Andrew's git - gitweb.git/blob - gitweb/gitweb.perl

   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        my $markers = '';
 368
 369        if (defined $refs->{$id}) {
 370                foreach my $ref (@{$refs->{$id}}) {
 371                        my ($type, $name) = qw();
 372                        # e.g. tags/v2.6.11 or heads/next
 373                        if ($ref =~ m!^(.*?)s?/(.*)$!) {
 374                                $type = $1;
 375                                $name = $2;
 376                        } else {
 377                                $type = "ref";
 378                                $name = $ref;
 379                        }
 380
 381                        $markers .= " <span class=\"$type\">" . esc_html($name) . "</span>";
 382                }
 383        }
 384
 385        if ($markers) {
 386                return ' <span class="refs">'. $markers . '</span>';
 387        } else {
 388                return "";
 389        }
 390}
 391
 392# format, perhaps shortened and with markers, title line
 393sub format_subject_html {
 394        my ($long, $short, $query, $extra) = @_;
 395        $extra = '' unless defined($extra);
 396
 397        if (length($short) < length($long)) {
 398                return $cgi->a({-href => "$my_uri?" . esc_param($query),
 399                               -class => "list", -title => $long},
 400                       esc_html($short) . $extra);
 401        } else {
 402                return $cgi->a({-href => "$my_uri?" . esc_param($query),
 403                               -class => "list"},
 404                       esc_html($long)  . $extra);
 405        }
 406}
 407
 408## ----------------------------------------------------------------------
 409## git utility subroutines, invoking git commands
 410
 411# get HEAD ref of given project as hash
 412sub git_get_head_hash {
 413        my $project = shift;
 414        my $oENV = $ENV{'GIT_DIR'};
 415        my $retval = undef;
 416        $ENV{'GIT_DIR'} = "$projectroot/$project";
 417        if (open my $fd, "-|", $GIT, "rev-parse", "--verify", "HEAD") {
 418                my $head = <$fd>;
 419                close $fd;
 420                if (defined $head && $head =~ /^([0-9a-fA-F]{40})$/) {
 421                        $retval = $1;
 422                }
 423        }
 424        if (defined $oENV) {
 425                $ENV{'GIT_DIR'} = $oENV;
 426        }
 427        return $retval;
 428}
 429
 430# get type of given object
 431sub git_get_type {
 432        my $hash = shift;
 433
 434        open my $fd, "-|", $GIT, "cat-file", '-t', $hash or return;
 435        my $type = <$fd>;
 436        close $fd or return;
 437        chomp $type;
 438        return $type;
 439}
 440
 441sub git_get_project_config {
 442        my $key = shift;
 443
 444        return unless ($key);
 445        $key =~ s/^gitweb\.//;
 446        return if ($key =~ m/\W/);
 447
 448        my $val = qx($GIT repo-config --get gitweb.$key);
 449        return ($val);
 450}
 451
 452sub git_get_project_config_bool {
 453        my $val = git_get_project_config (@_);
 454        if ($val and $val =~ m/true|yes|on/) {
 455                return (1);
 456        }
 457        return; # implicit false
 458}
 459
 460# get hash of given path at given ref
 461sub git_get_hash_by_path {
 462        my $base = shift;
 463        my $path = shift || return undef;
 464
 465        my $tree = $base;
 466
 467        open my $fd, "-|", $GIT, "ls-tree", $base, "--", $path
 468                or die_error(undef, "Open git-ls-tree failed");
 469        my $line = <$fd>;
 470        close $fd or return undef;
 471
 472        #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa  panic.c'
 473        $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
 474        return $3;
 475}
 476
 477## ......................................................................
 478## git utility functions, directly accessing git repository
 479
 480# assumes that PATH is not symref
 481sub git_get_hash_by_ref {
 482        my $path = shift;
 483
 484        open my $fd, "$projectroot/$path" or return undef;
 485        my $head = <$fd>;
 486        close $fd;
 487        chomp $head;
 488        if ($head =~ m/^[0-9a-fA-F]{40}$/) {
 489                return $head;
 490        }
 491}
 492
 493sub git_get_project_description {
 494        my $path = shift;
 495
 496        open my $fd, "$projectroot/$path/description" or return undef;
 497        my $descr = <$fd>;
 498        close $fd;
 499        chomp $descr;
 500        return $descr;
 501}
 502
 503sub git_get_projects_list {
 504        my @list;
 505
 506        if (-d $projects_list) {
 507                # search in directory
 508                my $dir = $projects_list;
 509                opendir my ($dh), $dir or return undef;
 510                while (my $dir = readdir($dh)) {
 511                        if (-e "$projectroot/$dir/HEAD") {
 512                                my $pr = {
 513                                        path => $dir,
 514                                };
 515                                push @list, $pr
 516                        }
 517                }
 518                closedir($dh);
 519        } elsif (-f $projects_list) {
 520                # read from file(url-encoded):
 521                # 'git%2Fgit.git Linus+Torvalds'
 522                # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
 523                # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
 524                open my ($fd), $projects_list or return undef;
 525                while (my $line = <$fd>) {
 526                        chomp $line;
 527                        my ($path, $owner) = split ' ', $line;
 528                        $path = unescape($path);
 529                        $owner = unescape($owner);
 530                        if (!defined $path) {
 531                                next;
 532                        }
 533                        if (-e "$projectroot/$path/HEAD") {
 534                                my $pr = {
 535                                        path => $path,
 536                                        owner => decode("utf8", $owner, Encode::FB_DEFAULT),
 537                                };
 538                                push @list, $pr
 539                        }
 540                }
 541                close $fd;
 542        }
 543        @list = sort {$a->{'path'} cmp $b->{'path'}} @list;
 544        return @list;
 545}
 546
 547sub git_get_project_owner {
 548        my $project = shift;
 549        my $owner;
 550
 551        return undef unless $project;
 552
 553        # read from file (url-encoded):
 554        # 'git%2Fgit.git Linus+Torvalds'
 555        # 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
 556        # 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
 557        if (-f $projects_list) {
 558                open (my $fd , $projects_list);
 559                while (my $line = <$fd>) {
 560                        chomp $line;
 561                        my ($pr, $ow) = split ' ', $line;
 562                        $pr = unescape($pr);
 563                        $ow = unescape($ow);
 564                        if ($pr eq $project) {
 565                                $owner = decode("utf8", $ow, Encode::FB_DEFAULT);
 566                                last;
 567                        }
 568                }
 569                close $fd;
 570        }
 571        if (!defined $owner) {
 572                $owner = get_file_owner("$projectroot/$project");
 573        }
 574
 575        return $owner;
 576}
 577
 578sub git_get_references {
 579        my $type = shift || "";
 580        my %refs;
 581        my $fd;
 582        # 5dc01c595e6c6ec9ccda4f6f69c131c0dd945f8c      refs/tags/v2.6.11
 583        # c39ae07f393806ccf406ef966e9a15afc43cc36a      refs/tags/v2.6.11^{}
 584        if (-f "$projectroot/$project/info/refs") {
 585                open $fd, "$projectroot/$project/info/refs"
 586                        or return;
 587        } else {
 588                open $fd, "-|", $GIT, "ls-remote", "."
 589                        or return;
 590        }
 591
 592        while (my $line = <$fd>) {
 593                chomp $line;
 594                if ($line =~ m/^([0-9a-fA-F]{40})\trefs\/($type\/?[^\^]+)/) {
 595                        if (defined $refs{$1}) {
 596                                push @{$refs{$1}}, $2;
 597                        } else {
 598                                $refs{$1} = [ $2 ];
 599                        }
 600                }
 601        }
 602        close $fd or return;
 603        return \%refs;
 604}
 605
 606## ----------------------------------------------------------------------
 607## parse to hash functions
 608
 609sub parse_date {
 610        my $epoch = shift;
 611        my $tz = shift || "-0000";
 612
 613        my %date;
 614        my @months = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
 615        my @days = ("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat");
 616        my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($epoch);
 617        $date{'hour'} = $hour;
 618        $date{'minute'} = $min;
 619        $date{'mday'} = $mday;
 620        $date{'day'} = $days[$wday];
 621        $date{'month'} = $months[$mon];
 622        $date{'rfc2822'} = sprintf "%s, %d %s %4d %02d:%02d:%02d +0000", $days[$wday], $mday, $months[$mon], 1900+$year, $hour ,$min, $sec;
 623        $date{'mday-time'} = sprintf "%d %s %02d:%02d", $mday, $months[$mon], $hour ,$min;
 624
 625        $tz =~ m/^([+\-][0-9][0-9])([0-9][0-9])$/;
 626        my $local = $epoch + ((int $1 + ($2/60)) * 3600);
 627        ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($local);
 628        $date{'hour_local'} = $hour;
 629        $date{'minute_local'} = $min;
 630        $date{'tz_local'} = $tz;
 631        return %date;
 632}
 633
 634sub parse_tag {
 635        my $tag_id = shift;
 636        my %tag;
 637        my @comment;
 638
 639        open my $fd, "-|", $GIT, "cat-file", "tag", $tag_id or return;
 640        $tag{'id'} = $tag_id;
 641        while (my $line = <$fd>) {
 642                chomp $line;
 643                if ($line =~ m/^object ([0-9a-fA-F]{40})$/) {
 644                        $tag{'object'} = $1;
 645                } elsif ($line =~ m/^type (.+)$/) {
 646                        $tag{'type'} = $1;
 647                } elsif ($line =~ m/^tag (.+)$/) {
 648                        $tag{'name'} = $1;
 649                } elsif ($line =~ m/^tagger (.*) ([0-9]+) (.*)$/) {
 650                        $tag{'author'} = $1;
 651                        $tag{'epoch'} = $2;
 652                        $tag{'tz'} = $3;
 653                } elsif ($line =~ m/--BEGIN/) {
 654                        push @comment, $line;
 655                        last;
 656                } elsif ($line eq "") {
 657                        last;
 658                }
 659        }
 660        push @comment, <$fd>;
 661        $tag{'comment'} = \@comment;
 662        close $fd or return;
 663        if (!defined $tag{'name'}) {
 664                return
 665        };
 666        return %tag
 667}
 668
 669sub parse_commit {
 670        my $commit_id = shift;
 671        my $commit_text = shift;
 672
 673        my @commit_lines;
 674        my %co;
 675
 676        if (defined $commit_text) {
 677                @commit_lines = @$commit_text;
 678        } else {
 679                $/ = "\0";
 680                open my $fd, "-|", $GIT, "rev-list", "--header", "--parents", "--max-count=1", $commit_id or return;
 681                @commit_lines = split '\n', <$fd>;
 682                close $fd or return;
 683                $/ = "\n";
 684                pop @commit_lines;
 685        }
 686        my $header = shift @commit_lines;
 687        if (!($header =~ m/^[0-9a-fA-F]{40}/)) {
 688                return;
 689        }
 690        ($co{'id'}, my @parents) = split ' ', $header;
 691        $co{'parents'} = \@parents;
 692        $co{'parent'} = $parents[0];
 693        while (my $line = shift @commit_lines) {
 694                last if $line eq "\n";
 695                if ($line =~ m/^tree ([0-9a-fA-F]{40})$/) {
 696                        $co{'tree'} = $1;
 697                } elsif ($line =~ m/^author (.*) ([0-9]+) (.*)$/) {
 698                        $co{'author'} = $1;
 699                        $co{'author_epoch'} = $2;
 700                        $co{'author_tz'} = $3;
 701                        if ($co{'author'} =~ m/^([^<]+) </) {
