8bd8127343bd503cc3de5cb75e84fa77d7142cfd
   1#!/usr/bin/perl
   2
   3# gitweb.pl - simple web interface to track changes in git repositories
   4#
   5# Version 006
   6#
   7# (C) 2005, Kay Sievers <kay.sievers@vrfy.org>
   8# (C) 2005, Christian Gierke <ch@gierke.de>
   9#
  10# This file is licensed under the GPL v2, or a later version
  11
  12use strict;
  13use warnings;
  14use CGI qw(:standard :escapeHTML);
  15use CGI::Carp qw(fatalsToBrowser);
  16
  17my $cgi = new CGI;
  18my $gitbin = "/home/kay/bin/git";
  19my $gitroot = "/home/kay/public_html";
  20my $gittmp = "/tmp";
  21my $myself = $cgi->url(-relative => 1);
  22my $url_path = $cgi->url(-path => 1);
  23
  24my $project = $cgi->param("project") || "";
  25my $action = $cgi->param("action") || "";
  26my $hash = $cgi->param("hash") || "";
  27my $hash_parent = $cgi->param("hash_parent") || "";
  28my $view_back = $cgi->param("view_back") || 60*60*24;
  29
  30if ($url_path =~ m#/([^/]+)/commit/([0-9a-fA-F]+)$#) {
  31        $project = $1;
  32        $action = "commit";
  33        $hash = $2;
  34} elsif ($url_path =~ m#/([^/]+)/treediff/([0-9a-fA-F]+)$#) {
  35        $project = $1;
  36        $action = "treediff";
  37        $hash = $2;
  38} elsif ($url_path =~ m#/([^/]+)/diff/([0-9a-fA-F]+)/([0-9a-fA-F]+)$#) {
  39        $project = $1;
  40        $action = "treediff";
  41        $hash = $2;
  42        $hash_parent = $3;
  43} elsif ($url_path =~ m#/([^/]+)/log/([0-9]+)$#) {
  44        $project = $1;
  45        $action = "log";
  46        $view_back = $2;
  47} elsif ($url_path =~ m#/([^/]+)/log#) {
  48        $project = $1;
  49        $action = "log";
  50        $view_back = 60*60*24;
  51}
  52my $projectroot = "$gitroot/$project";
  53
  54$hash =~ s/[^0-9a-fA-F]//g;
  55$hash_parent =~ s/[^0-9a-fA-F]//g;
  56$project =~ s/[^0-9a-zA-Z\-\._]//g;
  57
  58$ENV{'SHA1_FILE_DIRECTORY'} = "$projectroot/.git/objects";
  59
  60sub git_header {
  61        print $cgi->header(-type => 'text/html; charset: utf-8');
  62print <<EOF;
  63<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
  64<html>
  65<head>
  66        <title>git - $project $action</title>
  67        <style type="text/css">
  68                body { font-family: sans-serif; font-size: 12px; margin:25px; }
  69                div.body { border-width:1px; border-style:solid; border-color:#D9D8D1; }
  70                div.head1 { font-size:20px; padding:8px; background-color: #D9D8D1; font-weight:bold; }
  71                div.head1 a:visited { color:#0000cc; }
  72                div.head1 a:hover { color:#880000; }
  73                div.head1 a:active { color:#880000; }
  74                div.head2 { padding:8px; }
  75                div.head2 a:visited { color:#0000cc; }
  76                div.head2 a:hover { color:#880000; }
  77                div.head2 a:active { color:#880000; }
  78                div.main { padding:8px; font-family: sans-serif; font-size: 12px; }
  79                table { padding:0px; margin:0px; width:100%; }
  80                tr { vertical-align:top; }
  81                td { padding:8px; margin:0px; font-family: sans-serif; font-size: 12px; }
  82                td.head1 { background-color: #D9D8D1; font-weight:bold; }
  83                td.head1 a { color:#000000; text-decoration:none; }
  84                td.head1 a:hover { color:#880000; text-decoration:underline; }
  85                td.head1 a:visited { color:#000000; }
  86                td.head2 { background-color: #EDECE6; font-family: monospace; font-size:12px; }
  87                td.head3 { background-color: #EDECE6; font-size:10px; }
  88                div.add { color: #008800; }
  89                div.subtract { color: #CC0000; }
  90                div.diff_head { color: #000099; }
  91                div.diff_head a:visited { color:#0000cc; }
  92                div.diff_line { color: #990099; }
  93                a { color:#0000cc; }
  94                a:hover { color:#880000; }
  95                a:visited { color:#880000; }
  96                a:active { color:#880000; }
  97        </style>
  98</head>
  99<body>
 100EOF
 101        print "<div class=\"body\">\n";
