logo {
 751        binmode STDOUT, ':raw';
 752        print $cgi->header(-type => 'image/png', -expires => '+1d');
 753        # cat git-logo.png | hexdump -e '16/1 " %02x"  "\n"' | sed 's/ /\\x/g'
 754        print   "\x89\x50\x4e\x47\x0d\x0a\x1a\x0a\x00\x00\x00\x0d\x49\x48\x44\x52" .
 755                "\x00\x00\x00\x48\x00\x00\x00\x1b\x04\x03\x00\x00\x00\x2d\xd9\xd4" .
 756                "\x2d\x00\x00\x00\x18\x50\x4c\x54\x45\xff\xff\xff\x60\x60\x5d\xb0" .
 757                "\xaf\xaa\x00\x80\x00\xce\xcd\xc7\xc0\x00\x00\xe8\xe8\xe6\xf7\xf7" .
 758                "\xf6\x95\x0c\xa7\x47\x00\x00\x00\x73\x49\x44\x41\x54\x28\xcf\x63" .
 759                "\x48\x67\x20\x04\x4a\x5c\x18\x0a\x08\x2a\x62\x53\x61\x20\x02\x08" .
 760                "\x0d\x69\x45\xac\xa1\xa1\x01\x30\x0c\x93\x60\x36\x26\x52\x91\xb1" .
 761                "\x01\x11\xd6\xe1\x55\x64\x6c\x6c\xcc\x6c\x6c\x0c\xa2\x0c\x70\x2a" .
 762                "\x62\x06\x2a\xc1\x62\x1d\xb3\x01\x02\x53\xa4\x08\xe8\x00\x03\x18" .
 763                "\x26\x56\x11\xd4\xe1\x20\x97\x1b\xe0\xb4\x0e\x35\x24\x71\x29\x82" .
 764                "\x99\x30\xb8\x93\x0a\x11\xb9\x45\x88\xc1\x8d\xa0\xa2\x44\x21\x06" .
 765                "\x27\x41\x82\x40\x85\xc1\x45\x89\x20\x70\x01\x00\xa4\x3d\x21\xc5" .
 766                "\x12\x1c\x9a\xfe\x00\x00\x00\x00\x49\x45\x4e\x44\xae\x42\x60\x82";
 767}
 768
 769sub get_file_owner {
 770        my $path = shift;
 771
 772        my ($dev, $ino, $mode, $nlink, $st_uid, $st_gid, $rdev, $size) = stat($path);
 773        my ($name, $passwd, $uid, $gid, $quota, $comment, $gcos, $dir, $shell) = getpwuid($st_uid);
 774        if (!defined $gcos) {
 775                return undef;
 776        }
 777        my $owner = $gcos;
 778        $owner =~ s/[,;].*$//;
 779        return decode("utf8", $owner, Encode::FB_DEFAULT);
 780}
 781
 782sub git_read_projects {
 783        my @list;
 784
 785        if (-d $projects_list) {
 786                # search in directory
 787                my $dir = $projects_list;
 788                opendir my $dh, $dir or return undef;
 789                while (my $dir = readdir($dh)) {
 790                        if (-e "$projectroot/$dir/HEAD") {
 791                                my $pr = {
 792                                        path => $dir,
 793                                };
 794                                push @list, $pr
 795                        }
 796                }
 797                closedir($dh);
 798        } elsif (-f $projects_list) {
 799                # read from file(url-encoded):
 800                # 'git%2Fgit.git Linus+Torvalds'
 801                # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
 802                # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
 803                open my $fd , $projects_list or return undef;
 804                while (my $line = <$fd>) {
 805                        chomp $line;
 806                        my ($path, $owner) = split ' ', $line;
 807                        $path = unescape($path);
 808                        $owner = unescape($owner);
 809                        if (!defined $path) {
 810                                next;
 811                        }
 812                        if (-e "$projectroot/$path/HEAD") {
 813                                my $pr = {
 814                                        path => $path,
 815                                        owner => decode("utf8", $owner, Encode::FB_DEFAULT),
 816                                };
 817                                push @list, $pr
 818                        }
 819                }
 820                close $fd;
 821        }
 822        @list = sort {$a->{'path'} cmp $b->{'path'}} @list;
 823        return @list;
 824}
 825
 826sub git_get_project_config {
 827        my $key = shift;
 828
 829        return unless ($key);
 830        $key =~ s/^gitweb\.//;
 831        return if ($key =~ m/\W/);
 832
 833        my $val = qx($gitbin/git-repo-config --get gitweb.$key);
 834        return ($val);
 835}
 836
 837sub git_get_project_config_bool {
 838        my $val = git_get_project_config (@_);
 839        if ($val and $val =~ m/true|yes|on/) {
 840                return (1);
 841        }
 842        return; # implicit false
 843}
 844
 845sub git_project_list {
 846        my @list = git_read_projects();
 847        my @projects;
 848        if (!@list) {
 849                die_error(undef, "No project found.");
 850        }
 851        foreach my $pr (@list) {
 852                my $head = git_read_head($pr->{'path'});
 853                if (!defined $head) {
 854                        next;
 855                }
 856                $ENV{'GIT_DIR'} = "$projectroot/$pr->{'path'}";
 857                my %co = git_read_commit($head);
 858                if (!%co) {
 859                        next;
 860                }
 861                $pr->{'commit'} = \%co;
 862                if (!defined $pr->{'descr'}) {
 863                        my $descr = git_read_description($pr->{'path'}) || "";
 864                        $pr->{'descr'} = chop_str($descr, 25, 5);
 865                }
 866                if (!defined $pr->{'owner'}) {
 867                        $pr->{'owner'} = get_file_owner("$projectroot/$pr->{'path'}") || "";
 868                }
 869                push @projects, $pr;
 870        }
 871        git_header_html();
 872        if (-f $home_text) {
 873                print "<div class=\"index_include\">\n";
 874                open (my $fd, $home_text);
 875                print <$fd>;
 876                close $fd;
 877                print "</div>\n";
 878        }
 879        print "<table class=\"project_list\">\n" .
 880              "<tr>\n";
 881        if (!defined($order) || (defined($order) && ($order eq "project"))) {
 882                @projects = sort {$a->{'path'} cmp $b->{'path'}} @projects;
 883                print "<th>Project</th>\n";
 884        } else {
 885                print "<th>" . $cgi->a({-class => "header", -href => "$my_uri?" . esc_param("o=project")}, "Project") . "</th>\n";
 886        }
 887        if (defined($order) && ($order eq "descr")) {
 888                @projects = sort {$a->{'descr'} cmp $b->{'descr'}} @projects;
 889                print "<th>Description</th>\n";
 890        } else {
 891                print "<th>" . $cgi->a({-class => "header", -href => "$my_uri?" . esc_param("o=descr")}, "Description") . "</th>\n";
 892        }
 893        if (defined($order) && ($order eq "owner")) {
 894                @projects = sort {$a->{'owner'} cmp $b->{'owner'}} @projects;
 895                print "<th>Owner</th>\n";
 896        } else {
 897                print "<th>" . $cgi->a({-class => "header", -href => "$my_uri?" . esc_param("o=owner")}, "Owner") . "</th>\n";
 898        }
 899        if (defined($order) && ($order eq "age")) {
 900                @projects = sort {$a->{'commit'}{'age'} <=> $b->{'commit'}{'age'}} @projects;
 901                print "<th>Last Change</th>\n";
 902        } else {
 903                print "<th>" . $cgi->a({-class => "header", -href => "$my_uri?" . esc_param("o=age")}, "Last Change") . "</th>\n";
 904        }
 905        print "<th></th>\n" .
 906              "</tr>\n";
 907        my $alternate = 0;
 908        foreach my $pr (@projects) {
 909                if ($alternate) {
 910                        print "<tr class=\"dark\">\n";
 911                } else {
 912                        print "<tr class=\"light\">\n";
 913                }
 914                $alternate ^= 1;
 915                print "<td>" . $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=summary"), -class => "list"}, esc_html($pr->{'path'})) . "</td>\n" .
 916                      "<td>$pr->{'descr'}</td>\n" .
 917                      "<td><i>" . chop_str($pr->{'owner'}, 15) . "</i></td>\n";
 918                print "<td class=\"". age_class($pr->{'commit'}{'age'}) . "\">" . $pr->{'commit'}{'age_string'} . "</td>\n" .
 919                      "<td class=\"link\">" .
 920                      $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=summary")}, "summary") .
 921                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=shortlog")}, "shortlog") .
 922                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=log")}, "log") .
 923                      "</td>\n" .