 702                                $co{'author_name'} = $1;
 703                        } else {
 704                                $co{'author_name'} = $co{'author'};
 705                        }
 706                } elsif ($line =~ m/^committer (.*) ([0-9]+) (.*)$/) {
 707                        $co{'committer'} = $1;
 708                        $co{'committer_epoch'} = $2;
 709                        $co{'committer_tz'} = $3;
 710                        $co{'committer_name'} = $co{'committer'};
 711                        $co{'committer_name'} =~ s/ <.*//;
 712                }
 713        }
 714        if (!defined $co{'tree'}) {
 715                return;
 716        };
 717
 718        foreach my $title (@commit_lines) {
 719                $title =~ s/^    //;
 720                if ($title ne "") {
 721                        $co{'title'} = chop_str($title, 80, 5);
 722                        # remove leading stuff of merges to make the interesting part visible
 723                        if (length($title) > 50) {
 724                                $title =~ s/^Automatic //;
 725                                $title =~ s/^merge (of|with) /Merge ... /i;
 726                                if (length($title) > 50) {
 727                                        $title =~ s/(http|rsync):\/\///;
 728                                }
 729                                if (length($title) > 50) {
 730                                        $title =~ s/(master|www|rsync)\.//;
 731                                }
 732                                if (length($title) > 50) {
 733                                        $title =~ s/kernel.org:?//;
 734                                }
 735                                if (length($title) > 50) {
 736                                        $title =~ s/\/pub\/scm//;
 737                                }
 738                        }
 739                        $co{'title_short'} = chop_str($title, 50, 5);
 740                        last;
 741                }
 742        }
 743        # remove added spaces
 744        foreach my $line (@commit_lines) {
 745                $line =~ s/^    //;
 746        }
 747        $co{'comment'} = \@commit_lines;
 748
 749        my $age = time - $co{'committer_epoch'};
 750        $co{'age'} = $age;
 751        $co{'age_string'} = age_string($age);
 752        my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($co{'committer_epoch'});
 753        if ($age > 60*60*24*7*2) {
 754                $co{'age_string_date'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
 755                $co{'age_string_age'} = $co{'age_string'};
 756        } else {
 757                $co{'age_string_date'} = $co{'age_string'};
 758                $co{'age_string_age'} = sprintf "%4i-%02u-%02i", 1900 + $year, $mon+1, $mday;
 759        }
 760        return %co;
 761}
 762
 763# parse ref from ref_file, given by ref_id, with given type
 764sub parse_ref {
 765        my $ref_file = shift;
 766        my $ref_id = shift;
 767        my $type = shift || git_get_type($ref_id);
 768        my %ref_item;
 769
 770        $ref_item{'type'} = $type;
 771        $ref_item{'id'} = $ref_id;
 772        $ref_item{'epoch'} = 0;
 773        $ref_item{'age'} = "unknown";
 774        if ($type eq "tag") {
 775                my %tag = parse_tag($ref_id);
 776                $ref_item{'comment'} = $tag{'comment'};
 777                if ($tag{'type'} eq "commit") {
 778                        my %co = parse_commit($tag{'object'});
 779                        $ref_item{'epoch'} = $co{'committer_epoch'};
 780                        $ref_item{'age'} = $co{'age_string'};
 781                } elsif (defined($tag{'epoch'})) {
 782                        my $age = time - $tag{'epoch'};
 783                        $ref_item{'epoch'} = $tag{'epoch'};
 784                        $ref_item{'age'} = age_string($age);
 785                }
 786                $ref_item{'reftype'} = $tag{'type'};
 787                $ref_item{'name'} = $tag{'name'};
 788                $ref_item{'refid'} = $tag{'object'};
 789        } elsif ($type eq "commit"){
 790                my %co = parse_commit($ref_id);
 791                $ref_item{'reftype'} = "commit";
 792                $ref_item{'name'} = $ref_file;
 793                $ref_item{'title'} = $co{'title'};
 794                $ref_item{'refid'} = $ref_id;
 795                $ref_item{'epoch'} = $co{'committer_epoch'};
 796                $ref_item{'age'} = $co{'age_string'};
 797        } else {
 798                $ref_item{'reftype'} = $type;
 799                $ref_item{'name'} = $ref_file;
 800                $ref_item{'refid'} = $ref_id;
 801        }
 802
 803        return %ref_item;
 804}
 805
 806## ......................................................................
 807## parse to array of hashes functions
 808
 809sub git_get_refs_list {
 810        my $ref_dir = shift;
 811        my @reflist;
 812
 813        my @refs;
 814        my $pfxlen = length("$projectroot/$project/$ref_dir");
 815        File::Find::find(sub {
 816                return if (/^\./);
 817                if (-f $_) {
 818                        push @refs, substr($File::Find::name, $pfxlen + 1);
 819                }
 820        }, "$projectroot/$project/$ref_dir");
 821
 822        foreach my $ref_file (@refs) {
 823                my $ref_id = git_get_hash_by_ref("$project/$ref_dir/$ref_file");
 824                my $type = git_get_type($ref_id) || next;
 825                my %ref_item = parse_ref($ref_file, $ref_id, $type);
 826
 827                push @reflist, \%ref_item;
 828        }
 829        # sort refs by age
 830        @reflist = sort {$b->{'epoch'} <=> $a->{'epoch'}} @reflist;
 831        return \@reflist;
 832}
 833
 834## ----------------------------------------------------------------------
 835## filesystem-related functions
 836
 837sub get_file_owner {
 838        my $path = shift;
 839
 840        my ($dev, $ino, $mode, $nlink, $st_uid, $st_gid, $rdev, $size) = stat($path);
 841        my ($name, $passwd, $uid, $gid, $quota, $comment, $gcos, $dir, $shell) = getpwuid($st_uid);
 842        if (!defined $gcos) {
 843                return undef;
 844        }
 845        my $owner = $gcos;
 846        $owner =~ s/[,;].*$//;
 847        return decode("utf8", $owner, Encode::FB_DEFAULT);
 848}
 849
 850## ......................................................................
 851## mimetype related functions
 852
 853sub mimetype_guess_file {
 854        my $filename = shift;
 855        my $mimemap = shift;
 856        -r $mimemap or return undef;
 857
 858        my %mimemap;
 859        open(MIME, $mimemap) or return undef;
 860        while (<MIME>) {
 861                my ($mime, $exts) = split(/\t+/);
 862                if (defined $exts) {
 863                        my @exts = split(/\s+/, $exts);
 864                        foreach my $ext (@exts) {
 865                                $mimemap{$ext} = $mime;
 866                        }
 867                }
 868        }
 869        close(MIME);
 870
 871        $filename =~ /\.(.*?)$/;
 872        return $mimemap{$1};
 873}
 874
 875sub mimetype_guess {
 876        my $filename = shift;
 877        my $mime;
 878        $filename =~ /\./ or return undef;
 879
 880        if ($mimetypes_file) {
 881                my $file = $mimetypes_file;
 882                #$file =~ m#^/# or $file = "$projectroot/$path/$file";
 883                $mime = mimetype_guess_file($filename, $file);
 884        }
 885        $mime ||= mimetype_guess_file($filename, '/etc/mime.types');
 886        return $mime;
 887}
 888
 889sub blob_mimetype {
 890        my $fd = shift;
 891        my $filename = shift;
 892
 893        if ($filename) {
 894                my $mime = mimetype_guess($filename);
 895                $mime and return $mime;
 896        }
 897
 898        # just in case
 899        return $default_blob_plain_mimetype unless $fd;
 900
 901        if (-T $fd) {
 902                return 'text/plain' .
 903                       ($default_text_plain_charset ? '; charset='.$default_text_plain_charset : '');
 904        } elsif (! $filename) {
 905                return 'application/octet-stream';
 906        } elsif ($filename =~ m/\.png$/i) {
 907                return 'image/png';
 908        } elsif ($filename =~ m/\.gif$/i) {
 909                return 'image/gif';
 910        } elsif ($filename =~ m/\.jpe?g$/i) {
 911                return 'image/jpeg';
 912        } else {
 913                return 'application/octet-stream';
 914        }
 915}
 916
 917## ======================================================================
 918## functions printing HTML: header, footer, error page
 919
 920sub git_header_html {
 921        my $status = shift || "200 OK";
 922        my $expires = shift;
 923
 924        my $title = "$site_name git";
 925        if (defined $project) {
 926                $title .= " - $project";
 927                if (defined $action) {
 928                        $title .= "/$action";
 929                        if (defined $file_name) {
 930                                $title .= " - $file_name";
 931                                if ($action eq "tree" && $file_name !~ m|/$|) {
 932                                        $title .= "/";
 933                                }
 934                        }
 935                }
 936        }
 937        my $content_type;
 938        # require explicit support from the UA if we are to send the page as
 939        # 'application/xhtml+xml', otherwise send it as plain old 'text/html'.
 940        # we have to do this because MSIE sometimes globs '*/*', pretending to
 941        # support xhtml+xml but choking when it gets what it asked for.
 942        if (defined $cgi->http('HTTP_ACCEPT') && $cgi->http('HTTP_ACCEPT') =~ m/(,|;|\s|^)application\/xhtml\+xml(,|;|\s|$)/ && $cgi->Accept('application/xhtml+xml') != 0) {
 943                $content_type = 'application/xhtml+xml';
 944        } else {
 945                $content_type = 'text/html';
 946        }
 947        print $cgi->header(-type=>$content_type, -charset => 'utf-8', -status=> $status, -expires => $expires);
 948        print <<EOF;
 949<?xml version="1.0" encoding="utf-8"?>
 950<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
 951<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US" lang="en-US">
 952<!-- git web interface v$version, (C) 2005-2006, Kay Sievers <kay.sievers\@vrfy.org>, Christian Gierke -->
 953<!-- git core binaries version $git_version -->
 954<head>
 955<meta http-equiv="content-type" content="$content_type; charset=utf-8"/>
 956<meta name="robots" content="index, nofollow"/>
 957<title>$title</title>
 958<link rel="stylesheet" type="text/css" href="$stylesheet"/>
 959EOF
 960        if (defined $project) {
 961                printf('<link rel="alternate" title="%s log" '.
 962                       'href="%s" type="application/rss+xml"/>'."\n",
 963                       esc_param($project),
 964                       esc_param("$my_uri?p=$project;a=rss"));
 965        }
 966
 967        print "</head>\n" .
 968              "<body>\n" .
 969              "<div class=\"page_header\">\n" .
 970              "<a href=\"http://www.kernel.org/pub/software/scm/git/docs/\" title=\"git documentation\">" .
 971              "<img src=\"$logo\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/>" .
 972              "</a>\n";
 973        print $cgi->a({-href => esc_param($home_link)}, "projects") . " / ";
 974        if (defined $project) {
 975                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, esc_html($project));
 976                if (defined $action) {
 977                        print " / $action";
 978                }
 979                print "\n";
 980                if (!defined $searchtext) {
 981                        $searchtext = "";
 982                }
 983                my $search_hash;
 984                if (defined $hash_base) {
 985                        $search_hash = $hash_base;
 986                } elsif (defined $hash) {
 987                        $search_hash = $hash;
 988                } else {
 989                        $search_hash = "HEAD";
 990                }
 991                $cgi->param("a", "search");
 992                $cgi->param("h", $search_hash);
 993                print $cgi->startform(-method => "get", -action => $my_uri) .
 994                      "<div class=\"search\">\n" .
 995                      $cgi->hidden(-name => "p") . "\n" .
