Andrew's git / gitweb.git / gitweb/gitweb.perl
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gitweb / gitweb.perlon commit gitweb: Separate finding project owner into git_get_project_owner (1e0cf03)
   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';
  17use File::Find qw();
  18binmode STDOUT, ':utf8';
  19
  20our $cgi = new CGI;
  21our $version = "++GIT_VERSION++";
  22our $my_url = $cgi->url();
  23our $my_uri = $cgi->url(-absolute => 1);
  24
  25# core git executable to use
  26# this can just be "git" if your webserver has a sensible PATH
  27our $GIT = "++GIT_BINDIR++/git";
  28
  29# absolute fs-path which will be prepended to the project path
  30#our $projectroot = "/pub/scm";
  31our $projectroot = "++GITWEB_PROJECTROOT++";
  32
  33# location for temporary files needed for diffs
  34our $git_temp = "/tmp/gitweb";
  35
  36# target of the home link on top of all pages
  37our $home_link = $my_uri;
  38
  39# name of your site or organization to appear in page titles
  40# replace this with something more descriptive for clearer bookmarks
  41our $site_name = "++GITWEB_SITENAME++" || $ENV{'SERVER_NAME'} || "Untitled";
  42
  43# html text to include at home page
  44our $home_text = "++GITWEB_HOMETEXT++";
  45
  46# URI of default stylesheet
  47our $stylesheet = "++GITWEB_CSS++";
  48# URI of GIT logo
  49our $logo = "++GITWEB_LOGO++";
  50
  51# source of projects list
  52our $projects_list = "++GITWEB_LIST++";
  53
  54# default blob_plain mimetype and default charset for text/plain blob
  55our $default_blob_plain_mimetype = 'text/plain';
  56our $default_text_plain_charset  = undef;
  57
  58# file to use for guessing MIME types before trying /etc/mime.types
  59# (relative to the current git repository)
  60our $mimetypes_file = undef;
  61
  62our $GITWEB_CONFIG = $ENV{'GITWEB_CONFIG'} || "++GITWEB_CONFIG++";
  63require $GITWEB_CONFIG if -e $GITWEB_CONFIG;
  64
  65# version of the core git binary
  66our $git_version = qx($GIT --version) =~ m/git version (.*)$/ ? $1 : "unknown";
  67
  68$projects_list ||= $projectroot;
  69if (! -d $git_temp) {
  70        mkdir($git_temp, 0700) || die_error(undef, "Couldn't mkdir $git_temp");
  71}
  72
  73# ======================================================================
  74# input validation and dispatch
  75our $action = $cgi->param('a');
  76if (defined $action) {
  77        if ($action =~ m/[^0-9a-zA-Z\.\-_]/) {
  78                die_error(undef, "Invalid action parameter");
  79        }
  80        # action which does not check rest of parameters
  81        if ($action eq "opml") {
  82                git_opml();
  83                exit;
  84        }
  85}
  86
  87our $project = ($cgi->param('p') || $ENV{'PATH_INFO'});
  88if (defined $project) {
  89        $project =~ s|^/||;
  90        $project =~ s|/$||;
  91}
  92if (defined $project && $project) {
  93        if (!validate_input($project)) {
  94                die_error(undef, "Invalid project parameter");
  95        }
  96        if (!(-d "$projectroot/$project")) {
  97                die_error(undef, "No such directory");
  98        }
  99        if (!(-e "$projectroot/$project/HEAD")) {
 100                die_error(undef, "No such project");
 101        }
 102        $ENV{'GIT_DIR'} = "$projectroot/$project";
 103} else {
 104        git_project_list();
 105        exit;
 106}
 107
 108our $file_name = $cgi->param('f');
 109if (defined $file_name) {
 110        if (!validate_input($file_name)) {
 111                die_error(undef, "Invalid file parameter");
 112        }
 113}
 114
 115our $hash = $cgi->param('h');
 116if (defined $hash) {
 117        if (!validate_input($hash)) {
 118                die_error(undef, "Invalid hash parameter");
 119        }
 120}
 121
 122our $hash_parent = $cgi->param('hp');
 123if (defined $hash_parent) {
 124        if (!validate_input($hash_parent)) {
 125                die_error(undef, "Invalid hash parent parameter");
 126        }
 127}
 128
 129our $hash_base = $cgi->param('hb');
 130if (defined $hash_base) {
 131        if (!validate_input($hash_base)) {
 132                die_error(undef, "Invalid hash base parameter");
 133        }
 134}
 135
 136our $page = $cgi->param('pg');
 137if (defined $page) {
 138        if ($page =~ m/[^0-9]$/) {
 139                die_error(undef, "Invalid page parameter");
 140        }
 141}
 142
 143our $searchtext = $cgi->param('s');
 144if (defined $searchtext) {
 145        if ($searchtext =~ m/[^a-zA-Z0-9_\.\/\-\+\:\@ ]/) {
 146                die_error(undef, "Invalid search parameter");
 147        }
 148        $searchtext = quotemeta $searchtext;
 149}
 150
 151# dispatch
 152my %actions = (
 153        "blame" => \&git_blame2,
 154        "blobdiff" => \&git_blobdiff,
 155        "blobdiff_plain" => \&git_blobdiff_plain,
 156        "blob" => \&git_blob,
 157        "blob_plain" => \&git_blob_plain,
 158        "commitdiff" => \&git_commitdiff,
 159        "commitdiff_plain" => \&git_commitdiff_plain,
 160        "commit" => \&git_commit,
 161        "heads" => \&git_heads,
 162        "history" => \&git_history,
 163        "log" => \&git_log,
 164        "rss" => \&git_rss,
 165        "search" => \&git_search,
 166        "shortlog" => \&git_shortlog,
 167        "summary" => \&git_summary,
 168        "tag" => \&git_tag,
 169        "tags" => \&git_tags,
 170        "tree" => \&git_tree,
 171);
 172
 173$action = 'summary' if (!defined($action));
 174if (!defined($actions{$action})) {
 175        die_error(undef, "Unknown action");
 176}
 177$actions{$action}->();
 178exit;
 179
 180## ======================================================================
 181## validation, quoting/unquoting and escaping
 182
 183sub validate_input {
 184        my $input = shift;
 185
 186        if ($input =~ m/^[0-9a-fA-F]{40}$/) {
 187                return $input;
 188        }
 189        if ($input =~ m/(^|\/)(|\.|\.\.)($|\/)/) {
 190                return undef;
 191        }
 192        if ($input =~ m/[^a-zA-Z0-9_\x80-\xff\ \t\.\/\-\+\#\~\%]/) {
 193                return undef;
 194        }
 195        return $input;
 196}
 197
 198# quote unsafe chars, but keep the slash, even when it's not
 199# correct, but quoted slashes look too horrible in bookmarks
 200sub esc_param {
 201        my $str = shift;
 202        $str =~ s/([^A-Za-z0-9\-_.~();\/;?:@&=])/sprintf("%%%02X", ord($1))/eg;
 203        $str =~ s/\+/%2B/g;
 204        $str =~ s/ /\+/g;
 205        return $str;
 206}
 207
 208# replace invalid utf8 character with SUBSTITUTION sequence
 209sub esc_html {
 210        my $str = shift;
 211        $str = decode("utf8", $str, Encode::FB_DEFAULT);
 212        $str = escapeHTML($str);
 213        $str =~ s/\014/^L/g; # escape FORM FEED (FF) character (e.g. in COPYING file)
 214        return $str;
 215}
 216
 217# git may return quoted and escaped filenames
 218sub unquote {
 219        my $str = shift;
 220        if ($str =~ m/^"(.*)"$/) {
 221                $str = $1;
 222                $str =~ s/\\([0-7]{1,3})/chr(oct($1))/eg;
 223        }
 224        return $str;
 225}
 226
 227# escape tabs (convert tabs to spaces)
 228sub untabify {
 229        my $line = shift;
 230
 231        while ((my $pos = index($line, "\t")) != -1) {
 232                if (my $count = (8 - ($pos % 8))) {
 233                        my $spaces = ' ' x $count;
 234                        $line =~ s/\t/$spaces/;
 235                }
 236        }
 237
 238        return $line;
 239}
 240
 241## ----------------------------------------------------------------------
 242## HTML aware string manipulation
 243
 244sub chop_str {
 245        my $str = shift;
 246        my $len = shift;
 247        my $add_len = shift || 10;
 248
 249        # allow only $len chars, but don't cut a word if it would fit in $add_len
 250        # if it doesn't fit, cut it if it's still longer than the dots we would add
 251        $str =~ m/^(.{0,$len}[^ \/\-_:\.@]{0,$add_len})(.*)/;
 252        my $body = $1;
 253        my $tail = $2;
 254        if (length($tail) > 4) {
 255                $tail = " ...";
 256                $body =~ s/&[^;]*$//; # remove chopped character entities
 257        }
 258        return "$body$tail";
 259}
 260
 261## ----------------------------------------------------------------------
 262## functions returning short strings
 263
 264# CSS class for given age value (in seconds)
 265sub age_class {
 266        my $age = shift;
 267
 268        if ($age < 60*60*2) {
 269                return "age0";
 270        } elsif ($age < 60*60*24*2) {
 271                return "age1";
 272        } else {
 273                return "age2";
 274        }
 275}
 276
 277# convert age in seconds to "nn units ago" string
 278sub age_string {
 279        my $age = shift;
 280        my $age_str;
 281
 282        if ($age > 60*60*24*365*2) {
 283                $age_str = (int $age/60/60/24/365);
 284                $age_str .= " years ago";
 285        } elsif ($age > 60*60*24*(365/12)*2) {
 286                $age_str = int $age/60/60/24/(365/12);
 287                $age_str .= " months ago";
 288        } elsif ($age > 60*60*24*7*2) {
 289                $age_str = int $age/60/60/24/7;
 290                $age_str .= " weeks ago";
 291        } elsif ($age > 60*60*24*2) {
 292                $age_str = int $age/60/60/24;
 293                $age_str .= " days ago";
 294        } elsif ($age > 60*60*2) {
 295                $age_str = int $age/60/60;
 296                $age_str .= " hours ago";
 297        } elsif ($age > 60*2) {
 298                $age_str = int $age/60;
 299                $age_str .= " min ago";
 300        } elsif ($age > 2) {
 301                $age_str = int $age;
 302                $age_str .= " sec ago";
 303        } else {
 304                $age_str .= " right now";
 305        }
 306        return $age_str;
 307}
 308
 309# convert file mode in octal to symbolic file mode string
 310sub mode_str {
 311        my $mode = oct shift;
 312
 313        if (S_ISDIR($mode & S_IFMT)) {
 314                return 'drwxr-xr-x';
 315        } elsif (S_ISLNK($mode)) {
 316                return 'lrwxrwxrwx';
 317        } elsif (S_ISREG($mode)) {
 318                # git cares only about the executable bit
 319                if ($mode & S_IXUSR) {
 320                        return '-rwxr-xr-x';
 321                } else {
 322                        return '-rw-r--r--';
 323                };
 324        } else {
 325                return '----------';
 326        }
 327}
 328
 329# convert file mode in octal to file type string
 330sub file_type {
 331        my $mode = oct shift;
 332
 333        if (S_ISDIR($mode & S_IFMT)) {
 334                return "directory";
 335        } elsif (S_ISLNK($mode)) {
 336                return "symlink";
 337        } elsif (S_ISREG($mode)) {
 338                return "file";
 339        } else {
 340                return "unknown";
 341        }
 342}
 343
 344## ----------------------------------------------------------------------
 345## functions returning short HTML fragments, or transforming HTML fragments
 346## which don't beling to other sections
 347
 348# format line of commit message or tag comment
 349sub format_log_line_html {
 350        my $line = shift;
 351
 352        $line = esc_html($line);
 353        $line =~ s/ /&nbsp;/g;
 354        if ($line =~ m/([0-9a-fA-F]{40})/) {
 355                my $hash_text = $1;
 356                if (git_get_type($hash_text) eq "commit") {
 357                        my $link = $cgi->a({-class => "text", -href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_text")}, $hash_text);
 358                        $line =~ s/$hash_text/$link/;
 359                }
 360        }
 361        return $line;
 362}
 363
 364# format marker of refs pointing to given object
 365sub format_ref_marker {
 366        my ($refs, $id) = @_;
 367
 368        if (defined $refs->{$id}) {
 369                return ' <span class="tag">' . esc_html($refs->{$id}) . '</span>';
 370        } else {
 371                return "";
 372        }
 373}
 374
 375# format, perhaps shortened and with markers, title line
 376sub format_subject_html {
 377        my ($long, $short, $query, $extra) = @_;
 378        $extra = '' unless defined($extra);
 379
 380        if (length($short) < length($long)) {
 381                return $cgi->a({-href => "$my_uri?" . esc_param($query),
 382                               -class => "list", -title => $long},
 383                       esc_html($short) . $extra);
 384        } else {
 385                return $cgi->a({-href => "$my_uri?" . esc_param($query),
 386                               -class => "list"},
 387                       esc_html($long)  . $extra);
 388        }
 389}
 390
 391## ----------------------------------------------------------------------
 392## git utility subroutines, invoking git commands
 393
 394# get HEAD ref of given project as hash
 395sub git_get_head_hash {
 396        my $project = shift;
 397        my $oENV = $ENV{'GIT_DIR'};
 398        my $retval = undef;
 399        $ENV{'GIT_DIR'} = "$projectroot/$project";
 400        if (open my $fd, "-|", $GIT, "rev-parse", "--verify", "HEAD") {
 401                my $head = <$fd>;
 402                close $fd;
 403                if (defined $head && $head =~ /^([0-9a-fA-F]{40})$/) {
 404                        $retval = $1;
 405                }
 406        }
 407        if (defined $oENV) {
 408                $ENV{'GIT_DIR'} = $oENV;
 409        }
 410        return $retval;
 411}
 412
 413# get type of given object
 414sub git_get_type {
 415        my $hash = shift;
 416
 417        open my $fd, "-|", $GIT, "cat-file", '-t', $hash or return;
 418        my $type = <$fd>;
 419        close $fd or return;
 420        chomp $type;
 421        return $type;
 422}
 423
 424sub git_get_project_config {
 425        my $key = shift;
 426
 427        return unless ($key);
 428        $key =~ s/^gitweb\.//;
 429        return if ($key =~ m/\W/);
 430
 431        my $val = qx($GIT repo-config --get gitweb.$key);
 432        return ($val);
 433}
 434
 435sub git_get_project_config_bool {
 436        my $val = git_get_project_config (@_);
 437        if ($val and $val =~ m/true|yes|on/) {
 438                return (1);
 439        }
 440        return; # implicit false
 441}
 442
 443# get hash of given path at given ref
 444sub git_get_hash_by_path {
 445        my $base = shift;
 446        my $path = shift || return undef;
 447
 448        my $tree = $base;
 449
 450        open my $fd, "-|", $GIT, "ls-tree", $base, "--", $path
 451                or die_error(undef, "Open git-ls-tree failed");
 452        my $line = <$fd>;
 453        close $fd or return undef;
 454
 455        #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa  panic.c'
 456        $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
 457        return $3;
 458}
 459
 460## ......................................................................
