scripts/feeds

   1 #!/usr/bin/perl
   2 use Getopt::Std;
   3 use FindBin;
   4 use Cwd;
   5 use lib "$FindBin::Bin";
   6 use metadata;
   7 use warnings;
   8 use strict;
   9 use Cwd 'abs_path';
  10
  11 chdir "$FindBin::Bin/..";
  12 $ENV{TOPDIR}=getcwd();
  13 $ENV{GIT_CONFIG_PARAMETERS}="'core.autocrlf=false'";
  14 $ENV{GREP_OPTIONS}="";
  15
  16 my $mk=`which gmake 2>/dev/null`;       # select the right 'make' program
  17 chomp($mk);             # trim trailing newline
  18 $mk or $mk = "make";    # default to 'make'
  19
  20 # check version of make
  21 my @mkver = split /\s+/, `$mk -v`, 4;
  22 my $valid_mk = 1;
  23 $mkver[0] =~ /^GNU/ or $valid_mk = 0;
  24 $mkver[1] =~ /^Make/ or $valid_mk = 0;
  25 $mkver[2] >= "3.81" or $valid_mk = 0;
  26 $valid_mk or die "Unsupported version of make found: $mk\n";
  27
  28 my @feeds;
  29 my %build_packages;
  30 my %installed;
  31 my %installed_targets;
  32 my %feed_cache;
  33
  34 my $feed_package = {};
  35 my $feed_src = {};
  36 my $feed_target = {};
  37
  38 sub parse_config() {
  39         my $line = 0;
  40         my %name;
  41
  42         open FEEDS, "feeds.conf" or
  43                 open FEEDS, "feeds.conf.default" or
  44                 die "Unable to open feeds configuration";
  45         while (<FEEDS>) {
  46                 chomp;
  47                 s/#.+$//;
  48                 next unless /\S/;
  49                 my @line = split /\s+/, $_, 3;
  50                 my @src;
  51                 $line++;
  52
  53                 my $valid = 1;
  54                 $line[0] =~ /^src-\w+$/ or $valid = 0;
  55                 $line[1] =~ /^\w+$/ or $valid = 0;
  56                 @src = split /\s+/, $line[2];
  57                 $valid or die "Syntax error in feeds.conf, line: $line\n";
  58
  59                 $name{$line[1]} and die "Duplicate feed name '$line[1]', line: $line\n";
  60                 $name{$line[1]} = 1;
  61
  62                 push @feeds, [$line[0], $line[1], \@src];
  63         }
  64         close FEEDS;
  65 }
  66
  67 sub update_location($$)
  68 {
  69         my $name = shift;
  70         my $url  = shift;
  71         my $old_url;
  72
  73         -d "./feeds/$name.tmp" or mkdir "./feeds/$name.tmp" or return 1;
  74
  75         if( open LOC, "< ./feeds/$name.tmp/location" )
  76         {
  77                 chomp($old_url = readline LOC);
  78                 close LOC;
  79         }
  80
  81         if( !$old_url || $old_url ne $url )
  82         {
  83                 if( open LOC, "> ./feeds/$name.tmp/location" )
  84                 {
  85                         print LOC $url, "\n";
  86                         close LOC;
  87                 }
  88                 return $old_url ? 1 : 0;
  89         }
  90
  91         return 0;
  92 }
  93
  94 sub update_index($)
  95 {
  96         my $name = shift;
  97
  98         -d "./feeds/$name.tmp" or mkdir "./feeds/$name.tmp" or return 1;
  99         -d "./feeds/$name.tmp/info" or mkdir "./feeds/$name.tmp/info" or return 1;
 100
 101         system("$mk -s prepare-mk OPENWRT_BUILD= TMP_DIR=\"$ENV{TOPDIR}/feeds/$name.tmp\"");
 102         system("$mk -s -f include/scan.mk IS_TTY=1 SCAN_TARGET=\"packageinfo\" SCAN_DIR=\"feeds/$name\" SCAN_NAME=\"package\" SCAN_DEPS=\"$ENV{TOPDIR}/include/package*.mk\" SCAN_DEPTH=5 SCAN_EXTRA=\"\" TMP_DIR=\"$ENV{TOPDIR}/feeds/$name.tmp\"");
 103         system("$mk -s -f include/scan.mk IS_TTY=1 SCAN_TARGET=\"targetinfo\" SCAN_DIR=\"feeds/$name\" SCAN_NAME=\"target\" SCAN_DEPS=\"profiles/*.mk $ENV{TOPDIR}/include/target.mk\" SCAN_DEPTH=5 SCAN_EXTRA=\"\" SCAN_MAKEOPTS=\"TARGET_BUILD=1\" TMP_DIR=\"$ENV{TOPDIR}/feeds/$name.tmp\"");
 104         system("ln -sf $name.tmp/.packageinfo ./feeds/$name.index");
 105         system("ln -sf $name.tmp/.targetinfo ./feeds/$name.targetindex");
 106
 107         return 0;
 108 }
 109
 110 my %update_method = (
 111         'src-svn' => {
 112                 'init'          => "svn checkout '%s' '%s'",
 113                 'update'        => "svn update",