 996                      $cgi->hidden(-name => "a") . "\n" .
 997                      $cgi->hidden(-name => "h") . "\n" .
 998                      $cgi->textfield(-name => "s", -value => $searchtext) . "\n" .
 999                      "</div>" .
1000                      $cgi->end_form() . "\n";
1001        }
1002        print "</div>\n";
1003}
1004
1005sub git_footer_html {
1006        print "<div class=\"page_footer\">\n";
1007        if (defined $project) {
1008                my $descr = git_get_project_description($project);
1009                if (defined $descr) {
1010                        print "<div class=\"page_footer_text\">" . esc_html($descr) . "</div>\n";
1011                }
1012                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=rss"), -class => "rss_logo"}, "RSS") . "\n";
1013        } else {
1014                print $cgi->a({-href => "$my_uri?" . esc_param("a=opml"), -class => "rss_logo"}, "OPML") . "\n";
1015        }
1016        print "</div>\n" .
1017              "</body>\n" .
1018              "</html>";
1019}
1020
1021sub die_error {
1022        my $status = shift || "403 Forbidden";
1023        my $error = shift || "Malformed query, file missing or permission denied";
1024
1025        git_header_html($status);
1026        print "<div class=\"page_body\">\n" .
1027              "<br/><br/>\n" .
1028              "$status - $error\n" .
1029              "<br/>\n" .
1030              "</div>\n";
1031        git_footer_html();
1032        exit;
1033}
1034
1035## ----------------------------------------------------------------------
1036## functions printing or outputting HTML: navigation
1037
1038sub git_print_page_nav {
1039        my ($current, $suppress, $head, $treehead, $treebase, $extra) = @_;
1040        $extra = '' if !defined $extra; # pager or formats
1041
1042        my @navs = qw(summary shortlog log commit commitdiff tree);
1043        if ($suppress) {
1044                @navs = grep { $_ ne $suppress } @navs;
1045        }
1046
1047        my %arg = map { $_, ''} @navs;
1048        if (defined $head) {
1049                for (qw(commit commitdiff)) {
1050                        $arg{$_} = ";h=$head";
1051                }
1052                if ($current =~ m/^(tree | log | shortlog | commit | commitdiff | search)$/x) {
1053                        for (qw(shortlog log)) {
1054                                $arg{$_} = ";h=$head";
1055                        }
1056                }
1057        }
1058        $arg{tree} .= ";h=$treehead" if defined $treehead;
1059        $arg{tree} .= ";hb=$treebase" if defined $treebase;
1060
1061        print "<div class=\"page_nav\">\n" .
1062                (join " | ",
1063                 map { $_ eq $current
1064                                         ? $_
1065                                         : $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$_$arg{$_}")}, "$_")
1066                                 }
1067                 @navs);
1068        print "<br/>\n$extra<br/>\n" .
1069              "</div>\n";
1070}
1071
1072sub format_paging_nav {
1073        my ($action, $hash, $head, $page, $nrevs) = @_;
1074        my $paging_nav;
1075
1076
1077        if ($hash ne $head || $page) {
1078                $paging_nav .= $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$action")}, "HEAD");
1079        } else {
1080                $paging_nav .= "HEAD";
1081        }
1082
1083        if ($page > 0) {
1084                $paging_nav .= " &sdot; " .
1085                        $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$action;h=$hash;pg=" . ($page-1)),
1086                                 -accesskey => "p", -title => "Alt-p"}, "prev");
1087        } else {
1088                $paging_nav .= " &sdot; prev";
1089        }
1090
1091        if ($nrevs >= (100 * ($page+1)-1)) {
1092                $paging_nav .= " &sdot; " .
1093                        $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$action;h=$hash;pg=" . ($page+1)),
1094                                 -accesskey => "n", -title => "Alt-n"}, "next");
1095        } else {
1096                $paging_nav .= " &sdot; next";
1097        }
1098
1099        return $paging_nav;
1100}
1101
1102## ......................................................................
1103## functions printing or outputting HTML: div
1104
1105sub git_print_header_div {
1106        my ($action, $title, $hash, $hash_base) = @_;
1107        my $rest = '';
1108
1109        $rest .= ";h=$hash" if $hash;
1110        $rest .= ";hb=$hash_base" if $hash_base;
1111
1112        print "<div class=\"header\">\n" .
1113              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$action$rest"),
1114                       -class => "title"}, $title ? $title : $action) . "\n" .
1115              "</div>\n";
1116}
1117
1118sub git_print_page_path {
1119        my $name = shift;
1120        my $type = shift;
1121
1122        if (!defined $name) {
1123                print "<div class=\"page_path\"><b>/</b></div>\n";
1124        } elsif (defined $type && $type eq 'blob') {
1125                print "<div class=\"page_path\"><b>" .
1126                        $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob_plain;f=$file_name")}, esc_html($name)) . "</b><br/></div>\n";
1127        } else {
1128                print "<div class=\"page_path\"><b>" . esc_html($name) . "</b><br/></div>\n";
1129        }
1130}
1131
1132## ......................................................................
1133## functions printing large fragments of HTML
1134
1135sub git_shortlog_body {
1136        # uses global variable $project
1137        my ($revlist, $from, $to, $refs, $extra) = @_;
1138        $from = 0 unless defined $from;
1139        $to = $#{$revlist} if (!defined $to || $#{$revlist} < $to);
1140
1141        print "<table class=\"shortlog\" cellspacing=\"0\">\n";
1142        my $alternate = 0;
1143        for (my $i = $from; $i <= $to; $i++) {
1144                my $commit = $revlist->[$i];
1145                #my $ref = defined $refs ? format_ref_marker($refs, $commit) : '';
1146                my $ref = format_ref_marker($refs, $commit);
1147                my %co = parse_commit($commit);
1148                if ($alternate) {
1149                        print "<tr class=\"dark\">\n";
1150                } else {
1151                        print "<tr class=\"light\">\n";
1152                }
1153                $alternate ^= 1;
1154                # git_summary() used print "<td><i>$co{'age_string'}</i></td>\n" .
1155                print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
1156                      "<td><i>" . esc_html(chop_str($co{'author_name'}, 10)) . "</i></td>\n" .
1157                      "<td>";
1158                print format_subject_html($co{'title'}, $co{'title_short'}, "p=$project;a=commit;h=$commit", $ref);
1159                print "</td>\n" .
1160                      "<td class=\"link\">" .
1161                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit")}, "commit") . " | " .
1162                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
1163                      "</td>\n" .
1164                      "</tr>\n";
1165        }
1166        if (defined $extra) {
1167                print "<tr>\n" .
1168                      "<td colspan=\"4\">$extra</td>\n" .
1169                      "</tr>\n";
1170        }
1171        print "</table>\n";
1172}
1173
1174sub git_history_body {
1175        # Warning: assumes constant type (blob or tree) during history
1176        my ($fd, $refs, $hash_base, $ftype, $extra) = @_;
1177
1178        print "<table class=\"history\" cellspacing=\"0\">\n";
1179        my $alternate = 0;
1180        while (my $line = <$fd>) {
1181                if ($line !~ m/^([0-9a-fA-F]{40})/) {
1182                        next;
1183                }
1184
1185                my $commit = $1;
1186                my %co = parse_commit($commit);
1187                if (!%co) {
1188                        next;
1189                }
1190
1191                my $ref = format_ref_marker($refs, $commit);
1192
1193                if ($alternate) {
1194                        print "<tr class=\"dark\">\n";
1195                } else {
1196                        print "<tr class=\"light\">\n";
1197                }
1198                $alternate ^= 1;
1199                print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
1200                      # shortlog uses      chop_str($co{'author_name'}, 10)
1201                      "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 3)) . "</i></td>\n" .
1202                      "<td>";
1203                # originally git_history used chop_str($co{'title'}, 50)
1204                print format_subject_html($co{'title'}, $co{'title_short'}, "p=$project;a=commit;h=$commit", $ref);
1205                print "</td>\n" .
1206                      "<td class=\"link\">" .
1207                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit")}, "commit") . " | " .
1208                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$commit")}, "commitdiff") . " | " .
1209                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$ftype;hb=$commit;f=$file_name")}, $ftype);
1210
1211                if ($ftype eq 'blob') {
1212                        my $blob_current = git_get_hash_by_path($hash_base, $file_name);
1213                        my $blob_parent  = git_get_hash_by_path($commit, $file_name);
1214                        if (defined $blob_current && defined $blob_parent &&
1215                                        $blob_current ne $blob_parent) {
1216                                print " | " .
1217                                        $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff;h=$blob_current;hp=$blob_parent;hb=$commit;f=$file_name")},
1218                                                "diff to current");
1219                        }
1220                }
1221                print "</td>\n" .
1222                      "</tr>\n";
1223        }
1224        if (defined $extra) {
1225                print "<tr>\n" .
1226                      "<td colspan=\"4\">$extra</td>\n" .
1227                      "</tr>\n";
1228        }
1229        print "</table>\n";
1230}
1231
1232sub git_tags_body {
1233        # uses global variable $project
1234        my ($taglist, $from, $to, $extra) = @_;
1235        $from = 0 unless defined $from;
1236        $to = $#{$taglist} if (!defined $to || $#{$taglist} < $to);
1237
1238        print "<table class=\"tags\" cellspacing=\"0\">\n";
1239        my $alternate = 0;
1240        for (my $i = $from; $i <= $to; $i++) {
1241                my $entry = $taglist->[$i];
1242                my %tag = %$entry;
1243                my $comment_lines = $tag{'comment'};
1244                my $comment = shift @$comment_lines;
1245                my $comment_short;
1246                if (defined $comment) {
1247                        $comment_short = chop_str($comment, 30, 5);
1248                }
1249                if ($alternate) {
1250                        print "<tr class=\"dark\">\n";
1251                } else {
1252                        print "<tr class=\"light\">\n";
1253                }
1254                $alternate ^= 1;
1255                print "<td><i>$tag{'age'}</i></td>\n" .
1256                      "<td>" .
1257                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'reftype'};h=$tag{'refid'}"),
1258                               -class => "list"}, "<b>" . esc_html($tag{'name'}) . "</b>") .
1259                      "</td>\n" .
1260                      "<td>";
1261                if (defined $comment) {
1262                        print format_subject_html($comment, $comment_short, "p=$project;a=tag;h=$tag{'id'}");
1263                }
1264                print "</td>\n" .
1265                      "<td class=\"selflink\">";
1266                if ($tag{'type'} eq "tag") {
1267                        print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tag;h=$tag{'id'}")}, "tag");
1268                } else {
1269                        print "&nbsp;";
1270                }
1271                print "</td>\n" .
1272                      "<td class=\"link\">" . " | " .
1273                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'reftype'};h=$tag{'refid'}")}, $tag{'reftype'});
1274                if ($tag{'reftype'} eq "commit") {
1275                        print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}")}, "shortlog") .
1276                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$tag{'refid'}")}, "log");
1277                } elsif ($tag{'reftype'} eq "blob") {
1278                        print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob_plain;h=$tag{'refid'}")}, "raw");
1279                }
1280                print "</td>\n" .
1281                      "</tr>";
1282        }
1283        if (defined $extra) {
1284                print "<tr>\n" .
1285                      "<td colspan=\"5\">$extra</td>\n" .