 461## git utility functions, directly accessing git repository
 462
 463# assumes that PATH is not symref
 464sub git_get_hash_by_ref {
 465        my $path = shift;
 466
 467        open my $fd, "$projectroot/$path" or return undef;
 468        my $head = <$fd>;
 469        close $fd;
 470        chomp $head;
 471        if ($head =~ m/^[0-9a-fA-F]{40}$/) {
 472                return $head;
 473        }
 474}
 475
 476sub git_get_project_description {
 477        my $path = shift;
 478
 479        open my $fd, "$projectroot/$path/description" or return undef;
 480        my $descr = <$fd>;
 481        close $fd;
 482        chomp $descr;
 483        return $descr;
 484}
 485
 486sub git_get_projects_list {
 487        my @list;
 488
 489        if (-d $projects_list) {
 490                # search in directory
 491                my $dir = $projects_list;
 492                opendir my ($dh), $dir or return undef;
 493                while (my $dir = readdir($dh)) {
 494                        if (-e "$projectroot/$dir/HEAD") {
 495                                my $pr = {
 496                                        path => $dir,
 497                                };
 498                                push @list, $pr
 499                        }
 500                }
 501                closedir($dh);
 502        } elsif (-f $projects_list) {
 503                # read from file(url-encoded):
 504                # 'git%2Fgit.git Linus+Torvalds'
 505                # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
 506                # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
 507                open my ($fd), $projects_list or return undef;
 508                while (my $line = <$fd>) {
 509                        chomp $line;
 510                        my ($path, $owner) = split ' ', $line;
 511                        $path = unescape($path);
 512                        $owner = unescape($owner);
 513                        if (!defined $path) {
 514                                next;
 515                        }
 516                        if (-e "$projectroot/$path/HEAD") {
 517                                my $pr = {
 518                                        path => $path,
 519                                        owner => decode("utf8", $owner, Encode::FB_DEFAULT),
 520                                };
 521                                push @list, $pr
 522                        }
 523                }
 524                close $fd;
 525        }
 526        @list = sort {$a->{'path'} cmp $b->{'path'}} @list;
 527        return @list;
 528}
 529
 530sub git_get_project_owner {
 531        my $project = shift;
 532        my $owner;
 533
 534        return undef unless $project;
 535
 536        # read from file (url-encoded):
 537        # 'git%2Fgit.git Linus+Torvalds'
 538        # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
 539        # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
 540        if (-f $projects_list) {
 541                open (my $fd , $projects_list);
 542                while (my $line = <$fd>) {
 543                        chomp $line;
 544                        my ($pr, $ow) = split ' ', $line;
 545                        $pr = unescape($pr);
 546                        $ow = unescape($ow);
 547                        if ($pr eq $project) {
 548                                $owner = decode("utf8", $ow, Encode::FB_DEFAULT);
 549                                last;
 550                        }
 551                }
 552                close $fd;
 553        }
 554        if (!defined $owner) {
 555                $owner = get_file_owner("$projectroot/$project");
 556        }
 557
 558        return $owner;
 559}
 560
 561sub git_get_references {
 562        my $type = shift || "";
 563        my %refs;
 564        # 5dc01c595e6c6ec9ccda4f6f69c131c0dd945f8c      refs/tags/v2.6.11
 565        # c39ae07f393806ccf406ef966e9a15afc43cc36a      refs/tags/v2.6.11^{}
 566        open my $fd, "$projectroot/$project/info/refs" or return;
 567        while (my $line = <$fd>) {
 568                chomp $line;
 569                # attention: for $type == "" it saves only last path part of ref name
 570                # e.g. from 'refs/heads/jn/gitweb' it would leave only 'gitweb'
 571                if ($line =~ m/^([0-9a-fA-F]{40})\t.*$type\/([^\^]+)/) {
 572                        if (defined $refs{$1}) {
 573                                $refs{$1} .= " / $2";
 574                        } else {
 575                                $refs{$1} = $2;
 576                        }
 577                }
 578        }
 579        close $fd or return;
 580        return \%refs;
 581}
 582
 583## ----------------------------------------------------------------------
 584## parse to hash functions
 585
 586sub parse_date {
 587        my $epoch = shift;
 588        my $tz = shift || "-0000";
 589
 590        my %date;
 591        my @months = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
 592        my @days = ("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat");
 593        my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($epoch);
 594        $date{'hour'} = $hour;
 595        $date{'minute'} = $min;
 596        $date{'mday'} = $mday;
 597        $date{'day'} = $days[$wday];
 598        $date{'month'} = $months[$mon];
 599        $date{'rfc2822'} = sprintf "%s, %d %s %4d %02d:%02d:%02d +0000", $days[$wday], $mday, $months[$mon], 1900+$year, $hour ,$min, $sec;
 600        $date{'mday-time'} = sprintf "%d %s %02d:%02d", $mday, $months[$mon], $hour ,$min;
 601
 602        $tz =~ m/^([+\-][0-9][0-9])([0-9][0-9])$/;
 603        my $local = $epoch + ((int $1 + ($2/60)) * 3600);
 604        ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($local);
 605        $date{'hour_local'} = $hour;
 606        $date{'minute_local'} = $min;
 607        $date{'tz_local'} = $tz;
 608        return %date;
 609}
 610
 611sub parse_tag {
 612        my $tag_id = shift;
 613        my %tag;
 614        my @comment;
 615
 616        open my $fd, "-|", $GIT, "cat-file", "tag", $tag_id or return;
 617        $tag{'id'} = $tag_id;
 618        while (my $line = <$fd>) {
 619                chomp $line;
 620                if ($line =~ m/^object ([0-9a-fA-F]{40})$/) {
 621                        $tag{'object'} = $1;
 622                } elsif ($line =~ m/^type (.+)$/) {
 623                        $tag{'type'} = $1;
 624                } elsif ($line =~ m/^tag (.+)$/) {
 625                        $tag{'name'} = $1;
 626                } elsif ($line =~ m/^tagger (.*) ([0-9]+) (.*)$/) {
 627                        $tag{'author'} = $1;
 628                        $tag{'epoch'} = $2;
 629                        $tag{'tz'} = $3;
 630                } elsif ($line =~ m/--BEGIN/) {
 631                        push @comment, $line;
 632                        last;
 633                } elsif ($line eq "") {
 634                        last;
 635                }
 636        }
 637        push @comment, <$fd>;
 638        $tag{'comment'} = \@comment;
 639        close $fd or return;
 640        if (!defined $tag{'name'}) {
 641                return
 642        };
 643        return %tag
 644}
 645
 646sub parse_commit {
 647        my $commit_id = shift;
 648        my $commit_text = shift;
 649
 650        my @commit_lines;
 651        my %co;
 652
 653        if (defined $commit_text) {
 654                @commit_lines = @$commit_text;
 655        } else {
 656                $/ = "\0";
 657                open my $fd, "-|", $GIT, "rev-list", "--header", "--parents", "--max-count=1", $commit_id or return;
 658                @commit_lines = split '\n', <$fd>;
 659                close $fd or return;
 660                $/ = "\n";
 661                pop @commit_lines;
 662        }
 663        my $header = shift @commit_lines;
 664        if (!($header =~ m/^[0-9a-fA-F]{40}/)) {
 665                return;
 666        }
 667        ($co{'id'}, my @parents) = split ' ', $header;
 668        $co{'parents'} = \@parents;
 669        $co{'parent'} = $parents[0];
 670        while (my $line = shift @commit_lines) {
 671                last if $line eq "\n";
 672                if ($line =~ m/^tree ([0-9a-fA-F]{40})$/) {
 673                        $co{'tree'} = $1;
 674                } elsif ($line =~ m/^author (.*) ([0-9]+) (.*)$/) {
 675                        $co{'author'} = $1;
 676                        $co{'author_epoch'} = $2;
 677                        $co{'author_tz'} = $3;
 678                        if ($co{'author'} =~ m/^([^<]+) </) {
 679                                $co{'author_name'} = $1;
 680                        } else {
 681                                $co{'author_name'} = $co{'author'};
 682                        }
 683                } elsif ($line =~ m/^committer (.*) ([0-9]+) (.*)$/) {
 684                        $co{'committer'} = $1;
 685                        $co{'committer_epoch'} = $2;
 686                        $co{'committer_tz'} = $3;
 687                        $co{'committer_name'} = $co{'committer'};
 688                        $co{'committer_name'} =~ s/ <.*//;
 689                }
 690        }
 691        if (!defined $co{'tree'}) {
 692                return;
 693        };
 694
 695        foreach my $title (@commit_lines) {
 696                $title =~ s/^    //;
 697                if ($title ne "") {
 698                        $co{'title'} = chop_str($title, 80, 5);
 699                        # remove leading stuff of merges to make the interesting part visible
 700                        if (length($title) > 50) {
 701                                $title =~ s/^Automatic //;
 702                                $title =~ s/^merge (of|with) /Merge ... /i;
 703                                if (length($title) > 50) {
 704                                        $title =~ s/(http|rsync):\/\///;
 705                                }
 706                                if (length($title) > 50) {
 707                                        $title =~ s/(master|www|rsync)\.//;
 708                                }
 709                                if (length($title) > 50) {
 710                                        $title =~ s/kernel.org:?//;
 711                                }
 712                                if (length($title) > 50) {
 713                                        $title =~ s/\/pub\/scm//;
 714                                }
 715                        }
 716                        $co{'title_short'} = chop_str($title, 50, 5);
 717                        last;
 718                }
 719        }
 720        # remove added spaces
 721        foreach my $line (@commit_lines) {
 722                $line =~ s/^    //;
 723        }
 724        $co{'comment'} = \@commit_lines;
 725
 726        my $age = time - $co{'committer_epoch'};
 727        $co{'age'} = $age;
 728        $co{'age_string'} = age_string($age);
 729        my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($co{'committer_epoch'});
 730        if ($age > 60*60*24*7*2) {
 731                $co{'age_string_date'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
 732                $co{'age_string_age'} = $co{'age_string'};
 733        } else {
 734                $co{'age_string_date'} = $co{'age_string'};
 735                $co{'age_string_age'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
 736        }
 737        return %co;
 738}
 739
 740# parse ref from ref_file, given by ref_id, with given type
 741sub parse_ref {
 742        my $ref_file = shift;
 743        my $ref_id = shift;
 744        my $type = shift || git_get_type($ref_id);
 745        my %ref_item;
 746
 747        $ref_item{'type'} = $type;
 748        $ref_item{'id'} = $ref_id;
 749        $ref_item{'epoch'} = 0;
 750        $ref_item{'age'} = "unknown";
 751        if ($type eq "tag") {
 752                my %tag = parse_tag($ref_id);
 753                $ref_item{'comment'} = $tag{'comment'};
 754                if ($tag{'type'} eq "commit") {
 755                        my %co = parse_commit($tag{'object'});
 756                        $ref_item{'epoch'} = $co{'committer_epoch'};
 757                        $ref_item{'age'} = $co{'age_string'};
 758                } elsif (defined($tag{'epoch'})) {
 759                        my $age = time - $tag{'epoch'};
 760                        $ref_item{'epoch'} = $tag{'epoch'};
 761                        $ref_item{'age'} = age_string($age);
 762                }
 763                $ref_item{'reftype'} = $tag{'type'};
 764                $ref_item{'name'} = $tag{'name'};
 765                $ref_item{'refid'} = $tag{'object'};
 766        } elsif ($type eq "commit"){
 767                my %co = parse_commit($ref_id);
 768                $ref_item{'reftype'} = "commit";
 769                $ref_item{'name'} = $ref_file;
 770                $ref_item{'title'} = $co{'title'};
 771                $ref_item{'refid'} = $ref_id;
 772                $ref_item{'epoch'} = $co{'committer_epoch'};
 773                $ref_item{'age'} = $co{'age_string'};
 774        } else {
 775                $ref_item{'reftype'} = $type;
 776                $ref_item{'name'} = $ref_file;
 777                $ref_item{'refid'} = $ref_id;
 778        }
 779
 780        return %ref_item;
 781}
 782
 783## ......................................................................
