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 do_install_package($$) {
 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 %feed;
 370
 371 sub lookup_package($$) {
 372         my $feed = shift;
 373         my $package = shift;
 374
 375         foreach my $feed ($feed, @feeds) {
 376                 next unless $feed->[1];
 377                 next unless $feed{$feed->[1]};
 378                 $feed{$feed->[1]}->{$package} and return $feed;
 379         }
 380         return;
 381 }
 382
 383 sub is_core_package($) {
 384         my $package = shift;
 385         foreach my $file ("tmp/info/.packageinfo-$package", glob("tmp/info/.packageinfo-*_$package")) {
 386                 next unless index($file, "tmp/info/.packageinfo-feeds_");
 387                 return 1 if -s $file;
 388         }
 389         return 0;
 390 }
 391
 392 sub install_package {
 393         my $feed = shift;
 394         my $name = shift;
 395         my $force = shift;
 396         my $ret = 0;
 397
 398         $feed = lookup_package($feed, $name);
 399         $feed or do {
 400                 $installed{$name} and return 0;
 401                 # TODO: check if it's already installed within ./package directory
 402                 $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";
 403                 return 0;
 404         };
 405
 406         # switch to the metadata for the selected feed
 407         get_feed($feed->[1]);
 408
 409         my $pkg = $feed{$feed->[1]}->{$name} or return 1;
 410         $pkg->{name} or do {
 411                 $installed{$name} and return 0;
 412                 # TODO: check if this is an alias package, maybe it's known by another name
 413                 warn "WARNING: Package '$name' is not available in feed $feed->[1].\n";
 414                 return 0;
 415         };
 416         my $src = $pkg->{src};
 417         my $type = $feed->[0];
 418         $src or $src = $name;
 419
 420         # If it's a core package and we don't want to override, just return
 421         !$force and is_core_package($src) and return 0;
 422
 423         # previously installed packages set the runtime package
 424         # newly installed packages set the source package to 1
 425         $installed{$src} and $installed{$src} == 1 and return 0;
 426
 427         # we'll trigger the override only with the 3 conditions below:
 428         # - override is allowed by command line (-f)
 429         # - a package with the same src exists in the core packages list
 430         # - the package previously installed is not from a feed
 431         my $override = 1 if ($force and is_core_package($src) and !$installed{$name}->{feed});
 432
 433         # check previously installed packages
 434         $installed{$name} and !$override and return 0;
 435         $installed{$src} = 1;
 436
 437         defined($override) and $override == 1
 438                 and warn "Overriding package '$src'\n"
 439                 or warn "Installing package '$src'\n";
 440
 441         do_install_package($feed, $pkg) == 0 or do {
 442                 warn "failed.\n";
 443                 return 1;
 444         };
 445
 446         # install all dependencies referenced from the source package
 447         foreach my $vpkg (@{$feed_src->{$src}}) {
 448                 foreach my $dep (@{$vpkg->{depends}}, @{$vpkg->{builddepends}}, @{$vpkg->{"builddepends/host"}}) {
 449                         next if $dep =~ /@/;
 450                         $dep =~ s/^\+//;
 451                         $dep =~ s/^.+://;
 452                         $dep =~ s/\/.+$//;
 453                         next unless $dep;
 454                         install_package($feed, $dep, 0) == 0 or $ret = 1;
 455                 }
 456         }
 457
 458         return $ret;
 459 }
 460
 461 sub refresh_config {
 462         my $default = shift;
 463
 464         # workaround for timestamp check
 465         system("rm -f tmp/.packageinfo");
 466
 467         # refresh the config
 468         if ($default) {
 469                 system("$mk oldconfig CONFDEFAULT=\"$default\" Config.in >/dev/null 2>/dev/null");
 470         } else {
 471                 system("$mk defconfig Config.in >/dev/null 2>/dev/null");
 472         }
 473 }
 474
 475 sub install {
 476         my $name;
 477         my %opts;
 478         my $feed;
 479         my $ret = 0;
 480
 481         getopts('ap:d:fh', \%opts);
 482
 483         if ($opts{h}) {
