cook

   1 #!/usr/bin/perl -w
   2 # Maintain "what's cooking" messages
   3
   4 use strict;
   5
   6 my %reverts = ('next' => {
   7         map { $_ => 1 } qw(
   8             ) });
   9
  10 %reverts = ();
  11
  12 sub phrase_these {
  13         my %uniq = ();
  14         my (@u) = grep { $uniq{$_}++ == 0 } sort @_;
  15         my @d = ();
  16         for (my $i = 0; $i < @u; $i++) {
  17                 push @d, $u[$i];
  18                 if ($i == @u - 2) {
  19                         push @d, " and ";
  20                 } elsif ($i < @u - 2) {
  21                         push @d, ", ";
  22                 }
  23         }
  24         return join('', @d);
  25 }
  26
  27 sub describe_relation {
  28         my ($topic_info) = @_;
  29         my @desc;
  30
  31         if (exists $topic_info->{'used'}) {
  32                 push @desc, ("is used by " .
  33                              phrase_these(@{$topic_info->{'used'}}));
  34         }
  35
  36         if (exists $topic_info->{'uses'}) {
  37                 push @desc, ("uses " .
  38                              phrase_these(@{$topic_info->{'uses'}}));
  39         }
  40
  41         if (exists $topic_info->{'shares'}) {
  42                 push @desc, ("is tangled with " .
  43                              phrase_these(@{$topic_info->{'shares'}}));
  44         }
  45
  46         if (!@desc) {
  47                 return "";
  48         }
  49
  50         return "(this branch " . join("; ", @desc) . ".)";
  51 }
  52
  53 sub forks_from {
  54         my ($topic, $fork, $forkee, @overlap) = @_;
  55         my %ovl = map { $_ => 1 } (@overlap, @{$topic->{$forkee}{'log'}});
  56
  57         push @{$topic->{$fork}{'uses'}}, $forkee;
  58         push @{$topic->{$forkee}{'used'}}, $fork;
  59         @{$topic->{$fork}{'log'}} = (grep { !exists $ovl{$_} }
  60                                      @{$topic->{$fork}{'log'}});
  61 }
  62
  63 sub topic_relation {
  64         my ($topic, $one, $two) = @_;
  65
  66         my $fh;
  67         open($fh, '-|',
  68              qw(git log --abbrev=7), "--format=%m %h",
  69              "$one...$two", "^master")
  70             or die "$!: open log --left-right";
  71         my (@left, @right);
  72         while (<$fh>) {
  73                 my ($sign, $sha1) = /^(.) (.*)/;
  74                 if ($sign eq '<') {
  75                         push @left, $sha1;
  76                 } elsif ($sign eq '>') {
  77                         push @right, $sha1;
  78                 }
  79         }
  80         close($fh) or die "$!: close log --left-right";
  81
  82         if (!@left) {
  83                 if (@right) {
  84                         forks_from($topic, $two, $one);
  85                 }
  86         } elsif (!@right) {
  87                 forks_from($topic, $one, $two);
  88         } else {
  89                 push @{$topic->{$one}{'shares'}}, $two;
  90                 push @{$topic->{$two}{'shares'}}, $one;
  91         }
  92 }
  93
  94 =head1
  95 Inspect the current set of topics
  96
  97 Returns a hash:
  98
  99     $topic = {
 100         $branchname => {
 101             'tipdate' => date of the tip commit,
 102             'desc' => description string,
 103             'log' => [ $commit,... ],
 104         },
 105     }
 106
 107 =cut
 108
 109 sub get_commit {
 110         my (@base) = qw(master next pu);
 111         my $fh;
 112         open($fh, '-|',
 113              qw(git for-each-ref),
 114              "--format=%(refname:short) %(committerdate:iso8601)",
 115              "refs/heads/??/*")
 116             or die "$!: open for-each-ref";
 117         my @topic;
 118         my %topic;
 119
 120         while (<$fh>) {
 121                 chomp;
 122                 my ($branch, $date) = /^(\S+) (.*)$/;
 123                 push @topic, $branch;
 124                 $date =~ s/ .*//;
 125                 $topic{$branch} = +{
 126                         log => [],
 127                         tipdate => $date,
 128                 };
 129         }
 130         close($fh) or die "$!: close for-each-ref";
 131
 132         my %base = map { $_ => undef } @base;
 133         my %commit;
 134         my $show_branch_batch = 20;
 135
 136         while (@topic) {
 137                 my @t = (@base, splice(@topic, 0, $show_branch_batch));
 138                 my $header_delim = '-' x scalar(@t);
 139                 my $contain_pat = '.' x scalar(@t);
 140                 open($fh, '-|', qw(git show-branch --sparse --sha1-name),
 141                      map { "refs/heads/$_" } @t)
 142                     or die "$!: open show-branch";
 143                 while (<$fh>) {
 144                         chomp;
 145                         if ($header_delim) {
 146                                 if (/^$header_delim$/) {
 147                                         $header_delim = undef;
 148                                 }
 149                                 next;
 150                         }
 151                         my ($contain, $sha1, $log) =
 152                             ($_ =~ /^($contain_pat) \[([0-9a-f]+)\] (.*)$/);
 153
 154                         for (my $i = 0; $i < @t; $i++) {
