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# core git executable to use
  26# this can just be "git" if your webserver has a sensible PATH
  27our $GIT = "/usr/bin/git";
  28
  29# absolute fs-path which will be prepended to the project path
  30#our $projectroot = "/pub/scm";
  31our $projectroot = "/home/kay/public_html/pub/scm";
  32
  33# version of the core git binary
  34our $git_version = qx($GIT --version) =~ m/git version (.*)$/ ? $1 : "unknown";
  35
  36# location for temporary files needed for diffs
  37our $git_temp = "/tmp/gitweb";
  38if (! -d $git_temp) {
  39        mkdir($git_temp, 0700) || die_error("Couldn't mkdir $git_temp");
  40}
  41
  42# target of the home link on top of all pages
  43our $home_link = $my_uri;
  44
  45# name of your site or organization to appear in page titles
  46# replace this with something more descriptive for clearer bookmarks
  47our $site_name = $ENV{'SERVER_NAME'} || "Untitled";
  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_blame2();
 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        $str =~ s/\014/^L/g; # escape FORM FEED (FF) character (e.g. in COPYING file)
 254        return $str;
 255}
 256
 257# git may return quoted and escaped filenames
 258sub unquote {
 259        my $str = shift;
 260        if ($str =~ m/^"(.*)"$/) {
 261                $str = $1;
 262                $str =~ s/\\([0-7]{1,3})/chr(oct($1))/eg;
 263        }
 264        return $str;
 265}
 266
 267# CSS class for given age value (in seconds)
 268sub age_class {
 269        my $age = shift;
 270
 271        if ($age < 60*60*2) {
 272                return "age0";
 273        } elsif ($age < 60*60*24*2) {
 274                return "age1";
 275        } else {
 276                return "age2";
 277        }
 278}
 279
 280sub git_header_html {
 281        my $status = shift || "200 OK";
 282        my $expires = shift;
 283
 284        my $title = "$site_name git";
 285        if (defined $project) {
 286                $title .= " - $project";
 287                if (defined $action) {
 288                        $title .= "/$action";
 289                        if (defined $file_name) {
 290                                $title .= " - $file_name";
 291                                if ($action eq "tree" && $file_name !~ m|/$|) {
 292                                        $title .= "/";
 293                                }
 294                        }
 295                }
 296        }
 297        my $content_type;
 298        # require explicit support from the UA if we are to send the page as
 299        # 'application/xhtml+xml', otherwise send it as plain old 'text/html'.
 300        # we have to do this because MSIE sometimes globs '*/*', pretending to
 301        # support xhtml+xml but choking when it gets what it asked for.
 302        if ($cgi->http('HTTP_ACCEPT') =~ m/(,|;|\s|^)application\/xhtml\+xml(,|;|\s|$)/ && $cgi->Accept('application/xhtml+xml') != 0) {
 303                $content_type = 'application/xhtml+xml';
 304        } else {
 305                $content_type = 'text/html';
 306        }
 307        print $cgi->header(-type=>$content_type, -charset => 'utf-8', -status=> $status, -expires => $expires);
 308        print <<EOF;
 309<?xml version="1.0" encoding="utf-8"?>
 310<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
 311<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US" lang="en-US">
 312<!-- git web interface v$version, (C) 2005-2006, Kay Sievers <kay.sievers\@vrfy.org>, Christian Gierke -->
 313<!-- git core binaries version $git_version -->
 314<head>
 315<meta http-equiv="content-type" content="$content_type; charset=utf-8"/>
 316<meta name="robots" content="index, nofollow"/>
 317<title>$title</title>
 318<link rel="stylesheet" type="text/css" href="$stylesheet"/>
 319$rss_link
 320</head>
 321<body>
 322EOF
 323        print "<div class=\"page_header\">\n" .
 324              "<a href=\"http://www.kernel.org/pub/software/scm/git/docs/\" title=\"git documentation\">" .
 325              "<img src=\"$my_uri?" . esc_param("a=git-logo.png") . "\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/>" .
 326              "</a>\n";
 327        print $cgi->a({-href => esc_param($home_link)}, "projects") . " / ";
 328        if (defined $project) {
 329                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, esc_html($project));
 330                if (defined $action) {
 331                        print " / $action";
 332                }
 333                print "\n";
 334                if (!defined $searchtext) {
 335                        $searchtext = "";
 336                }
 337                my $search_hash;
 338                if (defined $hash_base) {
 339                        $search_hash = $hash_base;
 340                } elsif (defined $hash) {
 341                        $search_hash = $hash;
 342                } else {
 343                        $search_hash = "HEAD";
 344                }
 345                $cgi->param("a", "search");
 346                $cgi->param("h", $search_hash);
 347                print $cgi->startform(-method => "get", -action => $my_uri) .
 348                      "<div class=\"search\">\n" .
 349                      $cgi->hidden(-name => "p") . "\n" .
 350                      $cgi->hidden(-name => "a") . "\n" .
 351                      $cgi->hidden(-name => "h") . "\n" .
 352                      $cgi->textfield(-name => "s", -value => $searchtext) . "\n" .
 353                      "</div>" .
 354                      $cgi->end_form() . "\n";
 355        }
 356        print "</div>\n";
 357}
 358
 359sub git_footer_html {
 360        print "<div class=\"page_footer\">\n";
 361        if (defined $project) {
 362                my $descr = git_read_description($project);
 363                if (defined $descr) {
 364                        print "<div class=\"page_footer_text\">" . esc_html($descr) . "</div>\n";
 365                }
 366                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=rss"), -class => "rss_logo"}, "RSS") . "\n";
 367        } else {
 368                print $cgi->a({-href => "$my_uri?" . esc_param("a=opml"), -class => "rss_logo"}, "OPML") . "\n";
 369        }
 370        print "</div>\n" .
 371              "</body>\n" .
 372              "</html>";
 373}
 374
 375sub die_error {
 376        my $status = shift || "403 Forbidden";
 377        my $error = shift || "Malformed query, file missing or permission denied";
 378
 379        git_header_html($status);
 380        print "<div class=\"page_body\">\n" .
 381              "<br/><br/>\n" .
 382              "$status - $error\n" .
 383              "<br/>\n" .
 384              "</div>\n";
 385        git_footer_html();
 386        exit;
 387}
 388
 389sub git_page_nav {
 390        my ($current, $suppress, $head, $treehead, $treebase, $extra) = @_;
 391        $extra = '' if !defined $extra; # pager or formats
 392
 393        my @navs = qw(summary shortlog log commit commitdiff tree);
 394        if ($suppress) {
 395                @navs = grep { $_ ne $suppress } @navs;
 396        }
 397
 398        my %arg = map { $_, ''} @navs;
 399        if (defined $head) {
 400                for (qw(commit commitdiff)) {
 401                        $arg{$_} = ";h=$head";
 402                }
 403                if ($current =~ m/^(tree | log | shortlog | commit | commitdiff | search)$/x) {
 404                        for (qw(shortlog log)) {
 405                                $arg{$_} = ";h=$head";
 406                        }
 407                }
 408        }
 409        $arg{tree} .= ";h=$treehead" if defined $treehead;
 410        $arg{tree} .= ";hb=$treebase" if defined $treebase;
 411
 412        print "<div class=\"page_nav\">\n" .
 413                (join " | ",
 414                 map { $_ eq $current
 415                                         ? $_
 416                                         : $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$_$arg{$_}")}, "$_")
 417                                 }
 418                 @navs);
 419        print "<br/>\n$extra<br/>\n" .
 420              "</div>\n";
 421}
 422
 423sub git_get_paging_nav {
 424        my ($action, $hash, $head, $page, $nrevs) = @_;
 425        my $paging_nav;
 426
 427
 428        if ($hash ne $head || $page) {
 429                $paging_nav .= $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$action")}, "HEAD");
 430        } else {
 431                $paging_nav .= "HEAD";
 432        }
 433
 434        if ($page > 0) {
 435                $paging_nav .= " &sdot; " .
 436                        $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$action;h=$hash;pg=" . ($page-1)),
 437                                                         -accesskey => "p", -title => "Alt-p"}, "prev");
 438        } else {
 439                $paging_nav .= " &sdot; prev";
 440        }
 441
 442        if ($nrevs >= (100 * ($page+1)-1)) {
 443                $paging_nav .= " &sdot; " .
 444                        $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$action;h=$hash;pg=" . ($page+1)),
 445                                                         -accesskey => "n", -title => "Alt-n"}, "next");
 446        } else {
 447                $paging_nav .= " &sdot; next";
 448        }
 449
 450        return $paging_nav;
 451}
 452
 453sub git_get_type {
 454        my $hash = shift;
 455
 456        open my $fd, "-|", $GIT, "cat-file", '-t', $hash or return;
 457        my $type = <$fd>;
 458        close $fd or return;
 459        chomp $type;
 460        return $type;
 461}
 462
 463sub git_read_head {
 464        my $project = shift;
 465        my $oENV = $ENV{'GIT_DIR'};
 466        my $retval = undef;
 467        $ENV{'GIT_DIR'} = "$projectroot/$project";
 468        if (open my $fd, "-|", $GIT, "rev-parse", "--verify", "HEAD") {
 469                my $head = <$fd>;
 470                close $fd;
 471                if (defined $head && $head =~ /^([0-9a-fA-F]{40})$/) {
 472                        $retval = $1;
 473                }
 474        }
 475        if (defined $oENV) {
 476                $ENV{'GIT_DIR'} = $oENV;
 477        }
 478        return $retval;
 479}
 480
 481sub git_read_hash {
 482        my $path = shift;
 483
 484        open my $fd, "$projectroot/$path" or return undef;
 485        my $head = <$fd>;
 486        close $fd;
 487        chomp $head;
 488        if ($head =~ m/^[0-9a-fA-F]{40}$/) {
 489                return $head;
 490        }
 491}
 492
 493sub git_read_description {
 494        my $path = shift;
 495
 496        open my $fd, "$projectroot/$path/description" or return undef;
 497        my $descr = <$fd>;
 498        close $fd;
 499        chomp $descr;
 500        return $descr;
 501}
 502
 503sub git_read_tag {
 504        my $tag_id = shift;
 505        my %tag;
 506        my @comment;
 507
 508        open my $fd, "-|", $GIT, "cat-file", "tag", $tag_id or return;
 509        $tag{'id'} = $tag_id;
 510        while (my $line = <$fd>) {
 511                chomp $line;
 512                if ($line =~ m/^object ([0-9a-fA-F]{40})$/) {
 513                        $tag{'object'} = $1;
 514                } elsif ($line =~ m/^type (.+)$/) {
 515                        $tag{'type'} = $1;
 516                } elsif ($line =~ m/^tag (.+)$/) {
 517                        $tag{'name'} = $1;
 518                } elsif ($line =~ m/^tagger (.*) ([0-9]+) (.*)$/) {
 519                        $tag{'author'} = $1;
 520                        $tag{'epoch'} = $2;
 521                        $tag{'tz'} = $3;
 522                } elsif ($line =~ m/--BEGIN/) {
 523                        push @comment, $line;
 524                        last;
 525                } elsif ($line eq "") {
 526                        last;
 527                }
 528        }
 529        push @comment, <$fd>;
 530        $tag{'comment'} = \@comment;
 531        close $fd or return;
 532        if (!defined $tag{'name'}) {
 533                return
 534        };
 535        return %tag
 536}
 537
 538sub age_string {
 539        my $age = shift;
 540        my $age_str;
 541
 542        if ($age > 60*60*24*365*2) {
 543                $age_str = (int $age/60/60/24/365);
 544                $age_str .= " years ago";
 545        } elsif ($age > 60*60*24*(365/12)*2) {