 924                      "</tr>\n";
 925        }
 926        print "</table>\n";
 927        git_footer_html();
 928}
 929
 930sub read_info_ref {
 931        my $type = shift || "";
 932        my %refs;
 933        # 5dc01c595e6c6ec9ccda4f6f69c131c0dd945f8c      refs/tags/v2.6.11
 934        # c39ae07f393806ccf406ef966e9a15afc43cc36a      refs/tags/v2.6.11^{}
 935        open my $fd, "$projectroot/$project/info/refs" or return;
 936        while (my $line = <$fd>) {
 937                chomp($line);
 938                if ($line =~ m/^([0-9a-fA-F]{40})\t.*$type\/([^\^]+)/) {
 939                        if (defined $refs{$1}) {
 940                                $refs{$1} .= " / $2";
 941                        } else {
 942                                $refs{$1} = $2;
 943                        }
 944                }
 945        }
 946        close $fd or return;
 947        return \%refs;
 948}
 949
 950sub git_read_refs {
 951        my $ref_dir = shift;
 952        my @reflist;
 953
 954        my @refs;
 955        opendir my $dh, "$projectroot/$project/$ref_dir";
 956        while (my $dir = readdir($dh)) {
 957                if ($dir =~ m/^\./) {
 958                        next;
 959                }
 960                if (-d "$projectroot/$project/$ref_dir/$dir") {
 961                        opendir my $dh2, "$projectroot/$project/$ref_dir/$dir";
 962                        my @subdirs = grep !m/^\./, readdir $dh2;
 963                        closedir($dh2);
 964                        foreach my $subdir (@subdirs) {
 965                                push @refs, "$dir/$subdir"
 966                        }
 967                        next;
 968                }
 969                push @refs, $dir;
 970        }
 971        closedir($dh);
 972        foreach my $ref_file (@refs) {
 973                my $ref_id = git_read_hash("$project/$ref_dir/$ref_file");
 974                my $type = git_get_type($ref_id) || next;
 975                my %ref_item;
 976                my %co;
 977                $ref_item{'type'} = $type;
 978                $ref_item{'id'} = $ref_id;
 979                $ref_item{'epoch'} = 0;
 980                $ref_item{'age'} = "unknown";
 981                if ($type eq "tag") {
 982                        my %tag = git_read_tag($ref_id);
 983                        $ref_item{'comment'} = $tag{'comment'};
 984                        if ($tag{'type'} eq "commit") {
 985                                %co = git_read_commit($tag{'object'});
 986                                $ref_item{'epoch'} = $co{'committer_epoch'};
 987                                $ref_item{'age'} = $co{'age_string'};
 988                        } elsif (defined($tag{'epoch'})) {
 989                                my $age = time - $tag{'epoch'};
 990                                $ref_item{'epoch'} = $tag{'epoch'};
 991                                $ref_item{'age'} = age_string($age);
 992                        }
 993                        $ref_item{'reftype'} = $tag{'type'};
 994                        $ref_item{'name'} = $tag{'name'};
 995                        $ref_item{'refid'} = $tag{'object'};
 996                } elsif ($type eq "commit"){
 997                        %co = git_read_commit($ref_id);
 998                        $ref_item{'reftype'} = "commit";
 999                        $ref_item{'name'} = $ref_file;
1000                        $ref_item{'title'} = $co{'title'};
1001                        $ref_item{'refid'} = $ref_id;
1002                        $ref_item{'epoch'} = $co{'committer_epoch'};
1003                        $ref_item{'age'} = $co{'age_string'};
1004                }
1005
1006                push @reflist, \%ref_item;
1007        }
1008        # sort tags by age
1009        @reflist = sort {$b->{'epoch'} <=> $a->{'epoch'}} @reflist;
1010        return \@reflist;
1011}
1012
1013sub git_summary {
1014        my $descr = git_read_description($project) || "none";
1015        my $head = git_read_head($project);
1016        my %co = git_read_commit($head);
1017        my %cd = date_str($co{'committer_epoch'}, $co{'committer_tz'});
1018
1019        my $owner;
1020        if (-f $projects_list) {
1021                open (my $fd , $projects_list);
1022                while (my $line = <$fd>) {
1023                        chomp $line;
1024                        my ($pr, $ow) = split ' ', $line;
1025                        $pr = unescape($pr);
1026                        $ow = unescape($ow);
1027                        if ($pr eq $project) {
1028                                $owner = decode("utf8", $ow, Encode::FB_DEFAULT);
1029                                last;
1030                        }
1031                }
1032                close $fd;
1033        }
1034        if (!defined $owner) {
1035                $owner = get_file_owner("$projectroot/$project");
1036        }
1037
1038        my $refs = read_info_ref();
1039        git_header_html();
1040        print "<div class=\"page_nav\">\n" .
1041              "summary".
1042              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
1043              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
1044              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$head")}, "commit") .
1045              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$head")}, "commitdiff") .
1046              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree")}, "tree") .
1047              "<br/><br/>\n" .
1048              "</div>\n";
1049        print "<div class=\"title\">&nbsp;</div>\n";
1050        print "<table cellspacing=\"0\">\n" .
1051              "<tr><td>description</td><td>" . esc_html($descr) . "</td></tr>\n" .
1052              "<tr><td>owner</td><td>$owner</td></tr>\n" .
1053              "<tr><td>last change</td><td>$cd{'rfc2822'}</td></tr>\n" .
1054              "</table>\n";
1055        open my $fd, "-|", "$gitbin/git-rev-list --max-count=17 " . git_read_head($project) or die_error(undef, "Open failed.");
1056        my (@revlist) = map { chomp; $_ } <$fd>;
1057        close $fd;
1058        print "<div>\n" .
1059              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog"), -class => "title"}, "shortlog") .
1060              "</div>\n";
1061        my $i = 16;
1062        print "<table cellspacing=\"0\">\n";
1063        my $alternate = 0;
1064        foreach my $commit (@revlist) {
1065                my %co = git_read_commit($commit);
1066                my %ad = date_str($co{'author_epoch'});
1067                if ($alternate) {
1068                        print "<tr class=\"dark\">\n";
1069                } else {
1070                        print "<tr class=\"light\">\n";
1071                }
1072                $alternate ^= 1;
1073                if ($i-- > 0) {
1074                        my $ref = "";
1075                        if (defined $refs->{$commit}) {
1076                                $ref = " <span class=\"tag\">" . esc_html($refs->{$commit}) . "</span>";
1077                        }
1078                        print "<td><i>$co{'age_string'}</i></td>\n" .
1079                              "<td><i>" . esc_html(chop_str($co{'author_name'}, 10)) . "</i></td>\n" .
1080                              "<td>";
1081                        if (length($co{'title_short'}) < length($co{'title'})) {
1082                                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "list", -title => "$co{'title'}"},
1083                                      "<b>" . esc_html($co{'title_short'}) . "$ref</b>");
1084                        } else {
1085                                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "list"},
1086                                      "<b>" . esc_html($co{'title'}) . "$ref</b>");
1087                        }
1088                        print "</td>\n" .
1089                              "<td class=\"link\">" .
1090                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit")}, "commit") .
1091                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
1092                              "</td>\n" .
1093                              "</tr>";
1094                } else {
1095                        print "<td>" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "...") . "</td>\n" .
1096                        "</tr>";
1097                        last;
1098                }
1099        }
1100        print "</table\n>";
1101
1102        my $taglist = git_read_refs("refs/tags");
1103        if (defined @$taglist) {
1104                print "<div>\n" .
1105                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tags"), -class => "title"}, "tags") .
1106                      "</div>\n";
1107                my $i = 16;
1108                print "<table cellspacing=\"0\">\n";
1109                my $alternate = 0;
1110                foreach my $entry (@$taglist) {
1111                        my %tag = %$entry;
1112                        my $comment_lines = $tag{'comment'};
1113                        my $comment = shift @$comment_lines;
1114                        if (defined($comment)) {
1115                                $comment = chop_str($comment, 30, 5);
1116                        }
1117                        if ($alternate) {
1118                                print "<tr class=\"dark\">\n";
1119                        } else {
1120                                print "<tr class=\"light\">\n";
1121                        }
1122                        $alternate ^= 1;
1123                        if ($i-- > 0) {
1124                                print "<td><i>$tag{'age'}</i></td>\n" .
1125                                      "<td>" .
1126                                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'reftype'};h=$tag{'refid'}"), -class => "list"},
1127                                      "<b>" . esc_html($tag{'name'}) . "</b>") .
1128                                      "</td>\n" .
1129                                      "<td>";
1130                                if (defined($comment)) {
1131                                      print $cgi->a({-class => "list", -href => "$my_uri?" . esc_param("p=$project;a=tag;h=$tag{'id'}")}, $comment);
1132                                }
1133                                print "</td>\n" .
1134                                      "<td class=\"link\">";
1135                                if ($tag{'type'} eq "tag") {
1136                                      print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tag;h=$tag{'id'}")}, "tag") . " | ";
1137                                }
1138                                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'reftype'};h=$tag{'refid'}")}, $tag{'reftype'});
1139                                if ($tag{'reftype'} eq "commit") {
1140                                      print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}")}, "shortlog") .
1141                                            " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$tag{'refid'}")}, "log");
1142                                }
1143                                print "</td>\n" .
1144                                      "</tr>";
1145                        } else {
1146                                print "<td>" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tags")}, "...") . "</td>\n" .
1147                                "</tr>";
1148                                last;
1149                        }
1150                }
1151                print "</table\n>";
1152        }
1153
1154        my $headlist = git_read_refs("refs/heads");
1155        if (defined @$headlist) {
1156                print "<div>\n" .
1157                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=heads"), -class => "title"}, "heads") .
1158                      "</div>\n";
1159                my $i = 16;
1160                print "<table cellspacing=\"0\">\n";
1161                my $alternate = 0;
1162                foreach my $entry (@$headlist) {
1163                        my %tag = %$entry;
1164                        if ($alternate) {
1165                                print "<tr class=\"dark\">\n";
1166                        } else {
1167                                print "<tr class=\"light\">\n";
1168                        }
1169                        $alternate ^= 1;
1170                        if ($i-- > 0) {
1171                                print "<td><i>$tag{'age'}</i></td>\n" .
1172                                      "<td>" .
1173                                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}"), -class => "list"},
1174                                      "<b>" . esc_html($tag{'name'}) . "</b>") .
