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94 jpm 1
<?php
2
/**
3
 * PEAR_DependencyDB, advanced installed packages dependency database
4
 *
5
 * PHP versions 4 and 5
6
 *
7
 * LICENSE: This source file is subject to version 3.0 of the PHP license
8
 * that is available through the world-wide-web at the following URI:
9
 * http://www.php.net/license/3_0.txt.  If you did not receive a copy of
10
 * the PHP License and are unable to obtain it through the web, please
11
 * send a note to license@php.net so we can mail you a copy immediately.
12
 *
13
 * @category   pear
14
 * @package    PEAR
15
 * @author     Tomas V. V. Cox <cox@idecnet.com>
16
 * @author     Greg Beaver <cellog@php.net>
17
 * @copyright  1997-2006 The PHP Group
18
 * @license    http://www.php.net/license/3_0.txt  PHP License 3.0
19
 * @version    CVS: $Id: DependencyDB.php,v 1.35 2007/01/06 04:03:32 cellog Exp $
20
 * @link       http://pear.php.net/package/PEAR
21
 * @since      File available since Release 1.4.0a1
22
 */
23
 
24
/**
25
 * Needed for error handling
26
 */
27
require_once 'PEAR.php';
28
require_once 'PEAR/Config.php';
29
 
30
$GLOBALS['_PEAR_DEPENDENCYDB_INSTANCE'] = array();
31
/**
32
 * Track dependency relationships between installed packages
33
 * @category   pear
34
 * @package    PEAR
35
 * @author     Greg Beaver <cellog@php.net>
36
 * @author     Tomas V.V.Cox <cox@idec.net.com>
37
 * @copyright  1997-2006 The PHP Group
38
 * @license    http://www.php.net/license/3_0.txt  PHP License 3.0
39
 * @version    Release: 1.5.1
40
 * @link       http://pear.php.net/package/PEAR
41
 * @since      Class available since Release 1.4.0a1
42
 */
43
class PEAR_DependencyDB
44
{
45
    // {{{ properties
46
 
47
    /**
48
     * This is initialized by {@link setConfig()}
49
     * @var PEAR_Config
50
     * @access private
51
     */
52
    var $_config;
53
    /**
54
     * This is initialized by {@link setConfig()}
55
     * @var PEAR_Registry
56
     * @access private
57
     */
58
    var $_registry;
59
    /**
60
     * Filename of the dependency DB (usually .depdb)
61
     * @var string
62
     * @access private
63
     */
64
    var $_depdb = false;
65
    /**
66
     * File name of the lockfile (usually .depdblock)
67
     * @var string
68
     * @access private
69
     */
70
    var $_lockfile = false;
71
    /**
72
     * Open file resource for locking the lockfile
73
     * @var resource|false
74
     * @access private
75
     */
76
    var $_lockFp = false;
77
    /**
78
     * API version of this class, used to validate a file on-disk
79
     * @var string
80
     * @access private
81
     */
82
    var $_version = '1.0';
83
    /**
84
     * Cached dependency database file
85
     * @var array|null
86
     * @access private
87
     */
88
    var $_cache;
89
 
90
    // }}}
91
    // {{{ & singleton()
92
 
93
    /**
94
     * Get a raw dependency database.  Calls setConfig() and assertDepsDB()
95
     * @param PEAR_Config
96
     * @param string|false full path to the dependency database, or false to use default
97
     * @return PEAR_DependencyDB|PEAR_Error
98
     * @static
99
     */
100
    function &singleton(&$config, $depdb = false)
101
    {
102
        if (!isset($GLOBALS['_PEAR_DEPENDENCYDB_INSTANCE']
103
              [$config->get('php_dir', null, 'pear.php.net')])) {
104
            $a = new PEAR_DependencyDB;
105
            $GLOBALS['_PEAR_DEPENDENCYDB_INSTANCE']
106
              [$config->get('php_dir', null, 'pear.php.net')] = &$a;
107
            $a->setConfig($config, $depdb);
108
            if (PEAR::isError($e = $a->assertDepsDB())) {
109
                return $e;
110
            }
111
        }
112
        return $GLOBALS['_PEAR_DEPENDENCYDB_INSTANCE']
113
              [$config->get('php_dir', null, 'pear.php.net')];
114
    }
115
 