 784## parse to array of hashes functions
 785
 786sub git_get_refs_list {
 787        my $ref_dir = shift;
 788        my @reflist;
 789
 790        my @refs;
 791        my $pfxlen = length("$projectroot/$project/$ref_dir");
 792        File::Find::find(sub {
 793                return if (/^\./);
 794                if (-f $_) {
 795                        push @refs, substr($File::Find::name, $pfxlen + 1);
 796                }
 797        }, "$projectroot/$project/$ref_dir");
 798
 799        foreach my $ref_file (@refs) {
 800                my $ref_id = git_get_hash_by_ref("$project/$ref_dir/$ref_file");
 801                my $type = git_get_type($ref_id) || next;
 802                my %ref_item = parse_ref($ref_file, $ref_id, $type);
 803
 804                push @reflist, \%ref_item;
 805        }
 806        # sort refs by age
 807        @reflist = sort {$b->{'epoch'} <=> $a->{'epoch'}} @reflist;
 808        return \@reflist;
 809}
 810
 811## ----------------------------------------------------------------------
 812## filesystem-related functions
 813
 814sub get_file_owner {
 815        my $path = shift;
 816
 817        my ($dev, $ino, $mode, $nlink, $st_uid, $st_gid, $rdev, $size) = stat($path);
 818        my ($name, $passwd, $uid, $gid, $quota, $comment, $gcos, $dir, $shell) = getpwuid($st_uid);
 819        if (!defined $gcos) {
 820                return undef;
 821        }
 822        my $owner = $gcos;
 823        $owner =~ s/[,;].*$//;
 824        return decode("utf8", $owner, Encode::FB_DEFAULT);
 825}
 826
 827## ......................................................................
 828## mimetype related functions
 829
 830sub mimetype_guess_file {
 831        my $filename = shift;
 832        my $mimemap = shift;
 833        -r $mimemap or return undef;
 834
 835        my %mimemap;
 836        open(MIME, $mimemap) or return undef;
 837        while (<MIME>) {
 838                my ($mime, $exts) = split(/\t+/);
 839                if (defined $exts) {
 840                        my @exts = split(/\s+/, $exts);
 841                        foreach my $ext (@exts) {
 842                                $mimemap{$ext} = $mime;
 843                        }
 844                }
 845        }
 846        close(MIME);
 847
 848        $filename =~ /\.(.*?)$/;
 849        return $mimemap{$1};
 850}
 851
 852sub mimetype_guess {
 853        my $filename = shift;
 854        my $mime;
 855        $filename =~ /\./ or return undef;
 856
 857        if ($mimetypes_file) {
 858                my $file = $mimetypes_file;
 859                #$file =~ m#^/# or $file = "$projectroot/$path/$file";
 860                $mime = mimetype_guess_file($filename, $file);
 861        }
 862        $mime ||= mimetype_guess_file($filename, '/etc/mime.types');
 863        return $mime;
 864}
 865
 866sub blob_mimetype {
 867        my $fd = shift;
 868        my $filename = shift;
 869
 870        if ($filename) {
 871                my $mime = mimetype_guess($filename);
 872                $mime and return $mime;
 873        }
 874
 875        # just in case
 876        return $default_blob_plain_mimetype unless $fd;
 877
 878        if (-T $fd) {
 879                return 'text/plain' .
 880                       ($default_text_plain_charset ? '; charset='.$default_text_plain_charset : '');
 881        } elsif (! $filename) {
 882                return 'application/octet-stream';
 883        } elsif ($filename =~ m/\.png$/i) {
 884                return 'image/png';
 885        } elsif ($filename =~ m/\.gif$/i) {
 886                return 'image/gif';
 887        } elsif ($filename =~ m/\.jpe?g$/i) {
 888                return 'image/jpeg';
 889        } else {
 890                return 'application/octet-stream';
 891        }
 892}
 893
 894## ======================================================================
 895## functions printing HTML: header, footer, error page
 896
 897sub git_header_html {
 898        my $status = shift || "200 OK";
 899        my $expires = shift;
 900
 901        my $title = "$site_name git";
 902        if (defined $project) {
 903                $title .= " - $project";
 904                if (defined $action) {
 905                        $title .= "/$action";
 906                        if (defined $file_name) {
 907                                $title .= " - $file_name";
 908                                if ($action eq "tree" && $file_name !~ m|/$|) {
 909                                        $title .= "/";
 910                                }
 911                        }
 912                }
 913        }
 914        my $content_type;
 915        # require explicit support from the UA if we are to send the page as
 916        # 'application/xhtml+xml', otherwise send it as plain old 'text/html'.
 917        # we have to do this because MSIE sometimes globs '*/*', pretending to
 918        # support xhtml+xml but choking when it gets what it asked for.
 919        if (defined $cgi->http('HTTP_ACCEPT') && $cgi->http('HTTP_ACCEPT') =~ m/(,|;|\s|^)application\/xhtml\+xml(,|;|\s|$)/ && $cgi->Accept('application/xhtml+xml') != 0) {
 920                $content_type = 'application/xhtml+xml';
 921        } else {
 922                $content_type = 'text/html';
 923        }
 924        print $cgi->header(-type=>$content_type, -charset => 'utf-8', -status=> $status, -expires => $expires);
 925        print <<EOF;
 926<?xml version="1.0" encoding="utf-8"?>
 927<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
 928<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US" lang="en-US">
 929<!-- git web interface v$version, (C) 2005-2006, Kay Sievers <kay.sievers\@vrfy.org>, Christian Gierke -->
 930<!-- git core binaries version $git_version -->
 931<head>
 932<meta http-equiv="content-type" content="$content_type; charset=utf-8"/>
 933<meta name="robots" content="index, nofollow"/>
 934<title>$title</title>
 935<link rel="stylesheet" type="text/css" href="$stylesheet"/>
 936EOF
 937        if (defined $project) {
 938                printf('<link rel="alternate" title="%s log" '.
 939                       'href="%s" type="application/rss+xml"/>'."\n",
 940                       esc_param($project),
 941                       esc_param("$my_uri?p=$project;a=rss"));
 942        }
 943
 944        print "</head>\n" .
 945              "<body>\n" .
 946              "<div class=\"page_header\">\n" .
 947              "<a href=\"http://www.kernel.org/pub/software/scm/git/docs/\" title=\"git documentation\">" .
 948              "<img src=\"$logo\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/>" .
 949              "</a>\n";
 950        print $cgi->a({-href => esc_param($home_link)}, "projects") . " / ";
 951        if (defined $project) {
 952                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, esc_html($project));
 953                if (defined $action) {
 954                        print " / $action";
 955                }
 956                print "\n";
 957                if (!defined $searchtext) {
 958                        $searchtext = "";
 959                }
 960                my $search_hash;
 961                if (defined $hash_base) {
 962                        $search_hash = $hash_base;
 963                } elsif (defined $hash) {
 964                        $search_hash = $hash;
 965                } else {
 966                        $search_hash = "HEAD";
 967                }
 968                $cgi->param("a", "search");
 969                $cgi->param("h", $search_hash);
 970                print $cgi->startform(-method => "get", -action => $my_uri) .
 971                      "<div class=\"search\">\n" .
 972                      $cgi->hidden(-name => "p") . "\n" .
 973                      $cgi->hidden(-name => "a") . "\n" .
 974                      $cgi->hidden(-name => "h") . "\n" .
 975                      $cgi->textfield(-name => "s", -value => $searchtext) . "\n" .
 976                      "</div>" .
 977                      $cgi->end_form() . "\n";
 978        }
 979        print "</div>\n";
 980}
 981
 982sub git_footer_html {
 983        print "<div class=\"page_footer\">\n";
 984        if (defined $project) {
 985                my $descr = git_get_project_description($project);
 986                if (defined $descr) {
 987                        print "<div class=\"page_footer_text\">" . esc_html($descr) . "</div>\n";
 988                }
 989                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=rss"), -class => "rss_logo"}, "RSS") . "\n";
 990        } else {
 991                print $cgi->a({-href => "$my_uri?" . esc_param("a=opml"), -class => "rss_logo"}, "OPML") . "\n";
 992        }
 993        print "</div>\n" .
 994              "</body>\n" .
 995              "</html>";
 996}
 997
 998sub die_error {
 999        my $status = shift || "403 Forbidden";
1000        my $error = shift || "Malformed query, file missing or permission denied";
1001
1002        git_header_html($status);
1003        print "<div class=\"page_body\">\n" .
1004              "<br/><br/>\n" .
1005              "$status - $error\n" .
1006              "<br/>\n" .
1007              "</div>\n";
1008        git_footer_html();
1009        exit;
1010}
1011
1012## ----------------------------------------------------------------------
1013## functions printing or outputting HTML: navigation
1014
1015sub git_print_page_nav {
1016        my ($current, $suppress, $head, $treehead, $treebase, $extra) = @_;
1017        $extra = '' if !defined $extra; # pager or formats
1018
1019        my @navs = qw(summary shortlog log commit commitdiff tree);
1020        if ($suppress) {
1021                @navs = grep { $_ ne $suppress } @navs;
1022        }
1023
1024        my %arg = map { $_, ''} @navs;
1025        if (defined $head) {
1026                for (qw(commit commitdiff)) {
1027                        $arg{$_} = ";h=$head";
1028                }
1029                if ($current =~ m/^(tree | log | shortlog | commit | commitdiff | search)$/x) {
1030                        for (qw(shortlog log)) {
1031                                $arg{$_} = ";h=$head";
1032                        }
1033                }
1034        }
1035        $arg{tree} .= ";h=$treehead" if defined $treehead;
1036        $arg{tree} .= ";hb=$treebase" if defined $treebase;
1037
1038        print "<div class=\"page_nav\">\n" .
1039                (join " | ",
1040                 map { $_ eq $current
1041                                         ? $_
1042                                         : $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$_$arg{$_}")}, "$_")
1043                                 }
1044                 @navs);
1045        print "<br/>\n$extra<br/>\n" .
1046              "</div>\n";
1047}
1048
1049sub format_paging_nav {
1050        my ($action, $hash, $head, $page, $nrevs) = @_;
1051        my $paging_nav;
1052
1053
1054        if ($hash ne $head || $page) {
1055                $paging_nav .= $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$action")}, "HEAD");
1056        } else {
1057                $paging_nav .= "HEAD";
1058        }
1059
1060        if ($page > 0) {
1061                $paging_nav .= " &sdot; " .
