Andrew's git / gitweb.git / gitweb.cgi
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gitweb.cgion commit v085 (6191f8e)
   1#!/usr/bin/perl
   2
   3# gitweb.pl - simple web interface to track changes in git repositories
   4#
   5# (C) 2005, Kay Sievers <kay.sievers@vrfy.org>
   6# (C) 2005, Christian Gierke <ch@gierke.de>
   7#
   8# This file is licensed under the GPL v2, or a later version
   9
  10use strict;
  11use warnings;
  12use CGI qw(:standard :escapeHTML);
  13use CGI::Carp qw(fatalsToBrowser);
  14
  15my $cgi = new CGI;
  16
  17my $version =           "085";
  18my $projectroot =       "/pub/scm";
  19my $home_link =         "/git";
  20my $gitbin =            "/usr/bin";
  21my $gittmp =            "/tmp/gitweb";
  22my $logo_link =         "/pub/software/scm/cogito";
  23my $my_url =            $cgi->url();
  24my $my_uri =            $cgi->url(-absolute => 1);
  25my $rss_link = "";
  26
  27my $project = $cgi->param('p');
  28if (defined($project)) {
  29        if ($project =~ /(^|\/)(|\.|\.\.)($|\/)/) {
  30                $project = "";
  31                die_error("", "Invalid project parameter.");
  32        }
  33        if (!(-d "$projectroot/$project")) {
  34                $project = "";
  35                die_error("", "No such project.");
  36        }
  37        $rss_link = "<link rel=\"alternate\" title=\"$project log\" href=\"$my_uri?p=$project;a=rss\" type=\"application/rss+xml\"/>";
  38}
  39
  40my $file_name = $cgi->param('f');
  41if (defined($file_name) && $file_name =~ /(^|\/)(|\.|\.\.)($|\/)/) {
  42        $file_name = "";
  43        die_error("", "Invalid file parameter.");
  44}
  45
  46my $action = $cgi->param('a');
  47if (defined($action) && $action =~ m/[^0-9a-zA-Z\.\-]+$/) {
  48        $action = "";
  49        die_error("", "Invalid action parameter.");
  50}
  51
  52my $hash = $cgi->param('h');
  53if (defined($hash) && !($hash =~ m/^[0-9a-fA-F]{40}$/)) {
  54        $hash = "";
  55        die_error("", "Invalid hash parameter.");
  56}
  57
  58my $hash_parent = $cgi->param('hp');
  59if (defined($hash_parent) && !($hash_parent =~ m/^[0-9a-fA-F]{40}$/)) {
  60        $hash_parent = "";
  61        die_error("", "Invalid parent hash parameter.");
  62}
  63
  64my $time_back = $cgi->param('t');
  65if (defined($time_back) && !($time_back =~ m/^[0-9]+$/)) {
  66        $time_back = "";
  67        die_error("", "Invalid time parameter.");
  68}
  69
  70$ENV{'SHA1_FILE_DIRECTORY'} = "$projectroot/$project/objects";
  71mkdir($gittmp, 0700);
  72
  73sub git_header_html {
  74        my $status = shift || "200 OK";
  75
  76        print $cgi->header(-type=>'text/html',  -charset => 'utf-8', -status=> $status);
  77        print <<EOF;
  78<?xml version="1.0" encoding="utf-8"?>
  79<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
  80<!-- git web interface v$version, (C) 2005, Kay Sievers <kay.sievers\@vrfy.org>, Christian Gierke <ch\@gierke.de> -->
  81<html>
  82<head>
  83<title>git - $project</title>
  84$rss_link
  85<style type="text/css">
  86body { font-family: sans-serif; font-size: 12px; margin:0px; }
  87a { color:#0000cc; }
  88a:hover { color:#880000; }
  89a:visited { color:#880000; }
  90a:active { color:#880000; }
  91div.page_header {
  92        margin:15px 25px 0px; height:25px; padding:8px;
  93        font-size:18px; font-weight:bold; background-color:#d9d8d1;
  94}
  95div.page_header a:visited { color:#0000cc; }
  96div.page_header a:hover { color:#880000; }
  97div.page_nav { margin:0px 25px; padding:8px; border:solid #d9d8d1; border-width:0px 1px; }