 484                 usage();
 485                 return 0;
 486         }
 487
 488         get_installed();
 489
 490         foreach my $f (@feeds) {
 491                 # index all feeds
 492                 $feed{$f->[1]} = get_feed($f->[1]);
 493
 494                 # look up the preferred feed
 495                 $opts{p} and $f->[1] eq $opts{p} and $feed = $f;
 496         }
 497
 498         if($opts{a}) {
 499                 foreach my $f (@feeds) {
 500                         if (!defined($opts{p}) or $opts{p} eq $f->[1]) {
 501                                 printf "Installing all packages from feed %s.\n", $f->[1];
 502                                 get_feed($f->[1]);
 503                                 foreach my $name (sort { lc($a) cmp lc($b) } keys %$feed_package) {
 504                                         my $p = $feed_package->{$name};
 505                                         next if $p->{vdepends};
 506                                         if( $p->{name} ) {
 507                                                 install_package($feed, $p->{name}, exists($opts{f})) == 0 or $ret = 1;
 508                                                 get_feed($f->[1]);
 509                                         }
 510                                 }
 511                         }
 512                 }
 513         } else {
 514                 while ($name = shift @ARGV) {
 515                         install_package($feed, $name, exists($opts{f})) == 0 or $ret = 1;
 516                 }
 517         }
 518
 519         # workaround for timestamp check
 520
 521         # set the defaults
 522         if ($opts{d} and $opts{d} =~ /^[ymn]$/) {
 523                 refresh_config($opts{d});
 524         }
 525
 526         return $ret;
 527 }
 528
 529 sub uninstall {
 530         my %opts;
 531         my $name;
 532         my $uninstall;
 533
 534         getopts('ah', \%opts);
 535
 536         if ($opts{h}) {
 537                 usage();
 538                 return 0;
 539         }
 540
 541         if ($opts{a}) {
 542                 system("rm -rvf ./package/feeds");
 543                 $uninstall = 1;
 544         } else {
 545                 if($#ARGV == -1) {
 546                         warn "WARNING: no package to uninstall\n";
 547                         return 0;
 548                 }
 549                 get_installed();
 550                 while ($name = shift @ARGV) {
 551                         my $pkg = $installed{$name};
 552                         $pkg or do {
 553                                 warn "WARNING: $name not installed\n";
 554                                 next;
 555                         };
 556                         $pkg->{src} and $name = $pkg->{src};
 557                         warn "Uninstalling package '$name'\n";
 558                         system("rm -f ./package/feeds/*/$name");
 559                         $uninstall = 1;
 560                 }
 561         }
 562         $uninstall and refresh_config();
 563         return 0;
 564 }
 565
 566 sub update_feed($$$$)
 567 {
 568         my $type=shift;
 569         my $name=shift;
 570         my $src=shift;
 571         my $perform_update=shift;
 572         my $force_relocate=update_location( $name, "@$src" );
 573
 574         if( $force_relocate ) {
 575                 warn "Source of feed $name has changed, replacing copy\n";
 576         }
 577         $update_method{$type} or do {
 578                 warn "Unknown type '$type' in feed $name\n";
 579                 return 1;
 580         };
 581         $perform_update and do {
 582                 my $failed = 1;
 583                 foreach my $feedsrc (@$src) {
 584                         warn "Updating feed '$name' from '$feedsrc' ...\n";
 585                         next unless update_feed_via($type, $name, $feedsrc, $force_relocate) == 0;
 586                         $failed = 0;
 587                         last;
 588                 }
 589                 $failed and do {
 590                         warn "failed.\n";
 591                         return 1;
 592                 };
 593         };
 594         warn "Create index file './feeds/$name.index' \n";
 595         update_index($name) == 0 or do {
 596                 warn "failed.\n";
 597                 return 1;
 598         };
 599         return 0;
 600 }
 601
 602 sub update {
 603         my %opts;