116
    /**
117
     * Set up the registry/location of dependency DB
118
     * @param PEAR_Config|false
119
     * @param string|false full path to the dependency database, or false to use default
120
     */
121
    function setConfig(&$config, $depdb = false)
122
    {
123
        if (!$config) {
124
            $this->_config = &PEAR_Config::singleton();
125
        } else {
126
            $this->_config = &$config;
127
        }
128
        $this->_registry = &$this->_config->getRegistry();
129
        if (!$depdb) {
130
            $this->_depdb = $this->_config->get('php_dir', null, 'pear.php.net') .
131
                DIRECTORY_SEPARATOR . '.depdb';
132
        } else {
133
            $this->_depdb = $depdb;
134
        }
135
        $this->_lockfile = dirname($this->_depdb) . DIRECTORY_SEPARATOR . '.depdblock';
136
    }
137
    // }}}
138
 
139
    function hasWriteAccess()
140
    {
141
        if (!file_exists($this->_depdb)) {
142
            $dir = $this->_depdb;
143
            while ($dir && $dir != '.') {
144
                $dir = dirname($dir); // cd ..
145
                if ($dir != '.' && file_exists($dir)) {
146
                    if (is_writeable($dir)) {
147
                        return true;
148
                    } else {
149
                        return false;
150
                    }
151
                }
152
            }
153
            return false;
154
        }
155
        return is_writeable($this->_depdb);
156
    }
157
 
158
    // {{{ assertDepsDB()
159
 
160
    /**
161
     * Create the dependency database, if it doesn't exist.  Error if the database is
162
     * newer than the code reading it.
163
     * @return void|PEAR_Error
164
     */
165
    function assertDepsDB()
166
    {
167
        if (!is_file($this->_depdb)) {
168
            $this->rebuildDB();
169
        } else {
170
            $depdb = $this->_getDepDB();
171
            // Datatype format has been changed, rebuild the Deps DB
172
            if ($depdb['_version'] < $this->_version) {
173
                $this->rebuildDB();
174
            }
175
            if ($depdb['_version']{0} > $this->_version{0}) {
176
                return PEAR::raiseError('Dependency database is version ' .
177
                    $depdb['_version'] . ', and we are version ' .
178
                    $this->_version . ', cannot continue');
179
            }
180
        }
181
    }
182
 
183
    /**
184
     * Get a list of installed packages that depend on this package
185
     * @param PEAR_PackageFile_v1|PEAR_PackageFile_v2|array
186
     * @return array|false
187
     */
188
    function getDependentPackages(&$pkg)
189
    {
190
        $data = $this->_getDepDB();
191
        if (is_object($pkg)) {
192
            $channel = strtolower($pkg->getChannel());
193
            $package = strtolower($pkg->getPackage());
194
        } else {
195
            $channel = strtolower($pkg['channel']);
196
            $package = strtolower($pkg['package']);
197
        }
198
        if (isset($data['packages'][$channel][$package])) {
199
            return $data['packages'][$channel][$package];
200
        }
201
        return false;
202
    }
203
 