1286                      "</tr>\n";
1287        }
1288        print "</table>\n";
1289}
1290
1291sub git_heads_body {
1292        # uses global variable $project
1293        my ($taglist, $head, $from, $to, $extra) = @_;
1294        $from = 0 unless defined $from;
1295        $to = $#{$taglist} if (!defined $to || $#{$taglist} < $to);
1296
1297        print "<table class=\"heads\" cellspacing=\"0\">\n";
1298        my $alternate = 0;
1299        for (my $i = $from; $i <= $to; $i++) {
1300                my $entry = $taglist->[$i];
1301                my %tag = %$entry;
1302                my $curr = $tag{'id'} eq $head;
1303                if ($alternate) {
1304                        print "<tr class=\"dark\">\n";
1305                } else {
1306                        print "<tr class=\"light\">\n";
1307                }
1308                $alternate ^= 1;
1309                print "<td><i>$tag{'age'}</i></td>\n" .
1310                      ($tag{'id'} eq $head ? "<td class=\"current_head\">" : "<td>") .
1311                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}"),
1312                               -class => "list"}, "<b>" . esc_html($tag{'name'}) . "</b>") .
1313                      "</td>\n" .
1314                      "<td class=\"link\">" .
1315                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$tag{'name'}")}, "shortlog") . " | " .
1316                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log;h=$tag{'name'}")}, "log") .
1317                      "</td>\n" .
1318                      "</tr>";
1319        }
1320        if (defined $extra) {
1321                print "<tr>\n" .
1322                      "<td colspan=\"3\">$extra</td>\n" .
1323                      "</tr>\n";
1324        }
1325        print "</table>\n";
1326}
1327
1328## ----------------------------------------------------------------------
1329## functions printing large fragments, format as one of arguments
1330
1331sub git_diff_print {
1332        my $from = shift;
1333        my $from_name = shift;
1334        my $to = shift;
1335        my $to_name = shift;
1336        my $format = shift || "html";
1337
1338        my $from_tmp = "/dev/null";
1339        my $to_tmp = "/dev/null";
1340        my $pid = $$;
1341
1342        # create tmp from-file
1343        if (defined $from) {
1344                $from_tmp = "$git_temp/gitweb_" . $$ . "_from";
1345                open my $fd2, "> $from_tmp";
1346                open my $fd, "-|", $GIT, "cat-file", "blob", $from;
1347                my @file = <$fd>;
1348                print $fd2 @file;
1349                close $fd2;
1350                close $fd;
1351        }
1352
1353        # create tmp to-file
1354        if (defined $to) {
1355                $to_tmp = "$git_temp/gitweb_" . $$ . "_to";
1356                open my $fd2, "> $to_tmp";
1357                open my $fd, "-|", $GIT, "cat-file", "blob", $to;
1358                my @file = <$fd>;
1359                print $fd2 @file;
1360                close $fd2;
1361                close $fd;
1362        }
1363
1364        open my $fd, "-|", "/usr/bin/diff -u -p -L \'$from_name\' -L \'$to_name\' $from_tmp $to_tmp";
1365        if ($format eq "plain") {
1366                undef $/;
1367                print <$fd>;
1368                $/ = "\n";
1369        } else {
1370                while (my $line = <$fd>) {
1371                        chomp $line;
1372                        my $char = substr($line, 0, 1);
1373                        my $diff_class = "";
1374                        if ($char eq '+') {
1375                                $diff_class = " add";
1376                        } elsif ($char eq "-") {
1377                                $diff_class = " rem";
1378                        } elsif ($char eq "@") {
1379                                $diff_class = " chunk_header";
1380                        } elsif ($char eq "\\") {
1381                                # skip errors
1382                                next;
1383                        }
1384                        $line = untabify($line);
1385                        print "<div class=\"diff$diff_class\">" . esc_html($line) . "</div>\n";
1386                }
1387        }
1388        close $fd;
1389
1390        if (defined $from) {
1391                unlink($from_tmp);
1392        }
1393        if (defined $to) {
1394                unlink($to_tmp);
1395        }
1396}
1397
1398
1399## ======================================================================
1400## ======================================================================
1401## actions
1402
1403sub git_project_list {
1404        my $order = $cgi->param('o');
1405        if (defined $order && $order !~ m/project|descr|owner|age/) {
1406                die_error(undef, "Unknown order parameter");
1407        }
1408
1409        my @list = git_get_projects_list();
1410        my @projects;
1411        if (!@list) {
1412                die_error(undef, "No projects found");
1413        }
1414        foreach my $pr (@list) {
1415                my $head = git_get_head_hash($pr->{'path'});
1416                if (!defined $head) {
1417                        next;
1418                }
1419                $ENV{'GIT_DIR'} = "$projectroot/$pr->{'path'}";
1420                my %co = parse_commit($head);
1421                if (!%co) {
1422                        next;
1423                }
1424                $pr->{'commit'} = \%co;
1425                if (!defined $pr->{'descr'}) {
1426                        my $descr = git_get_project_description($pr->{'path'}) || "";
1427                        $pr->{'descr'} = chop_str($descr, 25, 5);
1428                }
1429                if (!defined $pr->{'owner'}) {
1430                        $pr->{'owner'} = get_file_owner("$projectroot/$pr->{'path'}") || "";
1431                }
1432                push @projects, $pr;
1433        }
1434
1435        git_header_html();
1436        if (-f $home_text) {
1437                print "<div class=\"index_include\">\n";
1438                open (my $fd, $home_text);
1439                print <$fd>;
1440                close $fd;
1441                print "</div>\n";
1442        }
1443        print "<table class=\"project_list\">\n" .
1444              "<tr>\n";
1445        $order ||= "project";
1446        if ($order eq "project") {
1447                @projects = sort {$a->{'path'} cmp $b->{'path'}} @projects;
1448                print "<th>Project</th>\n";
1449        } else {
1450                print "<th>" .
1451                      $cgi->a({-href => "$my_uri?" . esc_param("o=project"),
1452                               -class => "header"}, "Project") .
1453                      "</th>\n";
1454        }
1455        if ($order eq "descr") {
1456                @projects = sort {$a->{'descr'} cmp $b->{'descr'}} @projects;
1457                print "<th>Description</th>\n";
1458        } else {
1459                print "<th>" .
1460                      $cgi->a({-href => "$my_uri?" . esc_param("o=descr"),
1461                               -class => "header"}, "Description") .
1462                      "</th>\n";
1463        }
1464        if ($order eq "owner") {
1465                @projects = sort {$a->{'owner'} cmp $b->{'owner'}} @projects;
1466                print "<th>Owner</th>\n";
1467        } else {
1468                print "<th>" .
1469                      $cgi->a({-href => "$my_uri?" . esc_param("o=owner"),
1470                               -class => "header"}, "Owner") .
1471                      "</th>\n";
1472        }
1473        if ($order eq "age") {
1474                @projects = sort {$a->{'commit'}{'age'} <=> $b->{'commit'}{'age'}} @projects;
1475                print "<th>Last Change</th>\n";
1476        } else {
1477                print "<th>" .
1478                      $cgi->a({-href => "$my_uri?" . esc_param("o=age"),
1479                               -class => "header"}, "Last Change") .
1480                      "</th>\n";
1481        }
1482        print "<th></th>\n" .
1483              "</tr>\n";
1484        my $alternate = 0;
1485        foreach my $pr (@projects) {
1486                if ($alternate) {
1487                        print "<tr class=\"dark\">\n";
1488                } else {
1489                        print "<tr class=\"light\">\n";
1490                }
1491                $alternate ^= 1;
1492                print "<td>" . $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=summary"),
1493                                        -class => "list"}, esc_html($pr->{'path'})) . "</td>\n" .
1494                      "<td>" . esc_html($pr->{'descr'}) . "</td>\n" .
1495                      "<td><i>" . chop_str($pr->{'owner'}, 15) . "</i></td>\n";
1496                print "<td class=\"". age_class($pr->{'commit'}{'age'}) . "\">" .
1497                      $pr->{'commit'}{'age_string'} . "</td>\n" .
1498                      "<td class=\"link\">" .
1499                      $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=summary")}, "summary")   . " | " .
1500                      $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=shortlog")}, "shortlog") . " | " .
1501                      $cgi->a({-href => "$my_uri?" . esc_param("p=$pr->{'path'};a=log")}, "log") .
1502                      "</td>\n" .
1503                      "</tr>\n";
1504        }
1505        print "</table>\n";
1506        git_footer_html();
1507}
1508
1509sub git_summary {
1510        my $descr = git_get_project_description($project) || "none";
1511        my $head = git_get_head_hash($project);
1512        my %co = parse_commit($head);
1513        my %cd = parse_date($co{'committer_epoch'}, $co{'committer_tz'});
1514
1515        my $owner = git_get_project_owner($project);
1516
1517        my $refs = git_get_references();
1518        git_header_html();
1519        git_print_page_nav('summary','', $head);
1520
1521        print "<div class=\"title\">&nbsp;</div>\n";
1522        print "<table cellspacing=\"0\">\n" .
1523              "<tr><td>description</td><td>" . esc_html($descr) . "</td></tr>\n" .
1524              "<tr><td>owner</td><td>$owner</td></tr>\n" .
1525              "<tr><td>last change</td><td>$cd{'rfc2822'}</td></tr>\n" .
1526              "</table>\n";
1527
1528        open my $fd, "-|", $GIT, "rev-list", "--max-count=17", git_get_head_hash($project)
1529                or die_error(undef, "Open git-rev-list failed");
1530        my @revlist = map { chomp; $_ } <$fd>;
1531        close $fd;
1532        git_print_header_div('shortlog');
1533        git_shortlog_body(\@revlist, 0, 15, $refs,
1534                          $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "..."));
1535
1536        my $taglist = git_get_refs_list("refs/tags");
1537        if (defined @$taglist) {
1538                git_print_header_div('tags');
1539                git_tags_body($taglist, 0, 15,
1540                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tags")}, "..."));
1541        }
1542
1543        my $headlist = git_get_refs_list("refs/heads");
1544        if (defined @$headlist) {
1545                git_print_header_div('heads');
1546                git_heads_body($headlist, $head, 0, 15,
1547                               $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=heads")}, "..."));
1548        }
1549
1550        git_footer_html();
1551}
1552
1553sub git_tag {
1554        my $head = git_get_head_hash($project);
1555        git_header_html();
1556        git_print_page_nav('','', $head,undef,$head);
1557        my %tag = parse_tag($hash);
1558        git_print_header_div('commit', esc_html($tag{'name'}), $hash);
1559        print "<div class=\"title_text\">\n" .
1560              "<table cellspacing=\"0\">\n" .
1561              "<tr>\n" .
1562              "<td>object</td>\n" .
1563              "<td>" . $cgi->a({-class => "list", -href => "$my_uri?" . esc_param("p=$project;a=$tag{'type'};h=$tag{'object'}")}, $tag{'object'}) . "</td>\n" .
1564              "<td class=\"link\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=$tag{'type'};h=$tag{'object'}")}, $tag{'type'}) . "</td>\n" .
1565              "</tr>\n";
1566        if (defined($tag{'author'})) {
1567                my %ad = parse_date($tag{'epoch'}, $tag{'tz'});
1568                print "<tr><td>author</td><td>" . esc_html($tag{'author'}) . "</td></tr>\n";
1569                print "<tr><td></td><td>" . $ad{'rfc2822'} . sprintf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'}) . "</td></tr>\n";
1570        }
1571        print "</table>\n\n" .
