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| Редакция | Автор | № строки | Строка |
|---|---|---|---|
| 69 | alex-w | 1 | <?php |
| 2 | /** |
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| 3 | * PEAR_Installer_Role_Cfg |
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| 4 | * |
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| 5 | * PHP versions 4 and 5 |
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| 6 | * |
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| 7 | * LICENSE: This source file is subject to version 3.0 of the PHP license |
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| 8 | * that is available through the world-wide-web at the following URI: |
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| 9 | * http://www.php.net/license/3_0.txt. If you did not receive a copy of |
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| 10 | * the PHP License and are unable to obtain it through the web, please |
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| 11 | * send a note to license@php.net so we can mail you a copy immediately. |
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| 12 | * |
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| 13 | * @category pear |
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| 14 | * @package PEAR |
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| 15 | * @author Greg Beaver <cellog@php.net> |
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| 16 | * @copyright 2007-2008 The PHP Group |
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| 17 | * @license http://www.php.net/license/3_0.txt PHP License 3.0 |
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| 18 | * @version CVS: $Id: Cfg.php,v 1.8 2008/05/14 21:26:30 cellog Exp $ |
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| 19 | * @link http://pear.php.net/package/PEAR |
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| 20 | * @since File available since Release 1.7.0 |
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| 21 | */ |
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| 22 | |||
| 23 | /** |
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| 24 | * @category pear |
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| 25 | * @package PEAR |
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| 26 | * @author Greg Beaver <cellog@php.net> |
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| 27 | * @copyright 2007-2008 The PHP Group |
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| 28 | * @license http://www.php.net/license/3_0.txt PHP License 3.0 |
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| 29 | * @version Release: 1.7.2 |
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| 30 | * @link http://pear.php.net/package/PEAR |
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| 31 | * @since Class available since Release 1.7.0 |
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| 32 | */ |
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| 33 | class PEAR_Installer_Role_Cfg extends PEAR_Installer_Role_Common |
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| 34 | { |
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| 35 | /** |
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| 36 | * @var PEAR_Installer |
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| 37 | */ |
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| 38 | var $installer; |
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| 39 | /** |
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| 40 | * the md5 of the original file |
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| 41 | * |
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| 42 | * @var unknown_type |
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| 43 | */ |
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| 44 | var $md5 = null; |
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| 45 | /** |
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| 46 | * Do any unusual setup here |
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| 47 | * @param PEAR_Installer |
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| 48 | * @param PEAR_PackageFile_v2 |
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| 49 | * @param array file attributes |
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| 50 | * @param string file name |
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| 51 | */ |
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| 52 | function setup(&$installer, $pkg, $atts, $file) |
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| 53 | { |
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| 54 | $this->installer = &$installer; |
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| 55 | $reg = &$this->installer->config->getRegistry(); |
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| 56 | $package = $reg->getPackage($pkg->getPackage(), $pkg->getChannel()); |
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| 57 | if ($package) { |
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| 58 | $filelist = $package->getFilelist(); |
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| 59 | if (isset($filelist[$file]) && isset($filelist[$file]['md5sum'])) { |
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| 60 | $this->md5 = $filelist[$file]['md5sum']; |
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| 61 | } |
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| 62 | } |
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| 63 | } |
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| 64 | |||
| 65 | function processInstallation($pkg, $atts, $file, $tmp_path, $layer = null) |
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| 66 | { |
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| 67 | $test = parent::processInstallation($pkg, $atts, $file, $tmp_path, $layer); |
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| 68 | if (@file_exists($test[2]) && @file_exists($test[3])) { |
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| 69 | $md5 = md5_file($test[2]); |
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| 70 | // configuration has already been installed, check for mods |
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| 71 | if ($md5 !== $this->md5 && $md5 !== md5_file($test[3])) { |
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| 72 | // configuration has been modified, so save our version as |
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| 73 | // configfile-version |
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| 74 | $old = $test[2]; |
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| 75 | $test[2] .= '.new-' . $pkg->getVersion(); |
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| 76 | // backup original and re-install it |
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| 77 | PEAR::pushErrorHandling(PEAR_ERROR_RETURN); |
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| 78 | $tmpcfg = $this->config->get('temp_dir'); |
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| 79 | $newloc = System::mkdir(array('-p', $tmpcfg)); |
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| 80 | if (!$newloc) { |
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| 81 | // try temp_dir |
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| 82 | $newloc = System::mktemp(array('-d')); |
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| 83 | if (!$newloc || PEAR::isError($newloc)) { |
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| 84 | PEAR::popErrorHandling(); |
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| 85 | return PEAR::raiseError('Could not save existing configuration file '. |
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| 86 | $old . ', unable to install. Please set temp_dir ' . |
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| 87 | 'configuration variable to a writeable location and try again'); |
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| 88 | } |
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| 89 | } else { |
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| 90 | $newloc = $tmpcfg; |
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| 91 | } |
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| 92 | $temp_file = $newloc . DIRECTORY_SEPARATOR . uniqid('savefile'); |
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| 93 | if (!@copy($old, $temp_file)) { |
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| 94 | PEAR::popErrorHandling(); |
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| 95 | return PEAR::raiseError('Could not save existing configuration file '. |
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| 96 | $old . ', unable to install. Please set temp_dir ' . |
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| 97 | 'configuration variable to a writeable location and try again'); |
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| 98 | } |
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| 99 | PEAR::popErrorHandling(); |
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| 100 | $this->installer->log(0, "WARNING: configuration file $old is being installed as $test[2], you should manually merge in changes to the existing configuration file"); |
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| 101 | $this->installer->addFileOperation('rename', array($temp_file, $old, false)); |
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| 102 | $this->installer->addFileOperation('delete', array($temp_file)); |
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| 103 | } |
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| 104 | } |
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| 105 | return $test; |
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| 106 | } |
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| 107 | } |
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| 108 | ?> |