scripts/package-metadata.pl

   1 #!/usr/bin/env perl
   2 use FindBin;
   3 use lib "$FindBin::Bin";
   4 use strict;
   5 use metadata;
   6 use Getopt::Long;
   7
   8 my %board;
   9
  10 sub version_to_num($) {
  11         my $str = shift;
  12         my $num = 0;
  13
  14         if (defined($str) && $str =~ /^\d+(?:\.\d+)+$/)
  15         {
  16                 my @n = (split(/\./, $str), 0, 0, 0, 0);
  17                 $num = ($n[0] << 24) | ($n[1] << 16) | ($n[2] << 8) | $n[3];
  18         }
  19
  20         return $num;
  21 }
  22
  23 sub version_filter_list(@) {
  24         my $cmpver = version_to_num(shift @_);
  25         my @items;
  26
  27         foreach my $item (@_)
  28         {
  29                 if ($item =~ s/@(lt|le|gt|ge|eq|ne)(\d+(?:\.\d+)+)\b//)
  30                 {
  31                         my $op = $1;
  32                         my $symver = version_to_num($2);
  33
  34                         if ($symver > 0 && $cmpver > 0)
  35                         {
  36                                 next unless (($op eq 'lt' && $cmpver <  $symver) ||
  37                                              ($op eq 'le' && $cmpver <= $symver) ||
  38                                              ($op eq 'gt' && $cmpver >  $symver) ||
  39                                              ($op eq 'ge' && $cmpver >= $symver) ||
  40                                              ($op eq 'eq' && $cmpver == $symver) ||
  41                                              ($op eq 'ne' && $cmpver != $symver));
  42                         }
  43                 }
  44
  45                 push @items, $item;
  46         }
  47
  48         return @items;
  49 }
  50
  51 sub gen_kconfig_overrides() {
  52         my %config;
  53         my %kconfig;
  54         my $package;
  55         my $pkginfo = shift @ARGV;
  56         my $cfgfile = shift @ARGV;
  57         my $patchver = shift @ARGV;
  58
  59         # parameter 2: build system config
  60         open FILE, "<$cfgfile" or return;
  61         while (<FILE>) {
  62                 /^(CONFIG_.+?)=(.+)$/ and $config{$1} = 1;
  63         }
  64         close FILE;
  65
  66         # parameter 1: package metadata
  67         open FILE, "<$pkginfo" or return;
  68         while (<FILE>) {
  69                 /^Package:\s*(.+?)\s*$/ and $package = $1;
  70                 /^Kernel-Config:\s*(.+?)\s*$/ and do {
  71                         my @config = split /\s+/, $1;
  72                         foreach my $config (version_filter_list($patchver, @config)) {
  73                                 my $val = 'm';
  74                                 my $override;
  75                                 if ($config =~ /^(.+?)=(.+)$/) {
  76                                         $config = $1;
  77                                         $override = 1;
  78                                         $val = $2;
  79                                 }
  80                                 if ($config{"CONFIG_PACKAGE_$package"} and ($config ne 'n')) {
  81                                         next if $kconfig{$config} eq 'y';
  82                                         $kconfig{$config} = $val;
  83                                 } elsif (!$override) {
  84                                         $kconfig{$config} or $kconfig{$config} = 'n';
  85                                 }
  86                         }
  87                 };
  88         };
  89         close FILE;
  90
  91         foreach my $kconfig (sort keys %kconfig) {
  92                 if ($kconfig{$kconfig} eq 'n') {
  93                         print "# $kconfig is not set\n";
  94                 } else {
  95                         print "$kconfig=$kconfig{$kconfig}\n";
  96                 }
  97         }
  98 }
  99
 100 my %dep_check;
 101 sub __find_package_dep($$) {
 102         my $pkg = shift;
 103         my $name = shift;
 104         my $deps = ($pkg->{vdepends} or $pkg->{depends});
 105
 106         return 0 unless defined $deps;
 107         foreach my $dep (@{$deps}) {
 108                 next if $dep_check{$dep};
 109                 $dep_check{$dep} = 1;
 110                 return 1 if $dep eq $name;
 111                 return 1 if ($package{$dep} and (__find_package_dep($package{$dep},$name) == 1));
 112         }
 113         return 0;
 114 }
 115
 116 # wrapper to avoid infinite recursion
 117 sub find_package_dep($$) {
 118         my $pkg = shift;
 119         my $name = shift;
 120
 121         %dep_check = ();
 122         return __find_package_dep($pkg, $name);
 123 }
 124
 125 sub package_depends($$) {
 126         my $a = shift;
 127         my $b = shift;
 128         my $ret;
 129