1062                        $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$action;h=$hash;pg=" . ($page-1)),
1063                                 -accesskey => "p", -title => "Alt-p"}, "prev");
1064        } else {
1065                $paging_nav .= " &sdot; prev";
1066        }
1067
1068        if ($nrevs >= (100 * ($page+1)-1)) {
1069                $paging_nav .= " &sdot; " .
1070                        $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$action;h=$hash;pg=" . ($page+1)),
1071                                 -accesskey => "n", -title => "Alt-n"}, "next");
1072        } else {
1073                $paging_nav .= " &sdot; next";
1074        }
1075
1076        return $paging_nav;
1077}
1078
1079## ......................................................................
1080## functions printing or outputting HTML: div
1081
1082sub git_print_header_div {
1083        my ($action, $title, $hash, $hash_base) = @_;
1084        my $rest = '';
1085
1086        $rest .= ";h=$hash" if $hash;
1087        $rest .= ";hb=$hash_base" if $hash_base;
1088
1089        print "<div class=\"header\">\n" .
1090              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$action$rest"),
1091                       -class => "title"}, $title ? $title : $action) . "\n" .
1092              "</div>\n";
1093}
1094
1095sub git_print_page_path {
1096        my $name = shift;
1097        my $type = shift;
1098
1099        if (!defined $name) {
1100                print "<div class=\"page_path\"><b>/</b></div>\n";
1101        } elsif (defined $type && $type eq 'blob') {
1102                print "<div class=\"page_path\"><b>" .
1103                        $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob_plain;f=$file_name")}, esc_html($name)) . "</b><br/></div>\n";
1104        } else {
1105                print "<div class=\"page_path\"><b>" . esc_html($name) . "</b><br/></div>\n";
1106        }
1107}
1108
1109## ......................................................................
1110## functions printing large fragments of HTML
1111
1112sub git_shortlog_body {
1113        # uses global variable $project
1114        my ($revlist, $from, $to, $refs, $extra) = @_;
1115        $from = 0 unless defined $from;
1116        $to = $#{$revlist} if (!defined $to || $#{$revlist} < $to);
1117
1118        print "<table class=\"shortlog\" cellspacing=\"0\">\n";
1119        my $alternate = 0;
1120        for (my $i = $from; $i <= $to; $i++) {
1121                my $commit = $revlist->[$i];
1122                #my $ref = defined $refs ? format_ref_marker($refs, $commit) : '';
1123                my $ref = format_ref_marker($refs, $commit);
1124                my %co = parse_commit($commit);
1125                if ($alternate) {
1126                        print "<tr class=\"dark\">\n";
1127                } else {
1128                        print "<tr class=\"light\">\n";
1129                }
1130                $alternate ^= 1;
1131                # git_summary() used print "<td><i>$co{'age_string'}</i></td>\n" .
1132                print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
1133                      "<td><i>" . esc_html(chop_str($co{'author_name'}, 10)) . "</i></td>\n" .
1134                      "<td>";
1135                print format_subject_html($co{'title'}, $co{'title_short'}, "p=$project;a=commit;h=$commit", $ref);
1136                print "</td>\n" .
1137                      "<td class=\"link\">" .
1138                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit")}, "commit") . " | " .
1139                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
1140                      "</td>\n" .
1141                      "</tr>\n";
1142        }
1143        if (defined $extra) {
1144                print "<tr>\n" .
1145                      "<td colspan=\"4\">$extra</td>\n" .
1146                      "</tr>\n";
1147        }
1148        print "</table>\n";
1149}
1150
1151sub git_history_body {
1152        # Warning: assumes constant type (blob or tree) during history
1153        my ($fd, $refs, $hash_base, $ftype, $extra) = @_;
1154
1155        print "<table class=\"history\" cellspacing=\"0\">\n";
1156        my $alternate = 0;
1157        while (my $line = <$fd>) {
1158                if ($line !~ m/^([0-9a-fA-F]{40})/) {
1159                        next;
1160                }
1161
1162                my $commit = $1;
1163                my %co = parse_commit($commit);
1164                if (!%co) {
1165                        next;
1166                }
1167
1168                my $ref = format_ref_marker($refs, $commit);
1169
1170                if ($alternate) {
1171                        print "<tr class=\"dark\">\n";
1172                } else {
1173                        print "<tr class=\"light\">\n";
1174                }
1175                $alternate ^= 1;
1176                print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
1177                      # shortlog uses      chop_str($co{'author_name'}, 10)
1178                      "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 3)) . "</i></td>\n" .
1179                      "<td>";
1180                # originally git_history used chop_str($co{'title'}, 50)
1181                print format_subject_html($co{'title'}, $co{'title_short'}, "p=$project;a=commit;h=$commit", $ref);
1182                print "</td>\n" .
1183                      "<td class=\"link\">" .
1184                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit")}, "commit") . " | " .
1185                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$commit")}, "commitdiff") . " | " .
1186                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$ftype;hb=$commit;f=$file_name")}, $ftype);
1187
1188                if ($ftype eq 'blob') {
1189                        my $blob_current = git_get_hash_by_path($hash_base, $file_name);
1190                        my $blob_parent  = git_get_hash_by_path($commit, $file_name);
1191                        if (defined $blob_current && defined $blob_parent &&
1192                                        $blob_current ne $blob_parent) {
1193                                print " | " .
1194                                        $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff;h=$blob_current;hp=$blob_parent;hb=$commit;f=$file_name")},
1195                                                "diff to current");
1196                        }
1197                }
1198                print "</td>\n" .
1199                      "</tr>\n";
1200        }
1201        if (defined $extra) {
1202                print "<tr>\n" .
1203                      "<td colspan=\"4\">$extra</td>\n" .
1204                      "</tr>\n";
1205        }
1206        print "</table>\n";
1207}
1208
1209sub git_tags_body {
1210        # uses global variable $project
1211        my ($taglist, $from, $to, $extra) = @_;
1212        $from = 0 unless defined $from;
1213        $to = $#{$taglist} if (!defined $to || $#{$taglist} < $to);
1214
1215        print "<table class=\"tags\" cellspacing=\"0\">\n";
1216        my $alternate = 0;
1217        for (my $i = $from; $i <= $to; $i++) {
1218                my $entry = $taglist->[$i];
1219                my %tag = %$entry;
1220                my $comment_lines = $tag{'comment'};
1221                my $comment = shift @$comment_lines;
1222                my $comment_short;
1223                if (defined $comment) {
1224                        $comment_short = chop_str($comment, 30, 5);
1225                }
1226                if ($alternate) {
1227                        print "<tr class=\"dark\">\n";
1228                } else {
1229                        print "<tr class=\"light\">\n";
1230                }
1231                $alternate ^= 1;
1232                print "<td><i>$tag{'age'}</i></td>\n" .
1233                      "<td>" .
1234                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'reftype'};h=$tag{'refid'}"),
1235                               -class => "list"}, "<b>" . esc_html($tag{'name'}) . "</b>") .
1236                      "</td>\n" .
1237                      "<td>";
1238                if (defined $comment) {
1239                        print format_subject_html($comment, $comment_short, "p=$project;a=tag;h=$tag{'id'}");
1240                }
1241                print "</td>\n" .
1242                      "<td class=\"selflink\">";
1243                if ($tag{'type'} eq "tag") {
1244                        print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tag;h=$tag{'id'}")}, "tag");
1245                } else {
1246                        print "&nbsp;";
1247                }
1248                print "</td>\n" .
1249                      "<td class=\"link\">" . " | " .
1250                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'reftype'};h=$tag{'refid'}")}, $tag{'reftype'});
1251                if ($tag{'reftype'} eq "commit") {
1252                        print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}")}, "shortlog") .
1253                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$tag{'refid'}")}, "log");
1254                } elsif ($tag{'reftype'} eq "blob") {
1255                        print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob_plain;h=$tag{'refid'}")}, "raw");
1256                }
1257                print "</td>\n" .
1258                      "</tr>";
1259        }
1260        if (defined $extra) {
1261                print "<tr>\n" .
1262                      "<td colspan=\"5\">$extra</td>\n" .
1263                      "</tr>\n";
1264        }
1265        print "</table>\n";
1266}
1267
1268sub git_heads_body {
1269        # uses global variable $project
1270        my ($taglist, $head, $from, $to, $extra) = @_;
1271        $from = 0 unless defined $from;
1272        $to = $#{$taglist} if (!defined $to || $#{$taglist} < $to);
1273
1274        print "<table class=\"heads\" cellspacing=\"0\">\n";
1275        my $alternate = 0;
1276        for (my $i = $from; $i <= $to; $i++) {
1277                my $entry = $taglist->[$i];
1278                my %tag = %$entry;
1279                my $curr = $tag{'id'} eq $head;
1280                if ($alternate) {
1281                        print "<tr class=\"dark\">\n";
1282                } else {
1283                        print "<tr class=\"light\">\n";
1284                }
1285                $alternate ^= 1;
1286                print "<td><i>$tag{'age'}</i></td>\n" .
1287                      ($tag{'id'} eq $head ? "<td class=\"current_head\">" : "<td>") .
1288                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}"),
1289                               -class => "list"}, "<b>" . esc_html($tag{'name'}) . "</b>") .
1290                      "</td>\n" .
1291                      "<td class=\"link\">" .
1292                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}")}, "shortlog") . " | " .
1293                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$tag{'name'}")}, "log") .
1294                      "</td>\n" .
1295                      "</tr>";
1296        }
1297        if (defined $extra) {
1298                print "<tr>\n" .
1299                      "<td colspan=\"3\">$extra</td>\n" .
1300                      "</tr>\n";
1301        }
1302        print "</table>\n";
1303}
1304
1305## ----------------------------------------------------------------------
1306## functions printing large fragments, format as one of arguments
1307
1308sub git_diff_print {
1309        my $from = shift;
1310        my $from_name = shift;
1311        my $to = shift;
1312        my $to_name = shift;
1313        my $format = shift || "html";
1314
1315        my $from_tmp = "/dev/null";
1316        my $to_tmp = "/dev/null";
1317        my $pid = $$;
1318
1319        # create tmp from-file
1320        if (defined $from) {
1321                $from_tmp = "$git_temp/gitweb_" . $$ . "_from";
1322                open my $fd2, "> $from_tmp";
1323                open my $fd, "-|", $GIT, "cat-file", "blob", $from;
1324                my @file = <$fd>;
1325                print $fd2 @file;
1326                close $fd2;
1327                close $fd;
1328        }
1329
1330        # create tmp to-file
1331        if (defined $to) {
1332                $to_tmp = "$git_temp/gitweb_" . $$ . "_to";
1333                open my $fd2, "> $to_tmp";
1334                open my $fd, "-|", $GIT, "cat-file", "blob", $to;
1335                my @file = <$fd>;
1336                print $fd2 @file;
1337                close $fd2;
1338                close $fd;
1339        }
1340
1341        open my $fd, "-|", "/usr/bin/diff -u -p -L \'$from_name\' -L \'$to_name\' $from_tmp $to_tmp";
1342        if ($format eq "plain") {
1343                undef $/;
1344                print <$fd>;
1345                $/ = "\n";
1346        } else {
1347                while (my $line = <$fd>) {
1348                        chomp $line;
1349                        my $char = substr($line, 0, 1);
1350                        my $diff_class = "";
1351                        if ($char eq '+') {
1352                                $diff_class = " add";
1353                        } elsif ($char eq "-") {
1354                                $diff_class = " rem";
1355                        } elsif ($char eq "@") {
1356                                $diff_class = " chunk_header";
1357                        } elsif ($char eq "\\") {
1358                                # skip errors
1359                                next;
1360                        }
1361                        $line = untabify($line);
1362                        print "<div class=\"diff$diff_class\">" . esc_html($line) . "</div>\n";
1363                }
1364        }
1365        close $fd;
1366
1367        if (defined $from) {
1368                unlink($from_tmp);
1369        }
1370        if (defined $to) {
1371                unlink($to_tmp);
1372        }
1373}
1374
1375
1376## ======================================================================
1377## ======================================================================
1378## actions
1379
1380sub git_project_list {
1381        my $order = $cgi->param('o');
1382        if (defined $order && $order !~ m/project|descr|owner|age/) {
1383                die_error(undef, "Unknown order parameter");
1384        }
1385
1386        my @list = git_get_projects_list();
1387        my @projects;
1388        if (!@list) {
1389                die_error(undef, "No projects found");
1390        }
1391        foreach my $pr (@list) {
1392                my $head = git_get_head_hash($pr->{'path'});
1393                if (!defined $head) {
1394                        next;
1395                }
1396                $ENV{'GIT_DIR'} = "$projectroot/$pr->{'path'}";
1397                my %co = parse_commit($head);
1398                if (!%co) {
1399                        next;
1400                }
1401                $pr->{'commit'} = \%co;
1402                if (!defined $pr->{'descr'}) {
1403                        my $descr = git_get_project_description($pr->{'path'}) || "";
1404                        $pr->{'descr'} = chop_str($descr, 25, 5);
1405                }
1406                if (!defined $pr->{'owner'}) {
1407                        $pr->{'owner'} = get_file_owner("$projectroot/$pr->{'path'}") || "";
1408                }
1409                push @projects, $pr;
1410        }
1411
1412        git_header_html();
1413        if (-f $home_text) {
1414                print "<div class=\"index_include\">\n";
1415                open (my $fd, $home_text);
1416                print <$fd>;
1417                close $fd;
1418                print "</div>\n";
1419        }
1420        print "<table class=\"project_list\">\n" .