 114                 'controldir'    => ".svn",
 115                 'revision'      => "svn info | grep 'Revision' | cut -d ' ' -f 2 | tr -d '\n'"},
 116         'src-cpy' => {
 117                 'init'          => "cp -Rf '%s' '%s'",
 118                 'update'        => "",
 119                 'revision'      => "echo -n 'local'"},
 120         'src-link' => {
 121                 'init'          => "ln -s '%s' '%s'",
 122                 'update'        => "",
 123                 'revision'      => "echo -n 'local'"},
 124         'src-git' => {
 125                 'init'          => "git clone --depth 1 '%s' '%s'",
 126                 'init_branch'   => "git clone --depth 1 --branch '%s' '%s' '%s'",
 127                 'init_commit'   => "git clone '%s' '%s' && cd '%s' && git checkout -b '%s' '%s' && cd -",
 128                 'update'        => "git pull --ff",
 129                 'controldir'    => ".git",
 130                 'revision'      => "git show --abbrev-commit HEAD | head -n 1 | cut -d ' ' -f 2 | tr -d '\n'"},
 131         'src-gitsvn' => {
 132                 'init'  => "git svn clone -r HEAD '%s' '%s'",
 133                 'update'        => "git svn rebase",
 134                 'controldir'    => ".git",
 135                 'revision'      => "git show --abbrev-commit HEAD | head -n 1 | cut -d ' ' -f 2 | tr -d '\n'"},
 136         'src-bzr' => {
 137                 'init'          => "bzr checkout --lightweight '%s' '%s'",
 138                 'update'        => "bzr update",
 139                 'controldir'    => ".bzr"},
 140         'src-hg' => {
 141                 'init'          => "hg clone '%s' '%s'",
 142                 'update'        => "hg pull --update",
 143                 'controldir'    => ".hg"},
 144         'src-darcs' => {
 145                 'init'    => "darcs get '%s' '%s'",
 146                 'update'  => "darcs pull -a",
 147                 'controldir' => "_darcs"},
 148 );
 149
 150 # src-git: pull broken
 151 # src-cpy: broken if `basename $src` != $name
 152
 153 sub update_feed_via($$$$) {
 154         my $type = shift;
 155         my $name = shift;
 156         my $src = shift;
 157         my $relocate = shift;
 158
 159         my $m = $update_method{$type};
 160         my $localpath = "./feeds/$name";
 161         my $safepath = $localpath;
 162         $safepath =~ s/'/'\\''/;
 163         my ($base_branch, $branch) = split(/;/, $src, 2);
 164         my ($base_commit, $commit) = split(/\^/, $src, 2);
 165
 166         if( $relocate || !$m->{'update'} || !-d "$localpath/$m->{'controldir'}" ) {
 167                 system("rm -rf '$safepath'");
 168                 if ($m->{'init_branch'} and $branch) {
 169                         system(sprintf($m->{'init_branch'}, $branch, $base_branch, $safepath)) == 0 or return 1;
 170                 } elsif ($m->{'init_commit'} and $commit) {
 171                         system(sprintf($m->{'init_commit'}, $base_commit, $safepath, $safepath, $commit, $commit)) == 0 or return 1;
 172                 } else {
 173                         system(sprintf($m->{'init'}, $src, $safepath)) == 0 or return 1;
 174                 }
 175         } elsif ($m->{'init_commit'} and $commit) {
 176                 # in case git hash has been provided don't update the feed
 177         } else {
 178                 system("cd '$safepath'; $m->{'update'}") == 0 or return 1;
 179         }
 180
 181         return 0;
 182 }
 183
 184 sub get_targets($) {
 185         my $file = shift;
 186         my @target = parse_target_metadata($file);
 187         my %target;
 188         foreach my $target (@target) {
 189                 $target{$target->{id}} = $target;
 190         }
 191         return %target
 192 }
 193
 194 sub get_feed($) {
 195         my $feed = shift;
 196
 197         if (!defined($feed_cache{$feed})) {
 198                 my $file = "./feeds/$feed.index";
 199
 200                 clear_packages();
 201                 -f $file or do {
 202                         print "Ignoring feed '$feed' - index missing\n";