 604         my $feed_name;
 605         my $perform_update=1;
 606
 607         $ENV{SCAN_COOKIE} = $$;
 608         $ENV{OPENWRT_VERBOSE} = 's';
 609
 610         getopts('ahi', \%opts);
 611
 612         if ($opts{h}) {
 613                 usage();
 614                 return 0;
 615         }
 616
 617         if ($opts{i}) {
 618                 # don't update from (remote) repository
 619                 # only re-create index information
 620                 $perform_update=0;
 621         }
 622
 623         -d "feeds" or do {
 624                         mkdir "feeds" or die "Unable to create the feeds directory";
 625                 };
 626
 627         if ( ($#ARGV == -1) or $opts{a}) {
 628                 foreach my $feed (@feeds) {
 629                         my ($type, $name, $src) = @$feed;
 630                         next unless update_feed($type, $name, $src, $perform_update) == 1;
 631                         last;
 632                 }
 633         } else {
 634                 while ($feed_name = shift @ARGV) {
 635                         foreach my $feed (@feeds) {
 636                                 my ($type, $name, $src) = @$feed;
 637                                 if($feed_name ne $name) {
 638                                         next;
 639                                 }
 640                                 update_feed($type, $name, $src, $perform_update);
 641                         }
 642                 }
 643         }
 644
 645         refresh_config();
 646
 647         return 0;
 648 }
 649
 650 sub feed_config() {
 651         foreach my $feed (@feeds) {
 652                 my $installed = (-f "feeds/$feed->[1].index");
 653
 654                 printf "\tconfig FEED_%s\n", $feed->[1];
 655                 printf "\t\tbool \"Enable feed %s\"\n", $feed->[1];
 656                 printf "\t\tdepends on PER_FEED_REPO\n";
 657                 printf "\t\tdefault y\n" if $installed;
 658                 printf "\t\thelp\n";
 659                 printf "\t\t Enable the \\\"%s\\\" feed at %s.\n", $feed->[1], $feed->[2][0];
 660                 printf "\n";
 661         }
 662
 663         return 0;
 664 }
 665
 666 sub usage() {
 667         print <<EOF;
 668 Usage: $0 <command> [options]
 669
 670 Commands:
 671         list [options]: List feeds, their content and revisions (if installed)
 672         Options:
 673             -n :            List of feed names.
 674             -s :            List of feed names and their URL.
 675             -r <feedname>:  List packages of specified feed.
 676             -d <delimiter>: Use specified delimiter to distinguish rows (default: spaces)
 677
 678         install [options] <package>: Install a package
 679         Options:
 680             -a :           Install all packages from all feeds or from the specified feed using the -p option.
 681             -p <feedname>: Prefer this feed when installing packages.
 682             -d <y|m|n>:    Set default for newly installed packages.
 683             -f :           Install will be forced even if the package exists in core OpenWrt (override)
 684
 685         search [options] <substring>: Search for a package
 686         Options:
 687             -r <feedname>: Only search in this feed
 688
 689         uninstall -a|<package>: Uninstall a package
 690         Options:
 691             -a :           Uninstalls all packages.
 692
 693         update -a|<feedname(s)>: Update packages and lists of feeds in feeds.conf .
 694         Options:
 695             -a :           Update all feeds listed within feeds.conf. Otherwise the specified feeds will be updated.
 696             -i :           Recreate the index only. No feed update from repository is performed.
 697
 698         clean:             Remove downloaded/generated files.
 699
 700 EOF
 701         exit(1);
 702 }
 703
 704 my %commands = (
 705         'list' => \&list,
 706         'update' => \&update,
 707         'install' => \&install,
 708         'search' => \&search,
 709         'uninstall' => \&uninstall,
 710         'feed_config' => \&feed_config,
 711         'clean' => sub {
 712                 system("rm -rf feeds");
 713         }
 714 );
 715
 716 my $arg = shift @ARGV;
 717 $arg or usage();
 718 parse_config;
 719 foreach my $cmd (keys %commands) {
 720         $arg eq $cmd and do {
 721                 exit(&{$commands{$cmd}}());
 722         };
 723 }
 724 usage();