1421              "<tr>\n";
1422        $order ||= "project";
1423        if ($order eq "project") {
1424                @projects = sort {$a->{'path'} cmp $b->{'path'}} @projects;
1425                print "<th>Project</th>\n";
1426        } else {
1427                print "<th>" .
1428                      $cgi->a({-href => "$my_uri?" . esc_param("o=project"),
1429                               -class => "header"}, "Project") .
1430                      "</th>\n";
1431        }
1432        if ($order eq "descr") {
1433                @projects = sort {$a->{'descr'} cmp $b->{'descr'}} @projects;
1434                print "<th>Description</th>\n";
1435        } else {
1436                print "<th>" .
1437                      $cgi->a({-href => "$my_uri?" . esc_param("o=descr"),
1438                               -class => "header"}, "Description") .
1439                      "</th>\n";
1440        }
1441        if ($order eq "owner") {
1442                @projects = sort {$a->{'owner'} cmp $b->{'owner'}} @projects;
1443                print "<th>Owner</th>\n";
1444        } else {
1445                print "<th>" .
1446                      $cgi->a({-href => "$my_uri?" . esc_param("o=owner"),
1447                               -class => "header"}, "Owner") .
1448                      "</th>\n";
1449        }
1450        if ($order eq "age") {
1451                @projects = sort {$a->{'commit'}{'age'} <=> $b->{'commit'}{'age'}} @projects;
1452                print "<th>Last Change</th>\n";
1453        } else {
1454                print "<th>" .
1455                      $cgi->a({-href => "$my_uri?" . esc_param("o=age"),
1456                               -class => "header"}, "Last Change") .
1457                      "</th>\n";
1458        }
1459        print "<th></th>\n" .
1460              "</tr>\n";
1461        my $alternate = 0;
1462        foreach my $pr (@projects) {
1463                if ($alternate) {
1464                        print "<tr class=\"dark\">\n";
1465                } else {
1466                        print "<tr class=\"light\">\n";
1467                }
1468                $alternate ^= 1;
1469                print "<td>" . $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=summary"),
1470                                        -class => "list"}, esc_html($pr->{'path'})) . "</td>\n" .
1471                      "<td>" . esc_html($pr->{'descr'}) . "</td>\n" .
1472                      "<td><i>" . chop_str($pr->{'owner'}, 15) . "</i></td>\n";
1473                print "<td class=\"". age_class($pr->{'commit'}{'age'}) . "\">" .
1474                      $pr->{'commit'}{'age_string'} . "</td>\n" .
1475                      "<td class=\"link\">" .
1476                      $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=summary")}, "summary")   . " | " .
1477                      $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=shortlog")}, "shortlog") . " | " .
1478                      $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=log")}, "log") .
1479                      "</td>\n" .
1480                      "</tr>\n";
1481        }
1482        print "</table>\n";
1483        git_footer_html();
1484}
1485
1486sub git_summary {
1487        my $descr = git_get_project_description($project) || "none";
1488        my $head = git_get_head_hash($project);
1489        my %co = parse_commit($head);
1490        my %cd = parse_date($co{'committer_epoch'}, $co{'committer_tz'});
1491
1492        my $owner = git_get_project_owner($project);
1493
1494        my $refs = git_get_references();
1495        git_header_html();
1496        git_print_page_nav('summary','', $head);
1497
1498        print "<div class=\"title\">&nbsp;</div>\n";
1499        print "<table cellspacing=\"0\">\n" .
1500              "<tr><td>description</td><td>" . esc_html($descr) . "</td></tr>\n" .
1501              "<tr><td>owner</td><td>$owner</td></tr>\n" .
1502              "<tr><td>last change</td><td>$cd{'rfc2822'}</td></tr>\n" .
1503              "</table>\n";
1504
1505        open my $fd, "-|", $GIT, "rev-list", "--max-count=17", git_get_head_hash($project)
1506                or die_error(undef, "Open git-rev-list failed");
1507        my @revlist = map { chomp; $_ } <$fd>;
1508        close $fd;
1509        git_print_header_div('shortlog');
1510        git_shortlog_body(\@revlist, 0, 15, $refs,
1511                          $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "..."));
1512
1513        my $taglist = git_get_refs_list("refs/tags");
1514        if (defined @$taglist) {
1515                git_print_header_div('tags');
1516                git_tags_body($taglist, 0, 15,
1517                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tags")}, "..."));
1518        }
1519
1520        my $headlist = git_get_refs_list("refs/heads");
1521        if (defined @$headlist) {
1522                git_print_header_div('heads');
1523                git_heads_body($headlist, $head, 0, 15,
1524                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=heads")}, "..."));
1525        }
1526
1527        git_footer_html();
1528}
1529
1530sub git_tag {
1531        my $head = git_get_head_hash($project);
1532        git_header_html();
1533        git_print_page_nav('','', $head,undef,$head);
1534        my %tag = parse_tag($hash);
1535        git_print_header_div('commit', esc_html($tag{'name'}), $hash);
1536        print "<div class=\"title_text\">\n" .
1537              "<table cellspacing=\"0\">\n" .
1538              "<tr>\n" .
1539              "<td>object</td>\n" .
1540              "<td>" . $cgi->a({-class => "list", -href => "$my_uri?" . esc_param("p=$project;a=$tag{'type'};h=$tag{'object'}")}, $tag{'object'}) . "</td>\n" .
1541              "<td class=\"link\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'type'};h=$tag{'object'}")}, $tag{'type'}) . "</td>\n" .
1542              "</tr>\n";
1543        if (defined($tag{'author'})) {
1544                my %ad = parse_date($tag{'epoch'}, $tag{'tz'});
1545                print "<tr><td>author</td><td>" . esc_html($tag{'author'}) . "</td></tr>\n";
1546                print "<tr><td></td><td>" . $ad{'rfc2822'} . sprintf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'}) . "</td></tr>\n";
1547        }
1548        print "</table>\n\n" .
1549              "</div>\n";
1550        print "<div class=\"page_body\">";
1551        my $comment = $tag{'comment'};
1552        foreach my $line (@$comment) {
1553                print esc_html($line) . "<br/>\n";
1554        }
1555        print "</div>\n";
1556        git_footer_html();
1557}
1558
1559sub git_blame2 {
1560        my $fd;
1561        my $ftype;
1562        die_error(undef, "Permission denied") if (!git_get_project_config_bool ('blame'));
1563        die_error('404 Not Found', "File name not defined") if (!$file_name);
1564        $hash_base ||= git_get_head_hash($project);
1565        die_error(undef, "Couldn't find base commit") unless ($hash_base);
1566        my %co = parse_commit($hash_base)
1567                or die_error(undef, "Reading commit failed");
1568        if (!defined $hash) {
1569                $hash = git_get_hash_by_path($hash_base, $file_name, "blob")
1570                        or die_error(undef, "Error looking up file");
1571        }
1572        $ftype = git_get_type($hash);
1573        if ($ftype !~ "blob") {
1574                die_error("400 Bad Request", "Object is not a blob");
1575        }
1576        open ($fd, "-|", $GIT, "blame", '-l', $file_name, $hash_base)
1577                or die_error(undef, "Open git-blame failed");
1578        git_header_html();
1579        my $formats_nav =
1580                $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$hash;hb=$hash_base;f=$file_name")}, "blob") .
1581                " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blame;f=$file_name")}, "head");
1582        git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
1583        git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
1584        git_print_page_path($file_name, $ftype);
1585        my @rev_color = (qw(light2 dark2));
1586        my $num_colors = scalar(@rev_color);
1587        my $current_color = 0;
1588        my $last_rev;
1589        print "<div class=\"page_body\">\n";
1590        print "<table class=\"blame\">\n";
1591        print "<tr><th>Commit</th><th>Line</th><th>Data</th></tr>\n";
1592        while (<$fd>) {
1593                /^([0-9a-fA-F]{40}).*?(\d+)\)\s{1}(\s*.*)/;
1594                my $full_rev = $1;
1595                my $rev = substr($full_rev, 0, 8);
1596                my $lineno = $2;
1597                my $data = $3;
1598
1599                if (!defined $last_rev) {
1600                        $last_rev = $full_rev;
1601                } elsif ($last_rev ne $full_rev) {
1602                        $last_rev = $full_rev;
1603                        $current_color = ++$current_color % $num_colors;
1604                }
1605                print "<tr class=\"$rev_color[$current_color]\">\n";
1606                print "<td class=\"sha1\">" .
1607                        $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$full_rev;f=$file_name")}, esc_html($rev)) . "</td>\n";
1608                print "<td class=\"linenr\"><a id=\"l$lineno\" href=\"#l$lineno\" class=\"linenr\">" . esc_html($lineno) . "</a></td>\n";
1609                print "<td class=\"pre\">" . esc_html($data) . "</td>\n";
1610                print "</tr>\n";
1611        }
1612        print "</table>\n";
1613        print "</div>";
1614        close $fd or print "Reading blob failed\n";
1615        git_footer_html();
1616}
1617
1618sub git_blame {
1619        my $fd;
1620        die_error('403 Permission denied', "Permission denied") if (!git_get_project_config_bool ('blame'));
1621        die_error('404 Not Found', "File name not defined") if (!$file_name);
1622        $hash_base ||= git_get_head_hash($project);
1623        die_error(undef, "Couldn't find base commit") unless ($hash_base);
1624        my %co = parse_commit($hash_base)
1625                or die_error(undef, "Reading commit failed");
1626        if (!defined $hash) {
1627                $hash = git_get_hash_by_path($hash_base, $file_name, "blob")
1628                        or die_error(undef, "Error lookup file");
1629        }
1630        open ($fd, "-|", $GIT, "annotate", '-l', '-t', '-r', $file_name, $hash_base)
1631                or die_error(undef, "Open git-annotate failed");
1632        git_header_html();
1633        my $formats_nav =
1634                $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$hash;hb=$hash_base;f=$file_name")}, "blob") .