 203                         return;
 204                 };
 205                 parse_package_metadata($file) or return;
 206                 my %target = get_targets("./feeds/$feed.targetindex");
 207
 208                 $feed_cache{$feed} = [ { %package }, { %srcpackage }, { %target } ];
 209         }
 210
 211         $feed_package = $feed_cache{$feed}->[0];
 212         $feed_src = $feed_cache{$feed}->[1];
 213         $feed_target = $feed_cache{$feed}->[2];
 214         return $feed_cache{$feed}->[0];
 215 }
 216
 217 sub get_installed() {
 218         system("$mk -s prepare-tmpinfo OPENWRT_BUILD=");
 219         clear_packages();
 220         parse_package_metadata("./tmp/.packageinfo");
 221         %installed = %package;
 222         %installed_targets = get_targets("./tmp/.targetinfo");
 223 }
 224
 225 sub search_feed {
 226         my $feed = shift;
 227         my @substr = @_;
 228         my $display;
 229
 230         return unless @substr > 0;
 231         get_feed($feed);
 232         foreach my $name (sort { lc($a) cmp lc($b) } keys %$feed_package) {
 233                 my $pkg = $feed_package->{$name};
 234                 my $substr;
 235                 my $pkgmatch = 1;
 236
 237                 next if $pkg->{vdepends};
 238                 foreach my $substr (@substr) {
 239                         my $match;
 240                         foreach my $key (qw(name title description src)) {
 241                                 $pkg->{$key} and $substr and $pkg->{$key} =~ m/$substr/i and $match = 1;
 242                         }
 243                         $match or undef $pkgmatch;
 244                 };
 245                 $pkgmatch and do {
 246                         $display or do {
 247                                 print "Search results in feed '$feed':\n";
 248                                 $display = 1;
 249                         };
 250                         printf "\%-25s\t\%s\n", $pkg->{name}, $pkg->{title};
 251                 };
 252         }
 253
 254         foreach my $name (sort { lc($a) cmp lc($b) } keys %$feed_target) {
 255                 my $target = $feed_target->{$name};
 256                 my $targetmatch = 1;
 257
 258                 foreach my $substr (@substr) {
 259                         my $match;
 260                         foreach my $key (qw(id name description)) {
 261                                 $target->{$key} and $substr and $target->{$key} =~ m/$substr/i and $match = 1;
 262                         }
 263                         $match or undef $targetmatch;
 264                 };
 265                 $targetmatch and do {
 266                         $display or do {
 267                                 print "Search results in feed '$feed':\n";
 268                                 $display = 1;
 269                         };
 270                         printf "TARGET: \%-17s\t\%s\n", $target->{id}, $target->{name};
 271                 };
 272         }
 273         return 0;
 274 }
 275
 276 sub search {
 277         my %opts;
 278
 279         getopt('r:', \%opts);
 280         foreach my $feed (@feeds) {
 281                 search_feed($feed->[1], @ARGV) if (!defined($opts{r}) or $opts{r} eq $feed->[1]);
 282         }
 283 }
 284
 285 sub list_feed {
 286         my $feed = shift;
 287
 288         get_feed($feed);
 289         foreach my $name (sort { lc($a) cmp lc($b) } keys %$feed_package) {
 290                 my $pkg = $feed_package->{$name};
 291                 next if $pkg->{vdepends};
 292                 if($pkg->{name}) {
 293                         printf "\%-32s\t\%s\n", $pkg->{name}, $pkg->{title};
 294                 }
 295         }
 296
 297         foreach my $name (sort { lc($a) cmp lc($b) } keys %$feed_target) {
 298                 my $target = $feed_target->{$name};
 299                 if($target->{name}) {
 300                         printf "TARGET: \%-24s\t\%s\n", $target->{id}, $target->{name};
 301                 }
 302         }
 303
 304         return 0;
 305 }
 306
 307 sub list {