204
    /**
205
     * Get a list of the actual dependencies of installed packages that depend on
206
     * a package.
207
     * @param PEAR_PackageFile_v1|PEAR_PackageFile_v2|array
208
     * @return array|false
209
     */
210
    function getDependentPackageDependencies(&$pkg)
211
    {
212
        $data = $this->_getDepDB();
213
        if (is_object($pkg)) {
214
            $channel = strtolower($pkg->getChannel());
215
            $package = strtolower($pkg->getPackage());
216
        } else {
217
            $channel = strtolower($pkg['channel']);
218
            $package = strtolower($pkg['package']);
219
        }
220
        $depend = $this->getDependentPackages($pkg);
221
        if (!$depend) {
222
            return false;
223
        }
224
        $dependencies = array();
225
        foreach ($depend as $info) {
226
            $temp = $this->getDependencies($info);
227
            foreach ($temp as $dep) {
228
                if (strtolower($dep['dep']['channel']) == strtolower($channel) &&
229
                      strtolower($dep['dep']['name']) == strtolower($package)) {
230
                    if (!isset($dependencies[$info['channel']])) {
231
                        $dependencies[$info['channel']] = array();
232
                    }
233
                    if (!isset($dependencies[$info['channel']][$info['package']])) {
234
                        $dependencies[$info['channel']][$info['package']] = array();
235
                    }
236
                    $dependencies[$info['channel']][$info['package']][] = $dep;
237
                }
238
            }
239
        }
240
        return $dependencies;
241
    }
242
 
243
    /**
244
     * Get a list of dependencies of this installed package
245
     * @param PEAR_PackageFile_v1|PEAR_PackageFile_v2|array
246
     * @return array|false
247
     */
248
    function getDependencies(&$pkg)
249
    {
250
        if (is_object($pkg)) {
251
            $channel = strtolower($pkg->getChannel());
252
            $package = strtolower($pkg->getPackage());
253
        } else {
254
            $channel = strtolower($pkg['channel']);
255
            $package = strtolower($pkg['package']);
256
        }
257
        $data = $this->_getDepDB();
258
        if (isset($data['dependencies'][$channel][$package])) {
259
            return $data['dependencies'][$channel][$package];
260
        }
261
        return false;
262
    }
263
 
264
    /**
265
     * Determine whether $parent depends on $child, near or deep
266
     * @param array|PEAR_PackageFile_v2|PEAR_PackageFile_v2
267
     * @param array|PEAR_PackageFile_v2|PEAR_PackageFile_v2
268
     */
269
    function dependsOn($parent, $child)
270
    {
271
        $c = array();
272
        $this->_getDepDB();
273
        return $this->_dependsOn($parent, $child, $c);
274
    }
275
 
276
    function _dependsOn($parent, $child, &$checked)
277
    {
278
        if (is_object($parent)) {
279
            $channel = strtolower($parent->getChannel());
280
            $package = strtolower($parent->getPackage());
281
        } else {
282
            $channel = strtolower($parent['channel']);
283
            $package = strtolower($parent['package']);
284
        }
285
        if (is_object($child)) {
286
            $depchannel = strtolower($child->getChannel());
287
            $deppackage = strtolower($child->getPackage());
288
        } else {
289
            $depchannel = strtolower($child['channel']);
290
            $deppackage = strtolower($child['package']);
291
        }
292
        if (isset($checked[$channel][$package][$depchannel][$deppackage])) {
293
            return false; // avoid endless recursion
294
        }
295
        $checked[$channel][$package][$depchannel][$deppackage] = true;
296
        if (!isset($this->_cache['dependencies'][$channel][$package])) {
297
            return false;
298
        }
299
        foreach ($this->_cache['dependencies'][$channel][$package] as $info) {
300
            if (isset($info['dep']['uri'])) {
301
                if (is_object($child)) {
302
                    if ($info['dep']['uri'] == $child->getURI()) {
303
                        return true;
304
                    }
305
                } elseif (isset($child['uri'])) {
306
                    if ($info['dep']['uri'] == $child['uri']) {
307
                        return true;
308
                    }
309
                }
310
                return false;
311
            }
312
            if (strtolower($info['dep']['channel']) == strtolower($depchannel) &&
313
                  strtolower($info['dep']['name']) == strtolower($deppackage)) {
314
                return true;
315
            }
316
        }
317
        foreach ($this->_cache['dependencies'][$channel][$package] as $info) {
318
            if (isset($info['dep']['uri'])) {
319
                if ($this->_dependsOn(array(
320
                        'uri' => $info['dep']['uri'],
321
                        'package' => $info['dep']['name']), $child, $checked)) {
322
                    return true;
323
                }
324
            } else {
325
                if ($this->_dependsOn(array(
326
                        'channel' => $info['dep']['channel'],
327
                        'package' => $info['dep']['name']), $child, $checked)) {
328
                    return true;
329
                }
330
            }
331
        }
332
        return false;
333
    }
334
 