1572              "</div>\n";
1573        print "<div class=\"page_body\">";
1574        my $comment = $tag{'comment'};
1575        foreach my $line (@$comment) {
1576                print esc_html($line) . "<br/>\n";
1577        }
1578        print "</div>\n";
1579        git_footer_html();
1580}
1581
1582sub git_blame2 {
1583        my $fd;
1584        my $ftype;
1585        die_error(undef, "Permission denied") if (!git_get_project_config_bool ('blame'));
1586        die_error('404 Not Found', "File name not defined") if (!$file_name);
1587        $hash_base ||= git_get_head_hash($project);
1588        die_error(undef, "Couldn't find base commit") unless ($hash_base);
1589        my %co = parse_commit($hash_base)
1590                or die_error(undef, "Reading commit failed");
1591        if (!defined $hash) {
1592                $hash = git_get_hash_by_path($hash_base, $file_name, "blob")
1593                        or die_error(undef, "Error looking up file");
1594        }
1595        $ftype = git_get_type($hash);
1596        if ($ftype !~ "blob") {
1597                die_error("400 Bad Request", "Object is not a blob");
1598        }
1599        open ($fd, "-|", $GIT, "blame", '-l', $file_name, $hash_base)
1600                or die_error(undef, "Open git-blame failed");
1601        git_header_html();
1602        my $formats_nav =
1603                $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$hash;hb=$hash_base;f=$file_name")}, "blob") .
1604                " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blame;f=$file_name")}, "head");
1605        git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
1606        git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
1607        git_print_page_path($file_name, $ftype);
1608        my @rev_color = (qw(light2 dark2));
1609        my $num_colors = scalar(@rev_color);
1610        my $current_color = 0;
1611        my $last_rev;
1612        print "<div class=\"page_body\">\n";
1613        print "<table class=\"blame\">\n";
1614        print "<tr><th>Commit</th><th>Line</th><th>Data</th></tr>\n";
1615        while (<$fd>) {
1616                /^([0-9a-fA-F]{40}).*?(\d+)\)\s{1}(\s*.*)/;
1617                my $full_rev = $1;
1618                my $rev = substr($full_rev, 0, 8);
1619                my $lineno = $2;
1620                my $data = $3;
1621
1622                if (!defined $last_rev) {
1623                        $last_rev = $full_rev;
1624                } elsif ($last_rev ne $full_rev) {
1625                        $last_rev = $full_rev;
1626                        $current_color = ++$current_color % $num_colors;
1627                }
1628                print "<tr class=\"$rev_color[$current_color]\">\n";
1629                print "<td class=\"sha1\">" .
1630                        $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$full_rev;f=$file_name")}, esc_html($rev)) . "</td>\n";
1631                print "<td class=\"linenr\"><a id=\"l$lineno\" href=\"#l$lineno\" class=\"linenr\">" . esc_html($lineno) . "</a></td>\n";
1632                print "<td class=\"pre\">" . esc_html($data) . "</td>\n";
1633                print "</tr>\n";
1634        }
1635        print "</table>\n";
1636        print "</div>";
1637        close $fd or print "Reading blob failed\n";
1638        git_footer_html();
1639}
1640
1641sub git_blame {
1642        my $fd;
1643        die_error('403 Permission denied', "Permission denied") if (!git_get_project_config_bool ('blame'));
1644        die_error('404 Not Found', "File name not defined") if (!$file_name);
1645        $hash_base ||= git_get_head_hash($project);
1646        die_error(undef, "Couldn't find base commit") unless ($hash_base);
1647        my %co = parse_commit($hash_base)
1648                or die_error(undef, "Reading commit failed");
1649        if (!defined $hash) {
1650                $hash = git_get_hash_by_path($hash_base, $file_name, "blob")
1651                        or die_error(undef, "Error lookup file");
1652        }
1653        open ($fd, "-|", $GIT, "annotate", '-l', '-t', '-r', $file_name, $hash_base)
1654                or die_error(undef, "Open git-annotate failed");
1655        git_header_html();
1656        my $formats_nav =
1657                $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$hash;hb=$hash_base;f=$file_name")}, "blob") .
1658                " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blame;f=$file_name")}, "head");
1659        git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
1660        git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
1661        git_print_page_path($file_name, 'blob');
1662        print "<div class=\"page_body\">\n";
1663        print <<HTML;
1664<table class="blame">
1665  <tr>
1666    <th>Commit</th>
1667    <th>Age</th>
1668    <th>Author</th>
1669    <th>Line</th>
1670    <th>Data</th>
1671  </tr>
1672HTML
1673        my @line_class = (qw(light dark));
1674        my $line_class_len = scalar (@line_class);
1675        my $line_class_num = $#line_class;
1676        while (my $line = <$fd>) {
1677                my $long_rev;
1678                my $short_rev;
1679                my $author;
1680                my $time;
1681                my $lineno;
1682                my $data;
1683                my $age;
1684                my $age_str;
1685                my $age_class;
1686
1687                chomp $line;
1688                $line_class_num = ($line_class_num + 1) % $line_class_len;
1689
1690                if ($line =~ m/^([0-9a-fA-F]{40})\t\(\s*([^\t]+)\t(\d+) \+\d\d\d\d\t(\d+)\)(.*)$/) {
1691                        $long_rev = $1;
1692                        $author   = $2;
1693                        $time     = $3;
1694                        $lineno   = $4;
1695                        $data     = $5;
1696                } else {
1697                        print qq(  <tr><td colspan="5" class="error">Unable to parse: $line</td></tr>\n);
1698                        next;
1699                }
1700                $short_rev  = substr ($long_rev, 0, 8);
1701                $age        = time () - $time;
1702                $age_str    = age_string ($age);
1703                $age_str    =~ s/ /&nbsp;/g;
1704                $age_class  = age_class($age);
1705                $author     = esc_html ($author);
1706                $author     =~ s/ /&nbsp;/g;
1707
1708                $data = untabify($data);
1709                $data = esc_html ($data);
1710
1711                print <<HTML;
1712  <tr class="$line_class[$line_class_num]">
1713    <td class="sha1"><a href="$my_uri?${\esc_param ("p=$project;a=commit;h=$long_rev")}" class="text">$short_rev..</a></td>
1714    <td class="$age_class">$age_str</td>
1715    <td>$author</td>
1716    <td class="linenr"><a id="$lineno" href="#$lineno" class="linenr">$lineno</a></td>
1717    <td class="pre">$data</td>
1718  </tr>
1719HTML
1720        } # while (my $line = <$fd>)
1721        print "</table>\n\n";
1722        close $fd or print "Reading blob failed.\n";
1723        print "</div>";
1724        git_footer_html();
1725}
1726
1727sub git_tags {
1728        my $head = git_get_head_hash($project);
1729        git_header_html();
1730        git_print_page_nav('','', $head,undef,$head);
1731        git_print_header_div('summary', $project);
1732
1733        my $taglist = git_get_refs_list("refs/tags");
1734        if (defined @$taglist) {
1735                git_tags_body($taglist);
1736        }
1737        git_footer_html();
1738}
1739
1740sub git_heads {
1741        my $head = git_get_head_hash($project);
1742        git_header_html();
1743        git_print_page_nav('','', $head,undef,$head);
1744        git_print_header_div('summary', $project);
1745
1746        my $taglist = git_get_refs_list("refs/heads");
1747        if (defined @$taglist) {
1748                git_heads_body($taglist, $head);
1749        }
1750        git_footer_html();
1751}
1752
1753sub git_blob_plain {
1754        if (!defined $hash) {
1755                if (defined $file_name) {
1756                        my $base = $hash_base || git_get_head_hash($project);
1757                        $hash = git_get_hash_by_path($base, $file_name, "blob")
1758                                or die_error(undef, "Error lookup file");
1759                } else {
1760                        die_error(undef, "No file name defined");
1761                }
1762        }
1763        my $type = shift;
1764        open my $fd, "-|", $GIT, "cat-file", "blob", $hash
1765                or die_error(undef, "Couldn't cat $file_name, $hash");
1766
1767        $type ||= blob_mimetype($fd, $file_name);
1768
1769        # save as filename, even when no $file_name is given
1770        my $save_as = "$hash";
1771        if (defined $file_name) {
1772                $save_as = $file_name;
1773        } elsif ($type =~ m/^text\//) {
1774                $save_as .= '.txt';
1775        }
1776
1777        print $cgi->header(-type => "$type", '-content-disposition' => "inline; filename=\"$save_as\"");
1778        undef $/;
1779        binmode STDOUT, ':raw';
1780        print <$fd>;
1781        binmode STDOUT, ':utf8'; # as set at the beginning of gitweb.cgi
1782        $/ = "\n";
1783        close $fd;
1784}
1785
1786sub git_blob {
1787        if (!defined $hash) {
1788                if (defined $file_name) {
1789                        my $base = $hash_base || git_get_head_hash($project);
1790                        $hash = git_get_hash_by_path($base, $file_name, "blob")
1791                                or die_error(undef, "Error lookup file");
1792                } else {
1793                        die_error(undef, "No file name defined");
1794                }
1795        }
1796        my $have_blame = git_get_project_config_bool ('blame');
1797        open my $fd, "-|", $GIT, "cat-file", "blob", $hash
1798                or die_error(undef, "Couldn't cat $file_name, $hash");
1799        my $mimetype = blob_mimetype($fd, $file_name);
1800        if ($mimetype !~ m/^text\//) {
1801                close $fd;
1802                return git_blob_plain($mimetype);
1803        }
1804        git_header_html();
1805        my $formats_nav = '';
1806        if (defined $hash_base && (my %co = parse_commit($hash_base))) {
1807                if (defined $file_name) {
1808                        if ($have_blame) {
1809                                $formats_nav .= $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blame;h=$hash;hb=$hash_base;f=$file_name")}, "blame") . " | ";
1810                        }
1811                        $formats_nav .=
1812                                $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob_plain;h=$hash;f=$file_name")}, "plain") .
1813                                " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;hb=HEAD;f=$file_name")}, "head");
1814                } else {
1815                        $formats_nav .= $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob_plain;h=$hash")}, "plain");
1816                }
1817                git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
1818                git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
1819        } else {
1820                print "<div class=\"page_nav\">\n" .
1821                      "<br/><br/></div>\n" .