 308         my %opts;
 309
 310         getopts('r:d:nsh', \%opts);
 311         if ($opts{h}) {
 312                 usage();
 313                 return 0;
 314         }
 315         if ($opts{n}) {
 316                 foreach my $feed (@feeds) {
 317                         printf "%s\n", $feed->[1];
 318                 }
 319                 return 0;
 320         }
 321         if ($opts{s}) {
 322                 foreach my $feed (@feeds) {
 323                         my $localpath = "./feeds/$feed->[1]";
 324                         my $m = $update_method{$feed->[0]};
 325                         my $revision;
 326                         if( !$m->{'revision'} ) {
 327                                 $revision = "X";
 328                         }
 329                         elsif( $m->{'controldir'} && -d "$localpath/$m->{'controldir'}" ) {
 330                                 $revision = `cd '$localpath'; $m->{'revision'}`;
 331                         }
 332                         else {
 333                                 $revision = "local";
 334                         }
 335                         if ($opts{d}) {
 336                                 printf "%s%s%s%s%s%s%s\n", $feed->[1], $opts{d}, $feed->[0], $opts{d}, $revision, $opts{d}, join(", ", @{$feed->[2]});
 337                         }
 338                         else {
 339                                 printf "\%-8s \%-8s \%-8s \%s\n", $feed->[1], $feed->[0], $revision, join(", ", @{$feed->[2]});
 340                         }
 341                 }
 342                 return 0;
 343         }
 344         foreach my $feed (@feeds) {
 345                 list_feed($feed->[1], @ARGV) if (!defined($opts{r}) or $opts{r} eq $feed->[1]);
 346         }
 347         return 0;
 348 }
 349
 350 sub install_generic() {
 351         my $feed = shift;
 352         my $pkg = shift;
 353         my $path = $pkg->{makefile};
 354
 355         if($path) {
 356                 $path =~ s/\/Makefile$//;
 357
 358                 -d "./package/feeds" or mkdir "./package/feeds";
 359                 -d "./package/feeds/$feed->[1]" or mkdir "./package/feeds/$feed->[1]";
 360                 system("ln -sf ../../../$path ./package/feeds/$feed->[1]/");
 361         } else {
 362                 warn "Package is not valid\n";
 363                 return 1;
 364         }
 365
 366         return 0;
 367 }
 368
 369 my %install_method = (
 370         'src-svn' => \&install_generic,
 371         'src-cpy' => \&install_generic,
 372         'src-link' => \&install_generic,
 373         'src-git' => \&install_generic,
 374         'src-gitsvn' => \&install_generic,
 375         'src-bzr' => \&install_generic,
 376         'src-hg' => \&install_generic,
 377         'src-darcs' => \&install_generic,
 378 );
 379
 380 my %feed;
 381
 382 sub lookup_package($$) {
 383         my $feed = shift;
 384         my $package = shift;
 385
 386         foreach my $feed ($feed, @feeds) {
 387                 next unless $feed->[1];
 388                 next unless $feed{$feed->[1]};
 389                 $feed{$feed->[1]}->{$package} and return $feed;
 390         }
 391         return;
 392 }
 393
 394 sub is_core_package($) {
 395         my $package = shift;
 396         foreach my $file ("tmp/info/.packageinfo-$package", glob("tmp/info/.packageinfo-*_$package")) {
 397                 next unless index($file, "tmp/info/.packageinfo-feeds_");
 398                 return 1 if -s $file;
 399         }
 400         return 0;
 401 }
 402
 403 sub install_package {
 404         my $feed = shift;
 405         my $name = shift;
 406         my $force = shift;
 407         my $ret = 0;
 408
 409         $feed = lookup_package($feed, $name);
 410         $feed or do {
 411                 $installed{$name} and return 0;
 412                 # TODO: check if it's already installed within ./package directory
 413                 $feed_src->{$name} or is_core_package($name) or warn "WARNING: No feed for package '$name' found, maybe it's already part of the standard packages?\n";