335
    /**
336
     * Register dependencies of a package that is being installed or upgraded
337
     * @param PEAR_PackageFile_v2|PEAR_PackageFile_v2
338
     */
339
    function installPackage(&$package)
340
    {
341
        $data = $this->_getDepDB();
342
        unset($this->_cache);
343
        $this->_setPackageDeps($data, $package);
344
        $this->_writeDepDB($data);
345
    }
346
 
347
    /**
348
     * Remove dependencies of a package that is being uninstalled, or upgraded.
349
     *
350
     * Upgraded packages first uninstall, then install
351
     * @param PEAR_PackageFile_v1|PEAR_PackageFile_v2|array If an array, then it must have
352
     *        indices 'channel' and 'package'
353
     */
354
    function uninstallPackage(&$pkg)
355
    {
356
        $data = $this->_getDepDB();
357
        unset($this->_cache);
358
        if (is_object($pkg)) {
359
            $channel = strtolower($pkg->getChannel());
360
            $package = strtolower($pkg->getPackage());
361
        } else {
362
            $channel = strtolower($pkg['channel']);
363
            $package = strtolower($pkg['package']);
364
        }
365
        if (!isset($data['dependencies'][$channel][$package])) {
366
            return true;
367
        }
368
        foreach ($data['dependencies'][$channel][$package] as $dep) {
369
            $found = false;
370
            if (isset($dep['dep']['uri'])) {
371
                $depchannel = '__uri';
372
            } else {
373
                $depchannel = strtolower($dep['dep']['channel']);
374
            }
375
            if (isset($data['packages'][$depchannel][strtolower($dep['dep']['name'])])) {
376
                foreach ($data['packages'][$depchannel][strtolower($dep['dep']['name'])] as
377
                      $i => $info) {
378
                    if ($info['channel'] == $channel &&
379
                          $info['package'] == $package) {
380
                        $found = true;
381
                        break;
382
                    }
383
                }
384
            }
385
            if ($found) {
386
                unset($data['packages'][$depchannel][strtolower($dep['dep']['name'])][$i]);
387
                if (!count($data['packages'][$depchannel][strtolower($dep['dep']['name'])])) {
388
                    unset($data['packages'][$depchannel][strtolower($dep['dep']['name'])]);
389
                    if (!count($data['packages'][$depchannel])) {
390
                        unset($data['packages'][$depchannel]);
391
                    }
392
                } else {
393
                    $data['packages'][$depchannel][strtolower($dep['dep']['name'])] =
394
                        array_values(
395
                            $data['packages'][$depchannel][strtolower($dep['dep']['name'])]);
396
                }
397
            }
398
        }
399
        unset($data['dependencies'][$channel][$package]);
400
        if (!count($data['dependencies'][$channel])) {
401
            unset($data['dependencies'][$channel]);
402
        }
403
        if (!count($data['dependencies'])) {
404
            unset($data['dependencies']);
405
        }
406
        if (!count($data['packages'])) {
407
            unset($data['packages']);
408
        }
409
        $this->_writeDepDB($data);
410
    }
411
 