 546                $age_str = int $age/60/60/24/(365/12);
 547                $age_str .= " months ago";
 548        } elsif ($age > 60*60*24*7*2) {
 549                $age_str = int $age/60/60/24/7;
 550                $age_str .= " weeks ago";
 551        } elsif ($age > 60*60*24*2) {
 552                $age_str = int $age/60/60/24;
 553                $age_str .= " days ago";
 554        } elsif ($age > 60*60*2) {
 555                $age_str = int $age/60/60;
 556                $age_str .= " hours ago";
 557        } elsif ($age > 60*2) {
 558                $age_str = int $age/60;
 559                $age_str .= " min ago";
 560        } elsif ($age > 2) {
 561                $age_str = int $age;
 562                $age_str .= " sec ago";
 563        } else {
 564                $age_str .= " right now";
 565        }
 566        return $age_str;
 567}
 568
 569sub git_read_commit {
 570        my $commit_id = shift;
 571        my $commit_text = shift;
 572
 573        my @commit_lines;
 574        my %co;
 575
 576        if (defined $commit_text) {
 577                @commit_lines = @$commit_text;
 578        } else {
 579                $/ = "\0";
 580                open my $fd, "-|", $GIT, "rev-list", "--header", "--parents", "--max-count=1", $commit_id or return;
 581                @commit_lines = split '\n', <$fd>;
 582                close $fd or return;
 583                $/ = "\n";
 584                pop @commit_lines;
 585        }
 586        my $header = shift @commit_lines;
 587        if (!($header =~ m/^[0-9a-fA-F]{40}/)) {
 588                return;
 589        }
 590        ($co{'id'}, my @parents) = split ' ', $header;
 591        $co{'parents'} = \@parents;
 592        $co{'parent'} = $parents[0];
 593        while (my $line = shift @commit_lines) {
 594                last if $line eq "\n";
 595                if ($line =~ m/^tree ([0-9a-fA-F]{40})$/) {
 596                        $co{'tree'} = $1;
 597                } elsif ($line =~ m/^author (.*) ([0-9]+) (.*)$/) {
 598                        $co{'author'} = $1;
 599                        $co{'author_epoch'} = $2;
 600                        $co{'author_tz'} = $3;
 601                        if ($co{'author'} =~ m/^([^<]+) </) {
 602                                $co{'author_name'} = $1;
 603                        } else {
 604                                $co{'author_name'} = $co{'author'};
 605                        }
 606                } elsif ($line =~ m/^committer (.*) ([0-9]+) (.*)$/) {
 607                        $co{'committer'} = $1;
 608                        $co{'committer_epoch'} = $2;
 609                        $co{'committer_tz'} = $3;
 610                        $co{'committer_name'} = $co{'committer'};
 611                        $co{'committer_name'} =~ s/ <.*//;
 612                }
 613        }
 614        if (!defined $co{'tree'}) {
 615                return;
 616        };
 617
 618        foreach my $title (@commit_lines) {
 619                $title =~ s/^    //;
 620                if ($title ne "") {
 621                        $co{'title'} = chop_str($title, 80, 5);
 622                        # remove leading stuff of merges to make the interesting part visible
 623                        if (length($title) > 50) {
 624                                $title =~ s/^Automatic //;
 625                                $title =~ s/^merge (of|with) /Merge ... /i;
 626                                if (length($title) > 50) {
 627                                        $title =~ s/(http|rsync):\/\///;
 628                                }
 629                                if (length($title) > 50) {
 630                                        $title =~ s/(master|www|rsync)\.//;
 631                                }
 632                                if (length($title) > 50) {
 633                                        $title =~ s/kernel.org:?//;
 634                                }
 635                                if (length($title) > 50) {
 636                                        $title =~ s/\/pub\/scm//;
 637                                }
 638                        }
 639                        $co{'title_short'} = chop_str($title, 50, 5);
 640                        last;
 641                }
 642        }
 643        # remove added spaces
 644        foreach my $line (@commit_lines) {
 645                $line =~ s/^    //;
 646        }
 647        $co{'comment'} = \@commit_lines;
 648
 649        my $age = time - $co{'committer_epoch'};
 650        $co{'age'} = $age;
 651        $co{'age_string'} = age_string($age);
 652        my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($co{'committer_epoch'});
 653        if ($age > 60*60*24*7*2) {
 654                $co{'age_string_date'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
 655                $co{'age_string_age'} = $co{'age_string'};
 656        } else {
 657                $co{'age_string_date'} = $co{'age_string'};
 658                $co{'age_string_age'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
 659        }
 660        return %co;
 661}
 662
 663sub git_diff_print {
 664        my $from = shift;
 665        my $from_name = shift;
 666        my $to = shift;
 667        my $to_name = shift;
 668        my $format = shift || "html";
 669
 670        my $from_tmp = "/dev/null";
 671        my $to_tmp = "/dev/null";
 672        my $pid = $$;
 673
 674        # create tmp from-file
 675        if (defined $from) {
 676                $from_tmp = "$git_temp/gitweb_" . $$ . "_from";
 677                open my $fd2, "> $from_tmp";
 678                open my $fd, "-|", $GIT, "cat-file", "blob", $from;
 679                my @file = <$fd>;
 680                print $fd2 @file;
 681                close $fd2;
 682                close $fd;
 683        }
 684
 685        # create tmp to-file
 686        if (defined $to) {
 687                $to_tmp = "$git_temp/gitweb_" . $$ . "_to";
 688                open my $fd2, "> $to_tmp";
 689                open my $fd, "-|", $GIT, "cat-file", "blob", $to;
 690                my @file = <$fd>;
 691                print $fd2 @file;
 692                close $fd2;
 693                close $fd;
 694        }
 695
 696        open my $fd, "-|", "/usr/bin/diff -u -p -L \'$from_name\' -L \'$to_name\' $from_tmp $to_tmp";
 697        if ($format eq "plain") {
 698                undef $/;
 699                print <$fd>;
 700                $/ = "\n";
 701        } else {
 702                while (my $line = <$fd>) {
 703                        chomp $line;
 704                        my $char = substr($line, 0, 1);
 705                        my $diff_class = "";
 706                        if ($char eq '+') {
 707                                $diff_class = " add";
 708                        } elsif ($char eq "-") {
 709                                $diff_class = " rem";
 710                        } elsif ($char eq "@") {
 711                                $diff_class = " chunk_header";
 712                        } elsif ($char eq "\\") {
 713                                # skip errors
 714                                next;
 715                        }
 716                        while ((my $pos = index($line, "\t")) != -1) {
 717                                if (my $count = (8 - (($pos-1) % 8))) {
 718                                        my $spaces = ' ' x $count;
 719                                        $line =~ s/\t/$spaces/;
 720                                }
 721                        }
 722                        print "<div class=\"diff$diff_class\">" . esc_html($line) . "</div>\n";
 723                }
 724        }
 725        close $fd;
 726
 727        if (defined $from) {
 728                unlink($from_tmp);
 729        }
 730        if (defined $to) {
 731                unlink($to_tmp);
 732        }
 733}
 734
 735sub mode_str {
 736        my $mode = oct shift;
 737
 738        if (S_ISDIR($mode & S_IFMT)) {
 739                return 'drwxr-xr-x';
 740        } elsif (S_ISLNK($mode)) {
 741                return 'lrwxrwxrwx';
 742        } elsif (S_ISREG($mode)) {
 743                # git cares only about the executable bit
 744                if ($mode & S_IXUSR) {
 745                        return '-rwxr-xr-x';
 746                } else {
 747                        return '-rw-r--r--';
 748                };
 749        } else {
 750                return '----------';
 751        }
 752}
 753
 754sub chop_str {
 755        my $str = shift;
 756        my $len = shift;
 757        my $add_len = shift || 10;
 758
 759        # allow only $len chars, but don't cut a word if it would fit in $add_len
 760        # if it doesn't fit, cut it if it's still longer than the dots we would add
 761        $str =~ m/^(.{0,$len}[^ \/\-_:\.@]{0,$add_len})(.*)/;
 762        my $body = $1;
 763        my $tail = $2;
 764        if (length($tail) > 4) {
 765                $tail = " ...";
 766        }
 767        return "$body$tail";
 768}
 769
 770sub file_type {
 771        my $mode = oct shift;
 772
 773        if (S_ISDIR($mode & S_IFMT)) {
 774                return "directory";
 775        } elsif (S_ISLNK($mode)) {
 776                return "symlink";
 777        } elsif (S_ISREG($mode)) {
 778                return "file";
 779        } else {
 780                return "unknown";
 781        }
 782}
 783
 784sub format_log_line_html {
 785        my $line = shift;
 786
 787        $line = esc_html($line);
 788        $line =~ s/ /&nbsp;/g;
 789        if ($line =~ m/([0-9a-fA-F]{40})/) {
 790                my $hash_text = $1;
 791                if (git_get_type($hash_text) eq "commit") {
 792                        my $link = $cgi->a({-class => "text", -href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_text")}, $hash_text);
 793                        $line =~ s/$hash_text/$link/;
 794                }
 795        }
 796        return $line;
 797}
 798
 799sub date_str {
 800        my $epoch = shift;
 801        my $tz = shift || "-0000";
 802
 803        my %date;
 804        my @months = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
 805        my @days = ("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat");
 806        my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($epoch);
 807        $date{'hour'} = $hour;
 808        $date{'minute'} = $min;
 809        $date{'mday'} = $mday;
 810        $date{'day'} = $days[$wday];
 811        $date{'month'} = $months[$mon];
 812        $date{'rfc2822'} = sprintf "%s, %d %s %4d %02d:%02d:%02d +0000", $days[$wday], $mday, $months[$mon], 1900+$year, $hour ,$min, $sec;
 813        $date{'mday-time'} = sprintf "%d %s %02d:%02d", $mday, $months[$mon], $hour ,$min;
 814
 815        $tz =~ m/^([+\-][0-9][0-9])([0-9][0-9])$/;
 816        my $local = $epoch + ((int $1 + ($2/60)) * 3600);
 817        ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($local);
 818        $date{'hour_local'} = $hour;
 819        $date{'minute_local'} = $min;
 820        $date{'tz_local'} = $tz;
 821        return %date;
 822}
 823
 824# git-logo (cached in browser for one day)
 825sub git_logo {
 826        binmode STDOUT, ':raw';
 827        print $cgi->header(-type => 'image/png', -expires => '+1d');
 828        # cat git-logo.png | hexdump -e '16/1 " %02x"  "\n"' | sed 's/ /\\x/g'
 829        print   "\x89\x50\x4e\x47\x0d\x0a\x1a\x0a\x00\x00\x00\x0d\x49\x48\x44\x52" .
 830                "\x00\x00\x00\x48\x00\x00\x00\x1b\x04\x03\x00\x00\x00\x2d\xd9\xd4" .
 831                "\x2d\x00\x00\x00\x18\x50\x4c\x54\x45\xff\xff\xff\x60\x60\x5d\xb0" .
 832                "\xaf\xaa\x00\x80\x00\xce\xcd\xc7\xc0\x00\x00\xe8\xe8\xe6\xf7\xf7" .
 833                "\xf6\x95\x0c\xa7\x47\x00\x00\x00\x73\x49\x44\x41\x54\x28\xcf\x63" .
 834                "\x48\x67\x20\x04\x4a\x5c\x18\x0a\x08\x2a\x62\x53\x61\x20\x02\x08" .
 835                "\x0d\x69\x45\xac\xa1\xa1\x01\x30\x0c\x93\x60\x36\x26\x52\x91\xb1" .
 836                "\x01\x11\xd6\xe1\x55\x64\x6c\x6c\xcc\x6c\x6c\x0c\xa2\x0c\x70\x2a" .
 837                "\x62\x06\x2a\xc1\x62\x1d\xb3\x01\x02\x53\xa4\x08\xe8\x00\x03\x18" .
 838                "\x26\x56\x11\xd4\xe1\x20\x97\x1b\xe0\xb4\x0e\x35\x24\x71\x29\x82" .
 839                "\x99\x30\xb8\x93\x0a\x11\xb9\x45\x88\xc1\x8d\xa0\xa2\x44\x21\x06" .
 840                "\x27\x41\x82\x40\x85\xc1\x45\x89\x20\x70\x01\x00\xa4\x3d\x21\xc5" .