  98div.page_nav a:visited { color:#0000cc; }
  99div.page_footer { margin:0px 25px 15px; height:17px; padding:4px; padding-left:8px; background-color: #d9d8d1; }
 100div.page_footer_text { float:left; color:#555555; font-style:italic; }
 101div.page_body { margin:0px 25px; padding:8px; border:solid #d9d8d1; border-width:0px 1px; }
 102div.title, a.title {
 103        display:block; margin:0px 25px; padding:6px 8px;
 104        font-weight:bold; background-color:#edece6; text-decoration:none; color:#000000;
 105}
 106a.title:hover { background-color: #d9d8d1; }
 107div.title_text { margin:0px 25px; padding:6px 8px; border: solid #d9d8d1; border-width:0px 1px 1px; }
 108div.log_body { margin:0px 25px; padding:8px; padding-left:150px; border:solid #d9d8d1; border-width:0px 1px; }
 109span.log_age { position:relative; float:left; width:142px; font-style:italic; }
 110div.log_link { font-size:10px; font-family:sans-serif; font-style:normal; position:relative; float:left; width:142px; }
 111div.list {
 112        display:block; margin:0px 25px; padding:4px 6px 2px; border:solid #d9d8d1; border-width:1px 1px 0px;
 113        font-weight:bold;
 114}
 115div.list_head {
 116        display:block; margin:0px 25px; padding:4px 6px 4px; border:solid #d9d8d1; border-width:1px 1px 0px;
 117        font-style:italic;
 118}
 119div.list a { text-decoration:none; color:#000000; }
 120div.list a:hover { color:#880000; }
 121div.link {
 122        margin:0px 25px; padding:0px 6px 8px; border:solid #d9d8d1; border-width:0px 1px;
 123        font-family:sans-serif; font-size:10px;
 124}
 125td.key { padding-right:10px;  }
 126a.xml_logo { float:right; border:1px solid;
 127        line-height:15px;
 128        border-color:#fcc7a5 #7d3302 #3e1a01 #ff954e; width:35px;
 129        color:#ffffff; background-color:#ff6600;
 130        font-weight:bold; font-family:sans-serif; text-align:center;
 131        font-size:10px; display:block; text-decoration:none;
 132}
 133a.xml_logo:hover { background-color:#ee5500; }
 134</style>
 135</head>
 136<body>
 137EOF
 138        print "<div class=\"page_header\">\n" .
 139              "<a href=\"$logo_link\">" .
 140              "<img src=\"$my_uri?a=git-logo.png\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/></a>";
 141        print $cgi->a({-href => "$my_uri"}, "projects") . " / ";
 142        if ($project ne "") {
 143                print $cgi->a({-href => "$my_uri?p=$project;a=log"}, escapeHTML($project));
 144        }
 145        if ($action ne "") {
 146                print " / $action";
 147        }
 148        print "</div>\n";
 149}
 150
 151sub git_footer_html {
 152        print "<div class=\"page_footer\">\n";
 153        if ($project ne "") {
 154                if (-e "$projectroot/$project/description") {
 155                        open(my $fd, "$projectroot/$project/description");
 156                        my $descr = <$fd>;
 157                        print "<div class=\"page_footer_text\">" . escapeHTML($descr) . "</div>\n";
 158                        close $fd;
 159                }
 160                print $cgi->a({-href => "$my_uri?p=$project;a=rss", -class => "xml_logo"}, "XML") . "\n";
 161        }
 162        print "</div>\n" .
 163              "</body>\n" .
 164              "</html>";
 165}
 166
 167sub die_error {
 168        my $status = shift || "403 Forbidden";
 169        my $error = shift || "Malformed query, file missing or permission denied"; 
 170
 171        git_header_html($status);
 172        print "<div class=\"page_body\">\n" .