1175                                      "</td>\n" .
1176                                      "<td class=\"link\">" .
1177                                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}")}, "shortlog") .
1178                                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$tag{'name'}")}, "log") .
1179                                      "</td>\n" .
1180                                      "</tr>";
1181                        } else {
1182                                print "<td>" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=heads")}, "...") . "</td>\n" .
1183                                "</tr>";
1184                                last;
1185                        }
1186                }
1187                print "</table\n>";
1188        }
1189        git_footer_html();
1190}
1191
1192sub git_tag {
1193        my $head = git_read_head($project);
1194        git_header_html();
1195        print "<div class=\"page_nav\">\n" .
1196              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1197              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
1198              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
1199              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$head")}, "commit") .
1200              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$head")}, "commitdiff") .
1201              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;hb=$head")}, "tree") . "<br/>\n" .
1202              "<br/>\n" .
1203              "</div>\n";
1204        my %tag = git_read_tag($hash);
1205        print "<div>\n" .
1206              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash"), -class => "title"}, esc_html($tag{'name'})) . "\n" .
1207              "</div>\n";
1208        print "<div class=\"title_text\">\n" .
1209              "<table cellspacing=\"0\">\n" .
1210              "<tr>\n" .
1211              "<td>object</td>\n" .
1212              "<td>" . $cgi->a({-class => "list", -href => "$my_uri?" . esc_param("p=$project;a=$tag{'type'};h=$tag{'object'}")}, $tag{'object'}) . "</td>\n" .
1213              "<td class=\"link\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'type'};h=$tag{'object'}")}, $tag{'type'}) . "</td>\n" .
1214              "</tr>\n";
1215        if (defined($tag{'author'})) {
1216                my %ad = date_str($tag{'epoch'}, $tag{'tz'});
1217                print "<tr><td>author</td><td>" . esc_html($tag{'author'}) . "</td></tr>\n";
1218                print "<tr><td></td><td>" . $ad{'rfc2822'} . sprintf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'}) . "</td></tr>\n";
1219        }
1220        print "</table>\n\n" .
1221              "</div>\n";
1222        print "<div class=\"page_body\">";
1223        my $comment = $tag{'comment'};
1224        foreach my $line (@$comment) {
1225                print esc_html($line) . "<br/>\n";
1226        }
1227        print "</div>\n";
1228        git_footer_html();
1229}
1230
1231sub git_blame {
1232        my $fd;
1233        die_error('403 Permission denied', "Permission denied.") if (!git_get_project_config_bool ('blame'));
1234        die_error('404 Not Found', "What file will it be, master?") if (!$file_name);
1235        $hash_base ||= git_read_head($project);
1236        die_error(undef, "Reading commit failed.") unless ($hash_base);
1237        my %co = git_read_commit($hash_base)
1238                or die_error(undef, "Reading commit failed.");
1239        if (!defined $hash) {
1240                $hash = git_get_hash_by_path($hash_base, $file_name, "blob")
1241                        or die_error(undef, "Error lookup file.");
1242        }
1243        open ($fd, "-|", "$gitbin/git-annotate", '-l', '-t', '-r', $file_name, $hash_base)
1244                or die_error(undef, "Open failed.");
1245        git_header_html();
1246        print "<div class=\"page_nav\">\n" .
1247                $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1248                " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
1249                " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
1250                " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base")}, "commit") .
1251                " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash_base")}, "commitdiff") .
1252                " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash_base")}, "tree") . "<br/>\n";
1253        print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$hash;hb=$hash_base;f=$file_name")}, "blob") .
1254                " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blame;f=$file_name")}, "head") . "<br/>\n";
1255        print "</div>\n".
1256                "<div>" .
1257                $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base"), -class => "title"}, esc_html($co{'title'})) .
1258                "</div>\n";
1259        print "<div class=\"page_path\"><b>" . esc_html($file_name) . "</b></div>\n";
1260        print "<div class=\"page_body\">\n";
1261        print <<HTML;
1262<table class="blame">
1263  <tr>
1264    <th>Commit</th>
1265    <th>Age</th>
1266    <th>Author</th>
1267    <th>Line</th>
1268    <th>Data</th>
1269  </tr>
1270HTML
1271        my @line_class = (qw(light dark));
1272        my $line_class_len = scalar (@line_class);
1273        my $line_class_num = $#line_class;
1274        while (my $line = <$fd>) {
1275                my $long_rev;
1276                my $short_rev;
1277                my $author;
1278                my $time;
1279                my $lineno;
1280                my $data;
1281                my $age;
1282                my $age_str;
1283                my $age_class;
1284
1285                chomp $line;
1286                $line_class_num = ($line_class_num + 1) % $line_class_len;
1287
1288                if ($line =~ m/^([0-9a-fA-F]{40})\t\(\s*([^\t]+)\t(\d+) \+\d\d\d\d\t(\d+)\)(.*)$/) {
1289                        $long_rev = $1;
1290                        $author   = $2;
1291                        $time     = $3;
1292                        $lineno   = $4;
1293                        $data     = $5;
1294                } else {
1295                        print qq(  <tr><td colspan="5" class="error">Unable to parse: $line</td></tr>\n);
1296                        next;
1297                }
1298                $short_rev  = substr ($long_rev, 0, 8);
1299                $age        = time () - $time;
1300                $age_str    = age_string ($age);
1301                $age_str    =~ s/ /&nbsp;/g;
1302                $age_class  = age_class($age);
1303                $author     = esc_html ($author);
1304                $author     =~ s/ /&nbsp;/g;
1305                # escape tabs
1306                while ((my $pos = index($data, "\t")) != -1) {
1307                        if (my $count = (8 - ($pos % 8))) {
1308                                my $spaces = ' ' x $count;
1309                                $data =~ s/\t/$spaces/;
1310                        }
1311                }
1312                $data = esc_html ($data);
1313
1314                print <<HTML;
1315  <tr class="$line_class[$line_class_num]">
1316    <td class="sha1"><a href="$my_uri?${\esc_param ("p=$project;a=commit;h=$long_rev")}" class="text">$short_rev..</a></td>
1317    <td class="$age_class">$age_str</td>
1318    <td>$author</td>
1319    <td class="linenr"><a id="$lineno" href="#$lineno" class="linenr">$lineno</a></td>
1320    <td class="pre">$data</td>
1321  </tr>
1322HTML
1323        } # while (my $line = <$fd>)
1324        print "</table>\n\n";
1325        close $fd or print "Reading blob failed.\n";
1326        print "</div>";
1327        git_footer_html();
1328}
1329
1330sub git_tags {
1331        my $head = git_read_head($project);
1332        git_header_html();
1333        print "<div class=\"page_nav\">\n" .
1334              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1335              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
1336              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
1337              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$head")}, "commit") .
1338              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$head")}, "commitdiff") .
1339              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;hb=$head")}, "tree") . "<br/>\n" .
1340              "<br/>\n" .
1341              "</div>\n";
1342        my $taglist = git_read_refs("refs/tags");
1343        print "<div>\n" .
1344              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary"), -class => "title"}, "&nbsp;") .
1345              "</div>\n";
1346        print "<table cellspacing=\"0\">\n";
1347        my $alternate = 0;
1348        if (defined @$taglist) {
1349                foreach my $entry (@$taglist) {
1350                        my %tag = %$entry;
1351                        my $comment_lines = $tag{'comment'};
1352                        my $comment = shift @$comment_lines;
1353                        if (defined($comment)) {
1354                                $comment = chop_str($comment, 30, 5);
1355                        }
1356                        if ($alternate) {
1357                                print "<tr class=\"dark\">\n";
1358                        } else {
1359                                print "<tr class=\"light\">\n";
1360                        }
1361                        $alternate ^= 1;
1362                        print "<td><i>$tag{'age'}</i></td>\n" .
1363                              "<td>" .
1364                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'reftype'};h=$tag{'refid'}"), -class => "list"},
1365                              "<b>" . esc_html($tag{'name'}) . "</b>") .
1366                              "</td>\n" .
1367                              "<td>";
1368                        if (defined($comment)) {
1369                              print $cgi->a({-class => "list", -href => "$my_uri?" . esc_param("p=$project;a=tag;h=$tag{'id'}")}, $comment);
1370                        }
1371                        print "</td>\n" .
1372                              "<td class=\"link\">";
1373                        if ($tag{'type'} eq "tag") {
1374                              print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tag;h=$tag{'id'}")}, "tag") . " | ";
1375                        }
1376                        print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'reftype'};h=$tag{'refid'}")}, $tag{'reftype'});
1377                        if ($tag{'reftype'} eq "commit") {
1378                              print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}")}, "shortlog") .
1379                                    " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$tag{'refid'}")}, "log");
1380                        }
1381                        print "</td>\n" .
1382                              "</tr>";
1383                }
1384        }
1385        print "</table\n>";
1386        git_footer_html();
1387}
1388
1389sub git_heads {
1390        my $head = git_read_head($project);
1391        git_header_html();
1392        print "<div class=\"page_nav\">\n" .
1393              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1394              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
1395              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
1396              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$head")}, "commit") .
1397              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$head")}, "commitdiff") .
1398              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;hb=$head")}, "tree") . "<br/>\n" .
1399              "<br/>\n" .
1400              "</div>\n";
1401        my $taglist = git_read_refs("refs/heads");
1402        print "<div>\n" .
1403              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary"), -class => "title"}, "&nbsp;") .