 841                "\x12\x1c\x9a\xfe\x00\x00\x00\x00\x49\x45\x4e\x44\xae\x42\x60\x82";
 842}
 843
 844sub get_file_owner {
 845        my $path = shift;
 846
 847        my ($dev, $ino, $mode, $nlink, $st_uid, $st_gid, $rdev, $size) = stat($path);
 848        my ($name, $passwd, $uid, $gid, $quota, $comment, $gcos, $dir, $shell) = getpwuid($st_uid);
 849        if (!defined $gcos) {
 850                return undef;
 851        }
 852        my $owner = $gcos;
 853        $owner =~ s/[,;].*$//;
 854        return decode("utf8", $owner, Encode::FB_DEFAULT);
 855}
 856
 857sub git_read_projects {
 858        my @list;
 859
 860        if (-d $projects_list) {
 861                # search in directory
 862                my $dir = $projects_list;
 863                opendir my ($dh), $dir or return undef;
 864                while (my $dir = readdir($dh)) {
 865                        if (-e "$projectroot/$dir/HEAD") {
 866                                my $pr = {
 867                                        path => $dir,
 868                                };
 869                                push @list, $pr
 870                        }
 871                }
 872                closedir($dh);
 873        } elsif (-f $projects_list) {
 874                # read from file(url-encoded):
 875                # 'git%2Fgit.git Linus+Torvalds'
 876                # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
 877                # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
 878                open my ($fd), $projects_list or return undef;
 879                while (my $line = <$fd>) {
 880                        chomp $line;
 881                        my ($path, $owner) = split ' ', $line;
 882                        $path = unescape($path);
 883                        $owner = unescape($owner);
 884                        if (!defined $path) {
 885                                next;
 886                        }
 887                        if (-e "$projectroot/$path/HEAD") {
 888                                my $pr = {
 889                                        path => $path,
 890                                        owner => decode("utf8", $owner, Encode::FB_DEFAULT),
 891                                };
 892                                push @list, $pr
 893                        }
 894                }
 895                close $fd;
 896        }
 897        @list = sort {$a->{'path'} cmp $b->{'path'}} @list;
 898        return @list;
 899}
 900
 901sub git_get_project_config {
 902        my $key = shift;
 903
 904        return unless ($key);
 905        $key =~ s/^gitweb\.//;
 906        return if ($key =~ m/\W/);
 907
 908        my $val = qx($GIT repo-config --get gitweb.$key);
 909        return ($val);
 910}
 911
 912sub git_get_project_config_bool {
 913        my $val = git_get_project_config (@_);
 914        if ($val and $val =~ m/true|yes|on/) {
 915                return (1);
 916        }
 917        return; # implicit false
 918}
 919
 920sub git_project_list {
 921        my @list = git_read_projects();
 922        my @projects;
 923        if (!@list) {
 924                die_error(undef, "No project found.");
 925        }
 926        foreach my $pr (@list) {
 927                my $head = git_read_head($pr->{'path'});
 928                if (!defined $head) {
 929                        next;
 930                }
 931                $ENV{'GIT_DIR'} = "$projectroot/$pr->{'path'}";
 932                my %co = git_read_commit($head);
 933                if (!%co) {
 934                        next;
 935                }
 936                $pr->{'commit'} = \%co;
 937                if (!defined $pr->{'descr'}) {
 938                        my $descr = git_read_description($pr->{'path'}) || "";
 939                        $pr->{'descr'} = chop_str($descr, 25, 5);
 940                }
 941                if (!defined $pr->{'owner'}) {
 942                        $pr->{'owner'} = get_file_owner("$projectroot/$pr->{'path'}") || "";
 943                }
 944                push @projects, $pr;
 945        }
 946        git_header_html();
 947        if (-f $home_text) {
 948                print "<div class=\"index_include\">\n";
 949                open (my $fd, $home_text);
 950                print <$fd>;
 951                close $fd;
 952                print "</div>\n";
 953        }
 954        print "<table class=\"project_list\">\n" .
 955              "<tr>\n";
 956        if (!defined($order) || (defined($order) && ($order eq "project"))) {
 957                @projects = sort {$a->{'path'} cmp $b->{'path'}} @projects;
 958                print "<th>Project</th>\n";
 959        } else {
 960                print "<th>" . $cgi->a({-class => "header", -href => "$my_uri?" . esc_param("o=project")}, "Project") . "</th>\n";
 961        }
 962        if (defined($order) && ($order eq "descr")) {
 963                @projects = sort {$a->{'descr'} cmp $b->{'descr'}} @projects;
 964                print "<th>Description</th>\n";
 965        } else {
 966                print "<th>" . $cgi->a({-class => "header", -href => "$my_uri?" . esc_param("o=descr")}, "Description") . "</th>\n";
 967        }
 968        if (defined($order) && ($order eq "owner")) {
 969                @projects = sort {$a->{'owner'} cmp $b->{'owner'}} @projects;
 970                print "<th>Owner</th>\n";
 971        } else {
 972                print "<th>" . $cgi->a({-class => "header", -href => "$my_uri?" . esc_param("o=owner")}, "Owner") . "</th>\n";
 973        }
 974        if (defined($order) && ($order eq "age")) {
 975                @projects = sort {$a->{'commit'}{'age'} <=> $b->{'commit'}{'age'}} @projects;
 976                print "<th>Last Change</th>\n";
 977        } else {
 978                print "<th>" . $cgi->a({-class => "header", -href => "$my_uri?" . esc_param("o=age")}, "Last Change") . "</th>\n";
 979        }
 980        print "<th></th>\n" .
 981              "</tr>\n";
 982        my $alternate = 0;
 983        foreach my $pr (@projects) {
 984                if ($alternate) {
 985                        print "<tr class=\"dark\">\n";
 986                } else {
 987                        print "<tr class=\"light\">\n";
 988                }
 989                $alternate ^= 1;
 990                print "<td>" . $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=summary"), -class => "list"}, esc_html($pr->{'path'})) . "</td>\n" .
 991                      "<td>" . esc_html($pr->{'descr'}) . "</td>\n" .
 992                      "<td><i>" . chop_str($pr->{'owner'}, 15) . "</i></td>\n";
 993                print "<td class=\"". age_class($pr->{'commit'}{'age'}) . "\">" . $pr->{'commit'}{'age_string'} . "</td>\n" .
 994                      "<td class=\"link\">" .
 995                      $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=summary")}, "summary") .
 996                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=shortlog")}, "shortlog") .
 997                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=log")}, "log") .
 998                      "</td>\n" .
 999                      "</tr>\n";
1000        }
1001        print "</table>\n";
1002        git_footer_html();
1003}
1004
1005sub read_info_ref {
1006        my $type = shift || "";
1007        my %refs;
1008        # 5dc01c595e6c6ec9ccda4f6f69c131c0dd945f8c      refs/tags/v2.6.11
1009        # c39ae07f393806ccf406ef966e9a15afc43cc36a      refs/tags/v2.6.11^{}
1010        open my $fd, "$projectroot/$project/info/refs" or return;
1011        while (my $line = <$fd>) {
1012                chomp $line;
1013                if ($line =~ m/^([0-9a-fA-F]{40})\t.*$type\/([^\^]+)/) {
1014                        if (defined $refs{$1}) {
1015                                $refs{$1} .= " / $2";
1016                        } else {
1017                                $refs{$1} = $2;
1018                        }
1019                }
1020        }
1021        close $fd or return;
1022        return \%refs;
1023}
1024
1025sub git_read_refs {
1026        my $ref_dir = shift;
1027        my @reflist;
1028
1029        my @refs;
1030        opendir my $dh, "$projectroot/$project/$ref_dir";
1031        while (my $dir = readdir($dh)) {
1032                if ($dir =~ m/^\./) {
1033                        next;
1034                }
1035                if (-d "$projectroot/$project/$ref_dir/$dir") {
1036                        opendir my $dh2, "$projectroot/$project/$ref_dir/$dir";
1037                        my @subdirs = grep !m/^\./, readdir $dh2;
1038                        closedir($dh2);
1039                        foreach my $subdir (@subdirs) {
1040                                push @refs, "$dir/$subdir"
1041                        }
1042                        next;
1043                }
1044                push @refs, $dir;
1045        }
1046        closedir($dh);
1047        foreach my $ref_file (@refs) {
1048                my $ref_id = git_read_hash("$project/$ref_dir/$ref_file");
1049                my $type = git_get_type($ref_id) || next;
1050                my %ref_item;
1051                my %co;
1052                $ref_item{'type'} = $type;
1053                $ref_item{'id'} = $ref_id;
1054                $ref_item{'epoch'} = 0;
1055                $ref_item{'age'} = "unknown";
1056                if ($type eq "tag") {
1057                        my %tag = git_read_tag($ref_id);
1058                        $ref_item{'comment'} = $tag{'comment'};
1059                        if ($tag{'type'} eq "commit") {
1060                                %co = git_read_commit($tag{'object'});
1061                                $ref_item{'epoch'} = $co{'committer_epoch'};
1062                                $ref_item{'age'} = $co{'age_string'};
1063                        } elsif (defined($tag{'epoch'})) {
1064                                my $age = time - $tag{'epoch'};
1065                                $ref_item{'epoch'} = $tag{'epoch'};
1066                                $ref_item{'age'} = age_string($age);
1067                        }
1068                        $ref_item{'reftype'} = $tag{'type'};
1069                        $ref_item{'name'} = $tag{'name'};
1070                        $ref_item{'refid'} = $tag{'object'};
1071                } elsif ($type eq "commit"){
1072                        %co = git_read_commit($ref_id);
1073                        $ref_item{'reftype'} = "commit";
1074                        $ref_item{'name'} = $ref_file;
1075                        $ref_item{'title'} = $co{'title'};
1076                        $ref_item{'refid'} = $ref_id;
1077                        $ref_item{'epoch'} = $co{'committer_epoch'};
1078                        $ref_item{'age'} = $co{'age_string'};
1079                }
1080
1081                push @reflist, \%ref_item;
1082        }
1083        # sort tags by age
1084        @reflist = sort {$b->{'epoch'} <=> $a->{'epoch'}} @reflist;
1085        return \@reflist;
1086}
1087
1088sub git_summary {
1089        my $descr = git_read_description($project) || "none";
1090        my $head = git_read_head($project);
1091        my %co = git_read_commit($head);
1092        my %cd = date_str($co{'committer_epoch'}, $co{'committer_tz'});
1093
1094        my $owner;
1095        if (-f $projects_list) {
1096                open (my $fd , $projects_list);
1097                while (my $line = <$fd>) {
1098                        chomp $line;
1099                        my ($pr, $ow) = split ' ', $line;
1100                        $pr = unescape($pr);
1101                        $ow = unescape($ow);
1102                        if ($pr eq $project) {
1103                                $owner = decode("utf8", $ow, Encode::FB_DEFAULT);
1104                                last;
1105                        }
1106                }
1107                close $fd;
1108        }
1109        if (!defined $owner) {
1110                $owner = get_file_owner("$projectroot/$project");
1111        }
1112
1113        my $refs = read_info_ref();
1114        git_header_html();
1115        git_page_nav('summary','', $head);
1116        print "<div class=\"title\">&nbsp;</div>\n";
1117        print "<table cellspacing=\"0\">\n" .
1118              "<tr><td>description</td><td>" . esc_html($descr) . "</td></tr>\n" .
1119              "<tr><td>owner</td><td>$owner</td></tr>\n" .
1120              "<tr><td>last change</td><td>$cd{'rfc2822'}</td></tr>\n" .
1121              "</table>\n";
1122        open my $fd, "-|", $GIT, "rev-list", "--max-count=17", git_read_head($project)
1123                or die_error(undef, "Open git-rev-list failed.");
1124        my @revlist = map { chomp; $_ } <$fd>;
1125        close $fd;
1126        print "<div>\n" .
1127              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog"), -class => "title"}, "shortlog") .
1128              "</div>\n";
1129        my $i = 16;
1130        print "<table cellspacing=\"0\">\n";
1131        my $alternate = 0;
1132        foreach my $commit (@revlist) {
1133                my %co = git_read_commit($commit);
1134                my %ad = date_str($co{'author_epoch'});
1135                if ($alternate) {
1136                        print "<tr class=\"dark\">\n";
1137                } else {
1138                        print "<tr class=\"light\">\n";
1139                }
1140                $alternate ^= 1;
1141                if ($i-- > 0) {
1142                        my $ref = "";
1143                        if (defined $refs->{$commit}) {
1144                                $ref = " <span class=\"tag\">" . esc_html($refs->{$commit}) . "</span>";
1145                        }
1146                        print "<td><i>$co{'age_string'}</i></td>\n" .