1822                      "<div class=\"title\">$hash</div>\n";
1823        }
1824        git_print_page_path($file_name, "blob");
1825        print "<div class=\"page_body\">\n";
1826        my $nr;
1827        while (my $line = <$fd>) {
1828                chomp $line;
1829                $nr++;
1830                $line = untabify($line);
1831                printf "<div class=\"pre\"><a id=\"l%i\" href=\"#l%i\" class=\"linenr\">%4i</a> %s</div>\n", $nr, $nr, $nr, esc_html($line);
1832        }
1833        close $fd or print "Reading blob failed.\n";
1834        print "</div>";
1835        git_footer_html();
1836}
1837
1838sub git_tree {
1839        if (!defined $hash) {
1840                $hash = git_get_head_hash($project);
1841                if (defined $file_name) {
1842                        my $base = $hash_base || $hash;
1843                        $hash = git_get_hash_by_path($base, $file_name, "tree");
1844                }
1845                if (!defined $hash_base) {
1846                        $hash_base = $hash;
1847                }
1848        }
1849        $/ = "\0";
1850        open my $fd, "-|", $GIT, "ls-tree", '-z', $hash
1851                or die_error(undef, "Open git-ls-tree failed");
1852        my @entries = map { chomp; $_ } <$fd>;
1853        close $fd or die_error(undef, "Reading tree failed");
1854        $/ = "\n";
1855
1856        my $refs = git_get_references();
1857        my $ref = format_ref_marker($refs, $hash_base);
1858        git_header_html();
1859        my $base_key = "";
1860        my $base = "";
1861        my $have_blame = git_get_project_config_bool ('blame');
1862        if (defined $hash_base && (my %co = parse_commit($hash_base))) {
1863                $base_key = ";hb=$hash_base";
1864                git_print_page_nav('tree','', $hash_base);
1865                git_print_header_div('commit', esc_html($co{'title'}) . $ref, $hash_base);
1866        } else {
1867                print "<div class=\"page_nav\">\n";
1868                print "<br/><br/></div>\n";
1869                print "<div class=\"title\">$hash</div>\n";
1870        }
1871        if (defined $file_name) {
1872                $base = esc_html("$file_name/");
1873        }
1874        git_print_page_path($file_name, 'tree');
1875        print "<div class=\"page_body\">\n";
1876        print "<table cellspacing=\"0\">\n";
1877        my $alternate = 0;
1878        foreach my $line (@entries) {
1879                #'100644        blob    0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa        panic.c'
1880                $line =~ m/^([0-9]+) (.+) ([0-9a-fA-F]{40})\t(.+)$/;
1881                my $t_mode = $1;
1882                my $t_type = $2;
1883                my $t_hash = $3;
1884                my $t_name = validate_input($4);
1885                if ($alternate) {
1886                        print "<tr class=\"dark\">\n";
1887                } else {
1888                        print "<tr class=\"light\">\n";
1889                }
1890                $alternate ^= 1;
1891                print "<td class=\"mode\">" . mode_str($t_mode) . "</td>\n";
1892                if ($t_type eq "blob") {
1893                        print "<td class=\"list\">" .
1894                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$t_hash$base_key;f=$base$t_name"), -class => "list"}, esc_html($t_name)) .
1895                              "</td>\n" .
1896                              "<td class=\"link\">" .
1897                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$t_hash$base_key;f=$base$t_name")}, "blob");
1898                        if ($have_blame) {
1899                                print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blame;h=$t_hash$base_key;f=$base$t_name")}, "blame");
1900                        }
1901                        print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=history;h=$t_hash;hb=$hash_base;f=$base$t_name")}, "history") .
1902                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob_plain;h=$t_hash;f=$base$t_name")}, "raw") .
1903                              "</td>\n";
1904                } elsif ($t_type eq "tree") {
1905                        print "<td class=\"list\">" .
1906                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$t_hash$base_key;f=$base$t_name")}, esc_html($t_name)) .
1907                              "</td>\n" .
1908                              "<td class=\"link\">" .
1909                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$t_hash$base_key;f=$base$t_name")}, "tree") .
1910                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=history;hb=$hash_base;f=$base$t_name")}, "history") .
1911                              "</td>\n";
1912                }
1913                print "</tr>\n";
1914        }
1915        print "</table>\n" .
1916              "</div>";
1917        git_footer_html();
1918}
1919
1920sub git_log {
1921        my $head = git_get_head_hash($project);
1922        if (!defined $hash) {
1923                $hash = $head;
1924        }
1925        if (!defined $page) {
1926                $page = 0;
1927        }
1928        my $refs = git_get_references();
1929
1930        my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
1931        open my $fd, "-|", $GIT, "rev-list", $limit, $hash
1932                or die_error(undef, "Open git-rev-list failed");
1933        my @revlist = map { chomp; $_ } <$fd>;
1934        close $fd;
1935
1936        my $paging_nav = format_paging_nav('log', $hash, $head, $page, $#revlist);
1937
1938        git_header_html();
1939        git_print_page_nav('log','', $hash,undef,undef, $paging_nav);
1940
1941        if (!@revlist) {
1942                my %co = parse_commit($hash);
1943
1944                git_print_header_div('summary', $project);
1945                print "<div class=\"page_body\"> Last change $co{'age_string'}.<br/><br/></div>\n";
1946        }
1947        for (my $i = ($page * 100); $i <= $#revlist; $i++) {
1948                my $commit = $revlist[$i];
1949                my $ref = format_ref_marker($refs, $commit);
1950                my %co = parse_commit($commit);
1951                next if !%co;
1952                my %ad = parse_date($co{'author_epoch'});
1953                git_print_header_div('commit',
1954                               "<span class=\"age\">$co{'age_string'}</span>" .
1955                               esc_html($co{'title'}) . $ref,
1956                               $commit);
1957                print "<div class=\"title_text\">\n" .
1958                      "<div class=\"log_link\">\n" .
1959                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$commit")}, "commit") .
1960                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$commit")}, "commitdiff") .
1961                      "<br/>\n" .
1962                      "</div>\n" .
1963                      "<i>" . esc_html($co{'author_name'}) .  " [$ad{'rfc2822'}]</i><br/>\n" .
1964                      "</div>\n" .
1965                      "<div class=\"log_body\">\n";
1966                my $comment = $co{'comment'};
1967                my $empty = 0;
1968                foreach my $line (@$comment) {
1969                        if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
1970                                next;
1971                        }
1972                        if ($line eq "") {
1973                                if ($empty) {
1974                                        next;
1975                                }
1976                                $empty = 1;
1977                        } else {
1978                                $empty = 0;
1979                        }
1980                        print format_log_line_html($line) . "<br/>\n";
1981                }
1982                if (!$empty) {
1983                        print "<br/>\n";
1984                }
1985                print "</div>\n";
1986        }
1987        git_footer_html();
1988}
1989
1990sub git_commit {
1991        my %co = parse_commit($hash);
1992        if (!%co) {
1993                die_error(undef, "Unknown commit object");
1994        }
1995        my %ad = parse_date($co{'author_epoch'}, $co{'author_tz'});
1996        my %cd = parse_date($co{'committer_epoch'}, $co{'committer_tz'});
1997
1998        my $parent = $co{'parent'};
1999        if (!defined $parent) {
2000                $parent = "--root";
2001        }
2002        open my $fd, "-|", $GIT, "diff-tree", '-r', '-M', $parent, $hash
2003                or die_error(undef, "Open git-diff-tree failed");
2004        my @difftree = map { chomp; $_ } <$fd>;
2005        close $fd or die_error(undef, "Reading git-diff-tree failed");
2006
2007        # non-textual hash id's can be cached
2008        my $expires;
2009        if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
2010                $expires = "+1d";
2011        }
2012        my $refs = git_get_references();
2013        my $ref = format_ref_marker($refs, $co{'id'});
2014        my $formats_nav = '';
2015        if (defined $file_name && defined $co{'parent'}) {
2016                my $parent = $co{'parent'};
2017                $formats_nav .= $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blame;hb=$parent;f=$file_name")}, "blame");
2018        }
2019        git_header_html(undef, $expires);
2020        git_print_page_nav('commit', defined $co{'parent'} ? '' : 'commitdiff',
2021                     $hash, $co{'tree'}, $hash,
2022                     $formats_nav);
2023
2024        if (defined $co{'parent'}) {
2025                git_print_header_div('commitdiff', esc_html($co{'title'}) . $ref, $hash);
2026        } else {
2027                git_print_header_div('tree', esc_html($co{'title'}) . $ref, $co{'tree'}, $hash);
2028        }
2029        print "<div class=\"title_text\">\n" .
2030              "<table cellspacing=\"0\">\n";
2031        print "<tr><td>author</td><td>" . esc_html($co{'author'}) . "</td></tr>\n".
2032              "<tr>" .
2033              "<td></td><td> $ad{'rfc2822'}";
2034        if ($ad{'hour_local'} < 6) {
2035                printf(" (<span class=\"atnight\">%02d:%02d</span> %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
2036        } else {
2037                printf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
2038        }
2039        print "</td>" .
2040              "</tr>\n";
2041        print "<tr><td>committer</td><td>" . esc_html($co{'committer'}) . "</td></tr>\n";
2042        print "<tr><td></td><td> $cd{'rfc2822'}" . sprintf(" (%02d:%02d %s)", $cd{'hour_local'}, $cd{'minute_local'}, $cd{'tz_local'}) . "</td></tr>\n";
2043        print "<tr><td>commit</td><td class=\"sha1\">$co{'id'}</td></tr>\n";
2044        print "<tr>" .
2045              "<td>tree</td>" .
2046              "<td class=\"sha1\">" .
2047              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash"), class => "list"}, $co{'tree'}) .
2048              "</td>" .
2049              "<td class=\"link\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash")}, "tree") .
2050              "</td>" .
2051              "</tr>\n";
2052        my $parents = $co{'parents'};
2053        foreach my $par (@$parents) {
2054                print "<tr>" .
2055                      "<td>parent</td>" .
2056                      "<td class=\"sha1\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$par"), class => "list"}, $par) . "</td>" .
2057                      "<td class=\"link\">" .
2058                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$par")}, "commit") .
2059                      " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash;hp=$par")}, "commitdiff") .
2060                      "</td>" .
2061                      "</tr>\n";
2062        }
2063        print "</table>".
2064              "</div>\n";
2065        print "<div class=\"page_body\">\n";
2066        my $comment = $co{'comment'};
2067        my $empty = 0;
2068        my $signed = 0;
2069        foreach my $line (@$comment) {
2070                # print only one empty line
2071                if ($line eq "") {
2072                        if ($empty || $signed) {
2073                                next;
2074                        }
2075                        $empty = 1;
2076                } else {
2077                        $empty = 0;
2078                }
2079                if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
2080                        $signed = 1;
2081                        print "<span class=\"signoff\">" . esc_html($line) . "</span><br/>\n";
2082                } else {
2083                        $signed = 0;
2084                        print format_log_line_html($line) . "<br/>\n";
2085                }
2086        }
2087        print "</div>\n";
2088        print "<div class=\"list_head\">\n";
2089        if ($#difftree > 10) {
2090                print(($#difftree + 1) . " files changed:\n");
2091        }
2092        print "</div>\n";
2093        print "<table class=\"diff_tree\">\n";
2094        my $alternate = 0;
2095        foreach my $line (@difftree) {
2096                # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M      ls-files.c'
2097                # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M      rev-tree.c'
2098                if ($line !~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/) {
2099                        next;
2100                }
2101                my $from_mode = $1;
2102                my $to_mode = $2;
2103                my $from_id = $3;
2104                my $to_id = $4;
2105                my $status = $5;
2106                my $similarity = $6;
2107                my $file = validate_input(unquote($7));
2108                if ($alternate) {
2109                        print "<tr class=\"dark\">\n";
2110                } else {
2111                        print "<tr class=\"light\">\n";
2112                }
2113                $alternate ^= 1;
2114                if ($status eq "A") {
2115                        my $mode_chng = "";
2116                        if (S_ISREG(oct $to_mode)) {
2117                                $mode_chng = sprintf(" with mode: %04o", (oct $to_mode) & 0777);
2118                        }
2119                        print "<td>" .
2120                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file"), -class => "list"}, esc_html($file)) . "</td>\n" .
2121                              "<td><span class=\"file_status new\">[new " . file_type($to_mode) . "$mode_chng]</span></td>\n" .
2122                              "<td class=\"link\">" . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, "blob") . "</td>\n";
2123                } elsif ($status eq "D") {
2124                        print "<td>" .
2125                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$parent;f=$file"), -class => "list"}, esc_html($file)) . "</td>\n" .
2126                              "<td><span class=\"file_status deleted\">[deleted " . file_type($from_mode). "]</span></td>\n" .
2127                              "<td class=\"link\">" .
2128                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$parent;f=$file")}, "blob") .
2129                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=history;hb=$parent;f=$file")}, "history") .