 155                                 my $branch = $t[$i];
 156                                 my $sign = substr($contain, $i, 1);
 157                                 next if ($sign eq ' ');
 158                                 next if (substr($contain, 0, 1) ne ' ');
 159
 160                                 if (!exists $commit{$sha1}) {
 161                                         $commit{$sha1} = +{
 162                                                 branch => {},
 163                                                 log => $log,
 164                                         };
 165                                 }
 166                                 my $co = $commit{$sha1};
 167                                 if (!exists $reverts{$branch}{$sha1}) {
 168                                         $co->{'branch'}{$branch} = 1;
 169                                 }
 170                                 next if (exists $base{$branch});
 171                                 push @{$topic{$branch}{'log'}}, $sha1;
 172                         }
 173                 }
 174                 close($fh) or die "$!: close show-branch";
 175         }
 176
 177         my %shared;
 178         for my $sha1 (keys %commit) {
 179                 my $sign;
 180                 my $co = $commit{$sha1};
 181                 if (exists $co->{'branch'}{'next'}) {
 182                         $sign = '+';
 183                 } elsif (exists $co->{'branch'}{'pu'}) {
 184                         $sign = '-';
 185                 } else {
 186                         $sign = '.';
 187                 }
 188                 $co->{'log'} = $sign . ' ' . $co->{'log'};
 189                 my @t = (sort grep { !exists $base{$_} }
 190                          keys %{$co->{'branch'}});
 191                 next if (@t < 2);
 192                 my $t = "@t";
 193                 $shared{$t} = 1;
 194         }
 195
 196         for my $combo (keys %shared) {
 197                 my @combo = split(' ', $combo);
 198                 for (my $i = 0; $i < @combo - 1; $i++) {
 199                         for (my $j = $i + 1; $j < @combo; $j++) {
 200                                 topic_relation(\%topic, $combo[$i], $combo[$j]);
 201                         }
 202                 }
 203         }
 204
 205         open($fh, '-|',
 206              qw(git log --first-parent --abbrev=7),
 207              "--format=%ci %h %p :%s", "master..next")
 208             or die "$!: open log master..next";
 209         while (<$fh>) {
 210                 my ($date, $commit, $parent, $tips);
 211                 unless (($date, $commit, $parent, $tips) =
 212                         /^([-0-9]+) ..:..:.. .\d{4} (\S+) (\S+) ([^:]*):/) {
 213                         die "Oops: $_";
 214                 }
 215                 for my $tip (split(' ', $tips)) {
 216                         my $co = $commit{$tip};
 217                         next unless ($co->{'branch'}{'next'});
 218                         $co->{'merged'} = " (merged to 'next' on $date at $commit)";
 219                 }
 220         }
 221         close($fh) or die "$!: close log master..next";
 222
 223         for my $branch (keys %topic) {
 224                 my @log = ();
 225                 my $n = scalar(@{$topic{$branch}{'log'}});
 226                 if (!$n) {
 227                         delete $topic{$branch};
 228                         next;
 229                 } elsif ($n == 1) {
 230                         $n = "1 commit";
 231                 } else {
 232                         $n = "$n commits";
 233                 }
 234                 my $d = $topic{$branch}{'tipdate'};
 235                 my $head = "* $branch ($d) $n\n";
 236                 my @desc;
 237                 for (@{$topic{$branch}{'log'}}) {
 238                         my $co = $commit{$_};
 239                         if (exists $co->{'merged'}) {
 240                                 push @desc, $co->{'merged'};
 241                         }
 242                         push @desc, $commit{$_}->{'log'};
 243                 }
 244                 my $list = join("\n", map { " " . $_ } @desc);
 245                 my $relation = describe_relation($topic{$branch});
 246                 $topic{$branch}{'desc'} = $head . $list;
 247                 if ($relation) {
 248                         $topic{$branch}{'desc'} .= "\n $relation";
 249                 }
 250         }
 251
 252         return \%topic;
 253 }
 254
 255 sub blurb_text {
 256         my ($mon, $year, $issue, $dow, $date,
 257             $master_at, $next_at, $text) = @_;
 258
 259         my $now_string = localtime;
 260         my ($current_dow, $current_mon, $current_date, $current_year) =
 261             ($now_string =~ /^(\w+) (\w+) (\d+) [\d:]+ (\d+)$/);
 262
 263         $mon ||= $current_mon;
 264         $year ||= $current_year;
 265         $issue ||= "01";
 266         $dow ||= $current_dow;
 267         $date ||= $current_date;
 268         $master_at ||= '0' x 40;
 269         $next_at ||= '0' x 40;
 270         $text ||= <<'EOF';
 271 Here are the topics that have been cooking.  Commits prefixed with '-' are
 272 only in 'pu' (proposed updates) while commits prefixed with '+' are in 'next'.