1404              "</div>\n";
1405        print "<table cellspacing=\"0\">\n";
1406        my $alternate = 0;
1407        if (defined @$taglist) {
1408                foreach my $entry (@$taglist) {
1409                        my %tag = %$entry;
1410                        if ($alternate) {
1411                                print "<tr class=\"dark\">\n";
1412                        } else {
1413                                print "<tr class=\"light\">\n";
1414                        }
1415                        $alternate ^= 1;
1416                        print "<td><i>$tag{'age'}</i></td>\n" .
1417                              "<td>" .
1418                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}"), -class => "list"}, "<b>" . esc_html($tag{'name'}) . "</b>") .
1419                              "</td>\n" .
1420                              "<td class=\"link\">" .
1421                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}")}, "shortlog") .
1422                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$tag{'name'}")}, "log") .
1423                              "</td>\n" .
1424                              "</tr>";
1425                }
1426        }
1427        print "</table\n>";
1428        git_footer_html();
1429}
1430
1431sub git_get_hash_by_path {
1432        my $base = shift;
1433        my $path = shift || return undef;
1434
1435        my $tree = $base;
1436        my @parts = split '/', $path;
1437        while (my $part = shift @parts) {
1438                open my $fd, "-|", "$gitbin/git-ls-tree $tree" or die_error(undef, "Open git-ls-tree failed.");
1439                my (@entries) = map { chomp; $_ } <$fd>;
1440                close $fd or return undef;
1441                foreach my $line (@entries) {
1442                        #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
1443                        $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
1444                        my $t_mode = $1;
1445                        my $t_type = $2;
1446                        my $t_hash = $3;
1447                        my $t_name = validate_input(unquote($4));
1448                        if ($t_name eq $part) {
1449                                if (!(@parts)) {
1450                                        return $t_hash;
1451                                }
1452                                if ($t_type eq "tree") {
1453                                        $tree = $t_hash;
1454                                }
1455                                last;
1456                        }
1457                }
1458        }
1459}
1460
1461sub git_blob {
1462        if (!defined $hash && defined $file_name) {
1463                my $base = $hash_base || git_read_head($project);
1464                $hash = git_get_hash_by_path($base, $file_name, "blob") || die_error(undef, "Error lookup file.");
1465        }
1466        my $have_blame = git_get_project_config_bool ('blame');
1467        open my $fd, "-|", "$gitbin/git-cat-file blob $hash" or die_error(undef, "Open failed.");
1468        git_header_html();
1469        if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
1470                print "<div class=\"page_nav\">\n" .
1471                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1472                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
1473                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
1474                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base")}, "commit") .
1475                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash_base")}, "commitdiff") .
1476                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash_base")}, "tree") . "<br/>\n";
1477                if (defined $file_name) {
1478                        if ($have_blame) {
1479                                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blame;h=$hash;hb=$hash_base;f=$file_name")}, "blame") .  " | ";
1480                        }
1481                        print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob_plain;h=$hash;f=$file_name")}, "plain") .
1482                        " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;hb=HEAD;f=$file_name")}, "head") . "<br/>\n";
1483                } else {
1484                        print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob_plain;h=$hash")}, "plain") . "<br/>\n";
1485                }
1486                print "</div>\n".
1487                       "<div>" .
1488                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base"), -class => "title"}, esc_html($co{'title'})) .
1489                      "</div>\n";
1490        } else {
1491                print "<div class=\"page_nav\">\n" .
1492                      "<br/><br/></div>\n" .
1493                      "<div class=\"title\">$hash</div>\n";
1494        }
1495        if (defined $file_name) {
1496                print "<div class=\"page_path\"><b>" . esc_html($file_name) . "</b></div>\n";
1497        }
1498        print "<div class=\"page_body\">\n";
1499        my $nr;
1500        while (my $line = <$fd>) {
1501                chomp $line;
1502                $nr++;
1503                while ((my $pos = index($line, "\t")) != -1) {
1504                        if (my $count = (8 - ($pos % 8))) {
1505                                my $spaces = ' ' x $count;
1506                                $line =~ s/\t/$spaces/;
1507                        }
1508                }
1509                printf "<div class=\"pre\"><a id=\"l%i\" href=\"#l%i\" class=\"linenr\">%4i</a> %s</div>\n", $nr, $nr, $nr, esc_html($line);
1510        }
1511        close $fd or print "Reading blob failed.\n";
1512        print "</div>";
1513        git_footer_html();
1514}
1515
1516sub mimetype_guess_file {
1517        my $filename = shift;
1518        my $mimemap = shift;
1519        -r $mimemap or return undef;
1520
1521        my %mimemap;
1522        open(MIME, $mimemap) or return undef;
1523        while (<MIME>) {
1524                my ($mime, $exts) = split(/\t+/);
1525                my @exts = split(/\s+/, $exts);
1526                foreach my $ext (@exts) {
1527                        $mimemap{$ext} = $mime;
1528                }
1529        }
1530        close(MIME);
1531
1532        $filename =~ /\.(.*?)$/;
1533        return $mimemap{$1};
1534}
1535
1536sub mimetype_guess {
1537        my $filename = shift;
1538        my $mime;
1539        $filename =~ /\./ or return undef;
1540
1541        if ($mimetypes_file) {
1542                my $file = $mimetypes_file;
1543                #$file =~ m#^/# or $file = "$projectroot/$path/$file";
1544                $mime = mimetype_guess_file($filename, $file);
1545        }
1546        $mime ||= mimetype_guess_file($filename, '/etc/mime.types');
1547        return $mime;
1548}
1549
1550sub git_blob_plain_mimetype {
1551        my $fd = shift;
1552        my $filename = shift;
1553
1554        # just in case
1555        return $default_blob_plain_mimetype unless $fd;
1556
1557        if ($filename) {
1558                my $mime = mimetype_guess($filename);
1559                $mime and return $mime;
1560        }
1561
1562        if (-T $fd) {
1563                return 'text/plain' .
1564                       ($default_text_plain_charset ? '; charset='.$default_text_plain_charset : '');
1565        } elsif (! $filename) {
1566                return 'application/octet-stream';
1567        } elsif ($filename =~ m/\.png$/i) {
1568                return 'image/png';
1569        } elsif ($filename =~ m/\.gif$/i) {
1570                return 'image/gif';
1571        } elsif ($filename =~ m/\.jpe?g$/i) {
1572                return 'image/jpeg';
1573        } else {
1574                return 'application/octet-stream';
1575        }
1576}
1577
1578sub git_blob_plain {
1579        open my $fd, "-|", "$gitbin/git-cat-file blob $hash" or return;
1580        my $type = git_blob_plain_mimetype($fd, $file_name);
1581
1582        # save as filename, even when no $file_name is given
1583        my $save_as = "$hash";
1584        if (defined $file_name) {
1585                $save_as = $file_name;
1586        } elsif ($type =~ m/^text\//) {
1587                $save_as .= '.txt';
1588        }
1589
1590        print $cgi->header(-type => "$type", '-content-disposition' => "inline; filename=\"$save_as\"");
1591        undef $/;
1592        binmode STDOUT, ':raw';
1593        print <$fd>;
1594        binmode STDOUT, ':utf8'; # as set at the beginning of gitweb.cgi
1595        $/ = "\n";
1596        close $fd;
1597}
1598
1599sub git_tree {
1600        if (!defined $hash) {
1601                $hash = git_read_head($project);
1602                if (defined $file_name) {
1603                        my $base = $hash_base || $hash;
1604                        $hash = git_get_hash_by_path($base, $file_name, "tree");
1605                }
1606                if (!defined $hash_base) {
1607                        $hash_base = $hash;
1608                }
1609        }
1610        $/ = "\0";
1611        open my $fd, "-|", "$gitbin/git-ls-tree -z $hash" or die_error(undef, "Open git-ls-tree failed.");
1612        chomp (my (@entries) = <$fd>);
1613        close $fd or die_error(undef, "Reading tree failed.");
1614        $/ = "\n";
1615
1616        my $refs = read_info_ref();
1617        my $ref = "";
1618        if (defined $refs->{$hash_base}) {
1619                $ref = " <span class=\"tag\">" . esc_html($refs->{$hash_base}) . "</span>";
1620        }
1621        git_header_html();
1622        my $base_key = "";
1623        my $base = "";
1624        if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
1625                $base_key = ";hb=$hash_base";
1626                print "<div class=\"page_nav\">\n" .
1627                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1628                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash_base")}, "shortlog") .
1629                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash_base")}, "log") .
1630                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base")}, "commit") .
1631                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash_base")}, "commitdiff") .
1632                      " | tree" .
1633                      "<br/><br/>\n" .
1634                      "</div>\n";
1635                print "<div>\n" .
1636                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base"), -class => "title"}, esc_html($co{'title'}) . $ref) . "\n" .
1637                      "</div>\n";
1638        } else {
1639                print "<div class=\"page_nav\">\n";
1640                print "<br/><br/></div>\n";
1641                print "<div class=\"title\">$hash</div>\n";
1642        }
1643        if (defined $file_name) {
1644                $base = esc_html("$file_name/");
1645                print "<div class=\"page_path\"><b>/" . esc_html($file_name) . "</b></div>\n";
1646        } else {
1647                print "<div class=\"page_path\"><b>/</b></div>\n";
1648        }
1649        print "<div class=\"page_body\">\n";
1650        print "<table cellspacing=\"0\">\n";
1651        my $alternate = 0;
1652        foreach my $line (@entries) {
1653                #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
1654                $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
1655                my $t_mode = $1;
1656                my $t_type = $2;
1657                my $t_hash = $3;
1658                my $t_name = validate_input($4);
1659                if ($alternate) {
1660                        print "<tr class=\"dark\">\n";
1661                } else {
1662                        print "<tr class=\"light\">\n";
1663                }
1664                $alternate ^= 1;
1665                print "<td class=\"mode\">" . mode_str($t_mode) . "</td>\n";
1666                if ($t_type eq "blob") {
1667                        print "<td class=\"list\">" .