 102        print "<div class=\"head1\">";
 103        print "<a href=\"http://kernel.org/pub/software/scm/git/\"><img src=\"git_logo.png\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/></a>";
 104        print $cgi->a({-href => "$myself"}, "projects");
 105        if ($project ne "") {
 106                print " / " . $cgi->a({-href => "$myself?project=$project;action=log;view_back=" . 60*60*24}, $project);
 107        }
 108        if ($action ne "") {
 109                print " / $action";
 110        }
 111        print "</div>\n";
 112}
 113
 114sub git_footer {
 115        print "</div>";
 116        print $cgi->end_html();
 117}
 118
 119sub git_diff {
 120        my $old_name = shift || "/dev/null";
 121        my $new_name = shift || "/dev/null";
 122        my $old = shift;
 123        my $new = shift;
 124
 125        my $tmp_old = "/dev/null";
 126        my $tmp_new = "/dev/null";
 127        my $old_label = "/dev/null";
 128        my $new_label = "/dev/null";
 129
 130        # create temp from-file
 131        if ($old ne "") {
 132                open my $fd2, "> $gittmp/$old";
 133                open my $fd, "-|", "$gitbin/cat-file", "blob", $old;
 134                while (my $line = <$fd>) {
 135                        print $fd2 $line;
 136                }
 137                close $fd2;
 138                close $fd;
 139                $tmp_old = "$gittmp/$old";
 140                $old_label = "a/$old_name";
 141        }
 142
 143        # create tmp to-file
 144        if ($new ne "") {
 145                open my $fd2, "> $gittmp/$new";
 146                open my $fd, "-|", "$gitbin/cat-file", "blob", $new;
 147                while (my $line = <$fd>) {
 148                        print $fd2 $line;
 149                }
 150                close $fd2;
 151                close $fd;
 152                $tmp_new = "$gittmp/$new";
 153                $new_label = "b/$new_name";
 154        }
 155
 156        open my $fd, "-|", "/usr/bin/diff", "-L", $old_label, "-L", $new_label, "-u", "-p", $tmp_old, $tmp_new;
 157        print '<div class="diff_head">===== ';
 158        if ($old ne "") {
 159                print $cgi->a({-href => "$myself?project=$project;action=blob;hash=$old"}, $old);
 160        } else {
 161                print $old_name;
 162        }
 163        print " vs ";
 164        if ($new ne "") {
 165                print $cgi->a({-href => "$myself?project=$project;action=blob;hash=$new"}, $new);
 166        } else {
 167                print $new_name;
 168        }
 169        print ' =====</div>';
 170        while (my $line = <$fd>) {
 171                my $char = substr($line,0,1);
 172                print '<div class="add">' if $char eq '+';
 173                print '<div class="subtract">' if $char eq '-';
 174                print '<div class="diff_line">' if $char eq '@';
 175                print escapeHTML($line);
 176                print '</div>' if $char eq '+' or $char eq '-' or $char eq '@';
 177        }
 178        close $fd;
 179        unlink("$gittmp/$new");
 180        unlink("$gittmp/$old");
 181}
 182
 183if ($project eq "") {
 184        open my $fd, "-|", "ls", "-1", $gitroot;
 185        my (@path) = map { chomp; $_ } <$fd>;
 186        close $fd;
 187        git_header();
 188        print "<br/><br/><div class=\"main\">\n";
 189        foreach my $line (@path) {
 190                if (-e "$gitroot/$line/.git/HEAD") {
 191                        print $cgi->a({-href => "$myself?project=$line"}, $line) . "<br/>\n";
 192                }
 193        }
 194        print "<br/></div>";
 195        git_footer();
 196        exit;
 197}
 198
 199if ($action eq "") {
 200        print $cgi->redirect("$myself?project=$project;action=log;view_back=$view_back");
 201        exit;
 202}
 203
 204if ($action eq "blob") {
 205        git_header();
 206        print "<br/><br/><div class=\"main\">\n";
 207        print "<pre>\n";
 208        open my $fd, "-|", "$gitbin/cat-file", "blob", $hash;
 209        my $nr;
 210        while (my $line = <$fd>) {
 211                $nr++;
 212                print "$nr\t" . escapeHTML($line);;