 130         return 0 if ($a->{submenu} ne $b->{submenu});
 131         if (find_package_dep($a, $b->{name}) == 1) {
 132                 $ret = 1;
 133         } elsif (find_package_dep($b, $a->{name}) == 1) {
 134                 $ret = -1;
 135         } else {
 136                 return 0;
 137         }
 138         return $ret;
 139 }
 140
 141 sub mconf_depends {
 142         my $pkgname = shift;
 143         my $depends = shift;
 144         my $only_dep = shift;
 145         my $res;
 146         my $dep = shift;
 147         my $seen = shift;
 148         my $parent_condition = shift;
 149         $dep or $dep = {};
 150         $seen or $seen = {};
 151         my @t_depends;
 152
 153         $depends or return;
 154         my @depends = @$depends;
 155         foreach my $depend (@depends) {
 156                 my $m = "depends on";
 157                 my $flags = "";
 158                 $depend =~ s/^([@\+]+)// and $flags = $1;
 159                 my $vdep;
 160                 my $condition = $parent_condition;
 161
 162                 next if $condition eq $depend;
 163                 next if $seen->{"$parent_condition:$depend"};
 164                 next if $seen->{":$depend"};
 165                 $seen->{"$parent_condition:$depend"} = 1;
 166                 if ($depend =~ /^(.+):(.+)$/) {
 167                         if ($1 ne "PACKAGE_$pkgname") {
 168                                 if ($condition) {
 169                                         $condition = "$condition && $1";
 170                                 } else {
 171                                         $condition = $1;
 172                                 }
 173                         }
 174                         $depend = $2;
 175                 }
 176                 next if $package{$depend} and $package{$depend}->{buildonly};
 177                 if ($flags =~ /\+/) {
 178                         if ($vdep = $package{$depend}->{vdepends}) {
 179                                 my @vdeps = @$vdep;
 180                                 $depend = shift @vdeps;
 181                                 if (@vdeps > 1) {
 182                                         $condition = '!('.join("||", map { "PACKAGE_".$_ } @vdeps).')';
 183                                 } elsif (@vdeps > 0) {
 184                                         $condition = '!PACKAGE_'.$vdeps[0];
 185                                 }
 186                         }
 187
 188                         # Menuconfig will not treat 'select FOO' as a real dependency
 189                         # thus if FOO depends on other config options, these dependencies
 190                         # will not be checked. To fix this, we simply emit all of FOO's
 191                         # depends here as well.
 192                         $package{$depend} and push @t_depends, [ $package{$depend}->{depends}, $condition ];
 193
 194                         $m = "select";
 195                         next if $only_dep;
 196
 197                         $flags =~ /@/ or $depend = "PACKAGE_$depend";
 198                 } else {
 199                         if ($vdep = $package{$depend}->{vdepends}) {
 200                                 $depend = join("||", map { "PACKAGE_".$_ } @$vdep);
 201                         } else {
 202                                 $flags =~ /@/ or $depend = "PACKAGE_$depend";
 203                         }
 204                 }
 205                 if ($condition) {
 206                         if ($m =~ /select/) {
 207                                 next if $depend eq $condition;
 208                                 $depend = "$depend if $condition";
 209                         } else {
 210                                 $depend = "!($condition) || $depend" unless $dep->{$condition} eq 'select';
 211                         }
 212                 }
 213                 $dep->{$depend} =~ /select/ or $dep->{$depend} = $m;
 214         }
 215
 216         foreach my $tdep (@t_depends) {
 217                 mconf_depends($pkgname, $tdep->[0], 1, $dep, $seen, $tdep->[1]);
 218         }
 219
 220         foreach my $depend (keys %$dep) {
 221                 my $m = $dep->{$depend};
 222                 $res .= "\t\t$m $depend\n";
 223         }
 224         return $res;
 225 }
 226
 227 sub mconf_conflicts {
 228         my $pkgname = shift;
 229         my $depends = shift;
 230         my $res = "";
 231
 232         foreach my $depend (@$depends) {
 233                 next unless $package{$depend};
 234                 $res .= "\t\tdepends on m || (PACKAGE_$depend != y)\n";
 235         }
 236         return $res;
 237 }
 238
 239 sub print_package_config_category($) {
 240         my $cat = shift;
 241         my %menus;