1635                " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blame;f=$file_name")}, "head");
1636        git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
1637        git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
1638        git_print_page_path($file_name, 'blob');
1639        print "<div class=\"page_body\">\n";
1640        print <<HTML;
1641<table class="blame">
1642  <tr>
1643    <th>Commit</th>
1644    <th>Age</th>
1645    <th>Author</th>
1646    <th>Line</th>
1647    <th>Data</th>
1648  </tr>
1649HTML
1650        my @line_class = (qw(light dark));
1651        my $line_class_len = scalar (@line_class);
1652        my $line_class_num = $#line_class;
1653        while (my $line = <$fd>) {
1654                my $long_rev;
1655                my $short_rev;
1656                my $author;
1657                my $time;
1658                my $lineno;
1659                my $data;
1660                my $age;
1661                my $age_str;
1662                my $age_class;
1663
1664                chomp $line;
1665                $line_class_num = ($line_class_num + 1) % $line_class_len;
1666
1667                if ($line =~ m/^([0-9a-fA-F]{40})\t\(\s*([^\t]+)\t(\d+) \+\d\d\d\d\t(\d+)\)(.*)$/) {
1668                        $long_rev = $1;
1669                        $author   = $2;
1670                        $time     = $3;
1671                        $lineno   = $4;
1672                        $data     = $5;
1673                } else {
1674                        print qq(  <tr><td colspan="5" class="error">Unable to parse: $line</td></tr>\n);
1675                        next;
1676                }
1677                $short_rev  = substr ($long_rev, 0, 8);
1678                $age        = time () - $time;
1679                $age_str    = age_string ($age);
1680                $age_str    =~ s/ /&nbsp;/g;
1681                $age_class  = age_class($age);
1682                $author     = esc_html ($author);
1683                $author     =~ s/ /&nbsp;/g;
1684
1685                $data = untabify($data);
1686                $data = esc_html ($data);
1687
1688                print <<HTML;
1689  <tr class="$line_class[$line_class_num]">
1690    <td class="sha1"><a href="$my_uri?${\esc_param ("p=$project;a=commit;h=$long_rev")}" class="text">$short_rev..</a></td>
1691    <td class="$age_class">$age_str</td>
1692    <td>$author</td>
1693    <td class="linenr"><a id="$lineno" href="#$lineno" class="linenr">$lineno</a></td>
1694    <td class="pre">$data</td>
1695  </tr>
1696HTML
1697        } # while (my $line = <$fd>)
1698        print "</table>\n\n";
1699        close $fd or print "Reading blob failed.\n";
1700        print "</div>";
1701        git_footer_html();
1702}
1703
1704sub git_tags {
1705        my $head = git_get_head_hash($project);
1706        git_header_html();
1707        git_print_page_nav('','', $head,undef,$head);
1708        git_print_header_div('summary', $project);
1709
1710        my $taglist = git_get_refs_list("refs/tags");
1711        if (defined @$taglist) {
1712                git_tags_body($taglist);
1713        }
1714        git_footer_html();
1715}
1716
1717sub git_heads {
1718        my $head = git_get_head_hash($project);
1719        git_header_html();
1720        git_print_page_nav('','', $head,undef,$head);
1721        git_print_header_div('summary', $project);
1722
1723        my $taglist = git_get_refs_list("refs/heads");
1724        if (defined @$taglist) {
1725                git_heads_body($taglist, $head);
1726        }
1727        git_footer_html();
1728}
1729
1730sub git_blob_plain {
1731        if (!defined $hash) {
1732                if (defined $file_name) {
1733                        my $base = $hash_base || git_get_head_hash($project);
1734                        $hash = git_get_hash_by_path($base, $file_name, "blob")
1735                                or die_error(undef, "Error lookup file");
1736                } else {
1737                        die_error(undef, "No file name defined");
1738                }
1739        }
1740        my $type = shift;
1741        open my $fd, "-|", $GIT, "cat-file", "blob", $hash
1742                or die_error(undef, "Couldn't cat $file_name, $hash");
1743
1744        $type ||= blob_mimetype($fd, $file_name);
1745
1746        # save as filename, even when no $file_name is given
1747        my $save_as = "$hash";
1748        if (defined $file_name) {
1749                $save_as = $file_name;
1750        } elsif ($type =~ m/^text\//) {
1751                $save_as .= '.txt';
1752        }
1753
1754        print $cgi->header(-type => "$type", '-content-disposition' => "inline; filename=\"$save_as\"");
1755        undef $/;
1756        binmode STDOUT, ':raw';
1757        print <$fd>;
1758        binmode STDOUT, ':utf8'; # as set at the beginning of gitweb.cgi
1759        $/ = "\n";
1760        close $fd;
1761}
1762
1763sub git_blob {
1764        if (!defined $hash) {
1765                if (defined $file_name) {
1766                        my $base = $hash_base || git_get_head_hash($project);
1767                        $hash = git_get_hash_by_path($base, $file_name, "blob")
1768                                or die_error(undef, "Error lookup file");
1769                } else {
1770                        die_error(undef, "No file name defined");
1771                }
1772        }
1773        my $have_blame = git_get_project_config_bool ('blame');
1774        open my $fd, "-|", $GIT, "cat-file", "blob", $hash
1775                or die_error(undef, "Couldn't cat $file_name, $hash");
1776        my $mimetype = blob_mimetype($fd, $file_name);
1777        if ($mimetype !~ m/^text\//) {
1778                close $fd;
1779                return git_blob_plain($mimetype);
1780        }
1781        git_header_html();
1782        my $formats_nav = '';
1783        if (defined $hash_base && (my %co = parse_commit($hash_base))) {
1784                if (defined $file_name) {
1785                        if ($have_blame) {
1786                                $formats_nav .= $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blame;h=$hash;hb=$hash_base;f=$file_name")}, "blame") . " | ";
1787                        }
1788                        $formats_nav .=
1789                                $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob_plain;h=$hash;f=$file_name")}, "plain") .
1790                                " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;hb=HEAD;f=$file_name")}, "head");
1791                } else {
1792                        $formats_nav .= $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob_plain;h=$hash")}, "plain");
1793                }
1794                git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
1795                git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
1796        } else {
1797                print "<div class=\"page_nav\">\n" .
1798                      "<br/><br/></div>\n" .
1799                      "<div class=\"title\">$hash</div>\n";
1800        }
1801        git_print_page_path($file_name, "blob");
1802        print "<div class=\"page_body\">\n";
1803        my $nr;
1804        while (my $line = <$fd>) {
1805                chomp $line;
1806                $nr++;
1807                $line = untabify($line);
1808                printf "<div class=\"pre\"><a id=\"l%i\" href=\"#l%i\" class=\"linenr\">%4i</a> %s</div>\n", $nr, $nr, $nr, esc_html($line);
1809        }
1810        close $fd or print "Reading blob failed.\n";
1811        print "</div>";
1812        git_footer_html();
1813}
1814
1815sub git_tree {
1816        if (!defined $hash) {
1817                $hash = git_get_head_hash($project);
1818                if (defined $file_name) {
1819                        my $base = $hash_base || $hash;
1820                        $hash = git_get_hash_by_path($base, $file_name, "tree");
1821                }
1822                if (!defined $hash_base) {
1823                        $hash_base = $hash;
1824                }
1825        }
1826        $/ = "\0";
1827        open my $fd, "-|", $GIT, "ls-tree", '-z', $hash
1828                or die_error(undef, "Open git-ls-tree failed");
1829        my @entries = map { chomp; $_ } <$fd>;
1830        close $fd or die_error(undef, "Reading tree failed");
1831        $/ = "\n";
1832
1833        my $refs = git_get_references();
1834        my $ref = format_ref_marker($refs, $hash_base);
1835        git_header_html();
1836        my $base_key = "";
1837        my $base = "";
1838        my $have_blame = git_get_project_config_bool ('blame');
1839        if (defined $hash_base && (my %co = parse_commit($hash_base))) {
1840                $base_key = ";hb=$hash_base";
1841                git_print_page_nav('tree','', $hash_base);
1842                git_print_header_div('commit', esc_html($co{'title'}) . $ref, $hash_base);
1843        } else {
1844                print "<div class=\"page_nav\">\n";
1845                print "<br/><br/></div>\n";
1846                print "<div class=\"title\">$hash</div>\n";
1847        }
1848        if (defined $file_name) {
1849                $base = esc_html("$file_name/");
1850        }
1851        git_print_page_path($file_name, 'tree');
1852        print "<div class=\"page_body\">\n";
1853        print "<table cellspacing=\"0\">\n";
1854        my $alternate = 0;
1855        foreach my $line (@entries) {
1856                #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
1857                $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
1858                my $t_mode = $1;
1859                my $t_type = $2;
1860                my $t_hash = $3;
1861                my $t_name = validate_input($4);
1862                if ($alternate) {
1863                        print "<tr class=\"dark\">\n";
1864                } else {
1865                        print "<tr class=\"light\">\n";
1866                }
1867                $alternate ^= 1;
1868                print "<td class=\"mode\">" . mode_str($t_mode) . "</td>\n";
1869                if ($t_type eq "blob") {
1870                        print "<td class=\"list\">" .
1871                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$t_hash$base_key;f=$base$t_name"), -class => "list"}, esc_html($t_name)) .
1872                              "</td>\n" .
1873                              "<td class=\"link\">" .
1874                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$t_hash$base_key;f=$base$t_name")}, "blob");
1875                        if ($have_blame) {
1876                                print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blame;h=$t_hash$base_key;f=$base$t_name")}, "blame");
1877                        }
1878                        print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=history;h=$t_hash;hb=$hash_base;f=$base$t_name")}, "history") .
1879                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob_plain;h=$t_hash;f=$base$t_name")}, "raw") .
1880                              "</td>\n";
1881                } elsif ($t_type eq "tree") {
1882                        print "<td class=\"list\">" .
1883                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$t_hash$base_key;f=$base$t_name")}, esc_html($t_name)) .
1884                              "</td>\n" .
1885                              "<td class=\"link\">" .
1886                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$t_hash$base_key;f=$base$t_name")}, "tree") .
1887                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=history;hb=$hash_base;f=$base$t_name")}, "history") .
1888                              "</td>\n";
1889                }
1890                print "</tr>\n";
1891        }
1892        print "</table>\n" .
1893              "</div>";
1894        git_footer_html();
1895}
1896
1897sub git_log {
1898        my $head = git_get_head_hash($project);
1899        if (!defined $hash) {
1900                $hash = $head;
1901        }
1902        if (!defined $page) {
1903                $page = 0;
1904        }
1905        my $refs = git_get_references();
1906
1907        my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
1908        open my $fd, "-|", $GIT, "rev-list", $limit, $hash
1909                or die_error(undef, "Open git-rev-list failed");
1910        my @revlist = map { chomp; $_ } <$fd>;
1911        close $fd;
1912
1913        my $paging_nav = format_paging_nav('log', $hash, $head, $page, $#revlist);
1914
1915        git_header_html();
1916        git_print_page_nav('log','', $hash,undef,undef, $paging_nav);
1917
1918        if (!@revlist) {
1919                my %co = parse_commit($hash);
1920
1921                git_print_header_div('summary', $project);
1922                print "<div class=\"page_body\"> Last change $co{'age_string'}.<br/><br/></div>\n";
1923        }
1924        for (my $i = ($page * 100); $i <= $#revlist; $i++) {
1925                my $commit = $revlist[$i];
1926                my $ref = format_ref_marker($refs, $commit);
1927                my %co = parse_commit($commit);
1928                next if !%co;
1929                my %ad = parse_date($co{'author_epoch'});
1930                git_print_header_div('commit',
1931                               "<span class=\"age\">$co{'age_string'}</span>" .
1932                               esc_html($co{'title'}) . $ref,
1933                               $commit);
1934                print "<div class=\"title_text\">\n" .
1935                      "<div class=\"log_link\">\n" .
1936                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit")}, "commit") .
1937                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
1938                      "<br/>\n" .
1939                      "</div>\n" .
1940                      "<i>" . esc_html($co{'author_name'}) .  " [$ad{'rfc2822'}]</i><br/>\n" .
1941                      "</div>\n" .
1942                      "<div class=\"log_body\">\n";
1943                my $comment = $co{'comment'};
1944                my $empty = 0;
1945                foreach my $line (@$comment) {
1946                        if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1947                                next;
1948                        }
1949                        if ($line eq "") {
1950                                if ($empty) {
1951                                        next;
1952                                }
1953                                $empty = 1;
1954                        } else {
1955                                $empty = 0;
1956                        }
1957                        print format_log_line_html($line) . "<br/>\n";
1958                }
1959                if (!$empty) {
1960                        print "<br/>\n";
1961                }
1962                print "</div>\n";
1963        }
1964        git_footer_html();
1965}
1966
1967sub git_commit {
1968        my %co = parse_commit($hash);
1969        if (!%co) {
1970                die_error(undef, "Unknown commit object");
1971        }
1972        my %ad = parse_date($co{'author_epoch'}, $co{'author_tz'});
1973        my %cd = parse_date($co{'committer_epoch'}, $co{'committer_tz'});
1974
1975        my $parent = $co{'parent'};
1976        if (!defined $parent) {
1977                $parent = "--root";
1978        }
1979        open my $fd, "-|", $GIT, "diff-tree", '-r', '-M', $parent, $hash
1980                or die_error(undef, "Open git-diff-tree failed");
1981        my @difftree = map { chomp; $_ } <$fd>;
1982        close $fd or die_error(undef, "Reading git-diff-tree failed");
1983
1984        # non-textual hash id's can be cached
1985        my $expires;
1986        if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
1987                $expires = "+1d";
1988        }
1989        my $refs = git_get_references();
1990        my $ref = format_ref_marker($refs, $co{'id'});
1991        my $formats_nav = '';
1992        if (defined $file_name && defined $co{'parent'}) {
1993                my $parent = $co{'parent'};
1994                $formats_nav .= $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blame;hb=$parent;f=$file_name")}, "blame");
1995        }
1996        git_header_html(undef, $expires);
1997        git_print_page_nav('commit', defined $co{'parent'} ? '' : 'commitdiff',
1998                     $hash, $co{'tree'}, $hash,
1999                     $formats_nav);
2000
2001        if (defined $co{'parent'}) {
2002                git_print_header_div('commitdiff', esc_html($co{'title'}) . $ref, $hash);
2003        } else {
2004                git_print_header_div('tree', esc_html($co{'title'}) . $ref, $co{'tree'}, $hash);
2005        }
2006        print "<div class=\"title_text\">\n" .