1668                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$t_hash$base_key;f=$base$t_name"), -class => "list"}, esc_html($t_name)) .
1669                              "</td>\n" .
1670                              "<td class=\"link\">" .
1671                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$t_hash$base_key;f=$base$t_name")}, "blob") .
1672#                             " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blame;h=$t_hash$base_key;f=$base$t_name")}, "blame") .
1673                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=history;h=$hash_base;f=$base$t_name")}, "history") .
1674                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob_plain;h=$t_hash;f=$base$t_name")}, "raw") .
1675                              "</td>\n";
1676                } elsif ($t_type eq "tree") {
1677                        print "<td class=\"list\">" .
1678                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$t_hash$base_key;f=$base$t_name")}, esc_html($t_name)) .
1679                              "</td>\n" .
1680                              "<td class=\"link\">" .
1681                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$t_hash$base_key;f=$base$t_name")}, "tree") .
1682                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=history;h=$hash_base;f=$base$t_name")}, "history") .
1683                              "</td>\n";
1684                }
1685                print "</tr>\n";
1686        }
1687        print "</table>\n" .
1688              "</div>";
1689        git_footer_html();
1690}
1691
1692sub git_rss {
1693        # http://www.notestips.com/80256B3A007F2692/1/NAMO5P9UPQ
1694        open my $fd, "-|", "$gitbin/git-rev-list --max-count=150 " . git_read_head($project) or die_error(undef, "Open failed.");
1695        my (@revlist) = map { chomp; $_ } <$fd>;
1696        close $fd or die_error(undef, "Reading rev-list failed.");
1697        print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
1698        print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
1699              "<rss version=\"2.0\" xmlns:content=\"http://purl.org/rss/1.0/modules/content/\">\n";
1700        print "<channel>\n";
1701        print "<title>$project</title>\n".
1702              "<link>" . esc_html("$my_url?p=$project;a=summary") . "</link>\n".
1703              "<description>$project log</description>\n".
1704              "<language>en</language>\n";
1705
1706        for (my $i = 0; $i <= $#revlist; $i++) {
1707                my $commit = $revlist[$i];
1708                my %co = git_read_commit($commit);
1709                # we read 150, we always show 30 and the ones more recent than 48 hours
1710                if (($i >= 20) && ((time - $co{'committer_epoch'}) > 48*60*60)) {
1711                        last;
1712                }
1713                my %cd = date_str($co{'committer_epoch'});
1714                open $fd, "-|", "$gitbin/git-diff-tree -r $co{'parent'} $co{'id'}" or next;
1715                my @difftree = map { chomp; $_ } <$fd>;
1716                close $fd or next;
1717                print "<item>\n" .
1718                      "<title>" .
1719                      sprintf("%d %s %02d:%02d", $cd{'mday'}, $cd{'month'}, $cd{'hour'}, $cd{'minute'}) . " - " . esc_html($co{'title'}) .
1720                      "</title>\n" .
1721                      "<author>" . esc_html($co{'author'}) . "</author>\n" .
1722                      "<pubDate>$cd{'rfc2822'}</pubDate>\n" .
1723                      "<guid isPermaLink=\"true\">" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</guid>\n" .
1724                      "<link>" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</link>\n" .
1725                      "<description>" . esc_html($co{'title'}) . "</description>\n" .
1726                      "<content:encoded>" .
1727                      "<![CDATA[\n";
1728                my $comment = $co{'comment'};
1729                foreach my $line (@$comment) {
1730                        $line = decode("utf8", $line, Encode::FB_DEFAULT);
1731                        print "$line<br/>\n";
1732                }
1733                print "<br/>\n";
1734                foreach my $line (@difftree) {
1735                        if (!($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/)) {
1736                                next;
1737                        }
1738                        my $file = validate_input(unquote($7));
1739                        $file = decode("utf8", $file, Encode::FB_DEFAULT);
1740                        print "$file<br/>\n";
1741                }
1742                print "]]>\n" .
1743                      "</content:encoded>\n" .
1744                      "</item>\n";
1745        }
1746        print "</channel></rss>";
1747}
1748
1749sub git_opml {
1750        my @list = git_read_projects();
1751
1752        print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
1753        print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
1754              "<opml version=\"1.0\">\n".
1755              "<head>".
1756              "  <title>Git OPML Export</title>\n".
1757              "</head>\n".
1758              "<body>\n".
1759              "<outline text=\"git RSS feeds\">\n";
1760
1761        foreach my $pr (@list) {
1762                my %proj = %$pr;
1763                my $head = git_read_head($proj{'path'});
1764                if (!defined $head) {
1765                        next;
1766                }
1767                $ENV{'GIT_DIR'} = "$projectroot/$proj{'path'}";
1768                my %co = git_read_commit($head);
1769                if (!%co) {
1770                        next;
1771                }
1772
1773                my $path = esc_html(chop_str($proj{'path'}, 25, 5));
1774                my $rss  = "$my_url?p=$proj{'path'};a=rss";
1775                my $html = "$my_url?p=$proj{'path'};a=summary";
1776                print "<outline type=\"rss\" text=\"$path\" title=\"$path\" xmlUrl=\"$rss\" htmlUrl=\"$html\"/>\n";
1777        }
1778        print "</outline>\n".
1779              "</body>\n".
1780              "</opml>\n";
1781}
1782
1783sub git_log {
1784        my $head = git_read_head($project);
1785        if (!defined $hash) {
1786                $hash = $head;
1787        }
1788        if (!defined $page) {
1789                $page = 0;
1790        }
1791        my $refs = read_info_ref();
1792        git_header_html();
1793        print "<div class=\"page_nav\">\n";
1794        print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1795              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash")}, "shortlog") .
1796              " | log" .
1797              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash")}, "commit") .
1798              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash")}, "commitdiff") .
1799              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$hash;hb=$hash")}, "tree") . "<br/>\n";
1800
1801        my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
1802        open my $fd, "-|", "$gitbin/git-rev-list $limit $hash" or die_error(undef, "Open failed.");
1803        my (@revlist) = map { chomp; $_ } <$fd>;
1804        close $fd;
1805
1806        if ($hash ne $head || $page) {
1807                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "HEAD");
1808        } else {
1809                print "HEAD";
1810        }
1811        if ($page > 0) {
1812                print " &sdot; " .
1813                $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash;pg=" . ($page-1)), -accesskey => "p", -title => "Alt-p"}, "prev");
1814        } else {
1815                print " &sdot; prev";
1816        }
1817        if ($#revlist >= (100 * ($page+1)-1)) {
1818                print " &sdot; " .
1819                $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash;pg=" . ($page+1)), -accesskey => "n", -title => "Alt-n"}, "next");
1820        } else {
1821                print " &sdot; next";
1822        }
1823        print "<br/>\n" .
1824              "</div>\n";
1825        if (!@revlist) {
1826                print "<div>\n" .
1827                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary"), -class => "title"}, "&nbsp;") .
1828                      "</div>\n";
1829                my %co = git_read_commit($hash);
1830                print "<div class=\"page_body\"> Last change $co{'age_string'}.<br/><br/></div>\n";
1831        }
1832        for (my $i = ($page * 100); $i <= $#revlist; $i++) {
1833                my $commit = $revlist[$i];
1834                my $ref = "";
1835                if (defined $refs->{$commit}) {
1836                        $ref = " <span class=\"tag\">" . esc_html($refs->{$commit}) . "</span>";
1837                }
1838                my %co = git_read_commit($commit);
1839                next if !%co;
1840                my %ad = date_str($co{'author_epoch'});
1841                print "<div>\n" .
1842                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "title"},
1843                      "<span class=\"age\">$co{'age_string'}</span>" . esc_html($co{'title'}) . $ref) . "\n";
1844                print "</div>\n";
1845                print "<div class=\"title_text\">\n" .
1846                      "<div class=\"log_link\">\n" .
1847                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit")}, "commit") .
1848                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
1849                      "<br/>\n" .
1850                      "</div>\n" .
1851                      "<i>" . esc_html($co{'author_name'}) .  " [$ad{'rfc2822'}]</i><br/>\n" .
1852                      "</div>\n" .