 173              "<br/><br/>\n";
 174        print "$status - $error\n";
 175        print "<br/></div>\n";
 176        git_footer_html();
 177        exit 0;
 178}
 179
 180sub git_head {
 181        my $path = shift;
 182        open(my $fd, "$projectroot/$path/HEAD") || die_error("", "Invalid project directory.");
 183        my $head = <$fd>;
 184        close $fd;
 185        chomp $head;
 186        return $head;
 187}
 188
 189sub git_commit {
 190        my $commit = shift;
 191        my %co;
 192        my @parents;
 193
 194        open my $fd, "-|", "$gitbin/cat-file commit $commit";
 195        while (my $line = <$fd>) {
 196                chomp($line);
 197                last if $line eq "";
 198                if ($line =~ m/^tree (.*)$/) {
 199                        $co{'tree'} = $1;
 200                } elsif ($line =~ m/^parent (.*)$/) {
 201                        push @parents, $1;
 202                } elsif ($line =~ m/^author (.*) ([0-9]+) (.*)$/) {
 203                        $co{'author'} = $1;
 204                        $co{'author_epoch'} = $2;
 205                        $co{'author_tz'} = $3;
 206                        $co{'author_name'} = $co{'author'};
 207                        $co{'author_name'} =~ s/ <.*//;
 208                } elsif ($line =~ m/^committer (.*) ([0-9]+) (.*)$/) {
 209                        $co{'committer'} = $1;
 210                        $co{'committer_epoch'} = $2;
 211                        $co{'committer_tz'} = $3;
 212                        $co{'committer_name'} = $co{'committer'};
 213                        $co{'committer_name'} =~ s/ <.*//;
 214                }
 215        }
 216        if (!defined($co{'tree'})) {
 217                return;
 218        }
 219        $co{'parents'} = \@parents;
 220        $co{'parent'} = $parents[0];
 221        my (@comment) = map { chomp; $_ } <$fd>;
 222        $co{'comment'} = \@comment;
 223        $co{'title'} = $comment[0];
 224        close $fd;
 225
 226        my $age = time - $co{'committer_epoch'};
 227        $co{'age'} = $age;
 228        if ($age > 60*60*24*365*2) {
 229                $co{'age_string'} = (int $age/60/60/24/365);
 230                $co{'age_string'} .= " years ago";
 231        } elsif ($age > 60*60*24*365/12*2) {
 232                $co{'age_string'} = int $age/60/60/24/365/12;
 233                $co{'age_string'} .= " months ago";
 234        } elsif ($age > 60*60*24*7*2) {
 235                $co{'age_string'} = int $age/60/60/24/7;
 236                $co{'age_string'} .= " weeks ago";
 237        } elsif ($age > 60*60*24*2) {
 238                $co{'age_string'} = int $age/60/60/24;
 239                $co{'age_string'} .= " days ago";
 240        } elsif ($age > 60*60*2) {
 241                $co{'age_string'} = int $age/60/60;
 242                $co{'age_string'} .= " hours ago";
 243        } elsif ($age > 60*2) {
 244                $co{'age_string'} = int $age/60;
 245                $co{'age_string'} .= " minutes ago";
 246        }
 247        return %co;
 248}
 249
 250sub git_diff_html {
 251        my $from_name = shift || "/dev/null";
 252        my $to_name = shift || "/dev/null";
 253        my $from = shift;
 254        my $to = shift;
 255
 256        my $from_tmp = "/dev/null";
 257        my $to_tmp = "/dev/null";
 258        my $from_label = "/dev/null";
 259        my $to_label = "/dev/null";
 260        my $pid = $$;
 261
 262        # create tmp from-file
 263        if ($from ne "") {
 264                $from_tmp = "$gittmp/gitweb_" . $$ . "_from";
 265                open(my $fd2, "> $from_tmp");
 266                open my $fd, "-|", "$gitbin/cat-file blob $from";
 267                my @file = <$fd>;
 268                print $fd2 @file;
 269                close $fd2;
 270                close $fd;
 271                $from_label = "a/$from_name";
 272        }
 273
 274        # create tmp to-file
 275        if ($to ne "") {
 276                $to_tmp = "$gittmp/gitweb_" . $$ . "_to";
 277                open my $fd2, "> $to_tmp";
 278                open my $fd, "-|", "$gitbin/cat-file blob $to";
 279                my @file = <$fd>;
 280                print $fd2 @file;
