install.php

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            } else {
                $newparams[] = &$info;
                // check for binary packages (this is an alias for those packages if so)
                if ($installedbinary = $info->getInstalledBinary()) {
                    $this->ui->log('adding binary package ' .
                        $reg->parsedPackageNameToString(array('channel' => $channel,
                            'package' => $installedbinary), true));
                    $newparams[] = &$reg->getPackage($installedbinary, $channel);
                }
                // add the contents of a dependency group to the list of installed packages
                if (isset($parsed['group'])) {
                    $group = $info->getDependencyGroup($parsed['group']);
                    if ($group) {
                        $installed = &$reg->getInstalledGroup($group);
                        if ($installed) {
                            foreach ($installed as $i => $p) {
                                $newparams[] = &$installed[$i];
                            }
                        }
                    }
                }
            }
        }
        $err = $this->installer->sortPackagesForUninstall($newparams);
        if (PEAR::isError($err)) {
            $this->ui->outputData($err->getMessage(), $command);
            return true;
        }
        $params = $newparams;
        // twist this to use it to check on whether dependent packages are also being uninstalled
        // for circular dependencies like subpackages
        $this->installer->setUninstallPackages($newparams);
        $params = array_merge($params, $badparams);
        foreach ($params as $pkg) {
            $this->installer->pushErrorHandling(PEAR_ERROR_RETURN);
            if ($err = $this->installer->uninstall($pkg, $options)) {
                $this->installer->popErrorHandling();
                if (PEAR::isError($err)) {
                    $this->ui->outputData($err->getMessage(), $command);
                    continue;
                }
                if ($pkg->getPackageType() == 'extsrc' ||
                      $pkg->getPackageType() == 'extbin' ||
                      $pkg->getPackageType() == 'zendextsrc' ||
                      $pkg->getPackageType() == 'zendextbin') {
                    if ($instbin = $pkg->getInstalledBinary()) {
                        continue; // this will be uninstalled later
                    }
                    foreach ($pkg->getFilelist() as $name => $atts) {
                        $pinfo = pathinfo($atts['installed_as']);
                        if (!isset($pinfo['extension']) ||
                              in_array($pinfo['extension'], array('c', 'h'))) {
                            continue; // make sure we don't match php_blah.h
                        }
                        if ((strpos($pinfo['basename'], 'php_') === 0 &&
                              $pinfo['extension'] == 'dll') ||
                              // most unices
                              $pinfo['extension'] == 'so' ||
                              // hp-ux
                              $pinfo['extension'] == 'sl') {
                            $binaries[] = array($atts['installed_as'], $pinfo);
                            break;
                        }
                    }
                    foreach ($binaries as $pinfo) {
                        PEAR::staticPushErrorHandling(PEAR_ERROR_RETURN);
                        $ret = $this->disableExtension(array($pinfo[0]), $pkg->getPackageType());
                        PEAR::staticPopErrorHandling();
                        if (PEAR::isError($ret)) {
                            $extrainfo[] = $ret->getMessage();
                            if ($pkg->getPackageType() == 'extsrc' ||
                                  $pkg->getPackageType() == 'extbin') {
                                $exttype = 'extension';
                            } else {
                                ob_start();
                                phpinfo(INFO_GENERAL);
                                $info = ob_get_contents();
                                ob_end_clean();
                                $debug = function_exists('leak') ? '_debug' : '';
                                $ts = preg_match('Thread Safety.+enabled', $info) ? '_ts' : '';
                                $exttype = 'zend_extension' . $debug . $ts;
                            }
                            $this->ui->outputData('Unable to remove "' . $exttype . '=' .
                                $pinfo[1]['basename'] . '" from php.ini', $command);
                        } else {
                            $this->ui->outputData('Extension ' . $pkg->getProvidesExtension() .
                                ' disabled in php.ini', $command);
                        }
                    }
                }
                $savepkg = $pkg;
                if ($this->config->get('verbose') > 0) {
                    if (is_object($pkg)) {
                        $pkg = $reg->parsedPackageNameToString($pkg);
                    }
                    $this->ui->outputData("uninstall ok: $pkg", $command);
                }
                if (!isset($options['offline']) && is_object($savepkg) &&
                      defined('PEAR_REMOTEINSTALL_OK')) {
                    if ($this->config->isDefinedLayer('ftp')) {
                        $this->installer->pushErrorHandling(PEAR_ERROR_RETURN);
                        $info = $this->installer->ftpUninstall($savepkg);
                        $this->installer->popErrorHandling();
                        if (PEAR::isError($info)) {
                            $this->ui->outputData($info->getMessage());
                            $this->ui->outputData("remote uninstall failed: $pkg");
                        } else {
                            $this->ui->outputData("remote uninstall ok: $pkg");
                        }
                    }
                }
            } else {
                $this->installer->popErrorHandling();
                if (is_object($pkg)) {
                    $pkg = $reg->parsedPackageNameToString($pkg);
                }
                return $this->raiseError("uninstall failed: $pkg");
            }
        }
        return true;
    }