1853                      "<div class=\"log_body\">\n";
1854                my $comment = $co{'comment'};
1855                my $empty = 0;
1856                foreach my $line (@$comment) {
1857                        if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1858                                next;
1859                        }
1860                        if ($line eq "") {
1861                                if ($empty) {
1862                                        next;
1863                                }
1864                                $empty = 1;
1865                        } else {
1866                                $empty = 0;
1867                        }
1868                        print format_log_line_html($line) . "<br/>\n";
1869                }
1870                if (!$empty) {
1871                        print "<br/>\n";
1872                }
1873                print "</div>\n";
1874        }
1875        git_footer_html();
1876}
1877
1878sub git_commit {
1879        my %co = git_read_commit($hash);
1880        if (!%co) {
1881                die_error(undef, "Unknown commit object.");
1882        }
1883        my %ad = date_str($co{'author_epoch'}, $co{'author_tz'});
1884        my %cd = date_str($co{'committer_epoch'}, $co{'committer_tz'});
1885
1886        my @difftree;
1887        my $root = "";
1888        my $parent = $co{'parent'};
1889        if (!defined $parent) {
1890                $root = " --root";
1891                $parent = "";
1892        }
1893        open my $fd, "-|", "$gitbin/git-diff-tree -r -M $root $parent $hash" or die_error(undef, "Open failed.");
1894        @difftree = map { chomp; $_ } <$fd>;
1895        close $fd or die_error(undef, "Reading diff-tree failed.");
1896
1897        # non-textual hash id's can be cached
1898        my $expires;
1899        if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
1900                $expires = "+1d";
1901        }
1902        my $refs = read_info_ref();
1903        my $ref = "";
1904        if (defined $refs->{$co{'id'}}) {
1905                $ref = " <span class=\"tag\">" . esc_html($refs->{$co{'id'}}) . "</span>";
1906        }
1907        git_header_html(undef, $expires);
1908        print "<div class=\"page_nav\">\n" .
1909              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
1910              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash")}, "shortlog") .
1911              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash")}, "log") .
1912              " | commit";
1913        if (defined $co{'parent'}) {
1914                print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash")}, "commitdiff");
1915        }
1916        print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") . "\n" .
1917              "<br/><br/></div>\n";
1918        if (defined $co{'parent'}) {
1919                print "<div>\n" .
1920                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash"), -class => "title"}, esc_html($co{'title'}) . $ref) . "\n" .
1921                      "</div>\n";
1922        } else {
1923                print "<div>\n" .
1924                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash"), -class => "title"}, esc_html($co{'title'})) . "\n" .
1925                      "</div>\n";
1926        }
1927        print "<div class=\"title_text\">\n" .
1928              "<table cellspacing=\"0\">\n";
1929        print "<tr><td>author</td><td>" . esc_html($co{'author'}) . "</td></tr>\n".
1930              "<tr>" .
1931              "<td></td><td> $ad{'rfc2822'}";
1932        if ($ad{'hour_local'} < 6) {
1933                printf(" (<span class=\"atnight\">%02d:%02d</span> %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1934        } else {
1935                printf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
1936        }
1937        print "</td>" .
1938              "</tr>\n";
1939        print "<tr><td>committer</td><td>" . esc_html($co{'committer'}) . "</td></tr>\n";
1940        print "<tr><td></td><td> $cd{'rfc2822'}" . sprintf(" (%02d:%02d %s)", $cd{'hour_local'}, $cd{'minute_local'}, $cd{'tz_local'}) . "</td></tr>\n";
1941        print "<tr><td>commit</td><td class=\"sha1\">$co{'id'}</td></tr>\n";
1942        print "<tr>" .
1943              "<td>tree</td>" .
1944              "<td class=\"sha1\">" .
1945              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash"), class => "list"}, $co{'tree'}) .
1946              "</td>" .
1947              "<td class=\"link\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") .
1948              "</td>" .
1949              "</tr>\n";
1950        my $parents = $co{'parents'};
1951        foreach my $par (@$parents) {
1952                print "<tr>" .
1953                      "<td>parent</td>" .
1954                      "<td class=\"sha1\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$par"), class => "list"}, $par) . "</td>" .
1955                      "<td class=\"link\">" .
1956                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$par")}, "commit") .
1957                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash;hp=$par")}, "commitdiff") .
1958                      "</td>" .
1959                      "</tr>\n";
1960        }
1961        print "</table>".
1962              "</div>\n";
1963        print "<div class=\"page_body\">\n";
1964        my $comment = $co{'comment'};
1965        my $empty = 0;
1966        my $signed = 0;
1967        foreach my $line (@$comment) {
1968                # print only one empty line
1969                if ($line eq "") {
1970                        if ($empty || $signed) {
1971                                next;
1972                        }
1973                        $empty = 1;
1974                } else {
1975                        $empty = 0;
1976                }
1977                if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1978                        $signed = 1;
1979                        print "<span class=\"signoff\">" . esc_html($line) . "</span><br/>\n";
1980                } else {
1981                        $signed = 0;
1982                        print format_log_line_html($line) . "<br/>\n";
1983                }
1984        }
1985        print "</div>\n";
1986        print "<div class=\"list_head\">\n";
1987        if ($#difftree > 10) {
1988                print(($#difftree + 1) . " files changed:\n");
1989        }
1990        print "</div>\n";
1991        print "<table class=\"diff_tree\">\n";
1992        my $alternate = 0;
1993        foreach my $line (@difftree) {
1994                # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M      ls-files.c'
1995                # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M      rev-tree.c'
1996                if (!($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/)) {
1997                        next;
1998                }
1999                my $from_mode = $1;
2000                my $to_mode = $2;
2001                my $from_id = $3;
2002                my $to_id = $4;
2003                my $status = $5;
2004                my $similarity = $6;
2005                my $file = validate_input(unquote($7));
2006                if ($alternate) {
2007                        print "<tr class=\"dark\">\n";
2008                } else {
2009                        print "<tr class=\"light\">\n";
2010                }
2011                $alternate ^= 1;
2012                if ($status eq "A") {
2013                        my $mode_chng = "";
2014                        if (S_ISREG(oct $to_mode)) {
2015                                $mode_chng = sprintf(" with mode: %04o", (oct $to_mode) & 0777);
2016                        }
2017                        print "<td>" .
2018                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file"), -class => "list"}, esc_html($file)) . "</td>\n" .
2019                              "<td><span class=\"file_status new\">[new " . file_type($to_mode) . "$mode_chng]</span></td>\n" .
2020                              "<td class=\"link\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, "blob") . "</td>\n";
2021                } elsif ($status eq "D") {
2022                        print "<td>" .
2023                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash;f=$file"), -class => "list"}, esc_html($file)) . "</td>\n" .
2024                              "<td><span class=\"file_status deleted\">[deleted " . file_type($from_mode). "]</span></td>\n" .
2025                              "<td class=\"link\">" .
2026                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash;f=$file")}, "blob") .
2027                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=history;h=$hash;f=$file")}, "history") .
2028                              "</td>\n"
2029                } elsif ($status eq "M" || $status eq "T") {
2030                        my $mode_chnge = "";
2031                        if ($from_mode != $to_mode) {
2032                                $mode_chnge = " <span class=\"file_status mode_chnge\">[changed";
2033                                if (((oct $from_mode) & S_IFMT) != ((oct $to_mode) & S_IFMT)) {
2034                                        $mode_chnge .= " from " . file_type($from_mode) . " to " . file_type($to_mode);
2035                                }
2036                                if (((oct $from_mode) & 0777) != ((oct $to_mode) & 0777)) {
2037                                        if (S_ISREG($from_mode) && S_ISREG($to_mode)) {
2038                                                $mode_chnge .= sprintf(" mode: %04o->%04o", (oct $from_mode) & 0777, (oct $to_mode) & 0777);
2039                                        } elsif (S_ISREG($to_mode)) {
2040                                                $mode_chnge .= sprintf(" mode: %04o", (oct $to_mode) & 0777);
2041                                        }
2042                                }
2043                                $mode_chnge .= "]</span>\n";
2044                        }
2045                        print "<td>";
2046                        if ($to_id ne $from_id) {
2047                                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$file"), -class => "list"}, esc_html($file));
2048                        } else {
2049                                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file"), -class => "list"}, esc_html($file));
2050                        }
2051                        print "</td>\n" .
2052                              "<td>$mode_chnge</td>\n" .
2053                              "<td class=\"link\">";
2054                        print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, "blob");
2055                        if ($to_id ne $from_id) {
2056                                print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$file")}, "diff");
2057                        }
2058                        print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=history;h=$hash;f=$file")}, "history") . "\n";
2059                        print "</td>\n";
2060                } elsif ($status eq "R") {
2061                        my ($from_file, $to_file) = split "\t", $file;
2062                        my $mode_chng = "";
2063                        if ($from_mode != $to_mode) {
2064                                $mode_chng = sprintf(", mode: %04o", (oct $to_mode) & 0777);
2065                        }
2066                        print "<td>" .
2067                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$to_file"), -class => "list"}, esc_html($to_file)) . "</td>\n" .
2068                              "<td><span class=\"file_status moved\">[moved from " .
2069                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash;f=$from_file"), -class => "list"}, esc_html($from_file)) .
2070                              " with " . (int $similarity) . "% similarity$mode_chng]</span></td>\n" .
2071                              "<td class=\"link\">" .
2072                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$to_file")}, "blob");
2073                        if ($to_id ne $from_id) {
2074                                print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$to_file")}, "diff");
2075                        }
2076                        print "</td>\n";
2077                }
2078                print "</tr>\n";
2079        }
2080        print "</table>\n";
2081        git_footer_html();
2082}
2083
2084sub git_blobdiff {
2085        mkdir($git_temp, 0700);
2086        git_header_html();
2087        if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
2088                print "<div class=\"page_nav\">\n" .
2089                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
2090                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
2091                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
2092                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base")}, "commit") .
2093                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash_base")}, "commitdiff") .
2094                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash_base")}, "tree") .
2095                      "<br/>\n";
2096                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff_plain;h=$hash;hp=$hash_parent")}, "plain") .
2097                      "</div>\n";
2098                print "<div>\n" .
2099                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base"), -class => "title"}, esc_html($co{'title'})) . "\n" .
