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File Content: `RemoveCommand.php`

<?php

/*
 * This file is part of Composer.
 *
 * (c) Nils Adermann <naderman@naderman.de>
 *     Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Composer\Command;

use Composer\Config\JsonConfigSource;
use Composer\DependencyResolver\Request;
use Composer\Filter\PlatformRequirementFilter\PlatformRequirementFilterFactory;
use Composer\Installer;
use Composer\Pcre\Preg;
use Composer\Plugin\CommandEvent;
use Composer\Plugin\PluginEvents;
use Composer\Json\JsonFile;
use Composer\Factory;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Output\OutputInterface;
use Composer\Package\BasePackage;

/**
 * @author Pierre du Plessis <pdples@gmail.com>
 * @author Jordi Boggiano <j.boggiano@seld.be>
 */
class RemoveCommand extends BaseCommand
{
    /**
     * @return void
     */
    protected function configure()
    {
        $this
            ->setName('remove')
            ->setDescription('Removes a package from the require or require-dev.')
            ->setDefinition(array(
                new InputArgument('packages', InputArgument::IS_ARRAY | InputArgument::REQUIRED, 'Packages that should be removed.'),
                new InputOption('dev', null, InputOption::VALUE_NONE, 'Removes a package from the require-dev section.'),
                new InputOption('dry-run', null, InputOption::VALUE_NONE, 'Outputs the operations but will not execute anything (implicitly enables --verbose).'),
                new InputOption('no-progress', null, InputOption::VALUE_NONE, 'Do not output download progress.'),
                new InputOption('no-update', null, InputOption::VALUE_NONE, 'Disables the automatic update of the dependencies (implies --no-install).'),
                new InputOption('no-install', null, InputOption::VALUE_NONE, 'Skip the install step after updating the composer.lock file.'),
                new InputOption('update-no-dev', null, InputOption::VALUE_NONE, 'Run the dependency update with the --no-dev option.'),
                new InputOption('update-with-dependencies', 'w', InputOption::VALUE_NONE, 'Allows inherited dependencies to be updated with explicit dependencies. (Deprecated, is now default behavior)'),
                new InputOption('update-with-all-dependencies', 'W', InputOption::VALUE_NONE, 'Allows all inherited dependencies to be updated, including those that are root requirements.'),
                new InputOption('with-all-dependencies', null, InputOption::VALUE_NONE, 'Alias for --update-with-all-dependencies'),
                new InputOption('no-update-with-dependencies', null, InputOption::VALUE_NONE, 'Does not allow inherited dependencies to be updated with explicit dependencies.'),
                new InputOption('unused', null, InputOption::VALUE_NONE, 'Remove all packages which are locked but not required by any other package.'),
                new InputOption('ignore-platform-req', null, InputOption::VALUE_REQUIRED | InputOption::VALUE_IS_ARRAY, 'Ignore a specific platform requirement (php & ext- packages).'),
                new InputOption('ignore-platform-reqs', null, InputOption::VALUE_NONE, 'Ignore all platform requirements (php & ext- packages).'),
                new InputOption('optimize-autoloader', 'o', InputOption::VALUE_NONE, 'Optimize autoloader during autoloader dump'),
                new InputOption('classmap-authoritative', 'a', InputOption::VALUE_NONE, 'Autoload classes from the classmap only. Implicitly enables `--optimize-autoloader`.'),
                new InputOption('apcu-autoloader', null, InputOption::VALUE_NONE, 'Use APCu to cache found/not-found classes.'),
                new InputOption('apcu-autoloader-prefix', null, InputOption::VALUE_REQUIRED, 'Use a custom prefix for the APCu autoloader cache. Implicitly enables --apcu-autoloader'),
            ))
            ->setHelp(
                <<<EOT
The <info>remove</info> command removes a package from the current
list of installed packages

<info>php composer.phar remove</info>

Read more at https://getcomposer.org/doc/03-cli.md#remove
EOT
            )
        ;
    }

    /**
     * @return void
     */
    protected function interact(InputInterface $input, OutputInterface $output)
    {
        if ($input->getOption('unused')) {
            $composer = $this->getComposer();
            $locker = $composer->getLocker();
            if (!$locker->isLocked()) {
                throw new \UnexpectedValueException('A valid composer.lock file is required to run this command with --unused');
            }

            $lockedPackages = $locker->getLockedRepository()->getPackages();

            $required = array();
            foreach (array_merge($composer->getPackage()->getRequires(), $composer->getPackage()->getDevRequires()) as $link) {
                $required[$link->getTarget()] = true;
            }

            do {
                $found = false;
                foreach ($lockedPackages as $index => $package) {
                    foreach ($package->getNames() as $name) {
                        if (isset($required[$name])) {
                            foreach ($package->getRequires() as $link) {
                                $required[$link->getTarget()] = true;
                            }
                            $found = true;
                            unset($lockedPackages[$index]);
                            break;
                        }
                    }
                }
            } while ($found);