412
    /**
413
     * Rebuild the dependency DB by reading registry entries.
414
     * @return true|PEAR_Error
415
     */
416
    function rebuildDB()
417
    {
418
        $depdb = array('_version' => $this->_version);
419
        if (!$this->hasWriteAccess()) {
420
            // allow startup for read-only with older Registry
421
            return $depdb;
422
        }
423
        $packages = $this->_registry->listAllPackages();
424
        foreach ($packages as $channel => $ps) {
425
            foreach ($ps as $package) {
426
                $package = $this->_registry->getPackage($package, $channel);
427
                $this->_setPackageDeps($depdb, $package);
428
            }
429
        }
430
        $error = $this->_writeDepDB($depdb);
431
        if (PEAR::isError($error)) {
432
            return $error;
433
        }
434
        $this->_cache = $depdb;
435
        return true;
436
    }
437
 
438
    /**
439
     * Register usage of the dependency DB to prevent race conditions
440
     * @param int one of the LOCK_* constants
441
     * @return true|PEAR_Error
442
     * @access private
443
     */
444
    function _lock($mode = LOCK_EX)
445
    {
446
        if (!eregi('Windows 9', php_uname())) {
447
            if ($mode != LOCK_UN && is_resource($this->_lockFp)) {
448
                // XXX does not check type of lock (LOCK_SH/LOCK_EX)
449
                return true;
450
            }
451
            $open_mode = 'w';
452
            // XXX People reported problems with LOCK_SH and 'w'
453
            if ($mode === LOCK_SH) {
454
                if (!file_exists($this->_lockfile)) {
455
                    touch($this->_lockfile);
456
                } elseif (!is_file($this->_lockfile)) {
457
                    return PEAR::raiseError('could not create Dependency lock file, ' .
458
                        'it exists and is not a regular file');
459
                }
460
                $open_mode = 'r';
461
            }
462
 
463
            if (!is_resource($this->_lockFp)) {
464
                $this->_lockFp = @fopen($this->_lockfile, $open_mode);
465
            }
466
            if (!is_resource($this->_lockFp)) {
467
                return PEAR::raiseError("could not create Dependency lock file" .
468
                                         (isset($php_errormsg) ? ": " . $php_errormsg : ""));
469
            }
470
            if (!(int)flock($this->_lockFp, $mode)) {
471
                switch ($mode) {
472
                    case LOCK_SH: $str = 'shared';    break;
473
                    case LOCK_EX: $str = 'exclusive'; break;
474
                    case LOCK_UN: $str = 'unlock';    break;
475
                    default:      $str = 'unknown';   break;
476
                }
477
                return PEAR::raiseError("could not acquire $str lock ($this->_lockfile)");
478
            }
479
        }
480
        return true;
481
    }
482
 
483
    /**
484
     * Release usage of dependency DB
485
     * @return true|PEAR_Error
486
     * @access private
487
     */
488
    function _unlock()
489
    {
490
        $ret = $this->_lock(LOCK_UN);
491
        if (is_resource($this->_lockFp)) {
492
            fclose($this->_lockFp);
493
        }
494
        $this->_lockFp = null;
495
        return $ret;
496
    }
497
 
498
    /**
499
     * Load the dependency database from disk, or return the cache
500
     * @return array|PEAR_Error
501
     */
502
    function _getDepDB()
503
    {
504
        if (!$this->hasWriteAccess()) {
505
            return array('_version' => $this->_version);
506
        }
507
        if (isset($this->_cache)) {
508
            return $this->_cache;
509
        }
510
        if (!$fp = fopen($this->_depdb, 'r')) {
511
            $err = PEAR::raiseError("Could not open dependencies file `".$this->_depdb."'");
512
            return $err;
513
        }
514
        $rt = get_magic_quotes_runtime();
515
        set_magic_quotes_runtime(0);
516
        clearstatcache();
517
        fclose($fp);
518
        $data = unserialize(file_get_contents($this->_depdb));
519
        set_magic_quotes_runtime($rt);
520
        $this->_cache = $data;
521
        return $data;
522
    }
523
 