 242         my %menu_dep;
 243
 244         return unless $category{$cat};
 245
 246         print "menu \"$cat\"\n\n";
 247         my %spkg = %{$category{$cat}};
 248
 249         foreach my $spkg (sort {uc($a) cmp uc($b)} keys %spkg) {
 250                 foreach my $pkg (@{$spkg{$spkg}}) {
 251                         next if $pkg->{buildonly};
 252                         my $menu = $pkg->{submenu};
 253                         if ($menu) {
 254                                 $menu_dep{$menu} or $menu_dep{$menu} = $pkg->{submenudep};
 255                         } else {
 256                                 $menu = 'undef';
 257                         }
 258                         $menus{$menu} or $menus{$menu} = [];
 259                         push @{$menus{$menu}}, $pkg;
 260                 }
 261         }
 262         my @menus = sort {
 263                 ($a eq 'undef' ?  1 : 0) or
 264                 ($b eq 'undef' ? -1 : 0) or
 265                 ($a cmp $b)
 266         } keys %menus;
 267
 268         foreach my $menu (@menus) {
 269                 my @pkgs = sort {
 270                         package_depends($a, $b) or
 271                         ($a->{name} cmp $b->{name})
 272                 } @{$menus{$menu}};
 273                 if ($menu ne 'undef') {
 274                         $menu_dep{$menu} and print "if $menu_dep{$menu}\n";
 275                         print "menu \"$menu\"\n";
 276                 }
 277                 foreach my $pkg (@pkgs) {
 278                         next if $pkg->{ignore};
 279                         my $title = $pkg->{name};
 280                         my $c = (72 - length($pkg->{name}) - length($pkg->{title}));
 281                         if ($c > 0) {
 282                                 $title .= ("." x $c). " ". $pkg->{title};
 283                         }
 284                         $title = "\"$title\"";
 285                         print "\t";
 286                         $pkg->{menu} and print "menu";
 287                         print "config PACKAGE_".$pkg->{name}."\n";
 288                         $pkg->{hidden} and $title = "";
 289                         print "\t\t".($pkg->{tristate} ? 'tristate' : 'bool')." $title\n";
 290                         print "\t\tdefault y if DEFAULT_".$pkg->{name}."\n";
 291                         unless ($pkg->{hidden}) {
 292                                 my @def = ("ALL");
 293                                 if (!exists($pkg->{repository})) {
 294                                         push @def, "ALL_NONSHARED";
 295                                 }
 296                                 if ($pkg->{name} =~ /^kmod-/) {
 297                                         push @def, "ALL_KMODS";
 298                                 }
 299                                 $pkg->{default} ||= "m if " . join("||", @def);
 300                         }
 301                         if ($pkg->{default}) {
 302                                 foreach my $default (split /\s*,\s*/, $pkg->{default}) {
 303                                         print "\t\tdefault $default\n";
 304                                 }
 305                         }
 306                         print mconf_depends($pkg->{name}, $pkg->{depends}, 0);
 307                         print mconf_depends($pkg->{name}, $pkg->{mdepends}, 0);
 308                         print mconf_conflicts($pkg->{name}, $pkg->{conflicts});
 309                         print "\t\thelp\n";
 310                         print $pkg->{description};
 311                         print "\n";
 312
 313                         $pkg->{config} and print $pkg->{config}."\n";
 314                 }
 315                 if ($menu ne 'undef') {
 316                         print "endmenu\n";
 317                         $menu_dep{$menu} and print "endif\n";
 318                 }
 319         }
 320         print "endmenu\n\n";
 321
 322         undef $category{$cat};
 323 }
 324
 325 sub print_package_features() {
 326         keys %features > 0 or return;
 327         print "menu \"Package features\"\n";
 328         foreach my $n (keys %features) {
 329                 my @features = sort { $b->{priority} <=> $a->{priority} or $a->{title} cmp $b->{title} } @{$features{$n}};
 330                 print <<EOF;
 331 choice
 332         prompt "$features[0]->{target_title}"
 333         default FEATURE_$features[0]->{name}
 334 EOF
 335
 336                 foreach my $feature (@features) {
 337                         print <<EOF;
 338         config FEATURE_$feature->{name}
 339                 bool "$feature->{title}"
 340 EOF
 341                         $feature->{description} =~ /\w/ and do {