 213        }
 214        close $fd;
 215        print "</pre>\n";
 216        print "<br/></div>";
 217        git_footer();
 218} elsif ($action eq "tree") {
 219        if ($hash eq "") {
 220                open my $fd, "$projectroot/.git/HEAD";
 221                my $head = <$fd>;
 222                chomp $head;
 223                close $fd;
 224                $hash = $head;
 225        }
 226        open my $fd, "-|", "$gitbin/ls-tree", $hash;
 227        my (@entries) = map { chomp; $_ } <$fd>;
 228        close $fd;
 229        git_header();
 230        print "<br/><br/><div class=\"main\">\n";
 231        print "<pre>\n";
 232        foreach my $line (@entries) {
 233                #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
 234                $line =~ m/^([0-9]+)\t(.*)\t(.*)\t(.*)$/;
 235                my $t_type = $2;
 236                my $t_hash = $3;
 237                my $t_name = $4;
 238                if ($t_type eq "blob") {
 239                        print "BLOB\t" . $cgi->a({-href => "$myself?project=$project;action=blob;hash=$3"}, $4) . "\n";
 240                } elsif ($t_type eq "tree") {
 241                        print "TREE\t" . $cgi->a({-href => "$myself?project=$project;action=tree;hash=$3"}, $4) . "\n";
 242                }
 243        }
 244        print "</pre>\n";
 245        print "<br/></div>";
 246        git_footer();
 247} elsif ($action eq "log" || $action eq "show_log" ) {
 248        open my $fd, "$projectroot/.git/HEAD";
 249        my $head = <$fd>;
 250        chomp $head;
 251        close $fd;
 252        open $fd, "-|", "$gitbin/rev-tree", $head;
 253        my (@revtree) = map { chomp; $_ } <$fd>;
 254        close $fd;
 255        git_header();
 256        print "<div class=\"head2\">\n";
 257        print "view  ";
 258        print $cgi->a({-href => "$myself?project=$project;action=log;view_back=" . 60*60*24}, "last day") . " | ";
 259        print $cgi->a({-href => "$myself?project=$project;action=log;view_back=" . 60*60*24*7}, "week") . " | ";
 260        print $cgi->a({-href => "$myself?project=$project;action=log;view_back=" . 60*60*24*30}, "month") . " | ";
 261        print $cgi->a({-href => "$myself?project=$project;action=log;view_back=" . 60*60*24*365}, "year") . " | ";
 262        print $cgi->a({-href => "$myself?project=$project;action=log;view_back=-1"}, "all") . "<br/>\n";
 263        print "<br/><br/>\n";
 264        print "</div>\n";
 265        print "<table cellspacing=\"0\" class=\"log\">\n";
 266        foreach my $rev (reverse sort @revtree) {
 267                # '1114106118 755e3010ee10dadf42a8a80770e1b115fb038d9b:1 2af17b4854036a1c2ec6c101d93c8dd1ed80d24e:1'
 268                last if !($rev =~ m/^([0-9]+) ([0-9a-fA-F]+).* ([0-9a-fA-F]+)/);
 269                my $time = $1;
 270                my $commit = $2;
 271                my $parent = $3;
 272                my @parents;
 273                my $author;
 274                my $author_name;
 275                my $author_time;
 276                my $author_timezone;
 277                my $committer;
 278                my $committer_time;
 279                my $committer_timezone;
 280                my $tree;
 281                my $comment;
 282                my $shortlog;
 283                open my $fd, "-|", "$gitbin/cat-file", "commit", $commit;
 284                while (my $line = <$fd>) {
 285                        chomp($line);
 286                        last if $line eq "";
 287                        if ($line =~ m/^tree (.*)$/) {
 288                                $tree = $1;
 289                        } elsif ($line =~ m/^parent (.*)$/) {
 290                                push @parents, $1;
 291                        } elsif ($line =~ m/^committer (.*>) ([0-9]+) (.*)$/) {
 292                                $committer = $1;
 293                                $committer_time = $2;
 294                                $committer_timezone = $3;
 295                        } elsif ($line =~ m/^author (.*>) ([0-9]+) (.*)$/) {
 296                                $author = $1;
 297                                $author_time = $2;