 414                 return 0;
 415         };
 416
 417         # switch to the metadata for the selected feed
 418         get_feed($feed->[1]);
 419
 420         my $pkg = $feed{$feed->[1]}->{$name} or return 1;
 421         $pkg->{name} or do {
 422                 $installed{$name} and return 0;
 423                 # TODO: check if this is an alias package, maybe it's known by another name
 424                 warn "WARNING: Package '$name' is not available in feed $feed->[1].\n";
 425                 return 0;
 426         };
 427         my $src = $pkg->{src};
 428         my $type = $feed->[0];
 429         $src or $src = $name;
 430
 431         # If it's a core package and we don't want to override, just return
 432         !$force and is_core_package($src) and return 0;
 433
 434         # previously installed packages set the runtime package
 435         # newly installed packages set the source package to 1
 436         $installed{$src} and $installed{$src} == 1 and return 0;
 437
 438         # we'll trigger the override only with the 3 conditions below:
 439         # - override is allowed by command line (-f)
 440         # - a package with the same src exists in the core packages list
 441         # - the package previously installed is not from a feed
 442         my $override = 1 if ($force and is_core_package($src) and !$installed{$name}->{feed});
 443
 444         # check previously installed packages
 445         $installed{$name} and !$override and return 0;
 446         $installed{$src} = 1;
 447
 448         defined($override) and $override == 1
 449                 and warn "Overriding package '$src'\n"
 450                 or warn "Installing package '$src'\n";
 451
 452         $install_method{$type} or do {
 453                 warn "Unknown installation method: '$type'\n";
 454                 return 1;
 455         };
 456
 457         &{$install_method{$type}}($feed, $pkg) == 0 or do {
 458                 warn "failed.\n";
 459                 return 1;
 460         };
 461
 462         # install all dependencies referenced from the source package
 463         foreach my $vpkg (@{$feed_src->{$src}}) {
 464                 foreach my $dep (@{$vpkg->{depends}}, @{$vpkg->{builddepends}}, @{$vpkg->{"builddepends/host"}}) {
 465                         next if $dep =~ /@/;
 466                         $dep =~ s/^\+//;
 467                         $dep =~ s/^.+://;
 468                         $dep =~ s/\/.+$//;
 469                         next unless $dep;
 470                         install_package($feed, $dep, 0) == 0 or $ret = 1;
 471                 }
 472         }
 473
 474         return $ret;
 475 }
 476
 477 sub refresh_config {
 478         my $default = shift;
 479
 480         # workaround for timestamp check
 481         system("rm -f tmp/.packageinfo");
 482
 483         # refresh the config
 484         if ($default) {
 485                 system("$mk oldconfig CONFDEFAULT=\"$default\" Config.in >/dev/null 2>/dev/null");
 486         } else {
 487                 system("$mk defconfig Config.in >/dev/null 2>/dev/null");
 488         }
 489 }
 490
 491 sub install {
 492         my $name;
 493         my %opts;
 494         my $feed;
 495         my $ret = 0;
 496
 497         getopts('ap:d:fh', \%opts);
 498
 499         if ($opts{h}) {
 500                 usage();
 501                 return 0;
 502         }
 503
 504         get_installed();
 505
 506         foreach my $f (@feeds) {
 507                 # index all feeds
 508                 $feed{$f->[1]} = get_feed($f->[1]);
 509
 510                 # look up the preferred feed
 511                 $opts{p} and $f->[1] eq $opts{p} and $feed = $f;
 512         }
 513
 514         if($opts{a}) {
 515                 foreach my $f (@feeds) {
 516                         if (!defined($opts{p}) or $opts{p} eq $f->[1]) {
 517                                 printf "Installing all packages from feed %s.\n", $f->[1];
 518                                 get_feed($f->[1]);