2130                              "</td>\n"
2131                } elsif ($status eq "M" || $status eq "T") {
2132                        my $mode_chnge = "";
2133                        if ($from_mode != $to_mode) {
2134                                $mode_chnge = " <span class=\"file_status mode_chnge\">[changed";
2135                                if (((oct $from_mode) & S_IFMT) != ((oct $to_mode) & S_IFMT)) {
2136                                        $mode_chnge .= " from " . file_type($from_mode) . " to " . file_type($to_mode);
2137                                }
2138                                if (((oct $from_mode) & 0777) != ((oct $to_mode) & 0777)) {
2139                                        if (S_ISREG($from_mode) && S_ISREG($to_mode)) {
2140                                                $mode_chnge .= sprintf(" mode: %04o->%04o", (oct $from_mode) & 0777, (oct $to_mode) & 0777);
2141                                        } elsif (S_ISREG($to_mode)) {
2142                                                $mode_chnge .= sprintf(" mode: %04o", (oct $to_mode) & 0777);
2143                                        }
2144                                }
2145                                $mode_chnge .= "]</span>\n";
2146                        }
2147                        print "<td>";
2148                        if ($to_id ne $from_id) {
2149                                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));
2150                        } else {
2151                                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file"), -class => "list"}, esc_html($file));
2152                        }
2153                        print "</td>\n" .
2154                              "<td>$mode_chnge</td>\n" .
2155                              "<td class=\"link\">";
2156                        print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, "blob");
2157                        if ($to_id ne $from_id) {
2158                                print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$file")}, "diff");
2159                        }
2160                        print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=history;hb=$hash;f=$file")}, "history") . "\n";
2161                        print "</td>\n";
2162                } elsif ($status eq "R") {
2163                        my ($from_file, $to_file) = split "\t", $file;
2164                        my $mode_chng = "";
2165                        if ($from_mode != $to_mode) {
2166                                $mode_chng = sprintf(", mode: %04o", (oct $to_mode) & 0777);
2167                        }
2168                        print "<td>" .
2169                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$to_file"), -class => "list"}, esc_html($to_file)) . "</td>\n" .
2170                              "<td><span class=\"file_status moved\">[moved from " .
2171                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$parent;f=$from_file"), -class => "list"}, esc_html($from_file)) .
2172                              " with " . (int $similarity) . "% similarity$mode_chng]</span></td>\n" .
2173                              "<td class=\"link\">" .
2174                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$to_file")}, "blob");
2175                        if ($to_id ne $from_id) {
2176                                print " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff;h=$to_id;hp=$from_id;hb=$hash;f=$to_file")}, "diff");
2177                        }
2178                        print "</td>\n";
2179                }
2180                print "</tr>\n";
2181        }
2182        print "</table>\n";
2183        git_footer_html();
2184}
2185
2186sub git_blobdiff {
2187        mkdir($git_temp, 0700);
2188        git_header_html();
2189        if (defined $hash_base && (my %co = parse_commit($hash_base))) {
2190                my $formats_nav =
2191                        $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blobdiff_plain;h=$hash;hp=$hash_parent")}, "plain");
2192                git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
2193                git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2194        } else {
2195                print "<div class=\"page_nav\">\n" .
2196                      "<br/><br/></div>\n" .
2197                      "<div class=\"title\">$hash vs $hash_parent</div>\n";
2198        }
2199        git_print_page_path($file_name, "blob");
2200        print "<div class=\"page_body\">\n" .
2201              "<div class=\"diff_info\">blob:" .
2202              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$hash_parent;hb=$hash_base;f=$file_name")}, $hash_parent) .
2203              " -> blob:" .
2204              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$hash;hb=$hash_base;f=$file_name")}, $hash) .
2205              "</div>\n";
2206        git_diff_print($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash);
2207        print "</div>";
2208        git_footer_html();
2209}
2210
2211sub git_blobdiff_plain {
2212        mkdir($git_temp, 0700);
2213        print $cgi->header(-type => "text/plain", -charset => 'utf-8');
2214        git_diff_print($hash_parent, $file_name || $hash_parent, $hash, $file_name || $hash, "plain");
2215}
2216
2217sub git_commitdiff {
2218        mkdir($git_temp, 0700);
2219        my %co = parse_commit($hash);
2220        if (!%co) {
2221                die_error(undef, "Unknown commit object");
2222        }
2223        if (!defined $hash_parent) {
2224                $hash_parent = $co{'parent'} || '--root';
2225        }
2226        open my $fd, "-|", $GIT, "diff-tree", '-r', $hash_parent, $hash
2227                or die_error(undef, "Open git-diff-tree failed");
2228        my @difftree = map { chomp; $_ } <$fd>;
2229        close $fd or die_error(undef, "Reading git-diff-tree failed");
2230
2231        # non-textual hash id's can be cached
2232        my $expires;
2233        if ($hash =~ m/^[0-9a-fA-F]{40}$/) {
2234                $expires = "+1d";
2235        }
2236        my $refs = git_get_references();
2237        my $ref = format_ref_marker($refs, $co{'id'});
2238        my $formats_nav =
2239                $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff_plain;h=$hash;hp=$hash_parent")}, "plain");
2240        git_header_html(undef, $expires);
2241        git_print_page_nav('commitdiff','', $hash,$co{'tree'},$hash, $formats_nav);
2242        git_print_header_div('commit', esc_html($co{'title'}) . $ref, $hash);
2243        print "<div class=\"page_body\">\n";
2244        my $comment = $co{'comment'};
2245        my $empty = 0;
2246        my $signed = 0;
2247        my @log = @$comment;
2248        # remove first and empty lines after that
2249        shift @log;
2250        while (defined $log[0] && $log[0] eq "") {
2251                shift @log;
2252        }
2253        foreach my $line (@log) {
2254                if ($line =~ m/^ *(signed[ \-]off[ \-]by[ :]|acked[ \-]by[ :]|cc[ :])/i) {
2255                        next;
2256                }
2257                if ($line eq "") {
2258                        if ($empty) {
2259                                next;
2260                        }
2261                        $empty = 1;
2262                } else {
2263                        $empty = 0;
2264                }
2265                print format_log_line_html($line) . "<br/>\n";
2266        }
2267        print "<br/>\n";
2268        foreach my $line (@difftree) {
2269                # ':100644 100644 03b218260e99b78c6df0ed378e59ed9205ccc96d 3b93d5e7cc7f7dd4ebed13a5cc1a4ad976fc94d8 M      ls-files.c'
2270                # ':100644 100644 7f9281985086971d3877aca27704f2aaf9c448ce bc190ebc71bbd923f2b728e505408f5e54bd073a M      rev-tree.c'
2271                if ($line !~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/) {
2272                        next;
2273                }
2274                my $from_mode = $1;
2275                my $to_mode = $2;
2276                my $from_id = $3;
2277                my $to_id = $4;
2278                my $status = $5;
2279                my $file = validate_input(unquote($6));
2280                if ($status eq "A") {
2281                        print "<div class=\"diff_info\">" . file_type($to_mode) . ":" .
2282                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, $to_id) . "(new)" .
2283                              "</div>\n";
2284                        git_diff_print(undef, "/dev/null", $to_id, "b/$file");
2285                } elsif ($status eq "D") {
2286                        print "<div class=\"diff_info\">" . file_type($from_mode) . ":" .
2287                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash_parent;f=$file")}, $from_id) . "(deleted)" .
2288                              "</div>\n";
2289                        git_diff_print($from_id, "a/$file", undef, "/dev/null");
2290                } elsif ($status eq "M") {
2291                        if ($from_id ne $to_id) {
2292                                print "<div class=\"diff_info\">" .
2293                                      file_type($from_mode) . ":" .
2294                                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$from_id;hb=$hash_parent;f=$file")}, $from_id) .
2295                                      " -> " .
2296                                      file_type($to_mode) . ":" .
2297                                      $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$to_id;hb=$hash;f=$file")}, $to_id);
2298                                print "</div>\n";
2299                                git_diff_print($from_id, "a/$file",  $to_id, "b/$file");
2300                        }
2301                }
2302        }
2303        print "<br/>\n" .
2304              "</div>";
2305        git_footer_html();
2306}
2307
2308sub git_commitdiff_plain {
2309        mkdir($git_temp, 0700);
2310        my %co = parse_commit($hash);
2311        if (!%co) {
2312                die_error(undef, "Unknown commit object");
2313        }
2314        if (!defined $hash_parent) {
2315                $hash_parent = $co{'parent'} || '--root';
2316        }
2317        open my $fd, "-|", $GIT, "diff-tree", '-r', $hash_parent, $hash
2318                or die_error(undef, "Open git-diff-tree failed");
2319        my @difftree = map { chomp; $_ } <$fd>;
2320        close $fd or die_error(undef, "Reading diff-tree failed");
2321
2322        # try to figure out the next tag after this commit
2323        my $tagname;
2324        my $refs = git_get_references("tags");
2325        open $fd, "-|", $GIT, "rev-list", "HEAD";
2326        my @commits = map { chomp; $_ } <$fd>;
2327        close $fd;
2328        foreach my $commit (@commits) {
2329                if (defined $refs->{$commit}) {
2330                        $tagname = $refs->{$commit}
2331                }
2332                if ($commit eq $hash) {
2333                        last;
2334                }
2335        }
2336
2337        print $cgi->header(-type => "text/plain", -charset => 'utf-8', '-content-disposition' => "inline; filename=\"git-$hash.patch\"");
2338        my %ad = parse_date($co{'author_epoch'}, $co{'author_tz'});
2339        my $comment = $co{'comment'};
2340        print "From: $co{'author'}\n" .
2341              "Date: $ad{'rfc2822'} ($ad{'tz_local'})\n".
2342              "Subject: $co{'title'}\n";
2343        if (defined $tagname) {
2344                print "X-Git-Tag: $tagname\n";
2345        }
2346        print "X-Git-Url: $my_url?p=$project;a=commitdiff;h=$hash\n" .