    // }}}


    // }}}
    // {{{ doBundle()
    /*
    (cox) It just downloads and untars the package, does not do
            any check that the PEAR_Installer::_installFile() does.
    */

    function doBundle($command, $options, $params)
    {
        $downloader = &$this->getDownloader($this->ui, array('force' => true, 'nodeps' => true,
            'soft' => true, 'downloadonly' => true), $this->config);
        $reg = &$this->config->getRegistry();
        if (sizeof($params) < 1) {
            return $this->raiseError("Please supply the package you want to bundle");
        }

        if (isset($options['destination'])) {
            if (!is_dir($options['destination'])) {
                System::mkdir('-p ' . $options['destination']);
            }
            $dest = realpath($options['destination']);
        } else {
            $pwd = getcwd();
            if (is_dir($pwd . DIRECTORY_SEPARATOR . 'ext')) {
                $dest = $pwd . DIRECTORY_SEPARATOR . 'ext';
            } else {
                $dest = $pwd;
            }
        }
        PEAR::staticPushErrorHandling(PEAR_ERROR_RETURN);
        $err = $downloader->setDownloadDir($dest);
        PEAR::staticPopErrorHandling();
        if (PEAR::isError($err)) {
            return PEAR::raiseError('download directory "' . $dest .
                '" is not writeable.');
        }
        $result = &$downloader->download(array($params[0]));
        if (PEAR::isError($result)) {
            return $result;
        }
        $pkgfile = &$result[0]->getPackageFile();
        $pkgname = $pkgfile->getName();
        $pkgversion = $pkgfile->getVersion();

        // Unpacking -------------------------------------------------
        $dest .= DIRECTORY_SEPARATOR . $pkgname;
        $orig = $pkgname . '-' . $pkgversion;

        $tar = &new Archive_Tar($pkgfile->getArchiveFile());
        if (!$tar->extractModify($dest, $orig)) {
            return $this->raiseError('unable to unpack ' . $pkgfile->getArchiveFile());
        }
        $this->ui->outputData("Package ready at '$dest'");
    // }}}
    }

    // }}}

    function doRunScripts($command, $options, $params)
    {
        if (!isset($params[0])) {
            return $this->raiseError('run-scripts expects 1 parameter: a package name');
        }
        $reg = &$this->config->getRegistry();
        PEAR::staticPushErrorHandling(PEAR_ERROR_RETURN);
        $parsed = $reg->parsePackageName($params[0], $this->config->get('default_channel'));
        PEAR::staticPopErrorHandling();
        if (PEAR::isError($parsed)) {
            return $this->raiseError($parsed);
        }
        $package = &$reg->getPackage($parsed['package'], $parsed['channel']);
        if (is_object($package)) {
            $package->setConfig($this->config);
            $package->runPostinstallScripts();
        } else {
            return $this->raiseError('Could not retrieve package "' . $params[0] . '" from registry');
        }
        $this->ui->outputData('Install scripts complete', $command);
        return true;
    }

    /**
     * Given a list of packages, filter out those ones that are already up to date
     *
     * @param $packages: packages, in parsed array format !
     * @return list of packages that can be upgraded
     */
    function _filterUptodatePackages($packages, $command)
    {
        $reg = &$this->config->getRegistry();
        $latestReleases = array();

        $ret = array();
        foreach($packages as $package) {
            if (isset($package['group'])) {
                $ret[] = $package;
                continue;
            }
            $channel = $package['channel'];
            $name = $package['package'];

            if (!$reg->packageExists($name, $channel)) {
                $ret[] = $package;
                continue;
            }
            if (!isset($latestReleases[$channel])) {
                // fill in cache for this channel
                $chan = &$reg->getChannel($channel);
                if (PEAR::isError($chan)) {
                    return $this->raiseError($chan);
                }
                if ($chan->supportsREST($this->config->get('preferred_mirror',
                                                           null, $channel)) &&
                      $base = $chan->getBaseURL('REST1.0',
                                                $this->config->get('preferred_mirror',
                                                                   null, $channel)))
                {
                    $dorest = true;
                } else {
                    $dorest = false;
                    $remote = &$this->config->getRemote($this->config);
                }
                PEAR::staticPushErrorHandling(PEAR_ERROR_RETURN);
                if ($dorest) {
                    $rest = &$this->config->getREST('1.0', array());
                    $installed = array_flip($reg->listPackages($channel));
                    $latest = $rest->listLatestUpgrades($base, 
                        $this->config->get('preferred_state', null, $channel), $installed,
                        $channel, $reg);
                } else {
                    $latest = $remote->call("package.listLatestReleases",
                        $this->config->get('preferred_state', null, $channel));
                    unset($remote);
                }
                PEAR::staticPopErrorHandling();
                if (PEAR::isError($latest)) {
                    $this->ui->outputData('Error getting channel info from ' . $channel .
                        ': ' . $latest->getMessage());
                    continue;
                }

                $latestReleases[$channel] = array_change_key_case($latest);
            }

            // check package for latest release
            if (isset($latestReleases[$channel][strtolower($name)])) {
                // if not set, up to date
                $inst_version = $reg->packageInfo($name, 'version', $channel);
                $channel_version = $latestReleases[$channel][strtolower($name)]['version'];
                if (version_compare($channel_version, $inst_version, "le")) {
                    // installed version is up-to-date
                    continue;
                }
                // maintain BC
                if ($command == 'upgrade-all') {
                    $this->ui->outputData(array('data' => 'Will upgrade ' .
                        $reg->parsedPackageNameToString($package)), $command);
                }
                $ret[] = $package;
            }
        }

        return $ret;
    }

}
?>