 273 The ones marked with '.' do not appear in any of the integration branches,
 274 but I am still holding onto them.
 275
 276 You can find the changes described here in the integration branches of the
 277 repositories listed at
 278
 279     http://git-blame.blogspot.com/p/git-public-repositories.html
 280 EOF
 281
 282         $text = <<EOF;
 283 To: git\@vger.kernel.org
 284 Subject: What's cooking in git.git ($mon $year, #$issue; $dow, $date)
 285 X-master-at: $master_at
 286 X-next-at: $next_at
 287
 288 What's cooking in git.git ($mon $year, #$issue; $dow, $date)
 289 --------------------------------------------------
 290
 291 $text
 292 EOF
 293         $text =~ s/\n+\Z/\n/;
 294         return $text;
 295 }
 296
 297 my $blurb_match = <<'EOF';
 298 To: .*
 299 Subject: What's cooking in \S+ \((\w+) (\d+), #(\d+); (\w+), (\d+)\)
 300 X-master-at: ([0-9a-f]{40})
 301 X-next-at: ([0-9a-f]{40})
 302
 303 What's cooking in \S+ \(\1 \2, #\3; \4, \5\)
 304 -{30,}
 305 \n*
 306 EOF
 307
 308 my $blurb = "b..l..u..r..b";
 309 sub read_previous {
 310         my ($fn) = @_;
 311         my $fh;
 312         my $section = undef;
 313         my $serial = 1;
 314         my $branch = $blurb;
 315         my $last_empty = undef;
 316         my (@section, %section, @branch, %branch, %description, @leader);
 317         my $in_unedited_olde = 0;
 318
 319         if (!-r $fn) {
 320                 return +{
 321                         'section_list' => [],
 322                         'section_data' => {},
 323                         'topic_description' => {
 324                                 $blurb => {
 325                                         desc => undef,
 326                                         text => blurb_text(),
 327                                 },
 328                         },
 329                 };
 330         }
 331
 332         open ($fh, '<', $fn) or die "$!: open $fn";
 333         while (<$fh>) {
 334                 chomp;
 335                 if ($in_unedited_olde) {
 336                         if (/^>>$/) {
 337                                 $in_unedited_olde = 0;
 338                                 $_ = " | $_";
 339                         }
 340                 } elsif (/^<<$/) {
 341                         $in_unedited_olde = 1;
 342                 }
 343
 344                 if ($in_unedited_olde) {
 345                         $_ = " | $_";
 346                 }
 347
 348                 if (defined $section && /^-{20,}$/) {
 349                         $_ = "";
 350                 }
 351                 if (/^$/) {
 352                         $last_empty = 1;
 353                         next;
 354                 }
 355                 if (/^\[(.*)\]\s*$/) {
 356                         $section = $1;
 357                         $branch = undef;
 358                         if (!exists $section{$section}) {
 359                                 push @section, $section;
 360                                 $section{$section} = [];
 361                         }
 362                         next;
 363                 }
 364                 if (defined $section && /^\* (\S+) /) {
 365                         $branch = $1;
 366                         $last_empty = 0;
 367                         if (!exists $branch{$branch}) {
 368                                 push @branch, [$branch, $section];
 369                                 $branch{$branch} = 1;
 370                         }
 371                         push @{$section{$section}}, $branch;
 372                 }
 373                 if (defined $branch) {
 374                         my $was_last_empty = $last_empty;
 375                         $last_empty = 0;
 376                         if (!exists $description{$branch}) {
 377                                 $description{$branch} = [];
 378                         }
 379                         if ($was_last_empty) {
 380                                 push @{$description{$branch}}, "";
 381                         }
 382                         push @{$description{$branch}}, $_;
 383                 }
 384         }
 385         close($fh);
 386
 387         for my $branch (keys %description) {
 388                 my $ary = $description{$branch};
 389                 if ($branch eq $blurb) {
 390                         while (@{$ary} && $ary->[-1] =~ /^-{30,}$/) {