2100                      "</div>\n";
2101        } else {
2102                print "<div class=\"page_nav\">\n" .
2103                      "<br/><br/></div>\n" .
2104                      "<div class=\"title\">$hash vs $hash_parent</div>\n";
2105        }
2106        if (defined $file_name) {
2107                print "<div class=\"page_path\"><b>/" . esc_html($file_name) . "</b></div>\n";
2108        }
2109        print "<div class=\"page_body\">\n" .
2110              "<div class=\"diff_info\">blob:" .
2111              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$hash_parent;hb=$hash_base;f=$file_name")}, $hash_parent) .
2112              " -> blob:" .
2113              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$hash;hb=$hash_base;f=$file_name")}, $hash) .
2114              "</div>\n";
2115        git_diff_print($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash);
2116        print "</div>";
2117        git_footer_html();
2118}
2119
2120sub git_blobdiff_plain {
2121        mkdir($git_temp, 0700);
2122        print $cgi->header(-type => "text/plain", -charset => 'utf-8');
2123        git_diff_print($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash, "plain");
2124}
2125
2126sub git_commitdiff {
2127        mkdir($git_temp, 0700);
2128        my %co = git_read_commit($hash);
2129        if (!%co) {
2130                die_error(undef, "Unknown commit object.");
2131        }
2132        if (!defined $hash_parent) {
2133                $hash_parent = $co{'parent'};
2134        }
2135        open my $fd, "-|", "$gitbin/git-diff-tree -r $hash_parent $hash" or die_error(undef, "Open failed.");
2136        my (@difftree) = map { chomp; $_ } <$fd>;
2137        close $fd or die_error(undef, "Reading diff-tree failed.");
2138
2139        # non-textual hash id's can be cached
2140        my $expires;
2141        if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
2142                $expires = "+1d";
2143        }
2144        my $refs = read_info_ref();
2145        my $ref = "";
2146        if (defined $refs->{$co{'id'}}) {
2147                $ref = " <span class=\"tag\">" . esc_html($refs->{$co{'id'}}) . "</span>";
2148        }
2149        git_header_html(undef, $expires);
2150        print "<div class=\"page_nav\">\n" .
2151              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
2152              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash")}, "shortlog") .
2153              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash")}, "log") .
2154              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash")}, "commit") .
2155              " | commitdiff" .
2156              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") . "<br/>\n";
2157        print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff_plain;h=$hash;hp=$hash_parent")}, "plain") . "\n" .
2158              "</div>\n";
2159        print "<div>\n" .
2160              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash"), -class => "title"}, esc_html($co{'title'}) . $ref) . "\n" .
2161              "</div>\n";
2162        print "<div class=\"page_body\">\n";
2163        my $comment = $co{'comment'};
2164        my $empty = 0;
2165        my $signed = 0;
2166        my @log = @$comment;
2167        # remove first and empty lines after that
2168        shift @log;
2169        while (defined $log[0] && $log[0] eq "") {
2170                shift @log;
2171        }
2172        foreach my $line (@log) {
2173                if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
2174                        next;
2175                }
2176                if ($line eq "") {
2177                        if ($empty) {
2178                                next;
2179                        }
2180                        $empty = 1;
2181                } else {
2182                        $empty = 0;
2183                }
2184                print format_log_line_html($line) . "<br/>\n";
2185        }
2186        print "<br/>\n";
2187        foreach my $line (@difftree) {
2188                # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M      ls-files.c'
2189                # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M      rev-tree.c'
2190                $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/;
2191                my $from_mode = $1;
2192                my $to_mode = $2;
2193                my $from_id = $3;
2194                my $to_id = $4;
2195                my $status = $5;
2196                my $file = validate_input(unquote($6));
2197                if ($status eq "A") {
2198                        print "<div class=\"diff_info\">" .  file_type($to_mode) . ":" .
2199                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, $to_id) . "(new)" .
2200                              "</div>\n";
2201                        git_diff_print(undef, "/dev/null", $to_id, "b/$file");
2202                } elsif ($status eq "D") {
2203                        print "<div class=\"diff_info\">" . file_type($from_mode) . ":" .
2204                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash;f=$file")}, $from_id) . "(deleted)" .
2205                              "</div>\n";
2206                        git_diff_print($from_id, "a/$file", undef, "/dev/null");
2207                } elsif ($status eq "M") {
2208                        if ($from_id ne $to_id) {
2209                                print "<div class=\"diff_info\">" .
2210                                      file_type($from_mode) . ":" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash;f=$file")}, $from_id) .
2211                                      " -> " .
2212                                      file_type($to_mode) . ":" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, $to_id);
2213                                print "</div>\n";
2214                                git_diff_print($from_id, "a/$file",  $to_id, "b/$file");
2215                        }
2216                }
2217        }
2218        print "<br/>\n" .
2219              "</div>";
2220        git_footer_html();
2221}
2222
2223sub git_commitdiff_plain {
2224        mkdir($git_temp, 0700);
2225        open my $fd, "-|", "$gitbin/git-diff-tree -r $hash_parent $hash" or die_error(undef, "Open failed.");
2226        my (@difftree) = map { chomp; $_ } <$fd>;
2227        close $fd or die_error(undef, "Reading diff-tree failed.");
2228
2229        # try to figure out the next tag after this commit
2230        my $tagname;
2231        my $refs = read_info_ref("tags");
2232        open $fd, "-|", "$gitbin/git-rev-list HEAD";
2233        chomp (my (@commits) = <$fd>);
2234        close $fd;
2235        foreach my $commit (@commits) {
2236                if (defined $refs->{$commit}) {
2237                        $tagname = $refs->{$commit}
2238                }
2239                if ($commit eq $hash) {
2240                        last;
2241                }
2242        }
2243
2244        print $cgi->header(-type => "text/plain", -charset => 'utf-8', '-content-disposition' => "inline; filename=\"git-$hash.patch\"");
2245        my %co = git_read_commit($hash);
2246        my %ad = date_str($co{'author_epoch'}, $co{'author_tz'});
2247        my $comment = $co{'comment'};
2248        print "From: $co{'author'}\n" .
2249              "Date: $ad{'rfc2822'} ($ad{'tz_local'})\n".
2250              "Subject: $co{'title'}\n";
2251        if (defined $tagname) {
2252              print "X-Git-Tag: $tagname\n";
2253        }
2254        print "X-Git-Url: $my_url?p=$project;a=commitdiff;h=$hash\n" .
2255              "\n";
2256
2257        foreach my $line (@$comment) {;
2258                print "$line\n";
2259        }
2260        print "---\n\n";
2261
2262        foreach my $line (@difftree) {
2263                $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/;
2264                my $from_id = $3;
2265                my $to_id = $4;
2266                my $status = $5;
2267                my $file = $6;
2268                if ($status eq "A") {
2269                        git_diff_print(undef, "/dev/null", $to_id, "b/$file", "plain");
2270                } elsif ($status eq "D") {
2271                        git_diff_print($from_id, "a/$file", undef, "/dev/null", "plain");
2272                } elsif ($status eq "M") {
2273                        git_diff_print($from_id, "a/$file",  $to_id, "b/$file", "plain");
2274                }
2275        }
2276}
2277
2278sub git_history {
2279        if (!defined $hash) {
2280                $hash = git_read_head($project);
2281        }
2282        my %co = git_read_commit($hash);
2283        if (!%co) {
2284                die_error(undef, "Unknown commit object.");
2285        }
2286        my $refs = read_info_ref();
2287        git_header_html();
2288        print "<div class=\"page_nav\">\n" .
2289              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
2290              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
2291              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
2292              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash")}, "commit") .
2293              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash")}, "commitdiff") .
2294              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") .
2295              "<br/><br/>\n" .
2296              "</div>\n";
2297        print "<div>\n" .
2298              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash"), -class => "title"}, esc_html($co{'title'})) . "\n" .
2299              "</div>\n";
2300        print "<div class=\"page_path\"><b>/" . esc_html($file_name) . "</b><br/></div>\n";
2301
2302        open my $fd, "-|",
2303                "$gitbin/git-rev-list --full-history $hash -- \'$file_name\'";
2304        print "<table cellspacing=\"0\">\n";
2305        my $alternate = 0;
2306        while (my $line = <$fd>) {
2307                if ($line =~ m/^([0-9a-fA-F]{40})/){
2308                        my $commit = $1;
2309                        my %co = git_read_commit($commit);
2310                        if (!%co) {
2311                                next;
2312                        }
2313                        my $ref = "";
2314                        if (defined $refs->{$commit}) {
2315                                $ref = " <span class=\"tag\">" . esc_html($refs->{$commit}) . "</span>";
2316                        }
2317                        if ($alternate) {
2318                                print "<tr class=\"dark\">\n";
2319                        } else {
2320                                print "<tr class=\"light\">\n";
2321                        }
2322                        $alternate ^= 1;
2323                        print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2324                              "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 3)) . "</i></td>\n" .
2325                              "<td>" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "list"}, "<b>" .
2326                              esc_html(chop_str($co{'title'}, 50)) . "$ref</b>") . "</td>\n" .
2327                              "<td class=\"link\">" .
2328                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit")}, "commit") .
2329                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
2330                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;hb=$commit;f=$file_name")}, "blob");
2331                        my $blob = git_get_hash_by_path($hash, $file_name);
2332                        my $blob_parent = git_get_hash_by_path($commit, $file_name);
2333                        if (defined $blob && defined $blob_parent && $blob ne $blob_parent) {
2334                                print " | " .