1147                              "<td><i>" . esc_html(chop_str($co{'author_name'}, 10)) . "</i></td>\n" .
1148                              "<td>";
1149                        if (length($co{'title_short'}) < length($co{'title'})) {
1150                                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "list", -title => "$co{'title'}"},
1151                                      "<b>" . esc_html($co{'title_short'}) . "$ref</b>");
1152                        } else {
1153                                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "list"},
1154                                      "<b>" . esc_html($co{'title'}) . "$ref</b>");
1155                        }
1156                        print "</td>\n" .
1157                              "<td class=\"link\">" .
1158                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit")}, "commit") .
1159                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
1160                              "</td>\n" .
1161                              "</tr>";
1162                } else {
1163                        print "<td>" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "...") . "</td>\n" .
1164                        "</tr>";
1165                        last;
1166                }
1167        }
1168        print "</table\n>";
1169
1170        my $taglist = git_read_refs("refs/tags");
1171        if (defined @$taglist) {
1172                print "<div>\n" .
1173                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tags"), -class => "title"}, "tags") .
1174                      "</div>\n";
1175                my $i = 16;
1176                print "<table cellspacing=\"0\">\n";
1177                my $alternate = 0;
1178                foreach my $entry (@$taglist) {
1179                        my %tag = %$entry;
1180                        my $comment_lines = $tag{'comment'};
1181                        my $comment = shift @$comment_lines;
1182                        if (defined($comment)) {
1183                                $comment = chop_str($comment, 30, 5);
1184                        }
1185                        if ($alternate) {
1186                                print "<tr class=\"dark\">\n";
1187                        } else {
1188                                print "<tr class=\"light\">\n";
1189                        }
1190                        $alternate ^= 1;
1191                        if ($i-- > 0) {
1192                                print "<td><i>$tag{'age'}</i></td>\n" .
1193                                      "<td>" .
1194                                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'reftype'};h=$tag{'refid'}"), -class => "list"},
1195                                      "<b>" . esc_html($tag{'name'}) . "</b>") .
1196                                      "</td>\n" .
1197                                      "<td>";
1198                                if (defined($comment)) {
1199                                        print $cgi->a({-class => "list", -href => "$my_uri?" . esc_param("p=$project;a=tag;h=$tag{'id'}")}, esc_html($comment));
1200                                }
1201                                print "</td>\n" .
1202                                      "<td class=\"link\">";
1203                                if ($tag{'type'} eq "tag") {
1204                                        print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tag;h=$tag{'id'}")}, "tag") . " | ";
1205                                }
1206                                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'reftype'};h=$tag{'refid'}")}, $tag{'reftype'});
1207                                if ($tag{'reftype'} eq "commit") {
1208                                        print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}")}, "shortlog") .
1209                                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$tag{'refid'}")}, "log");
1210                                }
1211                                print "</td>\n" .
1212                                      "</tr>";
1213                        } else {
1214                                print "<td>" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tags")}, "...") . "</td>\n" .
1215                                "</tr>";
1216                                last;
1217                        }
1218                }
1219                print "</table\n>";
1220        }
1221
1222        my $headlist = git_read_refs("refs/heads");
1223        if (defined @$headlist) {
1224                print "<div>\n" .
1225                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=heads"), -class => "title"}, "heads") .
1226                      "</div>\n";
1227                my $i = 16;
1228                print "<table cellspacing=\"0\">\n";
1229                my $alternate = 0;
1230                foreach my $entry (@$headlist) {
1231                        my %tag = %$entry;
1232                        if ($alternate) {
1233                                print "<tr class=\"dark\">\n";
1234                        } else {
1235                                print "<tr class=\"light\">\n";
1236                        }
1237                        $alternate ^= 1;
1238                        if ($i-- > 0) {
1239                                print "<td><i>$tag{'age'}</i></td>\n" .
1240                                      "<td>" .
1241                                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}"), -class => "list"},
1242                                      "<b>" . esc_html($tag{'name'}) . "</b>") .
1243                                      "</td>\n" .
1244                                      "<td class=\"link\">" .
1245                                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}")}, "shortlog") .
1246                                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$tag{'name'}")}, "log") .
1247                                      "</td>\n" .
1248                                      "</tr>";
1249                        } else {
1250                                print "<td>" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=heads")}, "...") . "</td>\n" .
1251                                "</tr>";
1252                                last;
1253                        }
1254                }
1255                print "</table\n>";
1256        }
1257        git_footer_html();
1258}
1259
1260sub git_print_page_path {
1261        my $name = shift;
1262        my $type = shift;
1263
1264        if (!defined $name) {
1265                print "<div class=\"page_path\"><b>/</b></div>\n";
1266        } elsif ($type =~ "blob") {
1267                print "<div class=\"page_path\"><b>" .
1268                        $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob_plain;f=$file_name")}, esc_html($name)) . "</b><br/></div>\n";
1269        } else {
1270                print "<div class=\"page_path\"><b>" . esc_html($name) . "</b><br/></div>\n";
1271        }
1272}
1273
1274sub git_tag {
1275        my $head = git_read_head($project);
1276        git_header_html();
1277        git_page_nav('','', $head,undef,$head);
1278        my %tag = git_read_tag($hash);
1279        print "<div>\n" .
1280              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash"), -class => "title"}, esc_html($tag{'name'})) . "\n" .
1281              "</div>\n";
1282        print "<div class=\"title_text\">\n" .
1283              "<table cellspacing=\"0\">\n" .
1284              "<tr>\n" .
1285              "<td>object</td>\n" .
1286              "<td>" . $cgi->a({-class => "list", -href => "$my_uri?" . esc_param("p=$project;a=$tag{'type'};h=$tag{'object'}")}, $tag{'object'}) . "</td>\n" .
1287              "<td class=\"link\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'type'};h=$tag{'object'}")}, $tag{'type'}) . "</td>\n" .
1288              "</tr>\n";
1289        if (defined($tag{'author'})) {
1290                my %ad = date_str($tag{'epoch'}, $tag{'tz'});
1291                print "<tr><td>author</td><td>" . esc_html($tag{'author'}) . "</td></tr>\n";
1292                print "<tr><td></td><td>" . $ad{'rfc2822'} . sprintf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'}) . "</td></tr>\n";
1293        }
1294        print "</table>\n\n" .
1295              "</div>\n";
1296        print "<div class=\"page_body\">";
1297        my $comment = $tag{'comment'};
1298        foreach my $line (@$comment) {
1299                print esc_html($line) . "<br/>\n";
1300        }
1301        print "</div>\n";
1302        git_footer_html();
1303}
1304
1305sub git_blame2 {
1306        my $fd;
1307        my $ftype;
1308        die_error(undef, "Permission denied.") if (!git_get_project_config_bool ('blame'));
1309        die_error('404 Not Found', "File name not defined") if (!$file_name);
1310        $hash_base ||= git_read_head($project);
1311        die_error(undef, "Reading commit failed") unless ($hash_base);
1312        my %co = git_read_commit($hash_base)
1313                or die_error(undef, "Reading commit failed");
1314        if (!defined $hash) {
1315                $hash = git_get_hash_by_path($hash_base, $file_name, "blob")
1316                        or die_error(undef, "Error looking up file");
1317        }
1318        $ftype = git_get_type($hash);
1319        if ($ftype !~ "blob") {
1320                die_error("400 Bad Request", "object is not a blob");
1321        }
1322        open ($fd, "-|", $GIT, "blame", '-l', $file_name, $hash_base)
1323                or die_error(undef, "Open git-blame failed.");
1324        git_header_html();
1325        my $formats_nav =
1326                $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$hash;hb=$hash_base;f=$file_name")}, "blob") .
1327                " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blame;f=$file_name")}, "head");
1328        git_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
1329        print "<div>" .
1330              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base"), -class => "title"}, esc_html($co{'title'})) .
1331              "</div>\n";
1332        git_print_page_path($file_name, $ftype);
1333        my @rev_color = (qw(light dark));
1334        my $num_colors = scalar(@rev_color);
1335        my $current_color = 0;
1336        my $last_rev;
1337        print "<div class=\"page_body\">\n";
1338        print "<table class=\"blame\">\n";
1339        print "<tr><th>Commit</th><th>Line</th><th>Data</th></tr>\n";
1340        while (<$fd>) {
1341                /^([0-9a-fA-F]{40}).*?(\d+)\)\s{1}(\s*.*)/;
1342                my $full_rev = $1;
1343                my $rev = substr($full_rev, 0, 8);
1344                my $lineno = $2;
1345                my $data = $3;
1346
1347                if (!defined $last_rev) {
1348                        $last_rev = $full_rev;
1349                } elsif ($last_rev ne $full_rev) {
1350                        $last_rev = $full_rev;
1351                        $current_color = ++$current_color % $num_colors;
1352                }
1353                print "<tr class=\"$rev_color[$current_color]\">\n";
1354                print "<td class=\"sha1\">" .
1355                        $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$full_rev;f=$file_name")}, esc_html($rev)) . "</td>\n";
1356                print "<td class=\"linenr\"><a id=\"l$lineno\" href=\"#l$lineno\" class=\"linenr\">" . esc_html($lineno) . "</a></td>\n";
1357                print "<td class=\"pre\">" . esc_html($data) . "</td>\n";
1358                print "</tr>\n";
1359        }
1360        print "</table>\n";
1361        print "</div>";
1362        close $fd or print "Reading blob failed\n";
1363        git_footer_html();
1364}
1365
1366sub git_blame {
1367        my $fd;
1368        die_error('403 Permission denied', "Permission denied.") if (!git_get_project_config_bool ('blame'));
1369        die_error('404 Not Found', "What file will it be, master?") if (!$file_name);
1370        $hash_base ||= git_read_head($project);
1371        die_error(undef, "Reading commit failed.") unless ($hash_base);
1372        my %co = git_read_commit($hash_base)
1373                or die_error(undef, "Reading commit failed.");
1374        if (!defined $hash) {
1375                $hash = git_get_hash_by_path($hash_base, $file_name, "blob")
1376                        or die_error(undef, "Error lookup file.");
1377        }
1378        open ($fd, "-|", $GIT, "annotate", '-l', '-t', '-r', $file_name, $hash_base)
1379                or die_error(undef, "Open git-annotate failed.");
1380        git_header_html();
1381        my $formats_nav =
1382                $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$hash;hb=$hash_base;f=$file_name")}, "blob") .
1383                " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blame;f=$file_name")}, "head");
1384        git_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
1385        print "<div>" .
1386              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base"), -class => "title"}, esc_html($co{'title'})) .