524
    /**
525
     * Write out the dependency database to disk
526
     * @param array the database
527
     * @return true|PEAR_Error
528
     * @access private
529
     */
530
    function _writeDepDB(&$deps)
531
    {
532
        if (PEAR::isError($e = $this->_lock(LOCK_EX))) {
533
            return $e;
534
        }
535
        if (!$fp = fopen($this->_depdb, 'wb')) {
536
            $this->_unlock();
537
            return PEAR::raiseError("Could not open dependencies file `".$this->_depdb."' for writing");
538
        }
539
        $rt = get_magic_quotes_runtime();
540
        set_magic_quotes_runtime(0);
541
        fwrite($fp, serialize($deps));
542
        set_magic_quotes_runtime($rt);
543
        fclose($fp);
544
        $this->_unlock();
545
        $this->_cache = $deps;
546
        return true;
547
    }
548
 
549
    /**
550
     * Register all dependencies from a package in the dependencies database, in essence
551
     * "installing" the package's dependency information
552
     * @param array the database
553
     * @param PEAR_PackageFile_v1|PEAR_PackageFile_v2
554
     * @access private
555
     */
556
    function _setPackageDeps(&$data, &$pkg)
557
    {
558
        $pkg->setConfig($this->_config);
559
        if ($pkg->getPackagexmlVersion() == '1.0') {
560
            $gen = &$pkg->getDefaultGenerator();
561
            $deps = $gen->dependenciesToV2();
562
        } else {
563
            $deps = $pkg->getDeps(true);
564
        }
565
        if (!$deps) {
566
            return;
567
        }
568
        if (!is_array($data)) {
569
            $data = array();
570
        }
571
        if (!isset($data['dependencies'])) {
572
            $data['dependencies'] = array();
573
        }
574
        if (!isset($data['dependencies'][strtolower($pkg->getChannel())])) {
575
            $data['dependencies'][strtolower($pkg->getChannel())] = array();
576
        }
577
        $data['dependencies'][strtolower($pkg->getChannel())][strtolower($pkg->getPackage())]
578
            = array();
579
        if (isset($deps['required']['package'])) {
580
            if (!isset($deps['required']['package'][0])) {
581
                $deps['required']['package'] = array($deps['required']['package']);
582
            }
583
            foreach ($deps['required']['package'] as $dep) {
584
                $this->_registerDep($data, $pkg, $dep, 'required');
585
            }
586
        }
587
        if (isset($deps['optional']['package'])) {
588
            if (!isset($deps['optional']['package'][0])) {
589
                $deps['optional']['package'] = array($deps['optional']['package']);
590
            }
591
            foreach ($deps['optional']['package'] as $dep) {
592
                $this->_registerDep($data, $pkg, $dep, 'optional');
593
            }
594
        }
595
        if (isset($deps['required']['subpackage'])) {
596
            if (!isset($deps['required']['subpackage'][0])) {
597
                $deps['required']['subpackage'] = array($deps['required']['subpackage']);
598
            }
599
            foreach ($deps['required']['subpackage'] as $dep) {
600
                $this->_registerDep($data, $pkg, $dep, 'required');
601
            }
602
        }
603
        if (isset($deps['optional']['subpackage'])) {
604
            if (!isset($deps['optional']['subpackage'][0])) {
605
                $deps['optional']['subpackage'] = array($deps['optional']['subpackage']);
606
            }
607
            foreach ($deps['optional']['subpackage'] as $dep) {
608
                $this->_registerDep($data, $pkg, $dep, 'optional');
609
            }
610
        }
611
        if (isset($deps['group'])) {
612
            if (!isset($deps['group'][0])) {
613
                $deps['group'] = array($deps['group']);
614
            }
615
            foreach ($deps['group'] as $group) {
616
                if (isset($group['package'])) {
617
                    if (!isset($group['package'][0])) {
618
                        $group['package'] = array($group['package']);
619
                    }
620
                    foreach ($group['package'] as $dep) {
621
                        $this->_registerDep($data, $pkg, $dep, 'optional',
622
                            $group['attribs']['name']);
623
                    }
624
                }
625
                if (isset($group['subpackage'])) {
626
                    if (!isset($group['subpackage'][0])) {
627
                        $group['subpackage'] = array($group['subpackage']);
628
                    }
629
                    foreach ($group['subpackage'] as $dep) {
630
                        $this->_registerDep($data, $pkg, $dep, 'optional',
631
                            $group['attribs']['name']);
632
                    }
633
                }
634
            }
635
        }
636
        if ($data['dependencies'][strtolower($pkg->getChannel())]
637
              [strtolower($pkg->getPackage())] == array()) {
638
            unset($data['dependencies'][strtolower($pkg->getChannel())]
639
              [strtolower($pkg->getPackage())]);
640
            if (!count($data['dependencies'][strtolower($pkg->getChannel())])) {
641
                unset($data['dependencies'][strtolower($pkg->getChannel())]);
642
            }
643
        }
644
    }
645
 