 519                                 foreach my $name (sort { lc($a) cmp lc($b) } keys %$feed_package) {
 520                                         my $p = $feed_package->{$name};
 521                                         next if $p->{vdepends};
 522                                         if( $p->{name} ) {
 523                                                 install_package($feed, $p->{name}, exists($opts{f})) == 0 or $ret = 1;
 524                                                 get_feed($f->[1]);
 525                                         }
 526                                 }
 527                         }
 528                 }
 529         } else {
 530                 while ($name = shift @ARGV) {
 531                         install_package($feed, $name, exists($opts{f})) == 0 or $ret = 1;
 532                 }
 533         }
 534
 535         # workaround for timestamp check
 536
 537         # set the defaults
 538         if ($opts{d} and $opts{d} =~ /^[ymn]$/) {
 539                 refresh_config($opts{d});
 540         }
 541
 542         return $ret;
 543 }
 544
 545 sub uninstall {
 546         my %opts;
 547         my $name;
 548         my $uninstall;
 549
 550         getopts('ah', \%opts);
 551
 552         if ($opts{h}) {
 553                 usage();
 554                 return 0;
 555         }
 556
 557         if ($opts{a}) {
 558                 system("rm -rvf ./package/feeds");
 559                 $uninstall = 1;
 560         } else {
 561                 if($#ARGV == -1) {
 562                         warn "WARNING: no package to uninstall\n";
 563                         return 0;
 564                 }
 565                 get_installed();
 566                 while ($name = shift @ARGV) {
 567                         my $pkg = $installed{$name};
 568                         $pkg or do {
 569                                 warn "WARNING: $name not installed\n";
 570                                 next;
 571                         };
 572                         $pkg->{src} and $name = $pkg->{src};
 573                         warn "Uninstalling package '$name'\n";
 574                         system("rm -f ./package/feeds/*/$name");
 575                         $uninstall = 1;
 576                 }
 577         }
 578         $uninstall and refresh_config();
 579         return 0;
 580 }
 581
 582 sub update_feed($$$$)
 583 {
 584         my $type=shift;
 585         my $name=shift;
 586         my $src=shift;
 587         my $perform_update=shift;
 588         my $force_relocate=update_location( $name, "@$src" );
 589
 590         if( $force_relocate ) {
 591                 warn "Source of feed $name has changed, replacing copy\n";
 592         }
 593         $update_method{$type} or do {
 594                 warn "Unknown type '$type' in feed $name\n";
 595                 return 1;
 596         };
 597         $perform_update and do {
 598                 my $failed = 1;
 599                 foreach my $feedsrc (@$src) {
 600                         warn "Updating feed '$name' from '$feedsrc' ...\n";
 601                         next unless update_feed_via($type, $name, $feedsrc, $force_relocate) == 0;
 602                         $failed = 0;
 603                         last;
 604                 }
 605                 $failed and do {
 606                         warn "failed.\n";
 607                         return 1;
 608                 };
 609         };
 610         warn "Create index file './feeds/$name.index' \n";
 611         update_index($name) == 0 or do {
 612                 warn "failed.\n";
 613                 return 1;
 614         };
 615         return 0;
 616 }
 617
 618 sub update {
 619         my %opts;
 620         my $feed_name;
 621         my $perform_update=1;
 622
 623         $ENV{SCAN_COOKIE} = $$;
 624         $ENV{OPENWRT_VERBOSE} = 's';
 625
 626         getopts('ahi', \%opts);
 627
 628         if ($opts{h}) {
 629                 usage();
 630                 return 0;
 631         }
 632
 633         if ($opts{i}) {
 634                 # don't update from (remote) repository