1387              "</div>\n";
1388        git_print_page_path($file_name);
1389        print "<div class=\"page_body\">\n";
1390        print <<HTML;
1391<table class="blame">
1392  <tr>
1393    <th>Commit</th>
1394    <th>Age</th>
1395    <th>Author</th>
1396    <th>Line</th>
1397    <th>Data</th>
1398  </tr>
1399HTML
1400        my @line_class = (qw(light dark));
1401        my $line_class_len = scalar (@line_class);
1402        my $line_class_num = $#line_class;
1403        while (my $line = <$fd>) {
1404                my $long_rev;
1405                my $short_rev;
1406                my $author;
1407                my $time;
1408                my $lineno;
1409                my $data;
1410                my $age;
1411                my $age_str;
1412                my $age_class;
1413
1414                chomp $line;
1415                $line_class_num = ($line_class_num + 1) % $line_class_len;
1416
1417                if ($line =~ m/^([0-9a-fA-F]{40})\t\(\s*([^\t]+)\t(\d+) \+\d\d\d\d\t(\d+)\)(.*)$/) {
1418                        $long_rev = $1;
1419                        $author   = $2;
1420                        $time     = $3;
1421                        $lineno   = $4;
1422                        $data     = $5;
1423                } else {
1424                        print qq(  <tr><td colspan="5" class="error">Unable to parse: $line</td></tr>\n);
1425                        next;
1426                }
1427                $short_rev  = substr ($long_rev, 0, 8);
1428                $age        = time () - $time;
1429                $age_str    = age_string ($age);
1430                $age_str    =~ s/ /&nbsp;/g;
1431                $age_class  = age_class($age);
1432                $author     = esc_html ($author);
1433                $author     =~ s/ /&nbsp;/g;
1434                # escape tabs
1435                while ((my $pos = index($data, "\t")) != -1) {
1436                        if (my $count = (8 - ($pos % 8))) {
1437                                my $spaces = ' ' x $count;
1438                                $data =~ s/\t/$spaces/;
1439                        }
1440                }
1441                $data = esc_html ($data);
1442
1443                print <<HTML;
1444  <tr class="$line_class[$line_class_num]">
1445    <td class="sha1"><a href="$my_uri?${\esc_param ("p=$project;a=commit;h=$long_rev")}" class="text">$short_rev..</a></td>
1446    <td class="$age_class">$age_str</td>
1447    <td>$author</td>
1448    <td class="linenr"><a id="$lineno" href="#$lineno" class="linenr">$lineno</a></td>
1449    <td class="pre">$data</td>
1450  </tr>
1451HTML
1452        } # while (my $line = <$fd>)
1453        print "</table>\n\n";
1454        close $fd or print "Reading blob failed.\n";
1455        print "</div>";
1456        git_footer_html();
1457}
1458
1459sub git_tags {
1460        my $head = git_read_head($project);
1461        git_header_html();
1462        git_page_nav('','', $head,undef,$head);
1463        my $taglist = git_read_refs("refs/tags");
1464        print "<div>\n" .
1465              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary"), -class => "title"}, "&nbsp;") .
1466              "</div>\n";
1467        print "<table cellspacing=\"0\">\n";
1468        my $alternate = 0;
1469        if (defined @$taglist) {
1470                foreach my $entry (@$taglist) {
1471                        my %tag = %$entry;
1472                        my $comment_lines = $tag{'comment'};
1473                        my $comment = shift @$comment_lines;
1474                        if (defined($comment)) {
1475                                $comment = chop_str($comment, 30, 5);
1476                        }
1477                        if ($alternate) {
1478                                print "<tr class=\"dark\">\n";
1479                        } else {
1480                                print "<tr class=\"light\">\n";
1481                        }
1482                        $alternate ^= 1;
1483                        print "<td><i>$tag{'age'}</i></td>\n" .
1484                              "<td>" .
1485                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'reftype'};h=$tag{'refid'}"), -class => "list"},
1486                              "<b>" . esc_html($tag{'name'}) . "</b>") .
1487                              "</td>\n" .
1488                              "<td>";
1489                        if (defined($comment)) {
1490                                print $cgi->a({-class => "list", -href => "$my_uri?" . esc_param("p=$project;a=tag;h=$tag{'id'}")}, $comment);
1491                        }
1492                        print "</td>\n" .
1493                              "<td class=\"link\">";
1494                        if ($tag{'type'} eq "tag") {
1495                                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tag;h=$tag{'id'}")}, "tag") . " | ";
1496                        }
1497                        print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'reftype'};h=$tag{'refid'}")}, $tag{'reftype'});
1498                        if ($tag{'reftype'} eq "commit") {
1499                                print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}")}, "shortlog") .
1500                                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$tag{'refid'}")}, "log");
1501                        }
1502                        print "</td>\n" .
1503                              "</tr>";
1504                }
1505        }
1506        print "</table\n>";
1507        git_footer_html();
1508}
1509
1510sub git_heads {
1511        my $head = git_read_head($project);
1512        git_header_html();
1513        git_page_nav('','', $head,undef,$head);
1514        my $taglist = git_read_refs("refs/heads");
1515        print "<div>\n" .
1516              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary"), -class => "title"}, "&nbsp;") .
1517              "</div>\n";
1518        print "<table cellspacing=\"0\">\n";
1519        my $alternate = 0;
1520        if (defined @$taglist) {
1521                foreach my $entry (@$taglist) {
1522                        my %tag = %$entry;
1523                        if ($alternate) {
1524                                print "<tr class=\"dark\">\n";
1525                        } else {
1526                                print "<tr class=\"light\">\n";
1527                        }
1528                        $alternate ^= 1;
1529                        print "<td><i>$tag{'age'}</i></td>\n" .
1530                              "<td>" .
1531                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}"), -class => "list"}, "<b>" . esc_html($tag{'name'}) . "</b>") .
1532                              "</td>\n" .
1533                              "<td class=\"link\">" .
1534                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}")}, "shortlog") .
1535                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$tag{'name'}")}, "log") .
1536                              "</td>\n" .
1537                              "</tr>";
1538                }
1539        }
1540        print "</table\n>";
1541        git_footer_html();
1542}
1543
1544sub git_get_hash_by_path {
1545        my $base = shift;
1546        my $path = shift || return undef;
1547
1548        my $tree = $base;
1549
1550        open my $fd, "-|", $GIT, "ls-tree", $base, "--", $path
1551                or die_error(undef, "Open git-ls-tree failed.");
1552        my $line = <$fd>;
1553        close $fd or return undef;
1554
1555        #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa  panic.c'
1556        $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
1557        return $3;
1558}
1559
1560sub mimetype_guess_file {
1561        my $filename = shift;
1562        my $mimemap = shift;
1563        -r $mimemap or return undef;
1564
1565        my %mimemap;
1566        open(MIME, $mimemap) or return undef;
1567        while (<MIME>) {
1568                my ($mime, $exts) = split(/\t+/);
1569                my @exts = split(/\s+/, $exts);
1570                foreach my $ext (@exts) {
1571                        $mimemap{$ext} = $mime;
1572                }
1573        }
1574        close(MIME);
1575
1576        $filename =~ /\.(.*?)$/;
1577        return $mimemap{$1};
1578}
1579
1580sub mimetype_guess {
1581        my $filename = shift;
1582        my $mime;
1583        $filename =~ /\./ or return undef;
1584
1585        if ($mimetypes_file) {
1586                my $file = $mimetypes_file;
1587                #$file =~ m#^/# or $file = "$projectroot/$path/$file";
1588                $mime = mimetype_guess_file($filename, $file);
1589        }
1590        $mime ||= mimetype_guess_file($filename, '/etc/mime.types');
1591        return $mime;
1592}
1593
1594sub git_blob_plain_mimetype {
1595        my $fd = shift;
1596        my $filename = shift;
1597
1598        if ($filename) {
1599                my $mime = mimetype_guess($filename);
1600                $mime and return $mime;
1601        }
1602
1603        # just in case
1604        return $default_blob_plain_mimetype unless $fd;
1605
1606        if (-T $fd) {
1607                return 'text/plain' .
1608                       ($default_text_plain_charset ? '; charset='.$default_text_plain_charset : '');
1609        } elsif (! $filename) {
1610                return 'application/octet-stream';
1611        } elsif ($filename =~ m/\.png$/i) {
1612                return 'image/png';
1613        } elsif ($filename =~ m/\.gif$/i) {
1614                return 'image/gif';
1615        } elsif ($filename =~ m/\.jpe?g$/i) {
1616                return 'image/jpeg';
1617        } else {
1618                return 'application/octet-stream';
1619        }
1620}
1621
1622sub git_blob_plain {
1623        if (!defined $hash) {
1624                if (defined $file_name) {
1625                        my $base = $hash_base || git_read_head($project);
1626                        $hash = git_get_hash_by_path($base, $file_name, "blob")
1627                                or die_error(undef, "Error lookup file.");
1628                } else {
1629                        die_error(undef, "No file name defined.");
1630                }
1631        }
1632        my $type = shift;
1633        open my $fd, "-|", $GIT, "cat-file", "blob", $hash
1634                or die_error("Couldn't cat $file_name, $hash");
1635
1636        $type ||= git_blob_plain_mimetype($fd, $file_name);
1637
1638        # save as filename, even when no $file_name is given
1639        my $save_as = "$hash";
1640        if (defined $file_name) {
1641                $save_as = $file_name;
1642        } elsif ($type =~ m/^text\//) {
1643                $save_as .= '.txt';
1644        }
1645
1646        print $cgi->header(-type => "$type", '-content-disposition' => "inline; filename=\"$save_as\"");
1647        undef $/;
1648        binmode STDOUT, ':raw';
1649        print <$fd>;
1650        binmode STDOUT, ':utf8'; # as set at the beginning of gitweb.cgi
1651        $/ = "\n";
1652        close $fd;
1653}
1654
1655sub git_blob {
1656        if (!defined $hash) {
1657                if (defined $file_name) {
1658                        my $base = $hash_base || git_read_head($project);
1659                        $hash = git_get_hash_by_path($base, $file_name, "blob")
1660                                or die_error(undef, "Error lookup file.");
1661                } else {
1662                        die_error(undef, "No file name defined.");
1663                }
1664        }
1665        my $have_blame = git_get_project_config_bool ('blame');
1666        open my $fd, "-|", $GIT, "cat-file", "blob", $hash
1667                or die_error(undef, "Couldn't cat $file_name, $hash.");
1668        my $mimetype = git_blob_plain_mimetype($fd, $file_name);
1669        if ($mimetype !~ m/^text\//) {
1670                close $fd;
1671                return git_blob_plain($mimetype);
1672        }
1673        git_header_html();
1674        my $formats_nav = '';
1675        if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
1676                if (defined $file_name) {
1677                        if ($have_blame) {
1678                                $formats_nav .= $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blame;h=$hash;hb=$hash_base;f=$file_name")}, "blame") . " | ";
1679                        }
1680                        $formats_nav .=
1681                                $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob_plain;h=$hash;f=$file_name")}, "plain") .
1682                                " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;hb=HEAD;f=$file_name")}, "head");
1683                } else {
1684                        $formats_nav .= $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob_plain;h=$hash")}, "plain");
1685                }
1686                git_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
1687                print "<div>" .
1688                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base"), -class => "title"}, esc_html($co{'title'})) .
1689                      "</div>\n";
1690        } else {
1691                print "<div class=\"page_nav\">\n" .
1692                      "<br/><br/></div>\n" .
1693                      "<div class=\"title\">$hash</div>\n";
1694        }
1695        git_print_page_path($file_name, "blob");
1696        print "<div class=\"page_body\">\n";
1697        my $nr;
1698        while (my $line = <$fd>) {
1699                chomp $line;
1700                $nr++;
1701                while ((my $pos = index($line, "\t")) != -1) {
1702                        if (my $count = (8 - ($pos % 8))) {
1703                                my $spaces = ' ' x $count;
1704                                $line =~ s/\t/$spaces/;
1705                        }
1706                }
1707                printf "<div class=\"pre\"><a id=\"l%i\" href=\"#l%i\" class=\"linenr\">%4i</a> %s</div>\n", $nr, $nr, $nr, esc_html($line);
1708        }
1709        close $fd or print "Reading blob failed.\n";
1710        print "</div>";
1711        git_footer_html();
1712}
1713
1714sub git_tree {
1715        if (!defined $hash) {
1716                $hash = git_read_head($project);
1717                if (defined $file_name) {
1718                        my $base = $hash_base || $hash;
1719                        $hash = git_get_hash_by_path($base, $file_name, "tree");
1720                }
1721                if (!defined $hash_base) {
1722                        $hash_base = $hash;
1723                }
1724        }
1725        $/ = "\0";
1726        open my $fd, "-|", $GIT, "ls-tree", '-z', $hash
1727                or die_error(undef, "Open git-ls-tree failed.");
1728        my @entries = map { chomp; $_ } <$fd>;
1729        close $fd or die_error(undef, "Reading tree failed.");
1730        $/ = "\n";
1731
1732        my $refs = read_info_ref();
1733        my $ref = "";
1734        if (defined $refs->{$hash_base}) {
1735                $ref = " <span class=\"tag\">" . esc_html($refs->{$hash_base}) . "</span>";
1736        }
1737        git_header_html();
1738        my $base_key = "";
1739        my $base = "";
1740        if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
1741                $base_key = ";hb=$hash_base";
1742                git_page_nav('tree','', $hash_base);
1743                print "<div>\n" .