            $unused = array();
            foreach ($lockedPackages as $package) {
                $unused[] = $package->getName();
            }
            $input->setArgument('packages', array_merge($input->getArgument('packages'), $unused));

            if (!$input->getArgument('packages')) {
                $this->getIO()->writeError('<info>No unused packages to remove</info>');
                $this->setCode(function () {
                    return 0;
                });
            }
        }
    }

    /**
     * @return int
     * @throws \Seld\JsonLint\ParsingException
     */
    protected function execute(InputInterface $input, OutputInterface $output)
    {
        $packages = $input->getArgument('packages');
        $packages = array_map('strtolower', $packages);

        $file = Factory::getComposerFile();

        $jsonFile = new JsonFile($file);
        $composer = $jsonFile->read();
        $composerBackup = file_get_contents($jsonFile->getPath());

        $json = new JsonConfigSource($jsonFile);

        $type = $input->getOption('dev') ? 'require-dev' : 'require';
        $altType = !$input->getOption('dev') ? 'require-dev' : 'require';
        $io = $this->getIO();

        if ($input->getOption('update-with-dependencies')) {
            $io->writeError('<warning>You are using the deprecated option "update-with-dependencies". This is now default behaviour. The --no-update-with-dependencies option can be used to remove a package without its dependencies.</warning>');
        }

        // make sure name checks are done case insensitively
        foreach (array('require', 'require-dev') as $linkType) {
            if (isset($composer[$linkType])) {
                foreach ($composer[$linkType] as $name => $version) {
                    $composer[$linkType][strtolower($name)] = $name;
                }
            }
        }

        $dryRun = $input->getOption('dry-run');
        $toRemove = array();
        foreach ($packages as $package) {
            if (isset($composer[$type][$package])) {
                if ($dryRun) {
                    $toRemove[$type][] = $composer[$type][$package];
                } else {
                    $json->removeLink($type, $composer[$type][$package]);
                }
            } elseif (isset($composer[$altType][$package])) {
                $io->writeError('<warning>' . $composer[$altType][$package] . ' could not be found in ' . $type . ' but it is present in ' . $altType . '</warning>');
                if ($io->isInteractive()) {
                    if ($io->askConfirmation('Do you want to remove it from ' . $altType . ' [<comment>yes</comment>]? ')) {
                        if ($dryRun) {
                            $toRemove[$altType][] = $composer[$altType][$package];
                        } else {
                            $json->removeLink($altType, $composer[$altType][$package]);
                        }
                    }
                }
            } elseif (isset($composer[$type]) && $matches = Preg::grep(BasePackage::packageNameToRegexp($package), array_keys($composer[$type]))) {
                foreach ($matches as $matchedPackage) {
                    if ($dryRun) {
                        $toRemove[$type][] = $matchedPackage;
                    } else {
                        $json->removeLink($type, $matchedPackage);
                    }
                }
            } elseif (isset($composer[$altType]) && $matches = Preg::grep(BasePackage::packageNameToRegexp($package), array_keys($composer[$altType]))) {
                foreach ($matches as $matchedPackage) {
                    $io->writeError('<warning>' . $matchedPackage . ' could not be found in ' . $type . ' but it is present in ' . $altType . '</warning>');
                    if ($io->isInteractive()) {
                        if ($io->askConfirmation('Do you want to remove it from ' . $altType . ' [<comment>yes</comment>]? ')) {
                            if ($dryRun) {
                                $toRemove[$altType][] = $matchedPackage;
                            } else {
                                $json->removeLink($altType, $matchedPackage);
                            }
                        }
                    }
                }
            } else {
                $io->writeError('<warning>'.$package.' is not required in your composer.json and has not been removed</warning>');
            }
        }

        $io->writeError('<info>'.$file.' has been updated</info>');

        if ($input->getOption('no-update')) {
            return 0;
        }

        if ($composer = $this->getComposer(false)) {
            $composer->getPluginManager()->deactivateInstalledPlugins();
        }

        // Update packages
        $this->resetComposer();
        $composer = $this->getComposer(true, $input->getOption('no-plugins'), $input->getOption('no-scripts'));

        if ($dryRun) {
            $rootPackage = $composer->getPackage();
            $links = array(
                'require' => $rootPackage->getRequires(),
                'require-dev' => $rootPackage->getDevRequires(),
            );
            foreach ($toRemove as $type => $names) {
                foreach ($names as $name) {
                    unset($links[$type][$name]);
                }
            }
            $rootPackage->setRequires($links['require']);
            $rootPackage->setDevRequires($links['require-dev']);
        }

        $commandEvent = new CommandEvent(PluginEvents::COMMAND, 'remove', $input, $output);
        $composer->getEventDispatcher()->dispatch($commandEvent->getName(), $commandEvent);