 342                                 print "\t\thelp\n".$feature->{description}."\n";
 343                         };
 344                 }
 345                 print "endchoice\n"
 346         }
 347         print "endmenu\n\n";
 348 }
 349
 350 sub print_package_overrides() {
 351         keys %overrides > 0 or return;
 352         print "\tconfig OVERRIDE_PKGS\n";
 353         print "\t\tstring\n";
 354         print "\t\tdefault \"".join(" ", sort keys %overrides)."\"\n\n";
 355 }
 356
 357 sub gen_package_config() {
 358         parse_package_metadata($ARGV[0]) or exit 1;
 359         print "menuconfig IMAGEOPT\n\tbool \"Image configuration\"\n\tdefault n\n";
 360         foreach my $preconfig (keys %preconfig) {
 361                 foreach my $cfg (keys %{$preconfig{$preconfig}}) {
 362                         my $conf = $preconfig{$preconfig}->{$cfg}->{id};
 363                         $conf =~ tr/\.-/__/;
 364                         print <<EOF
 365         config UCI_PRECONFIG_$conf
 366                 string "$preconfig{$preconfig}->{$cfg}->{label}" if IMAGEOPT
 367                 depends on PACKAGE_$preconfig
 368                 default "$preconfig{$preconfig}->{$cfg}->{default}"
 369
 370 EOF
 371                 }
 372         }
 373         print "source \"package/*/image-config.in\"\n";
 374         if (scalar glob "package/feeds/*/*/image-config.in") {
 375             print "source \"package/feeds/*/*/image-config.in\"\n";
 376         }
 377         print_package_features();
 378         print_package_config_category 'Base system';
 379         foreach my $cat (sort {uc($a) cmp uc($b)} keys %category) {
 380                 print_package_config_category $cat;
 381         }
 382         print_package_overrides();
 383 }
 384
 385 sub get_conditional_dep($$) {
 386         my $condition = shift;
 387         my $depstr = shift;
 388         if ($condition) {
 389                 if ($condition =~ /^!(.+)/) {
 390                         return "\$(if \$(CONFIG_$1),,$depstr)";
 391                 } else {
 392                         return "\$(if \$(CONFIG_$condition),$depstr)";
 393                 }
 394         } else {
 395                 return $depstr;
 396         }
 397 }
 398
 399 sub gen_package_mk() {
 400         my %conf;
 401         my %dep;
 402         my %done;
 403         my $line;
 404
 405         parse_package_metadata($ARGV[0]) or exit 1;
 406         foreach my $name (sort {uc($a) cmp uc($b)} keys %package) {
 407                 my $config;
 408                 my $pkg = $package{$name};
 409                 my @srcdeps;
 410
 411                 next if defined $pkg->{vdepends};
 412
 413                 $config = "\$(CONFIG_PACKAGE_$name)";
 414                 if ($config) {
 415                         $pkg->{buildonly} and $config = "";
 416                         print "package-$config += $pkg->{subdir}$pkg->{src}\n";
 417                         if ($pkg->{variant}) {
 418                                 if (!defined($done{$pkg->{src}}) or $pkg->{variant_default}) {
 419                                         print "\$(curdir)/$pkg->{subdir}$pkg->{src}/default-variant := $pkg->{variant}\n";
 420                                 }
 421                                 print "\$(curdir)/$pkg->{subdir}$pkg->{src}/variants += \$(if $config,$pkg->{variant})\n"
 422                         }
 423                         $pkg->{prereq} and print "prereq-$config += $pkg->{subdir}$pkg->{src}\n";
 424                 }
 425
 426                 next if $done{$pkg->{src}};
 427                 $done{$pkg->{src}} = 1;
 428
 429                 if (@{$pkg->{buildtypes}} > 0) {
 430                         print "buildtypes-$pkg->{subdir}$pkg->{src} = ".join(' ', @{$pkg->{buildtypes}})."\n";
 431                 }
 432
 433                 foreach my $spkg (@{$srcpackage{$pkg->{src}}}) {
 434                         foreach my $dep (@{$spkg->{depends}}, @{$spkg->{builddepends}}) {
 435                                 $dep =~ /@/ or do {
 436                                         $dep =~ s/\+//g;
 437                                         push @srcdeps, $dep;
 438                                 };
 439                         }
 440                 }
 441                 foreach my $type (@{$pkg->{buildtypes}}) {
 442                         my @extra_deps;
 443                         my %deplines;
 444
 445                         next unless $pkg->{"builddepends/$type"};
 446                         foreach my $dep (@{$pkg->{"builddepends/$type"}}) {
 447                                 my $suffix = "";
 448                                 my $condition;
 449
 450                                 if ($dep =~ /^(.+):(.+)/) {
 451                                         $condition = $1;