1744                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base"), -class => "title"}, esc_html($co{'title'}) . $ref) . "\n" .
1745                      "</div>\n";
1746        } else {
1747                print "<div class=\"page_nav\">\n";
1748                print "<br/><br/></div>\n";
1749                print "<div class=\"title\">$hash</div>\n";
1750        }
1751        if (defined $file_name) {
1752                $base = esc_html("$file_name/");
1753        }
1754        git_print_page_path($file_name);
1755        print "<div class=\"page_body\">\n";
1756        print "<table cellspacing=\"0\">\n";
1757        my $alternate = 0;
1758        foreach my $line (@entries) {
1759                #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
1760                $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
1761                my $t_mode = $1;
1762                my $t_type = $2;
1763                my $t_hash = $3;
1764                my $t_name = validate_input($4);
1765                if ($alternate) {
1766                        print "<tr class=\"dark\">\n";
1767                } else {
1768                        print "<tr class=\"light\">\n";
1769                }
1770                $alternate ^= 1;
1771                print "<td class=\"mode\">" . mode_str($t_mode) . "</td>\n";
1772                if ($t_type eq "blob") {
1773                        print "<td class=\"list\">" .
1774                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$t_hash$base_key;f=$base$t_name"), -class => "list"}, esc_html($t_name)) .
1775                              "</td>\n" .
1776                              "<td class=\"link\">" .
1777                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$t_hash$base_key;f=$base$t_name")}, "blob") .
1778#                             " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blame;h=$t_hash$base_key;f=$base$t_name")}, "blame") .
1779                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=history;h=$t_hash;hb=$hash_base;f=$base$t_name")}, "history") .
1780                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob_plain;h=$t_hash;f=$base$t_name")}, "raw") .
1781                              "</td>\n";
1782                } elsif ($t_type eq "tree") {
1783                        print "<td class=\"list\">" .
1784                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$t_hash$base_key;f=$base$t_name")}, esc_html($t_name)) .
1785                              "</td>\n" .
1786                              "<td class=\"link\">" .
1787                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$t_hash$base_key;f=$base$t_name")}, "tree") .
1788                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=history;hb=$hash_base;f=$base$t_name")}, "history") .
1789                              "</td>\n";
1790                }
1791                print "</tr>\n";
1792        }
1793        print "</table>\n" .
1794              "</div>";
1795        git_footer_html();
1796}
1797
1798sub git_rss {
1799        # http://www.notestips.com/80256B3A007F2692/1/NAMO5P9UPQ
1800        open my $fd, "-|", $GIT, "rev-list", "--max-count=150", git_read_head($project)
1801                or die_error(undef, "Open git-rev-list failed.");
1802        my @revlist = map { chomp; $_ } <$fd>;
1803        close $fd or die_error(undef, "Reading rev-list failed.");
1804        print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
1805        print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
1806              "<rss version=\"2.0\" xmlns:content=\"http://purl.org/rss/1.0/modules/content/\">\n";
1807        print "<channel>\n";
1808        print "<title>$project</title>\n".
1809              "<link>" . esc_html("$my_url?p=$project;a=summary") . "</link>\n".
1810              "<description>$project log</description>\n".
1811              "<language>en</language>\n";
1812
1813        for (my $i = 0; $i <= $#revlist; $i++) {
1814                my $commit = $revlist[$i];
1815                my %co = git_read_commit($commit);
1816                # we read 150, we always show 30 and the ones more recent than 48 hours
1817                if (($i >= 20) && ((time - $co{'committer_epoch'}) > 48*60*60)) {
1818                        last;
1819                }
1820                my %cd = date_str($co{'committer_epoch'});
1821                open $fd, "-|", $GIT, "diff-tree", '-r', $co{'parent'}, $co{'id'} or next;
1822                my @difftree = map { chomp; $_ } <$fd>;
1823                close $fd or next;
1824                print "<item>\n" .
1825                      "<title>" .
1826                      sprintf("%d %s %02d:%02d", $cd{'mday'}, $cd{'month'}, $cd{'hour'}, $cd{'minute'}) . " - " . esc_html($co{'title'}) .
1827                      "</title>\n" .
1828                      "<author>" . esc_html($co{'author'}) . "</author>\n" .
1829                      "<pubDate>$cd{'rfc2822'}</pubDate>\n" .
1830                      "<guid isPermaLink=\"true\">" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</guid>\n" .
1831                      "<link>" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</link>\n" .
1832                      "<description>" . esc_html($co{'title'}) . "</description>\n" .
1833                      "<content:encoded>" .
1834                      "<![CDATA[\n";
1835                my $comment = $co{'comment'};
1836                foreach my $line (@$comment) {
1837                        $line = decode("utf8", $line, Encode::FB_DEFAULT);
1838                        print "$line<br/>\n";
1839                }
1840                print "<br/>\n";
1841                foreach my $line (@difftree) {
1842                        if (!($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/)) {
1843                                next;
1844                        }
1845                        my $file = validate_input(unquote($7));
1846                        $file = decode("utf8", $file, Encode::FB_DEFAULT);
1847                        print "$file<br/>\n";
1848                }
1849                print "]]>\n" .
1850                      "</content:encoded>\n" .
1851                      "</item>\n";
1852        }
1853        print "</channel></rss>";
1854}
1855
1856sub git_opml {
1857        my @list = git_read_projects();
1858
1859        print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
1860        print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
1861              "<opml version=\"1.0\">\n".
1862              "<head>".
1863              "  <title>$site_name Git OPML Export</title>\n".
1864              "</head>\n".
1865              "<body>\n".
1866              "<outline text=\"git RSS feeds\">\n";
1867
1868        foreach my $pr (@list) {
1869                my %proj = %$pr;
1870                my $head = git_read_head($proj{'path'});
1871                if (!defined $head) {
1872                        next;
1873                }
1874                $ENV{'GIT_DIR'} = "$projectroot/$proj{'path'}";
1875                my %co = git_read_commit($head);
1876                if (!%co) {
1877                        next;
1878                }
1879
1880                my $path = esc_html(chop_str($proj{'path'}, 25, 5));
1881                my $rss  = "$my_url?p=$proj{'path'};a=rss";
1882                my $html = "$my_url?p=$proj{'path'};a=summary";
1883                print "<outline type=\"rss\" text=\"$path\" title=\"$path\" xmlUrl=\"$rss\" htmlUrl=\"$html\"/>\n";
1884        }
1885        print "</outline>\n".
1886              "</body>\n".
1887              "</opml>\n";
1888}
1889
1890sub git_log {
1891        my $head = git_read_head($project);
1892        if (!defined $hash) {
1893                $hash = $head;
1894        }
1895        if (!defined $page) {
1896                $page = 0;
1897        }
1898        my $refs = read_info_ref();
1899
1900        my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
1901        open my $fd, "-|", $GIT, "rev-list", $limit, $hash
1902                or die_error(undef, "Open git-rev-list failed.");
1903        my @revlist = map { chomp; $_ } <$fd>;
1904        close $fd;
1905
1906        my $paging_nav = git_get_paging_nav('log', $hash, $head, $page, $#revlist);
1907
1908        git_header_html();
1909        git_page_nav('log','', $hash,undef,undef, $paging_nav);
1910
1911        if (!@revlist) {
1912                print "<div>\n" .
1913                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary"), -class => "title"}, "&nbsp;") .
1914                      "</div>\n";
1915                my %co = git_read_commit($hash);
1916                print "<div class=\"page_body\"> Last change $co{'age_string'}.<br/><br/></div>\n";
1917        }
1918        for (my $i = ($page * 100); $i <= $#revlist; $i++) {
1919                my $commit = $revlist[$i];
1920                my $ref = "";
1921                if (defined $refs->{$commit}) {
1922                        $ref = " <span class=\"tag\">" . esc_html($refs->{$commit}) . "</span>";
1923                }
1924                my %co = git_read_commit($commit);
1925                next if !%co;
1926                my %ad = date_str($co{'author_epoch'});
1927                print "<div>\n" .
1928                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "title"},
1929                      "<span class=\"age\">$co{'age_string'}</span>" . esc_html($co{'title'}) . $ref) . "\n";
1930                print "</div>\n";
1931                print "<div class=\"title_text\">\n" .
1932                      "<div class=\"log_link\">\n" .
1933                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit")}, "commit") .
1934                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
1935                      "<br/>\n" .
1936                      "</div>\n" .
1937                      "<i>" . esc_html($co{'author_name'}) .  " [$ad{'rfc2822'}]</i><br/>\n" .
1938                      "</div>\n" .
1939                      "<div class=\"log_body\">\n";
1940                my $comment = $co{'comment'};
1941                my $empty = 0;
1942                foreach my $line (@$comment) {
1943                        if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1944                                next;
1945                        }
1946                        if ($line eq "") {
1947                                if ($empty) {
1948                                        next;
1949                                }
1950                                $empty = 1;
1951                        } else {
1952                                $empty = 0;
1953                        }
1954                        print format_log_line_html($line) . "<br/>\n";
1955                }
1956                if (!$empty) {
1957                        print "<br/>\n";
1958                }
1959                print "</div>\n";
1960        }
1961        git_footer_html();
1962}
1963
1964sub git_commit {
1965        my %co = git_read_commit($hash);
1966        if (!%co) {
1967                die_error(undef, "Unknown commit object.");
1968        }
1969        my %ad = date_str($co{'author_epoch'}, $co{'author_tz'});
1970        my %cd = date_str($co{'committer_epoch'}, $co{'committer_tz'});
1971
1972        my $parent = $co{'parent'};
1973        if (!defined $parent) {
1974                $parent = "--root";
1975        }
1976        open my $fd, "-|", $GIT, "diff-tree", '-r', '-M', $parent, $hash
1977                or die_error(undef, "Open git-diff-tree failed.");
1978        my @difftree = map { chomp; $_ } <$fd>;
1979        close $fd or die_error(undef, "Reading git-diff-tree failed.");
1980
1981        # non-textual hash id's can be cached
1982        my $expires;
1983        if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
1984                $expires = "+1d";
1985        }
1986        my $refs = read_info_ref();
1987        my $ref = "";
1988        if (defined $refs->{$co{'id'}}) {
1989                $ref = " <span class=\"tag\">" . esc_html($refs->{$co{'id'}}) . "</span>";
1990        }
1991        git_header_html(undef, $expires);
1992        my $formats_nav = '';
1993        if (defined $file_name && defined $co{'parent'}) {
1994                my $parent = $co{'parent'};
1995                $formats_nav .= $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blame;hb=$parent;f=$file_name")}, "blame");
1996        }
1997        git_page_nav('commit', defined $co{'parent'} ? '' : 'commitdiff',
1998                                                         $hash, $co{'tree'}, $hash,
1999                                                         $formats_nav);
2000
2001        if (defined $co{'parent'}) {
2002                print "<div>\n" .
2003                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash"), -class => "title"}, esc_html($co{'title'}) . $ref) . "\n" .
2004                      "</div>\n";
2005        } else {
2006                print "<div>\n" .
2007                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash"), -class => "title"}, esc_html($co{'title'})) . "\n" .
2008                      "</div>\n";
2009        }
2010        print "<div class=\"title_text\">\n" .
2011              "<table cellspacing=\"0\">\n";
2012        print "<tr><td>author</td><td>" . esc_html($co{'author'}) . "</td></tr>\n".
2013              "<tr>" .
2014              "<td></td><td> $ad{'rfc2822'}";
2015        if ($ad{'hour_local'} < 6) {
2016                printf(" (<span class=\"atnight\">%02d:%02d</span> %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
2017        } else {
2018                printf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
2019        }
2020        print "</td>" .
2021              "</tr>\n";
2022        print "<tr><td>committer</td><td>" . esc_html($co{'committer'}) . "</td></tr>\n";
2023        print "<tr><td></td><td> $cd{'rfc2822'}" . sprintf(" (%02d:%02d %s)", $cd{'hour_local'}, $cd{'minute_local'}, $cd{'tz_local'}) . "</td></tr>\n";
2024        print "<tr><td>commit</td><td class=\"sha1\">$co{'id'}</td></tr>\n";
2025        print "<tr>" .