2007              "<table cellspacing=\"0\">\n";
2008        print "<tr><td>author</td><td>" . esc_html($co{'author'}) . "</td></tr>\n".
2009              "<tr>" .
2010              "<td></td><td> $ad{'rfc2822'}";
2011        if ($ad{'hour_local'} < 6) {
2012                printf(" (<span class=\"atnight\">%02d:%02d</span> %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
2013        } else {
2014                printf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
2015        }
2016        print "</td>" .
2017              "</tr>\n";
2018        print "<tr><td>committer</td><td>" . esc_html($co{'committer'}) . "</td></tr>\n";
2019        print "<tr><td></td><td> $cd{'rfc2822'}" . sprintf(" (%02d:%02d %s)", $cd{'hour_local'}, $cd{'minute_local'}, $cd{'tz_local'}) . "</td></tr>\n";
2020        print "<tr><td>commit</td><td class=\"sha1\">$co{'id'}</td></tr>\n";
2021        print "<tr>" .
2022              "<td>tree</td>" .
2023              "<td class=\"sha1\">" .
2024              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash"), class => "list"}, $co{'tree'}) .
2025              "</td>" .
2026              "<td class=\"link\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") .
2027              "</td>" .
2028              "</tr>\n";
2029        my $parents = $co{'parents'};
2030        foreach my $par (@$parents) {
2031                print "<tr>" .
2032                      "<td>parent</td>" .
2033                      "<td class=\"sha1\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$par"), class => "list"}, $par) . "</td>" .
2034                      "<td class=\"link\">" .
2035                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$par")}, "commit") .
2036                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash;hp=$par")}, "commitdiff") .
2037                      "</td>" .
2038                      "</tr>\n";
2039        }
2040        print "</table>".
2041              "</div>\n";
2042        print "<div class=\"page_body\">\n";
2043        my $comment = $co{'comment'};
2044        my $empty = 0;
2045        my $signed = 0;
2046        foreach my $line (@$comment) {
2047                # print only one empty line
2048                if ($line eq "") {
2049                        if ($empty || $signed) {
2050                                next;
2051                        }
2052                        $empty = 1;
2053                } else {
2054                        $empty = 0;
2055                }
2056                if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
2057                        $signed = 1;
2058                        print "<span class=\"signoff\">" . esc_html($line) . "</span><br/>\n";
2059                } else {
2060                        $signed = 0;
2061                        print format_log_line_html($line) . "<br/>\n";
2062                }
2063        }
2064        print "</div>\n";
2065        print "<div class=\"list_head\">\n";
2066        if ($#difftree > 10) {
2067                print(($#difftree + 1) . " files changed:\n");
2068        }
2069        print "</div>\n";
2070        print "<table class=\"diff_tree\">\n";
2071        my $alternate = 0;
2072        foreach my $line (@difftree) {
2073                # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M      ls-files.c'
2074                # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M      rev-tree.c'
2075                if ($line !~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/) {
2076                        next;
2077                }
2078                my $from_mode = $1;
2079                my $to_mode = $2;
2080                my $from_id = $3;
2081                my $to_id = $4;
2082                my $status = $5;
2083                my $similarity = $6;
2084                my $file = validate_input(unquote($7));
2085                if ($alternate) {
2086                        print "<tr class=\"dark\">\n";
2087                } else {
2088                        print "<tr class=\"light\">\n";
2089                }
2090                $alternate ^= 1;
2091                if ($status eq "A") {
2092                        my $mode_chng = "";
2093                        if (S_ISREG(oct $to_mode)) {
2094                                $mode_chng = sprintf(" with mode: %04o", (oct $to_mode) & 0777);
2095                        }
2096                        print "<td>" .
2097                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file"), -class => "list"}, esc_html($file)) . "</td>\n" .
2098                              "<td><span class=\"file_status new\">[new " . file_type($to_mode) . "$mode_chng]</span></td>\n" .
2099                              "<td class=\"link\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, "blob") . "</td>\n";
2100                } elsif ($status eq "D") {
2101                        print "<td>" .
2102                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$parent;f=$file"), -class => "list"}, esc_html($file)) . "</td>\n" .
2103                              "<td><span class=\"file_status deleted\">[deleted " . file_type($from_mode). "]</span></td>\n" .
2104                              "<td class=\"link\">" .
2105                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$parent;f=$file")}, "blob") .
2106                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=history;hb=$parent;f=$file")}, "history") .
2107                              "</td>\n"
2108                } elsif ($status eq "M" || $status eq "T") {
2109                        my $mode_chnge = "";
2110                        if ($from_mode != $to_mode) {
2111                                $mode_chnge = " <span class=\"file_status mode_chnge\">[changed";
2112                                if (((oct $from_mode) & S_IFMT) != ((oct $to_mode) & S_IFMT)) {
2113                                        $mode_chnge .= " from " . file_type($from_mode) . " to " . file_type($to_mode);
2114                                }
2115                                if (((oct $from_mode) & 0777) != ((oct $to_mode) & 0777)) {
2116                                        if (S_ISREG($from_mode) && S_ISREG($to_mode)) {
2117                                                $mode_chnge .= sprintf(" mode: %04o->%04o", (oct $from_mode) & 0777, (oct $to_mode) & 0777);
2118                                        } elsif (S_ISREG($to_mode)) {
2119                                                $mode_chnge .= sprintf(" mode: %04o", (oct $to_mode) & 0777);
2120                                        }
2121                                }
2122                                $mode_chnge .= "]</span>\n";
2123                        }
2124                        print "<td>";
2125                        if ($to_id ne $from_id) {
2126                                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));
2127                        } else {
2128                                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file"), -class => "list"}, esc_html($file));
2129                        }
2130                        print "</td>\n" .
2131                              "<td>$mode_chnge</td>\n" .
2132                              "<td class=\"link\">";
2133                        print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, "blob");
2134                        if ($to_id ne $from_id) {
2135                                print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$file")}, "diff");
2136                        }
2137                        print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=history;hb=$hash;f=$file")}, "history") . "\n";
2138                        print "</td>\n";
2139                } elsif ($status eq "R") {
2140                        my ($from_file, $to_file) = split "\t", $file;
2141                        my $mode_chng = "";
2142                        if ($from_mode != $to_mode) {
2143                                $mode_chng = sprintf(", mode: %04o", (oct $to_mode) & 0777);
2144                        }
2145                        print "<td>" .
2146                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$to_file"), -class => "list"}, esc_html($to_file)) . "</td>\n" .
2147                              "<td><span class=\"file_status moved\">[moved from " .
2148                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$parent;f=$from_file"), -class => "list"}, esc_html($from_file)) .
2149                              " with " . (int $similarity) . "% similarity$mode_chng]</span></td>\n" .
2150                              "<td class=\"link\">" .
2151                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$to_file")}, "blob");
2152                        if ($to_id ne $from_id) {
2153                                print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$to_file")}, "diff");
2154                        }
2155                        print "</td>\n";
2156                }
2157                print "</tr>\n";
2158        }
2159        print "</table>\n";
2160        git_footer_html();
2161}
2162
2163sub git_blobdiff {
2164        mkdir($git_temp, 0700);
2165        git_header_html();
2166        if (defined $hash_base && (my %co = parse_commit($hash_base))) {
2167                my $formats_nav =
2168                        $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff_plain;h=$hash;hp=$hash_parent")}, "plain");
2169                git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
2170                git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2171        } else {
2172                print "<div class=\"page_nav\">\n" .
2173                      "<br/><br/></div>\n" .
2174                      "<div class=\"title\">$hash vs $hash_parent</div>\n";
2175        }
2176        git_print_page_path($file_name, "blob");
2177        print "<div class=\"page_body\">\n" .
2178              "<div class=\"diff_info\">blob:" .
2179              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$hash_parent;hb=$hash_base;f=$file_name")}, $hash_parent) .
2180              " -> blob:" .
2181              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$hash;hb=$hash_base;f=$file_name")}, $hash) .
2182              "</div>\n";
2183        git_diff_print($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash);
2184        print "</div>";
2185        git_footer_html();
2186}
2187
2188sub git_blobdiff_plain {
2189        mkdir($git_temp, 0700);
2190        print $cgi->header(-type => "text/plain", -charset => 'utf-8');
2191        git_diff_print($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash, "plain");
2192}
2193
2194sub git_commitdiff {
2195        mkdir($git_temp, 0700);
2196        my %co = parse_commit($hash);
2197        if (!%co) {
2198                die_error(undef, "Unknown commit object");
2199        }
2200        if (!defined $hash_parent) {
2201                $hash_parent = $co{'parent'} || '--root';
2202        }
2203        open my $fd, "-|", $GIT, "diff-tree", '-r', $hash_parent, $hash
2204                or die_error(undef, "Open git-diff-tree failed");
2205        my @difftree = map { chomp; $_ } <$fd>;
2206        close $fd or die_error(undef, "Reading git-diff-tree failed");
2207
2208        # non-textual hash id's can be cached
2209        my $expires;
2210        if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
2211                $expires = "+1d";
2212        }
2213        my $refs = git_get_references();
2214        my $ref = format_ref_marker($refs, $co{'id'});
2215        my $formats_nav =
2216                $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff_plain;h=$hash;hp=$hash_parent")}, "plain");
2217        git_header_html(undef, $expires);
2218        git_print_page_nav('commitdiff','', $hash,$co{'tree'},$hash, $formats_nav);
2219        git_print_header_div('commit', esc_html($co{'title'}) . $ref, $hash);
2220        print "<div class=\"page_body\">\n";
2221        my $comment = $co{'comment'};
2222        my $empty = 0;
2223        my $signed = 0;
2224        my @log = @$comment;
2225        # remove first and empty lines after that
2226        shift @log;
2227        while (defined $log[0] && $log[0] eq "") {
2228                shift @log;
2229        }
2230        foreach my $line (@log) {
2231                if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
2232                        next;
2233                }
2234                if ($line eq "") {
2235                        if ($empty) {
2236                                next;
2237                        }
2238                        $empty = 1;
2239                } else {
2240                        $empty = 0;
2241                }
2242                print format_log_line_html($line) . "<br/>\n";
2243        }
2244        print "<br/>\n";
2245        foreach my $line (@difftree) {
2246                # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M      ls-files.c'
2247                # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M      rev-tree.c'
2248                if ($line !~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/) {
2249                        next;
2250                }
2251                my $from_mode = $1;
2252                my $to_mode = $2;
2253                my $from_id = $3;
2254                my $to_id = $4;
2255                my $status = $5;
2256                my $file = validate_input(unquote($6));
2257                if ($status eq "A") {
2258                        print "<div class=\"diff_info\">" . file_type($to_mode) . ":" .
2259                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, $to_id) . "(new)" .
2260                              "</div>\n";
2261                        git_diff_print(undef, "/dev/null", $to_id, "b/$file");
2262                } elsif ($status eq "D") {
2263                        print "<div class=\"diff_info\">" . file_type($from_mode) . ":" .
2264                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash_parent;f=$file")}, $from_id) . "(deleted)" .
2265                              "</div>\n";
2266                        git_diff_print($from_id, "a/$file", undef, "/dev/null");
2267                } elsif ($status eq "M") {
2268                        if ($from_id ne $to_id) {
2269                                print "<div class=\"diff_info\">" .
2270                                      file_type($from_mode) . ":" .
2271                                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash_parent;f=$file")}, $from_id) .
2272                                      " -> " .
2273                                      file_type($to_mode) . ":" .
2274                                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, $to_id);
2275                                print "</div>\n";
2276                                git_diff_print($from_id, "a/$file",  $to_id, "b/$file");
2277                        }
2278                }
2279        }
2280        print "<br/>\n" .
2281              "</div>";
2282        git_footer_html();
2283}
2284
2285sub git_commitdiff_plain {
2286        mkdir($git_temp, 0700);
2287        my %co = parse_commit($hash);
2288        if (!%co) {
2289                die_error(undef, "Unknown commit object");
2290        }
2291        if (!defined $hash_parent) {
2292                $hash_parent = $co{'parent'} || '--root';
2293        }
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 = git_get_references("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 %ad = parse_date($co{'author_epoch'}, $co{'author_tz'});
2316        my $comment = $co{'comment'};
2317        print "From: $co{'author'}\n" .
2318              "Date: $ad{'rfc2822'} ($ad{'tz_local'})\n".
2319              "Subject: $co{'title'}\n";
2320        if (defined $tagname) {
2321                print "X-Git-Tag: $tagname\n";
2322        }
2323        print "X-Git-Url: $my_url?p=$project;a=commitdiff;h=$hash\n" .