 452                                         $dep = $2;
 453                                 }
 454                                 if ($dep =~ /^(.+)(\/.+)/) {
 455                                         $dep = $1;
 456                                         $suffix = $2;
 457                                 }
 458
 459                                 my $idx = "";
 460                                 my $pkg_dep = $package{$dep};
 461                                 if (defined($pkg_dep) && defined($pkg_dep->{src})) {
 462                                         $idx = $pkg_dep->{subdir}.$pkg_dep->{src};
 463                                 } elsif (defined($srcpackage{$dep})) {
 464                                         $idx = $subdir{$dep}.$dep;
 465                                 } else {
 466                                         next;
 467                                 }
 468                                 my $depstr = "\$(curdir)/$idx$suffix/compile";
 469                                 my $depline = get_conditional_dep($condition, $depstr);
 470                                 if ($depline) {
 471                                         $deplines{$depline}++;
 472                                 }
 473                         }
 474                         my $depline = join(" ", sort keys %deplines);
 475                         if ($depline) {
 476                                 $line .= "\$(curdir)/".$pkg->{subdir}."$pkg->{src}/$type/compile += $depline\n";
 477                         }
 478                 }
 479
 480                 my $hasdeps = 0;
 481                 my %deplines;
 482                 foreach my $deps (@srcdeps) {
 483                         my $idx;
 484                         my $condition;
 485                         my $prefix = "";
 486                         my $suffix = "";
 487
 488                         if ($deps =~ /^(.+):(.+)/) {
 489                                 $condition = $1;
 490                                 $deps = $2;
 491                         }
 492                         if ($deps =~ /^(.+)(\/.+)/) {
 493                                 $deps = $1;
 494                                 $suffix = $2;
 495                         }
 496
 497                         my $pkg_dep = $package{$deps};
 498                         my @deps;
 499
 500                         if ($pkg_dep->{vdepends}) {
 501                                 @deps = @{$pkg_dep->{vdepends}};
 502                         } else {
 503                                 @deps = ($deps);
 504                         }
 505
 506                         foreach my $dep (@deps) {
 507                                 $pkg_dep = $package{$deps};
 508                                 if (defined $pkg_dep->{src}) {
 509                                         ($pkg->{src} ne $pkg_dep->{src}.$suffix) and $idx = $pkg_dep->{subdir}.$pkg_dep->{src};
 510                                 } elsif (defined($srcpackage{$dep})) {
 511                                         $idx = $subdir{$dep}.$dep;
 512                                 }
 513                                 undef $idx if $idx eq 'base-files';
 514                                 if ($idx) {
 515                                         $idx .= $suffix;
 516
 517                                         my $depline;
 518                                         next if $pkg->{src} eq $pkg_dep->{src}.$suffix;
 519                                         next if $dep{$condition.":".$pkg->{src}."->".$idx};
 520                                         next if $dep{$pkg->{src}."->($dep)".$idx} and $pkg_dep->{vdepends};
 521                                         my $depstr;
 522
 523                                         if ($pkg_dep->{vdepends}) {
 524                                                 $depstr = "\$(if \$(CONFIG_PACKAGE_$dep),\$(curdir)/$idx/compile)";
 525                                                 $dep{$pkg->{src}."->($dep)".$idx} = 1;
 526                                         } else {
 527                                                 $depstr = "\$(curdir)/$idx/compile";
 528                                                 $dep{$pkg->{src}."->".$idx} = 1;
 529                                         }
 530                                         $depline = get_conditional_dep($condition, $depstr);
 531                                         if ($depline) {
 532                                                 $deplines{$depline}++;
 533                                         }
 534                                 }
 535                         }
 536                 }
 537                 my $depline = join(" ", sort keys %deplines);