2026              "<td>tree</td>" .
2027              "<td class=\"sha1\">" .
2028              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash"), class => "list"}, $co{'tree'}) .
2029              "</td>" .
2030              "<td class=\"link\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") .
2031              "</td>" .
2032              "</tr>\n";
2033        my $parents = $co{'parents'};
2034        foreach my $par (@$parents) {
2035                print "<tr>" .
2036                      "<td>parent</td>" .
2037                      "<td class=\"sha1\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$par"), class => "list"}, $par) . "</td>" .
2038                      "<td class=\"link\">" .
2039                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$par")}, "commit") .
2040                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash;hp=$par")}, "commitdiff") .
2041                      "</td>" .
2042                      "</tr>\n";
2043        }
2044        print "</table>".
2045              "</div>\n";
2046        print "<div class=\"page_body\">\n";
2047        my $comment = $co{'comment'};
2048        my $empty = 0;
2049        my $signed = 0;
2050        foreach my $line (@$comment) {
2051                # print only one empty line
2052                if ($line eq "") {
2053                        if ($empty || $signed) {
2054                                next;
2055                        }
2056                        $empty = 1;
2057                } else {
2058                        $empty = 0;
2059                }
2060                if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
2061                        $signed = 1;
2062                        print "<span class=\"signoff\">" . esc_html($line) . "</span><br/>\n";
2063                } else {
2064                        $signed = 0;
2065                        print format_log_line_html($line) . "<br/>\n";
2066                }
2067        }
2068        print "</div>\n";
2069        print "<div class=\"list_head\">\n";
2070        if ($#difftree > 10) {
2071                print(($#difftree + 1) . " files changed:\n");
2072        }
2073        print "</div>\n";
2074        print "<table class=\"diff_tree\">\n";
2075        my $alternate = 0;
2076        foreach my $line (@difftree) {
2077                # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M      ls-files.c'
2078                # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M      rev-tree.c'
2079                if (!($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/)) {
2080                        next;
2081                }
2082                my $from_mode = $1;
2083                my $to_mode = $2;
2084                my $from_id = $3;
2085                my $to_id = $4;
2086                my $status = $5;
2087                my $similarity = $6;
2088                my $file = validate_input(unquote($7));
2089                if ($alternate) {
2090                        print "<tr class=\"dark\">\n";
2091                } else {
2092                        print "<tr class=\"light\">\n";
2093                }
2094                $alternate ^= 1;
2095                if ($status eq "A") {
2096                        my $mode_chng = "";
2097                        if (S_ISREG(oct $to_mode)) {
2098                                $mode_chng = sprintf(" with mode: %04o", (oct $to_mode) & 0777);
2099                        }
2100                        print "<td>" .
2101                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file"), -class => "list"}, esc_html($file)) . "</td>\n" .
2102                              "<td><span class=\"file_status new\">[new " . file_type($to_mode) . "$mode_chng]</span></td>\n" .
2103                              "<td class=\"link\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, "blob") . "</td>\n";
2104                } elsif ($status eq "D") {
2105                        print "<td>" .
2106                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash;f=$file"), -class => "list"}, esc_html($file)) . "</td>\n" .
2107                              "<td><span class=\"file_status deleted\">[deleted " . file_type($from_mode). "]</span></td>\n" .
2108                              "<td class=\"link\">" .
2109                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash;f=$file")}, "blob") .
2110                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=history;hb=$hash;f=$file")}, "history") .
2111                              "</td>\n"
2112                } elsif ($status eq "M" || $status eq "T") {
2113                        my $mode_chnge = "";
2114                        if ($from_mode != $to_mode) {
2115                                $mode_chnge = " <span class=\"file_status mode_chnge\">[changed";
2116                                if (((oct $from_mode) & S_IFMT) != ((oct $to_mode) & S_IFMT)) {
2117                                        $mode_chnge .= " from " . file_type($from_mode) . " to " . file_type($to_mode);
2118                                }
2119                                if (((oct $from_mode) & 0777) != ((oct $to_mode) & 0777)) {
2120                                        if (S_ISREG($from_mode) && S_ISREG($to_mode)) {
2121                                                $mode_chnge .= sprintf(" mode: %04o->%04o", (oct $from_mode) & 0777, (oct $to_mode) & 0777);
2122                                        } elsif (S_ISREG($to_mode)) {
2123                                                $mode_chnge .= sprintf(" mode: %04o", (oct $to_mode) & 0777);
2124                                        }
2125                                }
2126                                $mode_chnge .= "]</span>\n";
2127                        }
2128                        print "<td>";
2129                        if ($to_id ne $from_id) {
2130                                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));
2131                        } else {
2132                                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file"), -class => "list"}, esc_html($file));
2133                        }
2134                        print "</td>\n" .
2135                              "<td>$mode_chnge</td>\n" .
2136                              "<td class=\"link\">";
2137                        print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, "blob");
2138                        if ($to_id ne $from_id) {
2139                                print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$file")}, "diff");
2140                        }
2141                        print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=history;hb=$hash;f=$file")}, "history") . "\n";
2142                        print "</td>\n";
2143                } elsif ($status eq "R") {
2144                        my ($from_file, $to_file) = split "\t", $file;
2145                        my $mode_chng = "";
2146                        if ($from_mode != $to_mode) {
2147                                $mode_chng = sprintf(", mode: %04o", (oct $to_mode) & 0777);
2148                        }
2149                        print "<td>" .
2150                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$to_file"), -class => "list"}, esc_html($to_file)) . "</td>\n" .
2151                              "<td><span class=\"file_status moved\">[moved from " .
2152                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash;f=$from_file"), -class => "list"}, esc_html($from_file)) .
2153                              " with " . (int $similarity) . "% similarity$mode_chng]</span></td>\n" .
2154                              "<td class=\"link\">" .
2155                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$to_file")}, "blob");
2156                        if ($to_id ne $from_id) {
2157                                print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$to_file")}, "diff");
2158                        }
2159                        print "</td>\n";
2160                }
2161                print "</tr>\n";
2162        }
2163        print "</table>\n";
2164        git_footer_html();
2165}
2166
2167sub git_blobdiff {
2168        mkdir($git_temp, 0700);
2169        git_header_html();
2170        if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
2171                my $formats_nav =
2172                        $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff_plain;h=$hash;hp=$hash_parent")}, "plain");
2173                git_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
2174                print "<div>\n" .
2175                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base"), -class => "title"}, esc_html($co{'title'})) . "\n" .
2176                      "</div>\n";
2177        } else {
2178                print "<div class=\"page_nav\">\n" .
2179                      "<br/><br/></div>\n" .
2180                      "<div class=\"title\">$hash vs $hash_parent</div>\n";
2181        }
2182        git_print_page_path($file_name, "blob");
2183        print "<div class=\"page_body\">\n" .
2184              "<div class=\"diff_info\">blob:" .
2185              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$hash_parent;hb=$hash_base;f=$file_name")}, $hash_parent) .
2186              " -> blob:" .
2187              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$hash;hb=$hash_base;f=$file_name")}, $hash) .
2188              "</div>\n";
2189        git_diff_print($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash);
2190        print "</div>";
2191        git_footer_html();
2192}
2193
2194sub git_blobdiff_plain {
2195        mkdir($git_temp, 0700);
2196        print $cgi->header(-type => "text/plain", -charset => 'utf-8');
2197        git_diff_print($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash, "plain");
2198}
2199
2200sub git_commitdiff {
2201        mkdir($git_temp, 0700);
2202        my %co = git_read_commit($hash);
2203        if (!%co) {
2204                die_error(undef, "Unknown commit object.");
2205        }
2206        if (!defined $hash_parent) {
2207                $hash_parent = $co{'parent'};
2208        }
2209        open my $fd, "-|", $GIT, "diff-tree", '-r', $hash_parent, $hash
2210                or die_error(undef, "Open git-diff-tree failed.");
2211        my @difftree = map { chomp; $_ } <$fd>;
2212        close $fd or die_error(undef, "Reading diff-tree failed.");
2213
2214        # non-textual hash id's can be cached
2215        my $expires;
2216        if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
2217                $expires = "+1d";
2218        }
2219        my $refs = read_info_ref();
2220        my $ref = "";
2221        if (defined $refs->{$co{'id'}}) {
2222                $ref = " <span class=\"tag\">" . esc_html($refs->{$co{'id'}}) . "</span>";
2223        }
2224        git_header_html(undef, $expires);
2225        my $formats_nav =
2226                $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff_plain;h=$hash;hp=$hash_parent")}, "plain");
2227        git_page_nav('commitdiff','', $hash,$co{'tree'},$hash, $formats_nav);
2228        print "<div>\n" .
2229              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash"), -class => "title"}, esc_html($co{'title'}) . $ref) . "\n" .
2230              "</div>\n";
2231        print "<div class=\"page_body\">\n";
2232        my $comment = $co{'comment'};
2233        my $empty = 0;
2234        my $signed = 0;
2235        my @log = @$comment;
2236        # remove first and empty lines after that
2237        shift @log;
2238        while (defined $log[0] && $log[0] eq "") {
2239                shift @log;
2240        }
2241        foreach my $line (@log) {
2242                if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
2243                        next;
2244                }
2245                if ($line eq "") {
2246                        if ($empty) {
2247                                next;
2248                        }
2249                        $empty = 1;
2250                } else {
2251                        $empty = 0;
2252                }
2253                print format_log_line_html($line) . "<br/>\n";
2254        }
2255        print "<br/>\n";
2256        foreach my $line (@difftree) {
2257                # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M      ls-files.c'
2258                # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M      rev-tree.c'
2259                $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/;
2260                my $from_mode = $1;
2261                my $to_mode = $2;
2262                my $from_id = $3;
2263                my $to_id = $4;
2264                my $status = $5;
2265                my $file = validate_input(unquote($6));
2266                if ($status eq "A") {
2267                        print "<div class=\"diff_info\">" . file_type($to_mode) . ":" .
2268                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, $to_id) . "(new)" .
2269                              "</div>\n";
2270                        git_diff_print(undef, "/dev/null", $to_id, "b/$file");
2271                } elsif ($status eq "D") {
2272                        print "<div class=\"diff_info\">" . file_type($from_mode) . ":" .
2273                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash;f=$file")}, $from_id) . "(deleted)" .
2274                              "</div>\n";
2275                        git_diff_print($from_id, "a/$file", undef, "/dev/null");
2276                } elsif ($status eq "M") {
2277                        if ($from_id ne $to_id) {
2278                                print "<div class=\"diff_info\">" .
2279                                      file_type($from_mode) . ":" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash;f=$file")}, $from_id) .
2280                                      " -> " .
2281                                      file_type($to_mode) . ":" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, $to_id);
2282                                print "</div>\n";
2283                                git_diff_print($from_id, "a/$file",  $to_id, "b/$file");
2284                        }
2285                }
2286        }
2287        print "<br/>\n" .
2288              "</div>";
2289        git_footer_html();
2290}
2291
2292sub git_commitdiff_plain {
2293        mkdir($git_temp, 0700);
2294        open my $fd, "-|", $GIT, "diff-tree", '-r', $hash_parent, $hash
2295                or die_error(undef, "Open git-diff-tree failed.");
2296        my @difftree = map { chomp; $_ } <$fd>;
2297        close $fd or die_error(undef, "Reading diff-tree failed.");
2298
2299        # try to figure out the next tag after this commit
2300        my $tagname;
2301        my $refs = read_info_ref("tags");
2302        open $fd, "-|", $GIT, "rev-list", "HEAD";
2303        my @commits = map { chomp; $_ } <$fd>;
2304        close $fd;
2305        foreach my $commit (@commits) {
2306                if (defined $refs->{$commit}) {
2307                        $tagname = $refs->{$commit}
2308                }
2309                if ($commit eq $hash) {
2310                        last;
2311                }
2312        }
2313
2314        print $cgi->header(-type => "text/plain", -charset => 'utf-8', '-content-disposition' => "inline; filename=\"git-$hash.patch\"");
2315        my %co = git_read_commit($hash);
2316        my %ad = date_str($co{'author_epoch'}, $co{'author_tz'});
2317        my $comment = $co{'comment'};
2318        print "From: $co{'author'}\n" .