 281                close $fd2;
 282                close $fd;
 283                $to_label = "b/$to_name";
 284        }
 285
 286        open my $fd, "-|", "/usr/bin/diff -u -p -L $from_label -L $to_label $from_tmp $to_tmp";
 287        print "<span style=\"color: #000099;\">===== ";
 288        if ($from ne "") {
 289                print $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$from"}, $from);
 290        } else {
 291                print $from_name;
 292        }
 293        print " vs ";
 294        if ($to ne "") {
 295                print $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to"}, $to);
 296        } else {
 297                print $to_name;
 298        }
 299        print " =====</span>\n";
 300        while (my $line = <$fd>) {
 301                my $char = substr($line,0,1);
 302                print '<span style="color: #008800;">' if $char eq '+';
 303                print '<span style="color: #CC0000;">' if $char eq '-';
 304                print '<span style="color: #990099;">' if $char eq '@';
 305                print escapeHTML($line);
 306                print '</span>' if $char eq '+' or $char eq '-' or $char eq '@';
 307        }
 308        close $fd;
 309
 310        if ($from ne "") {
 311                unlink("$from_tmp");
 312        }
 313        if ($to ne "") {
 314                unlink("$to_tmp");
 315        }
 316}
 317
 318sub mode_str {
 319        my $perms = oct shift;
 320        my $modestr;
 321        if ($perms & 040000) {
 322                $modestr .= 'drwxr-xr-x';
 323        } else {
 324                # git cares only about the executable bit
 325                if ($perms & 0100) {
 326                        $modestr .= '-rwxr-xr-x';
 327                } else {
 328                        $modestr .= '-rw-r--r--';
 329                };
 330        }
 331        return $modestr;
 332}
 333
 334sub date_str {
 335        my $epoch = shift;
 336        my $tz = shift || "-0000";
 337
 338        my %date;
 339        my @months = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
 340        my @days = ("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat");
 341        my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($epoch);
 342        $date{'hour'} = $hour;
 343        $date{'minute'} = $min;
 344        $date{'mday'} = $mday;
 345        $date{'day'} = $days[$wday];
 346        $date{'month'} = $months[$mon];
 347        $date{'rfc2822'} = sprintf "%s, %d %s %4d %02d:%02d:%02d +0000", $days[$wday], $mday, $months[$mon], 1900+$year, $hour ,$min, $sec;
 348        $date{'mday-time'} = sprintf "%d %s %02d:%02d", $mday, $months[$mon], $hour ,$min;
 349
 350        $tz =~ m/((-|\+)[0-9][0-9])([0-9][0-9])/;
 351        my $local = $epoch + (($1 + ($2/60)) * 3600);
 352        ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($local);
 353        $date{'hour_local'} = $hour;
 354        $date{'minute_local'} = $min;
 355        $date{'tz_local'} = $tz;
 356        return %date;
 357}
 358
 359if ($action eq "git-logo.png") {
 360        print $cgi->header(-type => 'image/png', -expires => '+1d');
 361        print   "\211\120\116\107\015\012\032\012\000\000\000\015\111\110\104\122".
 362                "\000\000\000\110\000\000\000\033\004\003\000\000\000\055\331\324".
 363                "\055\000\000\000\030\120\114\124\105\377\377\377\140\140\135\260".
 364                "\257\252\000\200\000\316\315\307\300\000\000\350\350\346\367\367".
 365                "\366\225\014\247\107\000\000\000\163\111\104\101\124\050\317\143".
 366                "\110\147\040\004\112\134\030\012\010\052\142\123\141\040\002\010".
 367                "\015\151\105\254\241\241\001\060\014\223\140\066\046\122\221\261".
 368                "\001\021\326\341\125\144\154\154\314\154\154\014\242\014\160\052".
 369                "\142\006\052\301\142\035\263\001\002\123\244\010\350\000\003\030".
 370                "\046\126\021\324\341\040\227\033\340\264\016\065\044\161\051\202".
 371                "\231\060\270\223\012\021\271\105\210\301\215\240\242\104\041\006".
 372                "\047\101\202\100\205\301\105\211\040\160\001\000\244\075\041\305".