 538                 if ($depline) {
 539                         $line .= "\$(curdir)/".$pkg->{subdir}."$pkg->{src}/compile += $depline\n";
 540                 }
 541         }
 542
 543         if ($line ne "") {
 544                 print "\n$line";
 545         }
 546         foreach my $preconfig (keys %preconfig) {
 547                 my $cmds;
 548                 foreach my $cfg (keys %{$preconfig{$preconfig}}) {
 549                         my $conf = $preconfig{$preconfig}->{$cfg}->{id};
 550                         $conf =~ tr/\.-/__/;
 551                         $cmds .= "\techo \"uci set '$preconfig{$preconfig}->{$cfg}->{id}=\$(subst \",,\$(CONFIG_UCI_PRECONFIG_$conf))'\"; \\\n";
 552                 }
 553                 next unless $cmds;
 554                 print <<EOF
 555
 556 ifndef DUMP_TARGET_DB
 557 \$(TARGET_DIR)/etc/uci-defaults/$preconfig: FORCE
 558         ( \\
 559 $cmds \\
 560         ) > \$@
 561
 562 ifneq (\$(IMAGEOPT)\$(CONFIG_IMAGEOPT),)
 563   package/preconfig: \$(TARGET_DIR)/etc/uci-defaults/$preconfig
 564 endif
 565 endif
 566
 567 EOF
 568         }
 569 }
 570
 571 sub gen_package_source() {
 572         parse_package_metadata($ARGV[0]) or exit 1;
 573         foreach my $name (sort {uc($a) cmp uc($b)} keys %package) {
 574                 my $pkg = $package{$name};
 575                 if ($pkg->{name} && $pkg->{source}) {
 576                         print "$pkg->{name}: ";
 577                         print "$pkg->{source}\n";
 578                 }
 579         }
 580 }
 581
 582 sub gen_package_subdirs() {
 583         parse_package_metadata($ARGV[0]) or exit 1;
 584         foreach my $name (sort {uc($a) cmp uc($b)} keys %package) {
 585                 my $pkg = $package{$name};
 586                 if ($pkg->{name} && $pkg->{repository}) {
 587                         print "Package/$name/subdir = $pkg->{repository}\n";
 588                 }
 589         }
 590 }
 591
 592 sub gen_package_license($) {
 593         my $level = shift;
 594         parse_package_metadata($ARGV[0]) or exit 1;
 595         foreach my $name (sort {uc($a) cmp uc($b)} keys %package) {
 596                 my $pkg = $package{$name};
 597                 if ($pkg->{name}) {
 598                         if ($pkg->{license}) {
 599                                 print "$pkg->{name}: ";
 600                                 print "$pkg->{license}\n";
 601                                 if ($pkg->{licensefiles} && $level == 0) {
 602                                         print "\tFiles: $pkg->{licensefiles}\n";
 603                                 }
 604                         } else {
 605                                 if ($level == 1) {
 606                                         print "$pkg->{name}: Missing license! ";
 607                                         print "Please fix $pkg->{makefile}\n";
 608                                 }
 609                         }
 610                 }
 611         }
 612 }
 613
 614 sub gen_version_filtered_list() {
 615         foreach my $item (version_filter_list(@ARGV)) {
 616                 print "$item\n";
 617         }
 618 }
 619
 620 sub parse_command() {
 621         GetOptions("ignore=s", \@ignore);
 622         my $cmd = shift @ARGV;
 623         for ($cmd) {
 624                 /^mk$/ and return gen_package_mk();
 625                 /^config$/ and return gen_package_config();
 626                 /^kconfig/ and return gen_kconfig_overrides();
 627                 /^source$/ and return gen_package_source();
 628                 /^subdirs$/ and return gen_package_subdirs();
 629                 /^license$/ and return gen_package_license(0);
 630                 /^licensefull$/ and return gen_package_license(1);
 631                 /^version_filter$/ and return gen_version_filtered_list();
 632         }
 633         die <<EOF
 634 Available Commands:
 635         $0 mk [file]                            Package metadata in makefile format
 636         $0 config [file]                        Package metadata in Kconfig format
 637         $0 kconfig [file] [config] [patchver]   Kernel config overrides
 638         $0 source [file]                        Package source file information
 639         $0 subdirs [file]                       Package subdir information in makefile format
 640         $0 license [file]                       Package license information
 641         $0 licensefull [file]                   Package license information (full list)
 642         $0 version_filter [patchver] [list...]  Filter list of version tagged strings
 643
 644 Options:
 645         --ignore <name>                         Ignore the source package <name>
 646 EOF
 647 }
 648
 649 parse_command();