 635                 # only re-create index information
 636                 $perform_update=0;
 637         }
 638
 639         -d "feeds" or do {
 640                         mkdir "feeds" or die "Unable to create the feeds directory";
 641                 };
 642
 643         if ( ($#ARGV == -1) or $opts{a}) {
 644                 foreach my $feed (@feeds) {
 645                         my ($type, $name, $src) = @$feed;
 646                         next unless update_feed($type, $name, $src, $perform_update) == 1;
 647                         last;
 648                 }
 649         } else {
 650                 while ($feed_name = shift @ARGV) {
 651                         foreach my $feed (@feeds) {
 652                                 my ($type, $name, $src) = @$feed;
 653                                 if($feed_name ne $name) {
 654                                         next;
 655                                 }
 656                                 update_feed($type, $name, $src, $perform_update);
 657                         }
 658                 }
 659         }
 660
 661         refresh_config();
 662
 663         return 0;
 664 }
 665
 666 sub feed_config() {
 667         foreach my $feed (@feeds) {
 668                 my $installed = (-f "feeds/$feed->[1].index");
 669
 670                 printf "\tconfig FEED_%s\n", $feed->[1];
 671                 printf "\t\tbool \"Enable feed %s\"\n", $feed->[1];
 672                 printf "\t\tdepends on PER_FEED_REPO\n";
 673                 printf "\t\tdefault y\n" if $installed;
 674                 printf "\t\thelp\n";
 675                 printf "\t\t Enable the \\\"%s\\\" feed at %s.\n", $feed->[1], $feed->[2][0];
 676                 printf "\n";
 677         }
 678
 679         return 0;
 680 }
 681
 682 sub usage() {
 683         print <<EOF;
 684 Usage: $0 <command> [options]
 685
 686 Commands:
 687         list [options]: List feeds, their content and revisions (if installed)
 688         Options:
 689             -n :            List of feed names.
 690             -s :            List of feed names and their URL.
 691             -r <feedname>:  List packages of specified feed.
 692             -d <delimiter>: Use specified delimiter to distinguish rows (default: spaces)
 693
 694         install [options] <package>: Install a package
 695         Options:
 696             -a :           Install all packages from all feeds or from the specified feed using the -p option.
 697             -p <feedname>: Prefer this feed when installing packages.
 698             -d <y|m|n>:    Set default for newly installed packages.
 699             -f :           Install will be forced even if the package exists in core OpenWrt (override)
 700
 701         search [options] <substring>: Search for a package
 702         Options:
 703             -r <feedname>: Only search in this feed
 704
 705         uninstall -a|<package>: Uninstall a package
 706         Options:
 707             -a :           Uninstalls all packages.
 708
 709         update -a|<feedname(s)>: Update packages and lists of feeds in feeds.conf .
 710         Options:
 711             -a :           Update all feeds listed within feeds.conf. Otherwise the specified feeds will be updated.
 712             -i :           Recreate the index only. No feed update from repository is performed.
 713
 714         clean:             Remove downloaded/generated files.
 715
 716 EOF
 717         exit(1);
 718 }
 719
 720 my %commands = (
 721         'list' => \&list,
 722         'update' => \&update,
 723         'install' => \&install,
 724         'search' => \&search,
 725         'uninstall' => \&uninstall,
 726         'feed_config' => \&feed_config,
 727         'clean' => sub {
 728                 system("rm -rf feeds");
 729         }
 730 );
 731
 732 my $arg = shift @ARGV;
 733 $arg or usage();
 734 parse_config;
 735 foreach my $cmd (keys %commands) {
 736         $arg eq $cmd and do {
 737                 exit(&{$commands{$cmd}}());
 738         };
 739 }
 740 usage();