2319              "Date: $ad{'rfc2822'} ($ad{'tz_local'})\n".
2320              "Subject: $co{'title'}\n";
2321        if (defined $tagname) {
2322                print "X-Git-Tag: $tagname\n";
2323        }
2324        print "X-Git-Url: $my_url?p=$project;a=commitdiff;h=$hash\n" .
2325              "\n";
2326
2327        foreach my $line (@$comment) {;
2328                print "$line\n";
2329        }
2330        print "---\n\n";
2331
2332        foreach my $line (@difftree) {
2333                $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/;
2334                my $from_id = $3;
2335                my $to_id = $4;
2336                my $status = $5;
2337                my $file = $6;
2338                if ($status eq "A") {
2339                        git_diff_print(undef, "/dev/null", $to_id, "b/$file", "plain");
2340                } elsif ($status eq "D") {
2341                        git_diff_print($from_id, "a/$file", undef, "/dev/null", "plain");
2342                } elsif ($status eq "M") {
2343                        git_diff_print($from_id, "a/$file",  $to_id, "b/$file", "plain");
2344                }
2345        }
2346}
2347
2348sub git_history {
2349        if (!defined $hash_base) {
2350                $hash_base = git_read_head($project);
2351        }
2352        my $ftype;
2353        my %co = git_read_commit($hash_base);
2354        if (!%co) {
2355                die_error(undef, "Unknown commit object.");
2356        }
2357        my $refs = read_info_ref();
2358        git_header_html();
2359        git_page_nav('','', $hash_base,$co{'tree'},$hash_base);
2360        print "<div>\n" .
2361              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base"), -class => "title"}, esc_html($co{'title'})) . "\n" .
2362              "</div>\n";
2363        if (!defined $hash && defined $file_name) {
2364                $hash = git_get_hash_by_path($hash_base, $file_name);
2365        }
2366        if (defined $hash) {
2367                $ftype = git_get_type($hash);
2368        }
2369        git_print_page_path($file_name, $ftype);
2370
2371        open my $fd, "-|",
2372                $GIT, "rev-list", "--full-history", $hash_base, "--", "\'$file_name\'";
2373        print "<table cellspacing=\"0\">\n";
2374        my $alternate = 0;
2375        while (my $line = <$fd>) {
2376                if ($line =~ m/^([0-9a-fA-F]{40})/){
2377                        my $commit = $1;
2378                        my %co = git_read_commit($commit);
2379                        if (!%co) {
2380                                next;
2381                        }
2382                        my $ref = "";
2383                        if (defined $refs->{$commit}) {
2384                                $ref = " <span class=\"tag\">" . esc_html($refs->{$commit}) . "</span>";
2385                        }
2386                        if ($alternate) {
2387                                print "<tr class=\"dark\">\n";
2388                        } else {
2389                                print "<tr class=\"light\">\n";
2390                        }
2391                        $alternate ^= 1;
2392                        print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2393                              "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 3)) . "</i></td>\n" .
2394                              "<td>" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "list"}, "<b>" .
2395                              esc_html(chop_str($co{'title'}, 50)) . "$ref</b>") . "</td>\n" .
2396                              "<td class=\"link\">" .
2397                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit")}, "commit") .
2398                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
2399                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;hb=$commit;f=$file_name")}, "blob");
2400                        my $blob = git_get_hash_by_path($hash_base, $file_name);
2401                        my $blob_parent = git_get_hash_by_path($commit, $file_name);
2402                        if (defined $blob && defined $blob_parent && $blob ne $blob_parent) {
2403                                print " | " .
2404                                $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff;h=$blob;hp=$blob_parent;hb=$commit;f=$file_name")},
2405                                "diff to current");
2406                        }
2407                        print "</td>\n" .
2408                              "</tr>\n";
2409                }
2410        }
2411        print "</table>\n";
2412        close $fd;
2413        git_footer_html();
2414}
2415
2416sub git_search {
2417        if (!defined $searchtext) {
2418                die_error("", "Text field empty.");
2419        }
2420        if (!defined $hash) {
2421                $hash = git_read_head($project);
2422        }
2423        my %co = git_read_commit($hash);
2424        if (!%co) {
2425                die_error(undef, "Unknown commit object.");
2426        }
2427        # pickaxe may take all resources of your box and run for several minutes
2428        # with every query - so decide by yourself how public you make this feature :)
2429        my $commit_search = 1;
2430        my $author_search = 0;
2431        my $committer_search = 0;
2432        my $pickaxe_search = 0;
2433        if ($searchtext =~ s/^author\\://i) {
2434                $author_search = 1;
2435        } elsif ($searchtext =~ s/^committer\\://i) {
2436                $committer_search = 1;
2437        } elsif ($searchtext =~ s/^pickaxe\\://i) {
2438                $commit_search = 0;
2439                $pickaxe_search = 1;
2440        }
2441        git_header_html();
2442        git_page_nav('','', $hash,$co{'tree'},$hash);
2443
2444        print "<div>\n" .
2445              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash"), -class => "title"}, esc_html($co{'title'})) . "\n" .
2446              "</div>\n";
2447        print "<table cellspacing=\"0\">\n";
2448        my $alternate = 0;
2449        if ($commit_search) {
2450                $/ = "\0";
2451                open my $fd, "-|", $GIT, "rev-list", "--header", "--parents", $hash or next;
2452                while (my $commit_text = <$fd>) {
2453                        if (!grep m/$searchtext/i, $commit_text) {
2454                                next;
2455                        }
2456                        if ($author_search && !grep m/\nauthor .*$searchtext/i, $commit_text) {
2457                                next;
2458                        }
2459                        if ($committer_search && !grep m/\ncommitter .*$searchtext/i, $commit_text) {
2460                                next;
2461                        }
2462                        my @commit_lines = split "\n", $commit_text;
2463                        my %co = git_read_commit(undef, \@commit_lines);
2464                        if (!%co) {
2465                                next;
2466                        }
2467                        if ($alternate) {
2468                                print "<tr class=\"dark\">\n";
2469                        } else {
2470                                print "<tr class=\"light\">\n";
2471                        }
2472                        $alternate ^= 1;
2473                        print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2474                              "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
2475                              "<td>" .
2476                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}"), -class => "list"}, "<b>" . esc_html(chop_str($co{'title'}, 50)) . "</b><br/>");
2477                        my $comment = $co{'comment'};
2478                        foreach my $line (@$comment) {
2479                                if ($line =~ m/^(.*)($searchtext)(.*)$/i) {
2480                                        my $lead = esc_html($1) || "";
2481                                        $lead = chop_str($lead, 30, 10);
2482                                        my $match = esc_html($2) || "";
2483                                        my $trail = esc_html($3) || "";
2484                                        $trail = chop_str($trail, 30, 10);
2485                                        my $text = "$lead<span class=\"match\">$match</span>$trail";
2486                                        print chop_str($text, 80, 5) . "<br/>\n";
2487                                }
2488                        }
2489                        print "</td>\n" .
2490                              "<td class=\"link\">" .
2491                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}")}, "commit") .
2492                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$co{'id'}")}, "tree");
2493                        print "</td>\n" .
2494                              "</tr>\n";
2495                }
2496                close $fd;
2497        }
2498
2499        if ($pickaxe_search) {
2500                $/ = "\n";
2501                open my $fd, "-|", "$GIT rev-list $hash | $GIT diff-tree -r --stdin -S\'$searchtext\'";
2502                undef %co;
2503                my @files;
2504                while (my $line = <$fd>) {
2505                        if (%co && $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/) {
2506                                my %set;
2507                                $set{'file'} = $6;
2508                                $set{'from_id'} = $3;
2509                                $set{'to_id'} = $4;
2510                                $set{'id'} = $set{'to_id'};
2511                                if ($set{'id'} =~ m/0{40}/) {
2512                                        $set{'id'} = $set{'from_id'};
2513                                }
2514                                if ($set{'id'} =~ m/0{40}/) {
2515                                        next;
2516                                }
2517                                push @files, \%set;
2518                        } elsif ($line =~ m/^([0-9a-fA-F]{40})$/){
2519                                if (%co) {
2520                                        if ($alternate) {
2521                                                print "<tr class=\"dark\">\n";
2522                                        } else {
2523                                                print "<tr class=\"light\">\n";
2524                                        }
2525                                        $alternate ^= 1;
2526                                        print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2527                                              "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
2528                                              "<td>" .
2529                                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}"), -class => "list"}, "<b>" .
2530                                              esc_html(chop_str($co{'title'}, 50)) . "</b><br/>");
2531                                        while (my $setref = shift @files) {
2532                                                my %set = %$setref;
2533                                                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$set{'id'};hb=$co{'id'};f=$set{'file'}"), class => "list"},
2534                                                      "<span class=\"match\">" . esc_html($set{'file'}) . "</span>") .
2535                                                      "<br/>\n";
2536                                        }
2537                                        print "</td>\n" .
2538                                              "<td class=\"link\">" .
2539                                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}")}, "commit") .
2540                                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$co{'id'}")}, "tree");
2541                                        print "</td>\n" .
2542                                              "</tr>\n";
2543                                }
2544                                %co = git_read_commit($1);
2545                        }
2546                }
2547                close $fd;
2548        }
2549        print "</table>\n";
2550        git_footer_html();
2551}
2552
2553sub git_shortlog {
2554        my $head = git_read_head($project);
2555        if (!defined $hash) {
2556                $hash = $head;
2557        }
2558        if (!defined $page) {
2559                $page = 0;
2560        }
2561        my $refs = read_info_ref();
2562
2563        my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
2564        open my $fd, "-|", $GIT, "rev-list", $limit, $hash
2565                or die_error(undef, "Open git-rev-list failed.");
2566        my @revlist = map { chomp; $_ } <$fd>;
2567        close $fd;
2568
2569        my $paging_nav = git_get_paging_nav('shortlog', $hash, $head, $page, $#revlist);
2570
2571        git_header_html();
2572        git_page_nav('shortlog','', $hash,$hash,$hash, $paging_nav);
2573
2574        print "<div>\n" .
2575              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary"), -class => "title"}, "&nbsp;") .
2576              "</div>\n";
2577        print "<table cellspacing=\"0\">\n";
2578        my $alternate = 0;
2579        for (my $i = ($page * 100); $i <= $#revlist; $i++) {
2580                my $commit = $revlist[$i];
2581                my $ref = "";
2582                if (defined $refs->{$commit}) {
2583                        $ref = " <span class=\"tag\">" . esc_html($refs->{$commit}) . "</span>";
2584                }
2585                my %co = git_read_commit($commit);
2586                my %ad = date_str($co{'author_epoch'});
2587                if ($alternate) {
2588                        print "<tr class=\"dark\">\n";
2589                } else {
2590                        print "<tr class=\"light\">\n";
2591                }
2592                $alternate ^= 1;
2593                print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2594                      "<td><i>" . esc_html(chop_str($co{'author_name'}, 10)) . "</i></td>\n" .
2595                      "<td>";
2596                if (length($co{'title_short'}) < length($co{'title'})) {
2597                        print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "list", -title => "$co{'title'}"},
2598                              "<b>" . esc_html($co{'title_short'}) . "$ref</b>");
2599                } else {
2600                        print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit"), -class => "list"},
2601                              "<b>" . esc_html($co{'title_short'}) . "$ref</b>");
2602                }
2603                print "</td>\n" .
2604                      "<td class=\"link\">" .
2605                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit")}, "commit") .
2606                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
2607                      "</td>\n" .
2608                      "</tr>";
2609        }
2610        if ($#revlist >= (100 * ($page+1)-1)) {
2611                print "<tr>\n" .
2612                      "<td>" .
2613                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash;pg=" . ($page+1)), -title => "Alt-n"}, "next") .
2614                      "</td>\n" .
2615                      "</tr>\n";
2616        }
2617        print "</table\n>";
2618        git_footer_html();
2619}