 373                "\022\034\232\376\000\000\000\000\111\105\116\104\256\102\140\202";
 374        exit;
 375}
 376
 377if (!defined($project)) {
 378        print $cgi->redirect($home_link);
 379        exit;
 380}
 381
 382if (!defined($action)) {
 383        $action = "log";
 384}
 385
 386if (!defined($time_back)) {
 387        $time_back = 1;
 388}
 389
 390if ($action eq "blob") {
 391        git_header_html();
 392        print "<div class=\"page_nav\">\n";
 393        print "<br/><br/></div>\n";
 394        print "<div class=\"title\">$hash</div>\n";
 395        print "<div class=\"page_body\"><pre>\n";
 396        open(my $fd, "-|", "$gitbin/cat-file blob $hash");
 397        my $nr;
 398        while (my $line = <$fd>) {
 399                $nr++;
 400                printf "<span style =\"color: #999999;\">%4i\t</span>%s", $nr, escapeHTML($line);;
 401        }
 402        close $fd;
 403        print "<br/></pre>\n";
 404        print "</div>";
 405        git_footer_html();
 406} elsif ($action eq "tree") {
 407        if ($hash eq "") {
 408                $hash = git_head($project);
 409        }
 410        open my $fd, "-|", "$gitbin/ls-tree $hash";
 411        my (@entries) = map { chomp; $_ } <$fd>;
 412        close $fd;
 413
 414        git_header_html();
 415        my %co = git_commit($hash);
 416        if (defined(%co)) {
 417                print "<div class=\"page_nav\"> view\n" .
 418                      $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") . " | " .
 419                      $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "diffs") . " | " .
 420                      $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$hash"}, "tree") .
 421                      "<br/><br/>\n" .
 422                      "</div>\n";
 423                print "<div>\n" .
 424                      $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
 425                      "</div>\n";
 426        } else {
 427                print "<div class=\"page_nav\">\n";
 428                print "<br/><br/></div>\n";
 429                print "<div class=\"title\">$hash</div>\n";
 430        }
 431        print "<div class=\"page_body\">\n";
 432        print "<br/><pre>\n";
 433        foreach my $line (@entries) {
 434                #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
 435                $line =~ m/^([0-9]+)\t(.*)\t(.*)\t(.*)$/;
 436                my $t_mode = $1;
 437                my $t_type = $2;
 438                my $t_hash = $3;
 439                my $t_name = $4;
 440                if ($t_type eq "blob") {
 441                        print mode_str($t_mode). " " . $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$t_hash"}, $t_name) . "\n";
 442                } elsif ($t_type eq "tree") {
 443                        print mode_str($t_mode). " " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$t_hash"}, $t_name) . "\n";
 444                }
 445        }
 446        print "</pre>\n";
 447        print "<br/></div>";
 448        git_footer_html();
 449} elsif ($action eq "log" || $action eq "rss") {
 450        open my $fd, "-|", "$gitbin/rev-list " . git_head($project);
 451        my (@revlist) = map { chomp; $_ } <$fd>;
 452        close $fd;
 453
 454        if ($action eq "log") {
 455                git_header_html();
 456                print "<div class=\"page_nav\">\n";
 457                print "view  ";
 458                print $cgi->a({-href => "$my_uri?p=$project;a=log"}, "last day") . " | " .
 459                      $cgi->a({-href => "$my_uri?p=$project;a=log;t=7"}, "week") . " | " .
 460                      $cgi->a({-href => "$my_uri?p=$project;a=log;t=31"}, "month") . " | " .
 461                      $cgi->a({-href => "$my_uri?p=$project;a=log;t=365"}, "year") . " | " .
 462                      $cgi->a({-href => "$my_uri?p=$project;a=log;t=0"}, "all") . "<br/>\n";
 463                print "<br/><br/>\n" .
 464                      "</div>\n";
 465        } elsif ($action eq "rss") {
 466                print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
 467                print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
 468                      "<rss version=\"0.91\">\n";
 469                print "<channel>\n";
 470                print "<title>$project</title>\n".
 471                      "<link> " . $my_url . "/$project/log</link>\n".
 472                      "<description>$project log</description>\n".
 473                      "<language>en</language>\n";
 474        }
 475
 476        for (my $i = 0; $i <= $#revlist; $i++) {
 477                my $commit = $revlist[$i];
 478                my %co = git_commit($commit);
 479                my %ad = date_str($co{'author_epoch'});
 480                if ($action eq "log") {
 481                if ($time_back > 0 && $co{'age'} > $time_back*60*60*24) {
 482                                if ($i == 0) {
 483                                        print "<div class=\"page_body\"> Last change " . $co{'age_string'} . ".<br/><br/></div>\n";
 484                                }
 485                                last;
 486                        }
 487                        print "<div>\n" .