 391                                 pop @{$ary};
 392                         }
 393                         $description{$branch} = +{
 394                                 desc => undef,
 395                                 text => join("\n", @{$ary}),
 396                         };
 397                 } else {
 398                         my @desc = ();
 399                         while (@{$ary}) {
 400                                 my $elem = shift @{$ary};
 401                                 last if ($elem eq '');
 402                                 push @desc, $elem;
 403                         }
 404                         $description{$branch} = +{
 405                                 desc => join("\n", @desc),
 406                                 text => join("\n", @{$ary}),
 407                         };
 408                 }
 409         }
 410
 411         return +{
 412                 section_list => \@section,
 413                 section_data => \%section,
 414                 topic_description => \%description,
 415         };
 416 }
 417
 418 sub write_cooking {
 419         my ($fn, $cooking) = @_;
 420         my $fh;
 421
 422         open($fh, '>', $fn) or die "$!: open $fn";
 423         print $fh $cooking->{'topic_description'}{$blurb}{'text'};
 424
 425         for my $section_name (@{$cooking->{'section_list'}}) {
 426                 my $topic_list = $cooking->{'section_data'}{$section_name};
 427                 next if (!@{$topic_list});
 428
 429                 print $fh "\n";
 430                 print $fh '-' x 50, "\n";
 431                 print $fh "[$section_name]\n";
 432                 for my $topic (@{$topic_list}) {
 433                         my $d = $cooking->{'topic_description'}{$topic};
 434
 435                         print $fh "\n", $d->{'desc'}, "\n";
 436                         if ($d->{'text'}) {
 437                                 print $fh "\n", $d->{'text'}, "\n";
 438                         }
 439                 }
 440         }
 441         close($fh);
 442 }
 443
 444 my $graduated = 'Graduated to "master"';
 445 my $new_topics = 'New Topics';
 446 my $discarded = 'Discarded';
 447 my $old_new_topics = 'Old New Topics';
 448
 449 sub update_issue {
 450         my ($cooking) = @_;
 451         my ($fh, $master_at, $next_at, $incremental);
 452
 453         open($fh, '-|',
 454              qw(git for-each-ref),
 455              "--format=%(refname:short) %(objectname)",
 456              "refs/heads/master",
 457              "refs/heads/next") or die "$!: open for-each-ref";
 458         while (<$fh>) {
 459                 my ($branch, $at) = /^(\S+) (\S+)$/;
 460                 if ($branch eq 'master') { $master_at = $at; }
 461                 if ($branch eq 'next') { $next_at = $at; }
 462         }
 463         close($fh) or die "$!: close for-each-ref";
 464
 465         $incremental = ((-r "Meta/whats-cooking.txt") &&
 466                         system("cd Meta && " .
 467                                "git diff --quiet --no-ext-diff HEAD -- " .
 468                                "whats-cooking.txt"));
 469
 470         my $now_string = localtime;
 471         my ($current_dow, $current_mon, $current_date, $current_year) =
 472             ($now_string =~ /^(\w+) (\w+) +(\d+) [\d:]+ (\d+)$/);
 473
 474         my $btext = $cooking->{'topic_description'}{$blurb}{'text'};
 475         if ($btext !~ s/\A$blurb_match//) {
 476                 die "match pattern broken?";
 477         }
 478         my ($mon, $year, $issue, $dow, $date) = ($1, $2, $3, $4, $5);
 479
 480         if ($current_mon ne $mon || $current_year ne $year) {
 481                 $issue = "01";
 482         } elsif (!$incremental) {
 483                 $issue =~ s/^0*//;
 484                 $issue = sprintf "%02d", ($issue + 1);
 485         }
 486         $mon = $current_mon;
 487         $year = $current_year;
 488         $dow = $current_dow;
 489         $date = $current_date;
 490
 491         $cooking->{'topic_description'}{$blurb}{'text'} =
 492             blurb_text($mon, $year, $issue, $dow, $date,
 493                        $master_at, $next_at, $btext);
 494
 495         if (!$incremental) {
 496                 my $sd = $cooking->{'section_data'};
 497                 my $sl = $cooking->{'section_list'};
 498                 # Rename "New" to "Old New" and insert "New".