646
    /**
647
     * @param array the database
648
     * @param PEAR_PackageFile_v1|PEAR_PackageFile_v2
649
     * @param array the specific dependency
650
     * @param required|optional whether this is a required or an optional dep
651
     * @param string|false dependency group this dependency is from, or false for ordinary dep
652
     */
653
    function _registerDep(&$data, &$pkg, $dep, $type, $group = false)
654
    {
655
        $info = array(
656
            'dep' => $dep,
657
            'type' => $type,
658
            'group' => $group);
659
 
660
        if (isset($dep['channel'])) {
661
            $depchannel = $dep['channel'];
662
        } else {
663
            $depchannel = '__uri';
664
        }
665
        if (!isset($data['dependencies'])) {
666
            $data['dependencies'] = array();
667
        }
668
        if (!isset($data['dependencies'][strtolower($pkg->getChannel())])) {
669
            $data['dependencies'][strtolower($pkg->getChannel())] = array();
670
        }
671
        if (!isset($data['dependencies'][strtolower($pkg->getChannel())][strtolower($pkg->getPackage())])) {
672
            $data['dependencies'][strtolower($pkg->getChannel())][strtolower($pkg->getPackage())] = array();
673
        }
674
        $data['dependencies'][strtolower($pkg->getChannel())][strtolower($pkg->getPackage())][]
675
            = $info;
676
        if (isset($data['packages'][strtolower($depchannel)][strtolower($dep['name'])])) {
677
            $found = false;
678
            foreach ($data['packages'][strtolower($depchannel)][strtolower($dep['name'])]
679
                  as $i => $p) {
680
                if ($p['channel'] == strtolower($pkg->getChannel()) &&
681
                      $p['package'] == strtolower($pkg->getPackage())) {
682
                    $found = true;
683
                    break;
684
                }
685
            }
686
            if (!$found) {
687
                $data['packages'][strtolower($depchannel)][strtolower($dep['name'])][]
688
                    = array('channel' => strtolower($pkg->getChannel()),
689
                            'package' => strtolower($pkg->getPackage()));
690
            }
691
        } else {
692
            if (!isset($data['packages'])) {
693
                $data['packages'] = array();
694
            }
695
            if (!isset($data['packages'][strtolower($depchannel)])) {
696
                $data['packages'][strtolower($depchannel)] = array();
697
            }
698
            if (!isset($data['packages'][strtolower($depchannel)][strtolower($dep['name'])])) {
699
                $data['packages'][strtolower($depchannel)][strtolower($dep['name'])] = array();
700
            }
701
            $data['packages'][strtolower($depchannel)][strtolower($dep['name'])][]
702
                = array('channel' => strtolower($pkg->getChannel()),
703
                        'package' => strtolower($pkg->getPackage()));
704
        }
705
    }
706
}
707
?>