 488                              $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit", -class => "title"}, 
 489                              "<span class=\"log_age\">" . $co{'age_string'} . "</span>" . escapeHTML($co{'title'})) . "\n" .
 490                              "</div>\n";
 491                        print "<div class=\"title_text\">\n" .
 492                              "<div class=\"log_link\">\n" .
 493                              "view " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"}, "commit") . " | " .
 494                              $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$commit"}, "diff") . "<br/>\n" .
 495                              "</div>\n" .
 496                              "<i>" . escapeHTML($co{'author_name'}) .  " [" . $ad{'rfc2822'} . "]</i><br/>\n" .
 497                              "</div>\n" .
 498                              "<div class=\"log_body\">\n";
 499                        my $comment = $co{'comment'};
 500                        foreach my $line (@$comment) {
 501                                last if ($line =~ m/^(signed-off|acked)-by:/i);
 502                                print escapeHTML($line) . "<br/>\n";
 503                        }
 504                        print "<br/>\n" .
 505                              "</div>\n";
 506                } elsif ($action eq "rss") {
 507                        last if ($i >= 20);
 508                        print "<item>\n" .
 509                              "\t<title>" . sprintf("%d %s %02d:%02d", $ad{'mday'}, $ad{'month'}, $ad{'hour'}, $ad{'min'}) . " - " . escapeHTML($co{'title'}) . "</title>\n" .
 510                              "\t<link> " . $my_url . "?p=$project;a=commit;h=$commit</link>\n" .
 511                              "\t<description>";
 512                        my $comment = $co{'comment'};
 513                        foreach my $line (@$comment) {
 514                                print escapeHTML($line) . "\n";
 515                        }
 516                        print "\t</description>\n" .
 517                              "</item>\n";
 518                }
 519        }
 520        if ($action eq "log") {
 521                git_footer_html();
 522        } elsif ($action eq "rss") {
 523                print "</channel></rss>";
 524        }
 525} elsif ($action eq "commit") {
 526        my %co = git_commit($hash);
 527        if (!defined(%co)) {
 528                die_error("", "Unknown commit object.");
 529        }
 530        my %ad = date_str($co{'author_epoch'}, $co{'author_tz'});
 531        my %cd = date_str($co{'committer_epoch'}, $co{'committer_tz'});
 532
 533        my @difftree;
 534        if (defined($co{'parent'})) {
 535                open my $fd, "-|", "$gitbin/diff-tree -r " . $co{'parent'} . " $hash";
 536                @difftree = map { chomp; $_ } <$fd>;
 537                close $fd;
 538        } else {
 539                # fake git-diff-tree output for initial revision
 540                open my $fd, "-|", "$gitbin/ls-tree -r $hash";
 541                @difftree = map { chomp;  "+" . $_ } <$fd>;
 542                close $fd;
 543        }
 544        git_header_html();
 545        print "<div class=\"page_nav\"> view\n" .
 546              $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") . " | \n" .
 547              $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "diffs") . " | \n" .
 548              $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$hash"}, "tree") . "\n" .
 549              "<br/><br/></div>\n";
 550        print "<div>\n" .
 551              $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
 552              "</div>\n";
 553        print "<div class=\"title_text\">\n" .
 554              "<table cellspacing=\"0\">";
 555        print "<tr><td class=\"key\">author</td><td>" . escapeHTML($co{'author'}) . "</td><tr><td></td><td>" .
 556              " " . $ad{'rfc2822'};
 557        if ($ad{'hour_local'} < 6) {
 558                print "<span style=\"color: #cc0000;\">";
 559        }
 560        printf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
 561        if ($ad{'hour_local'} < 6 ) {
 562                print "</span>";
 563        }
 564        print "</i>\n" .
 565              "</td></tr>\n";
 566        print "<tr><td class=\"key\">committer</td><td>" . escapeHTML($co{'committer'}) . "</td><tr><td></td><td>" .
 567              " " . $cd{'rfc2822'} . sprintf(" (%02d:%02d %s)", $cd{'hour_local'}, $cd{'minute_local'}, $cd{'tz_local'}) . "</i>\n" .