2335                                $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff;h=$blob;hp=$blob_parent;hb=$commit;f=$file_name")},
2336                                "diff to current");
2337                        }
2338                        print "</td>\n" .
2339                              "</tr>\n";
2340                }
2341        }
2342        print "</table>\n";
2343        close $fd;
2344        git_footer_html();
2345}
2346
2347sub git_search {
2348        if (!defined $searchtext) {
2349                die_error("", "Text field empty.");
2350        }
2351        if (!defined $hash) {
2352                $hash = git_read_head($project);
2353        }
2354        my %co = git_read_commit($hash);
2355        if (!%co) {
2356                die_error(undef, "Unknown commit object.");
2357        }
2358        # pickaxe may take all resources of your box and run for several minutes
2359        # with every query - so decide by yourself how public you make this feature :)
2360        my $commit_search = 1;
2361        my $author_search = 0;
2362        my $committer_search = 0;
2363        my $pickaxe_search = 0;
2364        if ($searchtext =~ s/^author\\://i) {
2365                $author_search = 1;
2366        } elsif ($searchtext =~ s/^committer\\://i) {
2367                $committer_search = 1;
2368        } elsif ($searchtext =~ s/^pickaxe\\://i) {
2369                $commit_search = 0;
2370                $pickaxe_search = 1;
2371        }
2372        git_header_html();
2373        print "<div class=\"page_nav\">\n" .
2374              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary;h=$hash")}, "summary") .
2375              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
2376              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash")}, "log") .
2377              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash")}, "commit") .
2378              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash")}, "commitdiff") .
2379              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") .
2380              "<br/><br/>\n" .
2381              "</div>\n";
2382
2383        print "<div>\n" .
2384              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash"), -class => "title"}, esc_html($co{'title'})) . "\n" .
2385              "</div>\n";
2386        print "<table cellspacing=\"0\">\n";
2387        my $alternate = 0;
2388        if ($commit_search) {
2389                $/ = "\0";
2390                open my $fd, "-|", "$gitbin/git-rev-list --header --parents $hash" or next;
2391                while (my $commit_text = <$fd>) {
2392                        if (!grep m/$searchtext/i, $commit_text) {
2393                                next;
2394                        }
2395                        if ($author_search && !grep m/\nauthor .*$searchtext/i, $commit_text) {
2396                                next;
2397                        }
2398                        if ($committer_search && !grep m/\ncommitter .*$searchtext/i, $commit_text) {
2399                                next;
2400                        }
2401                        my @commit_lines = split "\n", $commit_text;
2402                        my %co = git_read_commit(undef, \@commit_lines);
2403                        if (!%co) {
2404                                next;
2405                        }
2406                        if ($alternate) {
2407                                print "<tr class=\"dark\">\n";
2408                        } else {
2409                                print "<tr class=\"light\">\n";
2410                        }
2411                        $alternate ^= 1;
2412                        print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2413                              "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
2414                              "<td>" .
2415                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}"), -class => "list"}, "<b>" . esc_html(chop_str($co{'title'}, 50)) . "</b><br/>");
2416                        my $comment = $co{'comment'};
2417                        foreach my $line (@$comment) {
2418                                if ($line =~ m/^(.*)($searchtext)(.*)$/i) {
2419                                        my $lead = esc_html($1) || "";
2420                                        $lead = chop_str($lead, 30, 10);
2421                                        my $match = esc_html($2) || "";
2422                                        my $trail = esc_html($3) || "";
2423                                        $trail = chop_str($trail, 30, 10);
2424                                        my $text = "$lead<span class=\"match\">$match</span>$trail";
2425                                        print chop_str($text, 80, 5) . "<br/>\n";
2426                                }
2427                        }
2428                        print "</td>\n" .
2429                              "<td class=\"link\">" .
2430                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}")}, "commit") .
2431                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$co{'id'}")}, "tree");
2432                        print "</td>\n" .
2433                              "</tr>\n";
2434                }
2435                close $fd;
2436        }
2437
2438        if ($pickaxe_search) {
2439                $/ = "\n";
2440                open my $fd, "-|", "$gitbin/git-rev-list $hash | $gitbin/git-diff-tree -r --stdin -S\'$searchtext\'";
2441                undef %co;
2442                my @files;
2443                while (my $line = <$fd>) {
2444                        if (%co && $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/) {
2445                                my %set;
2446                                $set{'file'} = $6;
2447                                $set{'from_id'} = $3;
2448                                $set{'to_id'} = $4;
2449                                $set{'id'} = $set{'to_id'};
2450                                if ($set{'id'} =~ m/0{40}/) {
2451                                        $set{'id'} = $set{'from_id'};
2452                                }
2453                                if ($set{'id'} =~ m/0{40}/) {
2454                                        next;
2455                                }
2456                                push @files, \%set;
2457                        } elsif ($line =~ m/^([0-9a-fA-F]{40})$/){
2458                                if (%co) {
2459                                        if ($alternate) {
2460                                                print "<tr class=\"dark\">\n";
2461                                        } else {
2462                                                print "<tr class=\"light\">\n";
2463                                        }
2464                                        $alternate ^= 1;
2465                                        print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2466                                              "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
2467                                              "<td>" .
2468                                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}"), -class => "list"}, "<b>" .
2469                                              esc_html(chop_str($co{'title'}, 50)) . "</b><br/>");
2470                                        while (my $setref = shift @files) {
2471                                                my %set = %$setref;
2472                                                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$set{'id'};hb=$co{'id'};f=$set{'file'}"), class => "list"},
2473                                                      "<span class=\"match\">" . esc_html($set{'file'}) . "</span>") .
2474                                                      "<br/>\n";
2475                                        }
2476                                        print "</td>\n" .
2477                                              "<td class=\"link\">" .
2478                                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}")}, "commit") .
2479                                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$co{'id'}")}, "tree");
2480                                        print "</td>\n" .
2481                                              "</tr>\n";
2482                                }
2483                                %co = git_read_commit($1);
2484                        }
2485                }
2486                close $fd;
2487        }
2488        print "</table>\n";
2489        git_footer_html();
2490}
2491
2492sub git_shortlog {
2493        my $head = git_read_head($project);
2494        if (!defined $hash) {
2495                $hash = $head;
2496        }
2497        if (!defined $page) {
2498                $page = 0;
2499        }
2500        my $refs = read_info_ref();
2501        git_header_html();
2502        print "<div class=\"page_nav\">\n" .
2503              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
2504              " | shortlog" .
2505              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$hash")}, "log") .
2506              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash")}, "commit") .
2507              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash")}, "commitdiff") .
2508              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$hash;hb=$hash")}, "tree") . "<br/>\n";
2509
2510        my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
2511        open my $fd, "-|", "$gitbin/git-rev-list $limit $hash" or die_error(undef, "Open failed.");
2512        my (@revlist) = map { chomp; $_ } <$fd>;
2513        close $fd;
2514
2515        if ($hash ne $head || $page) {
2516                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "HEAD");
2517        } else {
2518                print "HEAD";
2519        }
2520        if ($page > 0) {
2521                print " &sdot; " .
2522                $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash;pg=" . ($page-1)), -accesskey => "p", -title => "Alt-p"}, "prev");
2523        } else {
2524                print " &sdot; prev";
2525        }
2526        if ($#revlist >= (100 * ($page+1)-1)) {
2527                print " &sdot; " .
2528                $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash;pg=" . ($page+1)), -accesskey => "n", -title => "Alt-n"}, "next");
2529        } else {
2530                print " &sdot; next";
2531        }
2532        print "<br/>\n" .
2533              "</div>\n";
2534        print "<div>\n" .
2535              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary"), -class => "title"}, "&nbsp;") .
2536              "</div>\n";
2537        print "<table cellspacing=\"0\">\n";
2538        my $alternate = 0;
2539        for (my $i = ($page * 100); $i <= $#revlist; $i++) {
2540                my $commit = $revlist[$i];
2541                my $ref = "";
2542                if (defined $refs->{$commit}) {
2543                        $ref = " <span class=\"tag\">" . esc_html($refs->{$commit}) . "</span>";
2544                }
2545                my %co = git_read_commit($commit);
2546                my %ad = date_str($co{'author_epoch'});
2547                if ($alternate) {
2548                        print "<tr class=\"dark\">\n";
2549                } else {
2550                        print "<tr class=\"light\">\n";
2551                }
2552                $alternate ^= 1;
2553                print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2554                      "<td><i>" . esc_html(chop_str($co{'author_name'}, 10)) . "</i></td>\n" .
2555                      "<td>";
2556                if (length($co{'title_short'}) < length($co{'title'})) {
2557                        print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "list", -title => "$co{'title'}"},
2558                              "<b>" . esc_html($co{'title_short'}) . "$ref</b>");
2559                } else {
2560                        print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "list"},
2561                              "<b>" . esc_html($co{'title_short'}) . "$ref</b>");
2562                }
2563                print "</td>\n" .
2564                      "<td class=\"link\">" .
2565                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit")}, "commit") .
2566                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
2567                      "</td>\n" .
2568                      "</tr>";
2569        }
2570        if ($#revlist >= (100 * ($page+1)-1)) {
2571                print "<tr>\n" .
2572                      "<td>" .
2573                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash;pg=" . ($page+1)), -title => "Alt-n"}, "next") .
2574                      "</td>\n" .
2575                      "</tr>\n";
2576        }
2577        print "</table\n>";
2578        git_footer_html();
2579}