2347              "\n";
2348
2349        foreach my $line (@$comment) {;
2350                print "$line\n";
2351        }
2352        print "---\n\n";
2353
2354        foreach my $line (@difftree) {
2355                if ($line !~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/) {
2356                        next;
2357                }
2358                my $from_id = $3;
2359                my $to_id = $4;
2360                my $status = $5;
2361                my $file = $6;
2362                if ($status eq "A") {
2363                        git_diff_print(undef, "/dev/null", $to_id, "b/$file", "plain");
2364                } elsif ($status eq "D") {
2365                        git_diff_print($from_id, "a/$file", undef, "/dev/null", "plain");
2366                } elsif ($status eq "M") {
2367                        git_diff_print($from_id, "a/$file",  $to_id, "b/$file", "plain");
2368                }
2369        }
2370}
2371
2372sub git_history {
2373        if (!defined $hash_base) {
2374                $hash_base = git_get_head_hash($project);
2375        }
2376        my $ftype;
2377        my %co = parse_commit($hash_base);
2378        if (!%co) {
2379                die_error(undef, "Unknown commit object");
2380        }
2381        my $refs = git_get_references();
2382        git_header_html();
2383        git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base);
2384        git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
2385        if (!defined $hash && defined $file_name) {
2386                $hash = git_get_hash_by_path($hash_base, $file_name);
2387        }
2388        if (defined $hash) {
2389                $ftype = git_get_type($hash);
2390        }
2391        git_print_page_path($file_name, $ftype);
2392
2393        open my $fd, "-|",
2394                $GIT, "rev-list", "--full-history", $hash_base, "--", $file_name;
2395        git_history_body($fd, $refs, $hash_base, $ftype);
2396
2397        close $fd;
2398        git_footer_html();
2399}
2400
2401sub git_search {
2402        if (!defined $searchtext) {
2403                die_error(undef, "Text field empty");
2404        }
2405        if (!defined $hash) {
2406                $hash = git_get_head_hash($project);
2407        }
2408        my %co = parse_commit($hash);
2409        if (!%co) {
2410                die_error(undef, "Unknown commit object");
2411        }
2412        # pickaxe may take all resources of your box and run for several minutes
2413        # with every query - so decide by yourself how public you make this feature :)
2414        my $commit_search = 1;
2415        my $author_search = 0;
2416        my $committer_search = 0;
2417        my $pickaxe_search = 0;
2418        if ($searchtext =~ s/^author\\://i) {
2419                $author_search = 1;
2420        } elsif ($searchtext =~ s/^committer\\://i) {
2421                $committer_search = 1;
2422        } elsif ($searchtext =~ s/^pickaxe\\://i) {
2423                $commit_search = 0;
2424                $pickaxe_search = 1;
2425        }
2426        git_header_html();
2427        git_print_page_nav('','', $hash,$co{'tree'},$hash);
2428        git_print_header_div('commit', esc_html($co{'title'}), $hash);
2429
2430        print "<table cellspacing=\"0\">\n";
2431        my $alternate = 0;
2432        if ($commit_search) {
2433                $/ = "\0";
2434                open my $fd, "-|", $GIT, "rev-list", "--header", "--parents", $hash or next;
2435                while (my $commit_text = <$fd>) {
2436                        if (!grep m/$searchtext/i, $commit_text) {
2437                                next;
2438                        }
2439                        if ($author_search && !grep m/\nauthor .*$searchtext/i, $commit_text) {
2440                                next;
2441                        }
2442                        if ($committer_search && !grep m/\ncommitter .*$searchtext/i, $commit_text) {
2443                                next;
2444                        }
2445                        my @commit_lines = split "\n", $commit_text;
2446                        my %co = parse_commit(undef, \@commit_lines);
2447                        if (!%co) {
2448                                next;
2449                        }
2450                        if ($alternate) {
2451                                print "<tr class=\"dark\">\n";
2452                        } else {
2453                                print "<tr class=\"light\">\n";
2454                        }
2455                        $alternate ^= 1;
2456                        print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2457                              "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
2458                              "<td>" .
2459                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}"), -class => "list"}, "<b>" . esc_html(chop_str($co{'title'}, 50)) . "</b><br/>");
2460                        my $comment = $co{'comment'};
2461                        foreach my $line (@$comment) {
2462                                if ($line =~ m/^(.*)($searchtext)(.*)$/i) {
2463                                        my $lead = esc_html($1) || "";
2464                                        $lead = chop_str($lead, 30, 10);
2465                                        my $match = esc_html($2) || "";
2466                                        my $trail = esc_html($3) || "";
2467                                        $trail = chop_str($trail, 30, 10);
2468                                        my $text = "$lead<span class=\"match\">$match</span>$trail";
2469                                        print chop_str($text, 80, 5) . "<br/>\n";
2470                                }
2471                        }
2472                        print "</td>\n" .
2473                              "<td class=\"link\">" .
2474                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}")}, "commit") .
2475                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$co{'id'}")}, "tree");
2476                        print "</td>\n" .
2477                              "</tr>\n";
2478                }
2479                close $fd;
2480        }
2481
2482        if ($pickaxe_search) {
2483                $/ = "\n";
2484                open my $fd, "-|", "$GIT rev-list $hash | $GIT diff-tree -r --stdin -S\'$searchtext\'";
2485                undef %co;
2486                my @files;
2487                while (my $line = <$fd>) {
2488                        if (%co && $line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)\t(.*)$/) {
2489                                my %set;
2490                                $set{'file'} = $6;
2491                                $set{'from_id'} = $3;
2492                                $set{'to_id'} = $4;
2493                                $set{'id'} = $set{'to_id'};
2494                                if ($set{'id'} =~ m/0{40}/) {
2495                                        $set{'id'} = $set{'from_id'};
2496                                }
2497                                if ($set{'id'} =~ m/0{40}/) {
2498                                        next;
2499                                }
2500                                push @files, \%set;
2501                        } elsif ($line =~ m/^([0-9a-fA-F]{40})$/){
2502                                if (%co) {
2503                                        if ($alternate) {
2504                                                print "<tr class=\"dark\">\n";
2505                                        } else {
2506                                                print "<tr class=\"light\">\n";
2507                                        }
2508                                        $alternate ^= 1;
2509                                        print "<td title=\"$co{'age_string_age'}\"><i>$co{'age_string_date'}</i></td>\n" .
2510                                              "<td><i>" . esc_html(chop_str($co{'author_name'}, 15, 5)) . "</i></td>\n" .
2511                                              "<td>" .
2512                                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}"), -class => "list"}, "<b>" .
2513                                              esc_html(chop_str($co{'title'}, 50)) . "</b><br/>");
2514                                        while (my $setref = shift @files) {
2515                                                my %set = %$setref;
2516                                                print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$set{'id'};hb=$co{'id'};f=$set{'file'}"), class => "list"},
2517                                                      "<span class=\"match\">" . esc_html($set{'file'}) . "</span>") .
2518                                                      "<br/>\n";
2519                                        }
2520                                        print "</td>\n" .
2521                                              "<td class=\"link\">" .
2522                                              $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$co{'id'}")}, "commit") .
2523                                              " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$co{'id'}")}, "tree");
2524                                        print "</td>\n" .
2525                                              "</tr>\n";
2526                                }
2527                                %co = parse_commit($1);
2528                        }
2529                }
2530                close $fd;
2531        }
2532        print "</table>\n";
2533        git_footer_html();
2534}
2535
2536sub git_shortlog {
2537        my $head = git_get_head_hash($project);
2538        if (!defined $hash) {
2539                $hash = $head;
2540        }
2541        if (!defined $page) {
2542                $page = 0;
2543        }
2544        my $refs = git_get_references();
2545
2546        my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
2547        open my $fd, "-|", $GIT, "rev-list", $limit, $hash
2548                or die_error(undef, "Open git-rev-list failed");
2549        my @revlist = map { chomp; $_ } <$fd>;
2550        close $fd;
2551
2552        my $paging_nav = format_paging_nav('shortlog', $hash, $head, $page, $#revlist);
2553        my $next_link = '';
2554        if ($#revlist >= (100 * ($page+1)-1)) {
2555                $next_link =
2556                        $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog;h=$hash;pg=" . ($page+1)),
2557                                 -title => "Alt-n"}, "next");
2558        }
2559
2560
2561        git_header_html();
2562        git_print_page_nav('shortlog','', $hash,$hash,$hash, $paging_nav);
2563        git_print_header_div('summary', $project);
2564
2565        git_shortlog_body(\@revlist, ($page * 100), $#revlist, $refs, $next_link);
2566
2567        git_footer_html();
2568}
2569
2570## ......................................................................
2571## feeds (RSS, OPML)
2572
2573sub git_rss {
2574        # http://www.notestips.com/80256B3A007F2692/1/NAMO5P9UPQ
2575        open my $fd, "-|", $GIT, "rev-list", "--max-count=150", git_get_head_hash($project)
2576                or die_error(undef, "Open git-rev-list failed");
2577        my @revlist = map { chomp; $_ } <$fd>;
2578        close $fd or die_error(undef, "Reading git-rev-list failed");
2579        print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
2580        print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
2581              "<rss version=\"2.0\" xmlns:content=\"http://purl.org/rss/1.0/modules/content/\">\n";
2582        print "<channel>\n";
2583        print "<title>$project</title>\n".
2584              "<link>" . esc_html("$my_url?p=$project;a=summary") . "</link>\n".
2585              "<description>$project log</description>\n".
2586              "<language>en</language>\n";
2587
2588        for (my $i = 0; $i <= $#revlist; $i++) {
2589                my $commit = $revlist[$i];
2590                my %co = parse_commit($commit);
2591                # we read 150, we always show 30 and the ones more recent than 48 hours
2592                if (($i >= 20) && ((time - $co{'committer_epoch'}) > 48*60*60)) {
2593                        last;
2594                }
2595                my %cd = parse_date($co{'committer_epoch'});
2596                open $fd, "-|", $GIT, "diff-tree", '-r', $co{'parent'}, $co{'id'} or next;
2597                my @difftree = map { chomp; $_ } <$fd>;
2598                close $fd or next;
2599                print "<item>\n" .
2600                      "<title>" .
2601                      sprintf("%d %s %02d:%02d", $cd{'mday'}, $cd{'month'}, $cd{'hour'}, $cd{'minute'}) . " - " . esc_html($co{'title'}) .
2602                      "</title>\n" .
2603                      "<author>" . esc_html($co{'author'}) . "</author>\n" .
2604                      "<pubDate>$cd{'rfc2822'}</pubDate>\n" .
2605                      "<guid isPermaLink=\"true\">" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</guid>\n" .
2606                      "<link>" . esc_html("$my_url?p=$project;a=commit;h=$commit") . "</link>\n" .
2607                      "<description>" . esc_html($co{'title'}) . "</description>\n" .
2608                      "<content:encoded>" .
2609                      "<![CDATA[\n";
2610                my $comment = $co{'comment'};
2611                foreach my $line (@$comment) {
2612                        $line = decode("utf8", $line, Encode::FB_DEFAULT);
2613                        print "$line<br/>\n";
2614                }
2615                print "<br/>\n";
2616                foreach my $line (@difftree) {
2617                        if (!($line =~ m/^:([0-7]{6}) ([0-7]{6}) ([0-9a-fA-F]{40}) ([0-9a-fA-F]{40}) (.)([0-9]{0,3})\t(.*)$/)) {
2618                                next;
2619                        }
2620                        my $file = validate_input(unquote($7));
2621                        $file = decode("utf8", $file, Encode::FB_DEFAULT);
2622                        print "$file<br/>\n";
2623                }
2624                print "]]>\n" .
2625                      "</content:encoded>\n" .
2626                      "</item>\n";
2627        }
2628        print "</channel></rss>";
2629}
2630
2631sub git_opml {
2632        my @list = git_get_projects_list();
2633
2634        print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
2635        print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
2636              "<opml version=\"1.0\">\n".
2637              "<head>".
2638              "  <title>$site_name Git OPML Export</title>\n".
2639              "</head>\n".
2640              "<body>\n".
2641              "<outline text=\"git RSS feeds\">\n";
2642
2643        foreach my $pr (@list) {
2644                my %proj = %$pr;
2645                my $head = git_get_head_hash($proj{'path'});
2646                if (!defined $head) {
2647                        next;
2648                }
2649                $ENV{'GIT_DIR'} = "$projectroot/$proj{'path'}";
2650                my %co = parse_commit($head);
2651                if (!%co) {
2652                        next;
2653                }
2654
2655                my $path = esc_html(chop_str($proj{'path'}, 25, 5));
2656                my $rss  = "$my_url?p=$proj{'path'};a=rss";
2657                my $html = "$my_url?p=$proj{'path'};a=summary";
2658                print "<outline type=\"rss\" text=\"$path\" title=\"$path\" xmlUrl=\"$rss\" htmlUrl=\"$html\"/>\n";
2659        }
2660        print "</outline>\n".
2661              "</body>\n".
2662              "</opml>\n";
2663}