 568              "</td></tr>\n";
 569        print "<tr><td class=\"key\">commit</td><td style=\"font-family: monospace;\">$hash</td></tr>\n";
 570        print "<tr><td class=\"key\">tree</td><td style=\"font-family: monospace;\">" . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$hash"}, $co{'tree'}) . "</td></tr>\n";
 571        my $parents  = $co{'parents'};
 572        foreach my $par (@$parents) {
 573                print "<tr><td class=\"key\">parent</td><td style=\"font-family: monospace;\">" . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$par"}, $par) . "</td></tr>\n";
 574        }
 575        print "</table></div>\n";
 576        print "<div class=\"page_body\">\n";
 577        my $comment = $co{'comment'};
 578        foreach my $line (@$comment) {
 579                if ($line =~ m/(signed-off|acked)-by:/i) {
 580                        print "<span style=\"color: #888888\">" . escapeHTML($line) . "</span><br/>\n";
 581                } else {
 582                        print escapeHTML($line) . "<br/>\n";
 583                }
 584        }
 585        print "</div>\n";
 586        if ($#difftree > 10) {
 587                print "<div class=\"list_head\">" . ($#difftree + 1) . " files changed:<br/></div>\n";
 588        }
 589        foreach my $line (@difftree) {
 590                # '*100644->100644      blob    9f91a116d91926df3ba936a80f020a6ab1084d2b->bb90a0c3a91eb52020d0db0e8b4f94d30e02d596      net/ipv4/route.c'
 591                # '+100644      blob    4a83ab6cd565d21ab0385bac6643826b83c2fcd4        arch/arm/lib/bitops.h'
 592                # '*100664->100644      blob    b1a8e3dd5556b61dd771d32307c6ee5d7150fa43->b1a8e3dd5556b61dd771d32307c6ee5d7150fa43      show-files.c'
 593                # '*100664->100644      blob    d08e895238bac36d8220586fdc28c27e1a7a76d3->d08e895238bac36d8220586fdc28c27e1a7a76d3      update-cache.c'
 594                $line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/;
 595                my $op = $1;
 596                my $mode = $2;
 597                my $type = $3;
 598                my $id = $4;
 599                my $file = $5;
 600                my $mode_chng = "";
 601                if ($type eq "blob") {
 602                        if ($op eq "+") {
 603                                print "<div class=\"list\">\n" .
 604                                      $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id"},
 605                                      escapeHTML($file) . " <span style=\"color: #008000;\">[new]</span>") . "\n" .
 606                                      "</div>";
 607                                print "<div class=\"link\">\n" .
 608                                      "view " .
 609                                      $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id"}, "file") . "<br/>\n" .
 610                                      "</div>\n";
 611                        } elsif ($op eq "-") {
 612                                print "<div class=\"list\">\n" .
 613                                      $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id"},
 614                                      escapeHTML($file) .  " <span style=\"color: #c00000;\">[removed]</span>") . "\n" .
 615                                      "</div>";
 616                                print "<div class=\"link\">\n" .
 617                                      "view " .
 618                                      $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id"}, "file") . " | " .
 619                                      $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash;f=$file"}, "history") . "<br/>\n" .
 620                                      "</div>\n";
 621                        } elsif ($op eq "*") {
 622                                $id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;
 623                                my $from_id = $1;
 624                                my $to_id = $2;
 625                                $mode =~ m/^([0-7]{6})->([0-7]{6})$/;
 626                                my $from_mode = $1;
 627                                my $to_mode = $2;
 628                                my $mode_chnge = "";
 629                                if ($from_mode != $to_mode) {
 630                                        $mode_chnge = " <span style=\"color: #888888;\"> [chmod $mode]</span>\n";
 631                                }
 632                                print "<div class=\"list\">\n";
 633                                if ($to_id ne $from_id) {
 634                                        print $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;h=$to_id;hp=$from_id"},
 635                                              escapeHTML($file) . $mode_chnge) . "\n" .
 636                                              "</div>\n";
 637                                } else {
 638                                        print $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id"},
 639                                              escapeHTML($file) . $mode_chnge) . "\n" .
 640                                              "</div>\n";
 641                                }
 642                                print "<div class=\"link\">\n" .
 643                                      "view ";
 644                                if ($to_id ne $from_id) {
 645                                        print $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;h=$to_id;hp=$from_id"}, "diff") . " | ";
 646                                }
 647                                print $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id"}, "file") . " | " .
 648                                      $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash;f=$file"}, "history") . "<br/>\n" .