2324              "\n";
2325
2326        foreach my $line (@$comment) {;
2327                print "$line\n";
2328        }
2329        print "---\n\n";
2330
2331        foreach my $line (@difftree) {
2332                if ($line !~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/) {
2333                        next;
2334                }
2335                my $from_id = $3;
2336                my $to_id = $4;
2337                my $status = $5;
2338                my $file = $6;
2339                if ($status eq "A") {
2340                        git_diff_print(undef, "/dev/null", $to_id, "b/$file", "plain");
2341                } elsif ($status eq "D") {
2342                        git_diff_print($from_id, "a/$file", undef, "/dev/null", "plain");
2343                } elsif ($status eq "M") {
2344                        git_diff_print($from_id, "a/$file",  $to_id, "b/$file", "plain");
2345                }
2346        }
2347}
2348
2349sub git_history {
2350        if (!defined $hash_base) {
2351                $hash_base = git_get_head_hash($project);
2352        }
2353        my $ftype;
2354        my %co = parse_commit($hash_base);
2355        if (!%co) {
2356                die_error(undef, "Unknown commit object");
2357        }
2358        my $refs = git_get_references();
2359        git_header_html();
2360        git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base);
2361        git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2362        if (!defined $hash && defined $file_name) {
2363                $hash = git_get_hash_by_path($hash_base, $file_name);
2364        }
2365        if (defined $hash) {
2366                $ftype = git_get_type($hash);
2367        }
2368        git_print_page_path($file_name, $ftype);
2369
2370        open my $fd, "-|",
2371                $GIT, "rev-list", "--full-history", $hash_base, "--", $file_name;
2372        git_history_body($fd, $refs, $hash_base, $ftype);
2373
2374        close $fd;
2375        git_footer_html();
2376}
2377
2378sub git_search {
2379        if (!defined $searchtext) {
2380                die_error(undef, "Text field empty");
2381        }
2382        if (!defined $hash) {
2383                $hash = git_get_head_hash($project);
2384        }
2385        my %co = parse_commit($hash);
2386        if (!%co) {
2387                die_error(undef, "Unknown commit object");
2388        }
2389        # pickaxe may take all resources of your box and run for several minutes
2390        # with every query - so decide by yourself how public you make this feature :)
2391        my $commit_search = 1;
2392        my $author_search = 0;
2393        my $committer_search = 0;
2394        my $pickaxe_search = 0;
2395        if ($searchtext =~ s/^author\\://i) {
2396                $author_search = 1;
2397        } elsif ($searchtext =~ s/^committer\\://i) {
2398                $committer_search = 1;
2399        } elsif ($searchtext =~ s/^pickaxe\\://i) {
2400                $commit_search = 0;
2401                $pickaxe_search = 1;
2402        }
2403        git_header_html();
2404        git_print_page_nav('','', $hash,$co{'tree'},$hash);
2405        git_print_header_div('commit', esc_html($co{'title'}), $hash);
2406
2407        print "<table cellspacing=\"0\">\n";
2408        my $alternate = 0;
2409        if ($commit_search) {
2410                $/ = "\0";
2411                open my $fd, "-|", $GIT, "rev-list", "--header", "--parents", $hash or next;
2412                while (my $commit_text = <$fd>) {
2413                        if (!grep m/$searchtext/i, $commit_text) {
2414                                next;
2415                        }
2416                        if ($author_search && !grep m/\nauthor .*$searchtext/i, $commit_text) {
2417                                next;
2418                        }
2419                        if ($committer_search && !grep m/\ncommitter .*$searchtext/i, $commit_text) {
2420                                next;
2421                        }
2422                        my @commit_lines = split "\n", $commit_text;
2423                        my %co = parse_commit(undef, \@commit_lines);
2424                        if (!%co) {
2425                                next;
2426                        }
2427                        if ($alternate) {
2428                                print "<tr class=\"dark\">\n";
2429                        } else {
2430                                print "<tr class=\"light\">\n";
2431                        }
2432                        $alternate ^= 1;
2433                        print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2434                              "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
2435                              "<td>" .
2436                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}"), -class => "list"}, "<b>" . esc_html(chop_str($co{'title'}, 50)) . "</b><br/>");
2437                        my $comment = $co{'comment'};
2438                        foreach my $line (@$comment) {
2439                                if ($line =~ m/^(.*)($searchtext)(.*)$/i) {
2440                                        my $lead = esc_html($1) || "";
2441                                        $lead = chop_str($lead, 30, 10);
2442                                        my $match = esc_html($2) || "";
2443                                        my $trail = esc_html($3) || "";
2444                                        $trail = chop_str($trail, 30, 10);
2445                                        my $text = "$lead<span class=\"match\">$match</span>$trail";
2446                                        print chop_str($text, 80, 5) . "<br/>\n";
2447                                }
2448                        }
2449                        print "</td>\n" .
2450                              "<td class=\"link\">" .
2451                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}")}, "commit") .
2452                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$co{'id'}")}, "tree");
2453                        print "</td>\n" .
2454                              "</tr>\n";
2455                }
2456                close $fd;
2457        }
2458
2459        if ($pickaxe_search) {
2460                $/ = "\n";
2461                open my $fd, "-|", "$GIT rev-list $hash | $GIT diff-tree -r --stdin -S\'$searchtext\'";
2462                undef %co;
2463                my @files;
2464                while (my $line = <$fd>) {
2465                        if (%co && $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/) {
2466                                my %set;
2467                                $set{'file'} = $6;
2468                                $set{'from_id'} = $3;
2469                                $set{'to_id'} = $4;
2470                                $set{'id'} = $set{'to_id'};
2471                                if ($set{'id'} =~ m/0{40}/) {
2472                                        $set{'id'} = $set{'from_id'};
2473                                }
2474                                if ($set{'id'} =~ m/0{40}/) {
2475                                        next;
2476                                }
2477                                push @files, \%set;
2478                        } elsif ($line =~ m/^([0-9a-fA-F]{40})$/){
2479                                if (%co) {
2480                                        if ($alternate) {
2481                                                print "<tr class=\"dark\">\n";
2482                                        } else {
2483                                                print "<tr class=\"light\">\n";
2484                                        }
2485                                        $alternate ^= 1;
2486                                        print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2487                                              "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
2488                                              "<td>" .
2489                                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}"), -class => "list"}, "<b>" .
2490                                              esc_html(chop_str($co{'title'}, 50)) . "</b><br/>");
2491                                        while (my $setref = shift @files) {
2492                                                my %set = %$setref;
2493                                                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$set{'id'};hb=$co{'id'};f=$set{'file'}"), class => "list"},
2494                                                      "<span class=\"match\">" . esc_html($set{'file'}) . "</span>") .
2495                                                      "<br/>\n";
2496                                        }
2497                                        print "</td>\n" .
2498                                              "<td class=\"link\">" .
2499                                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}")}, "commit") .
2500                                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$co{'id'}")}, "tree");
2501                                        print "</td>\n" .
2502                                              "</tr>\n";
2503                                }
2504                                %co = parse_commit($1);
2505                        }
2506                }
2507                close $fd;
2508        }
2509        print "</table>\n";
2510        git_footer_html();
2511}
2512
2513sub git_shortlog {
2514        my $head = git_get_head_hash($project);
2515        if (!defined $hash) {
2516                $hash = $head;
2517        }
2518        if (!defined $page) {
2519                $page = 0;
2520        }
2521        my $refs = git_get_references();
2522
2523        my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
2524        open my $fd, "-|", $GIT, "rev-list", $limit, $hash
2525                or die_error(undef, "Open git-rev-list failed");
2526        my @revlist = map { chomp; $_ } <$fd>;
2527        close $fd;
2528
2529        my $paging_nav = format_paging_nav('shortlog', $hash, $head, $page, $#revlist);
2530        my $next_link = '';
2531        if ($#revlist >= (100 * ($page+1)-1)) {
2532                $next_link =
2533                        $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash;pg=" . ($page+1)),
2534                                 -title => "Alt-n"}, "next");
2535        }
2536
2537
2538        git_header_html();
2539        git_print_page_nav('shortlog','', $hash,$hash,$hash, $paging_nav);
2540        git_print_header_div('summary', $project);
2541
2542        git_shortlog_body(\@revlist, ($page * 100), $#revlist, $refs, $next_link);
2543
2544        git_footer_html();
2545}
2546
2547## ......................................................................
2548## feeds (RSS, OPML)
2549
2550sub git_rss {
2551        # http://www.notestips.com/80256B3A007F2692/1/NAMO5P9UPQ
2552        open my $fd, "-|", $GIT, "rev-list", "--max-count=150", git_get_head_hash($project)
2553                or die_error(undef, "Open git-rev-list failed");
2554        my @revlist = map { chomp; $_ } <$fd>;
2555        close $fd or die_error(undef, "Reading git-rev-list failed");
2556        print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
2557        print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
2558              "<rss version=\"2.0\" xmlns:content=\"http://purl.org/rss/1.0/modules/content/\">\n";
2559        print "<channel>\n";
2560        print "<title>$project</title>\n".
2561              "<link>" . esc_html("$my_url?p=$project;a=summary") . "</link>\n".
2562              "<description>$project log</description>\n".
2563              "<language>en</language>\n";
2564
2565        for (my $i = 0; $i <= $#revlist; $i++) {
2566                my $commit = $revlist[$i];
2567                my %co = parse_commit($commit);
2568                # we read 150, we always show 30 and the ones more recent than 48 hours
2569                if (($i >= 20) && ((time - $co{'committer_epoch'}) > 48*60*60)) {
2570                        last;
2571                }
2572                my %cd = parse_date($co{'committer_epoch'});
2573                open $fd, "-|", $GIT, "diff-tree", '-r', $co{'parent'}, $co{'id'} or next;
2574                my @difftree = map { chomp; $_ } <$fd>;
2575                close $fd or next;
2576                print "<item>\n" .
2577                      "<title>" .
2578                      sprintf("%d %s %02d:%02d", $cd{'mday'}, $cd{'month'}, $cd{'hour'}, $cd{'minute'}) . " - " . esc_html($co{'title'}) .
2579                      "</title>\n" .
2580                      "<author>" . esc_html($co{'author'}) . "</author>\n" .
2581                      "<pubDate>$cd{'rfc2822'}</pubDate>\n" .
2582                      "<guid isPermaLink=\"true\">" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</guid>\n" .
2583                      "<link>" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</link>\n" .
2584                      "<description>" . esc_html($co{'title'}) . "</description>\n" .
2585                      "<content:encoded>" .
2586                      "<![CDATA[\n";
2587                my $comment = $co{'comment'};
2588                foreach my $line (@$comment) {
2589                        $line = decode("utf8", $line, Encode::FB_DEFAULT);
2590                        print "$line<br/>\n";
2591                }
2592                print "<br/>\n";
2593                foreach my $line (@difftree) {
2594                        if (!($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/)) {
2595                                next;
2596                        }
2597                        my $file = validate_input(unquote($7));
2598                        $file = decode("utf8", $file, Encode::FB_DEFAULT);
2599                        print "$file<br/>\n";
2600                }
2601                print "]]>\n" .
2602                      "</content:encoded>\n" .
2603                      "</item>\n";
2604        }
2605        print "</channel></rss>";
2606}
2607
2608sub git_opml {
2609        my @list = git_get_projects_list();
2610
2611        print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
2612        print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
2613              "<opml version=\"1.0\">\n".
2614              "<head>".
2615              "  <title>$site_name Git OPML Export</title>\n".
2616              "</head>\n".
2617              "<body>\n".
2618              "<outline text=\"git RSS feeds\">\n";
2619
2620        foreach my $pr (@list) {
2621                my %proj = %$pr;
2622                my $head = git_get_head_hash($proj{'path'});
2623                if (!defined $head) {
2624                        next;
2625                }
2626                $ENV{'GIT_DIR'} = "$projectroot/$proj{'path'}";
2627                my %co = parse_commit($head);
2628                if (!%co) {
2629                        next;
2630                }
2631
2632                my $path = esc_html(chop_str($proj{'path'}, 25, 5));
2633                my $rss  = "$my_url?p=$proj{'path'};a=rss";
2634                my $html = "$my_url?p=$proj{'path'};a=summary";
2635                print "<outline type=\"rss\" text=\"$path\" title=\"$path\" xmlUrl=\"$rss\" htmlUrl=\"$html\"/>\n";
2636        }
2637        print "</outline>\n".
2638              "</body>\n".
2639              "</opml>\n";
2640}