 499                 # Move "New" to "Old New"
 500                 my $i;
 501                 my $doneso;
 502                 for ($i = 0; $i < @{$sl}; $i++) {
 503                         if ($sl->[$i] eq $new_topics) {
 504                                 $sl->[$i] = $old_new_topics;
 505                                 unshift @{$sl}, $new_topics;
 506                                 $doneso = 1;
 507                                 last;
 508                         }
 509                 }
 510                 if ($doneso) {
 511                         $sd->{$old_new_topics} = $sd->{$new_topics};
 512                 }
 513                 $sd->{$new_topics} = [];
 514         }
 515
 516         return $incremental;
 517 }
 518
 519 sub topic_in_pu {
 520         my ($topic_desc) = @_;
 521         for my $line (split(/\n/, $topic_desc)) {
 522                 if ($line =~ /^ [+-] /) {
 523                         return 1;
 524                 }
 525         }
 526         return 0;
 527 }
 528
 529 sub merge_cooking {
 530         my ($cooking, $current) = @_;
 531         my $td = $cooking->{'topic_description'};
 532         my $sd = $cooking->{'section_data'};
 533         my $sl = $cooking->{'section_list'};
 534         my (@new_topic, @gone_topic);
 535
 536         # Make sure "New Topics" and "Graduated" exists
 537         if (!exists $sd->{$new_topics}) {
 538                 $sd->{$new_topics} = [];
 539                 unshift @{$sl}, $new_topics;
 540         }
 541
 542         if (!exists $sd->{$graduated}) {
 543                 $sd->{$graduated} = [];
 544                 unshift @{$sl}, $graduated;
 545         }
 546
 547         my $incremental = update_issue($cooking);
 548
 549         for my $topic (sort keys %{$current}) {
 550                 if (!exists $td->{$topic}) {
 551                         # Ignore new topics without anything merged
 552                         if (topic_in_pu($current->{$topic}{'desc'})) {
 553                                 push @new_topic, $topic;
 554                         }
 555                         next;
 556                 }
 557                 # Annotate if the contents of the topic changed
 558                 my $n = $current->{$topic}{'desc'};
 559                 my $o = $td->{$topic}{'desc'};
 560                 if ($n ne $o) {
 561                         $td->{$topic}{'desc'} = $n . "\n<<\n" . $o ."\n>>";
 562                 }
 563         }
 564
 565         for my $topic (sort keys %{$td}) {
 566                 next if ($topic eq $blurb);
 567                 next if (!$incremental &&
 568                          grep { $topic eq $_ } @{$sd->{$graduated}});
 569                 next if (grep { $topic eq $_ } @{$sd->{$discarded}});
 570                 if (!exists $current->{$topic}) {
 571                         push @gone_topic, $topic;
 572                 }
 573         }
 574
 575         for (@new_topic) {
 576                 push @{$sd->{$new_topics}}, $_;
 577                 $td->{$_}{'desc'} = $current->{$_}{'desc'};
 578         }
 579
 580         if (!$incremental) {
 581                 $sd->{$graduated} = [];
 582         }
 583
 584         if (@gone_topic) {
 585                 for my $topic (@gone_topic) {
 586                         for my $section (@{$sl}) {
 587                                 my $pre = scalar(@{$sd->{$section}});
 588                                 @{$sd->{$section}} = (grep { $_ ne $topic }
 589                                                       @{$sd->{$section}});
 590                                 my $post = scalar(@{$sd->{$section}});
 591                                 next if ($pre == $post);
 592                         }
 593                 }
 594                 for (@gone_topic) {
 595                         push @{$sd->{$graduated}}, $_;
 596                 }
 597         }
 598 }
 599
 600 ################################################################
 601 # WilDo
 602 sub wildo_queue {
 603         my ($what, $action, $topic) = @_;
 604         if (!exists $what->{$action}) {
 605                 $what->{$action} = [];
 606         }
 607         push @{$what->{$action}}, $topic;
 608 }
 609
 610 sub section_action {
 611         my ($section) = @_;
 612         if ($section) {
 613                 for ($section) {
 614                         return if (/^Graduated to/ || /^Discarded$/);