 298                                $author_timezone = $3;
 299                        }
 300                }
 301                $shortlog = <$fd>;
 302                $shortlog = escapeHTML($shortlog);
 303                $comment = $shortlog . "<br/>";
 304                while (my $line = <$fd>) {
 305                                chomp($line);
 306                                $comment .= escapeHTML($line) . "<br/>\n";
 307                }
 308                close $fd;
 309                my $age = time-$committer_time;
 310                last if ($view_back > 0 && $age > $view_back);
 311
 312                my $age_string;
 313                if ($age > 60*60*24*365*2) {
 314                        $age_string = int $age/60/60/24/365;
 315                        $age_string .= " years ago";
 316                } elsif ($age > 60*60*24*365/12*2) {
 317                        $age_string = int $age/60/60/24/365/12;
 318                        $age_string .= " months ago";
 319                } elsif ($age > 60*60*24*7*2) {
 320                        $age_string = int $age/60/60/24/7;
 321                        $age_string .= " weeks ago";
 322                } elsif ($age > 60*60*24*2) {
 323                        $age_string = int $age/60/60/24;
 324                        $age_string .= " days ago";
 325                } elsif ($age > 60*60*2) {
 326                        $age_string = int $age/60/60;
 327                        $age_string .= " hours ago";
 328                } elsif ($age > 60*2) {
 329                        $age_string = int $age/60;
 330                        $age_string .= " minutes ago";
 331                }
 332                print "<tr>\n";
 333                print "<td class=\"head1\">" . $age_string . "</td>\n";
 334                print "<td class=\"head1\">" . $cgi->a({-href => "$myself?project=$project;action=commit;hash=$commit"}, $shortlog) . "</td>";
 335                print "</tr>\n";
 336                print "<tr>\n";
 337                print "<td class=\"head3\">";
 338                print $cgi->a({-href => "$myself?project=$project;action=treediff;hash=$commit"}, "view diff") . "<br/>\n";
 339                print $cgi->a({-href => "$myself?project=$project;action=commit;hash=$commit"}, "view commit") . "<br/>\n";
 340                print $cgi->a({-href => "$myself?project=$project;action=tree;hash=$tree"}, "view tree") . "<br/>\n";
 341                print "</td>\n";
 342                print "<td class=\"head2\">\n";
 343                print "author &nbsp; &nbsp;" . escapeHTML($author) . " [" . gmtime($author_time) . " " . $author_timezone . "]<br/>\n";
 344                print "committer " . escapeHTML($committer) . " [" . gmtime($committer_time) . " " . $committer_timezone . "]<br/>\n";
 345                print "commit &nbsp; &nbsp;$commit<br/>\n";
 346                print "tree &nbsp; &nbsp; &nbsp;$tree<br/>\n";
 347                foreach my $par (@parents) {
 348                        print "parent &nbsp; &nbsp;$par<br/>\n";
 349                }
 350                print "</td>";
 351                print "</tr>\n";
 352                print "<tr>\n";
 353                print "<td></td>\n";
 354                print "<td>\n";
 355                print "$comment<br/><br/>\n";
 356                print "</td>";
 357                print "</tr>\n";
 358        }
 359        print "</table>\n";
 360        git_footer();
 361} elsif ($action eq "commit") {
 362        my $parent = "";
 363        open my $fd, "-|", "$gitbin/cat-file", "commit", $hash;
 364        while (my $line = <$fd>) {
 365                chomp($line);
 366                last if $line eq "";
 367                if ($line =~ m/^parent (.*)$/ && $parent eq "") {
 368                        $parent = $1;
 369                }
 370        }
 371        my $shortlog = <$fd>;
 372        $shortlog = escapeHTML($shortlog);
 373        close $fd;
 374
 375        open $fd, "-|", "$gitbin/diff-tree", "-r", $parent, $hash;
 376        my (@difftree) = map { chomp; $_ } <$fd>;
 377        close $fd;
 378
 379        git_header();
 380        print "<div class=\"main\">\n";