 649                                      "</div>\n";
 650                        }
 651                }
 652        }
 653        git_footer_html();
 654} elsif ($action eq "blobdiff") {
 655        git_header_html();
 656        print "<div class=\"page_nav\">\n";
 657        print "<br/><br/></div>\n";
 658        print "<div class=\"title\">$hash vs $hash_parent</div>\n";
 659        print "<div class=\"page_body\">\n" .
 660              "<pre>\n";
 661        git_diff_html($hash_parent, $hash, $hash_parent, $hash);
 662        print "</pre>\n" .
 663              "<br/></div>";
 664        git_footer_html();
 665} elsif ($action eq "commitdiff") {
 666        my %co = git_commit($hash);
 667        if (!defined(%co)) {
 668                die_error("", "Unknown commit object.");
 669        }
 670        open my $fd, "-|", "$gitbin/diff-tree -r " . $co{'parent'} . " $hash";
 671        my (@difftree) = map { chomp; $_ } <$fd>;
 672        close $fd;
 673
 674        git_header_html();
 675        print "<div class=\"page_nav\"> view\n" .
 676              $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") . " | \n" .
 677              $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "diffs") . " | \n" .
 678              $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$hash"}, "tree") . "\n" .
 679              "<br/><br/></div>\n";
 680        print "<div>\n" .
 681              $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash", -class => "title"}, escapeHTML($co{'title'})) . "\n" .
 682              "</div>\n";
 683        print "<div class=\"page_body\">\n" .
 684              "<pre>\n";
 685        foreach my $line (@difftree) {
 686                # '*100644->100644      blob    8e5f9bbdf4de94a1bc4b4da8cb06677ce0a57716->8da3a306d0c0c070d87048d14a033df02f40a154      Makefile'
 687                $line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/;
 688                my $op = $1;
 689                my $mode = $2;
 690                my $type = $3;
 691                my $id = $4;
 692                my $file = $5;
 693                if ($type eq "blob") {
 694                        if ($op eq "+") {
 695                                git_diff_html("", $file, "", $id);
 696                        } elsif ($op eq "-") {
 697                                git_diff_html($file, "", $id, "");
 698                        } elsif ($op eq "*") {
 699                                $id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;
 700                                if ($1 ne $2) {
 701                                        git_diff_html($file, $file, $1, $2);
 702                                }
 703                        }
 704                }
 705        }
 706        print "<br/></pre>\n";
 707        print "</div>";
 708        git_footer_html();
 709} elsif ($action eq "history") {
 710        if (!(defined($hash))) {
 711                $hash = git_head($project);
 712        }
 713        open my $fd, "-|", "$gitbin/rev-list $hash";
 714        my (@revlist) = map { chomp; $_ } <$fd>;
 715        close $fd;
 716
 717        git_header_html();
 718        print "<div class=\"page_nav\">\n";
 719        print "<br/><br/></div>\n";
 720        print "<div>\n" .
 721              $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash", -class => "title"}, escapeHTML($file_name)) . "\n" .
 722              "</div>\n";
 723        foreach my $rev (@revlist) {
 724                my %co = git_commit($rev);
 725                my $parents  = $co{'parents'};
 726                my $found = 0;
 727                foreach my $parent (@$parents) {
 728                        open $fd, "-|", "$gitbin/diff-tree -r $parent $rev $file_name";
 729                        my (@difftree) = map { chomp; $_ } <$fd>;
 730                        close $fd;
 731
 732                        foreach my $line (@difftree) {
 733                                $line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/;
 734                                my $file = $5;
 735                                if ($file eq $file_name) {
 736                                        $found = 1;
 737                                        last;
 738                                }
 739                        }
 740                }
 741                if ($found) {
 742                        print "<div class=\"list\">\n" .
 743                              $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$rev"},
 744                              "<span class=\"log_age\">" . $co{'age_string'} . "</span>" . escapeHTML($co{'title'})) . "\n" .
 745                              "</div>\n";
 746                        print "<div class=\"link\">\n" .
 747                              "view " .
 748                              $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$rev"}, "commit") . " | " .
 749                              $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$rev"}, "tree") . "<br/><br/>\n" .
 750                              "</div>\n";
 751                }
 752        }
 753        git_footer_html();
 754} else {
 755        $action = "";
 756        die_error("", "Unknown action.");
 757}