        $composer->getInstallationManager()->setOutputProgress(!$input->getOption('no-progress'));

        $install = Installer::create($io, $composer);

        $updateDevMode = !$input->getOption('update-no-dev');
        $optimize = $input->getOption('optimize-autoloader') || $composer->getConfig()->get('optimize-autoloader');
        $authoritative = $input->getOption('classmap-authoritative') || $composer->getConfig()->get('classmap-authoritative');
        $apcuPrefix = $input->getOption('apcu-autoloader-prefix');
        $apcu = $apcuPrefix !== null || $input->getOption('apcu-autoloader') || $composer->getConfig()->get('apcu-autoloader');

        $updateAllowTransitiveDependencies = Request::UPDATE_LISTED_WITH_TRANSITIVE_DEPS_NO_ROOT_REQUIRE;
        $flags = '';
        if ($input->getOption('update-with-all-dependencies') || $input->getOption('with-all-dependencies')) {
            $updateAllowTransitiveDependencies = Request::UPDATE_LISTED_WITH_TRANSITIVE_DEPS;
            $flags .= ' --with-all-dependencies';
        } elseif ($input->getOption('no-update-with-dependencies')) {
            $updateAllowTransitiveDependencies = Request::UPDATE_ONLY_LISTED;
            $flags .= ' --with-dependencies';
        }

        $io->writeError('<info>Running composer update '.implode(' ', $packages).$flags.'</info>');

        $ignorePlatformReqs = $input->getOption('ignore-platform-reqs') ?: ($input->getOption('ignore-platform-req') ?: false);

        $install
            ->setVerbose($input->getOption('verbose'))
            ->setDevMode($updateDevMode)
            ->setOptimizeAutoloader($optimize)
            ->setClassMapAuthoritative($authoritative)
            ->setApcuAutoloader($apcu, $apcuPrefix)
            ->setUpdate(true)
            ->setInstall(!$input->getOption('no-install'))
            ->setUpdateAllowTransitiveDependencies($updateAllowTransitiveDependencies)
            ->setPlatformRequirementFilter(PlatformRequirementFilterFactory::fromBoolOrList($ignorePlatformReqs))
            ->setDryRun($dryRun)
        ;

        // if no lock is present, we do not do a partial update as
        // this is not supported by the Installer
        if ($composer->getLocker()->isLocked()) {
            $install->setUpdateAllowList($packages);
        }

        $status = $install->run();
        if ($status !== 0) {
            $io->writeError("\n".'<error>Removal failed, reverting '.$file.' to its original content.</error>');
            file_put_contents($jsonFile->getPath(), $composerBackup);
        }

        if (!$dryRun) {
            foreach ($packages as $package) {
                if ($composer->getRepositoryManager()->getLocalRepository()->findPackages($package)) {
                    $io->writeError('<error>Removal failed, '.$package.' is still present, it may be required by another package. See `composer why '.$package.'`.</error>');

                    return 2;
                }
            }
        }

        return $status;
    }
}
Name	Size	Permission
AboutCommand.php	1308 bytes	0644
ArchiveCommand.php	7815 bytes	0644
BaseCommand.php	10355 bytes	0644
BaseDependencyCommand.php	9100 bytes	0644
CheckPlatformReqsCommand.php	8009 bytes	0644
ClearCacheCommand.php	2296 bytes	0644
ConfigCommand.php	35185 bytes	0644
CreateProjectCommand.php	24747 bytes	0644
DependsCommand.php	1820 bytes	0644
DiagnoseCommand.php	28887 bytes	0644
DumpAutoloadCommand.php	5285 bytes	0644
ExecCommand.php	3539 bytes	0644
FundCommand.php	5412 bytes	0644
GlobalCommand.php	4007 bytes	0644
HomeCommand.php	5652 bytes	0644
InitCommand.php	45986 bytes	0644
InstallCommand.php	7733 bytes	0644
LicensesCommand.php	7415 bytes	0644
OutdatedCommand.php	5084 bytes	0644
ProhibitsCommand.php	2006 bytes	0644
ReinstallCommand.php	8552 bytes	0644
RemoveCommand.php	14381 bytes	0644
RequireCommand.php	22863 bytes	0644
RunScriptCommand.php	5223 bytes	0644
ScriptAliasCommand.php	2199 bytes	0644
SearchCommand.php	4799 bytes	0644
SelfUpdateCommand.php	26293 bytes	0644
ShowCommand.php	55499 bytes	0644
StatusCommand.php	8495 bytes	0644
SuggestsCommand.php	4081 bytes	0644
UpdateCommand.php	16773 bytes	0644
ValidateCommand.php	11564 bytes	0644
File Content: RemoveCommand.php

File Content: `RemoveCommand.php`