 381        print "view " . $cgi->a({-href => "$myself?project=$project;action=treediff;hash=$hash"}, "diff") . "<br/><br/><br/>\n";
 382        print "$shortlog<br/>\n";
 383        print "<pre>\n";
 384        foreach my $line (@difftree) {
 385                # '*100644->100644      blob    9f91a116d91926df3ba936a80f020a6ab1084d2b->bb90a0c3a91eb52020d0db0e8b4f94d30e02d596      net/ipv4/route.c'
 386                # '+100644      blob    4a83ab6cd565d21ab0385bac6643826b83c2fcd4        arch/arm/lib/bitops.h'
 387                $line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/;
 388                my $op = $1;
 389                my $mode = $2;
 390                my $type = $3;
 391                my $id = $4;
 392                my $file = $5;
 393                if ($type eq "blob") {
 394                        if ($op eq "+") {
 395                                print "NEW\t" . $cgi->a({-href => "$myself?project=$project;action=blob;hash=$id"}, $file) . "\n";
 396                        } elsif ($op eq "-") {
 397                                print "DEL\t" . $cgi->a({-href => "$myself?project=$project;action=blob;hash=$id"}, $file) . "\n";
 398                        } elsif ($op eq "*") {
 399                                $id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;
 400                                my $old = $1;
 401                                my $new = $2;
 402                                print "CHANGED\t" . $cgi->a({-href => "$myself?project=$project;action=diff;hash=$old;hash_parent=$new"}, $file) . "\n";
 403                        }
 404                }
 405        }
 406        print "</pre>\n";
 407        print "<br/></div>";
 408        git_footer();
 409} elsif ($action eq "diff") {
 410        git_header();
 411        print "<br/><br/><div class=\"main\">\n";
 412        print "<pre>\n";
 413        git_diff($hash, $hash_parent, $hash, $hash_parent);
 414        print "</pre>\n";
 415        print "<br/></div>";
 416        git_footer();
 417} elsif ($action eq "treediff") {
 418        my $parent = "";
 419        open my $fd, "-|", "$gitbin/cat-file", "commit", $hash;
 420        while (my $line = <$fd>) {
 421                chomp($line);
 422                last if $line eq "";
 423                if ($line =~ m/^parent (.*)$/ && $parent eq "") {
 424                        $parent = $1;
 425                }
 426        }
 427        my $shortlog = <$fd>;
 428        $shortlog = escapeHTML($shortlog);
 429        close $fd;
 430
 431        open $fd, "-|", "$gitbin/diff-tree", "-r", $parent, $hash;
 432        my (@difftree) = map { chomp; $_ } <$fd>;
 433        close $fd;
 434
 435        git_header();
 436        print "<div class=\"main\">\n";
 437        print "view " . $cgi->a({-href => "$myself?project=$project;action=commit;hash=$hash"}, "commit") . "<br/><br/><br/>\n";
 438        print "$shortlog<br/>\n";
 439        print "<pre>\n";
 440        foreach my $line (@difftree) {
 441                # '*100644->100644      blob    8e5f9bbdf4de94a1bc4b4da8cb06677ce0a57716->8da3a306d0c0c070d87048d14a033df02f40a154      Makefile'
 442                $line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/;
 443                my $op = $1;
 444                my $mode = $2;
 445                my $type = $3;
 446                my $id = $4;
 447                my $file = $5;
 448                if ($type eq "blob") {
 449                        if ($op eq "+") {
 450                                git_diff("", $file, "", $id);
 451                        } elsif ($op eq "-") {
 452                                git_diff($file, "", $id, "");
 453                        } elsif ($op eq "*") {
 454                                $id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;
 455                                git_diff($file, $file, $1, $2);
 456                        }
 457                }
 458        }
 459        print "</pre>\n";
 460        print "<br/></div>";
 461        git_footer();
 462} else {
 463        git_header();
 464        print "<br/><br/><div class=\"main\">\n";
 465        print "unknown action\n";
 466        print "<br/></div>";
 467        git_footer();
 468}