 615                         return $_ if (/^Stalled$/);
 616                 }
 617         }
 618         return "Undecided";
 619 }
 620
 621 sub wildo_flush_topic {
 622         my ($in_section, $what, $topic) = @_;
 623         if (defined $topic) {
 624                 my $action = section_action($in_section);
 625                 if ($action) {
 626                         wildo_queue($what, $action, $topic);
 627                 }
 628         }
 629 }
 630
 631 sub wildo {
 632         my (%what, $topic, $last_merge_to_next, $in_section);
 633         my $too_recent = '9999-99-99';
 634         while (<>) {
 635                 chomp;
 636
 637                 if (/^\[(.*)\]$/) {
 638                         my $old_section = $in_section;
 639                         $in_section = $1;
 640                         wildo_flush_topic($old_section, \%what, $topic);
 641                         $topic = undef;
 642                         next;
 643                 }
 644
 645                 if (/^\* (\S+) \(([-0-9]+)\) (\d+) commits?$/) {
 646                         wildo_flush_topic($in_section, \%what, $topic);
 647
 648                         # tip-date, next-date, topic, count, pu-count
 649                         $topic = [$2, $too_recent, $1, $3, 0];
 650                         next;
 651                 }
 652
 653                 if (defined $topic &&
 654                     ($topic->[1] eq $too_recent) &&
 655                     ($topic->[4] == 0) &&
 656                     (/^  \(merged to 'next' on ([-0-9]+)/)) {
 657                         $topic->[1] = $1;
 658                 }
 659                 if (defined $topic && /^ - /) {
 660                         $topic->[4]++;
 661                 }
 662                 next if (/^ /);
 663                 next unless defined $topic;
 664
 665                 if (/^Will (?:\S+ ){0,2}(keep|merge|drop|discard|cook|kick|defer)[,. ]/ ||
 666                     /^Not urgent/ || /^Not ready/ || /^Waiting for / ||
 667                     /^Needs? / || /Expecting /) {
 668                         wildo_queue(\%what, $_, $topic);
 669                         $topic = undef;
 670                 }
 671                 if (/^Not urgent;/) {
 672                         wildo_queue(\%what, $_, $topic);
 673                         $topic = undef;
 674                 }
 675                 if (/Originally merged to 'next' on ([-0-9]+)/) {
 676                         $topic->[1] = $1;
 677                 }
 678         }
 679         wildo_flush_topic($in_section, \%what, $topic);
 680
 681         my $ipbl = "";
 682         for my $what (sort keys %what) {
 683                 print "$ipbl$what\n";
 684                 for $topic (sort { (($a->[1] cmp $b->[1]) ||
 685                                     ($a->[0] cmp $b->[0])) }
 686                             @{$what{$what}}) {
 687                         my ($tip, $next, $name, $count, $pu) = @$topic;
 688                         my ($sign);
 689                         $tip =~ s/^\d{4}-//;
 690                         if (($next eq $too_recent) || (0 < $pu)) {
 691                                 $sign = "-";
 692                                 $next = " " x 6;
 693                         } else {
 694                                 $sign = "+";
 695                                 $next =~ s|^\d{4}-|/|;
 696                         }
 697                         $count = "#$count";
 698                         printf " %s %-60s %s%s %5s\n", $sign, $name, $tip, $next, $count;
 699                 }
 700                 $ipbl = "\n";
 701         }
 702 }
 703
 704 ################################################################
 705 # WhatsCooking
 706
 707 sub doit {
 708         my $topic = get_commit();
 709         my $cooking = read_previous('Meta/whats-cooking.txt');
 710         merge_cooking($cooking, $topic);
 711         write_cooking('Meta/whats-cooking.txt', $cooking);
 712 }
 713
 714 ################################################################
 715 # Main
 716
 717 use Getopt::Long;
 718
 719 my $wildo;
 720 if (!GetOptions("wildo" => \$wildo)) {
 721         print STDERR "$0 [--wildo]";
 722         exit 1;
 723 }
 724
 725 if ($wildo) {
 726         if (!@ARGV) {
 727                 push @ARGV, "Meta/whats-cooking.txt";
 728         }
 729         wildo();
 730 } else {
 731         doit();
 732 }