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File Content: `ValidateCommand.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\Factory;
use Composer\IO\IOInterface;
use Composer\Package\Loader\ValidatingArrayLoader;
use Composer\Plugin\CommandEvent;
use Composer\Plugin\PluginEvents;
use Composer\Repository\InstalledRepository;
use Composer\Repository\PlatformRepository;
use Composer\Util\ConfigValidator;
use Composer\Util\Filesystem;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Output\OutputInterface;

/**
 * ValidateCommand
 *
 * @author Robert Schönthal <seroscho@googlemail.com>
 * @author Jordi Boggiano <j.boggiano@seld.be>
 */
class ValidateCommand extends BaseCommand
{
    /**
     * configure
     * @return void
     */
    protected function configure()
    {
        $this
            ->setName('validate')
            ->setDescription('Validates a composer.json and composer.lock.')
            ->setDefinition(array(
                new InputOption('no-check-all', null, InputOption::VALUE_NONE, 'Do not validate requires for overly strict/loose constraints'),
                new InputOption('check-lock', null, InputOption::VALUE_NONE, 'Check if lock file is up to date (even when config.lock is false)'),
                new InputOption('no-check-lock', null, InputOption::VALUE_NONE, 'Do not check if lock file is up to date'),
                new InputOption('no-check-publish', null, InputOption::VALUE_NONE, 'Do not check for publish errors'),
                new InputOption('no-check-version', null, InputOption::VALUE_NONE, 'Do not report a warning if the version field is present'),
                new InputOption('with-dependencies', 'A', InputOption::VALUE_NONE, 'Also validate the composer.json of all installed dependencies'),
                new InputOption('strict', null, InputOption::VALUE_NONE, 'Return a non-zero exit code for warnings as well as errors'),
                new InputArgument('file', InputArgument::OPTIONAL, 'path to composer.json file'),
            ))
            ->setHelp(
                <<<EOT
The validate command validates a given composer.json and composer.lock

Exit codes in case of errors are:
1 validation warning(s), only when --strict is given
2 validation error(s)
3 file unreadable or missing

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

    /**
     * @return int
     */
    protected function execute(InputInterface $input, OutputInterface $output)
    {
        $file = $input->getArgument('file') ?: Factory::getComposerFile();
        $io = $this->getIO();

        if (!file_exists($file)) {
            $io->writeError('<error>' . $file . ' not found.</error>');

            return 3;
        }
        if (!Filesystem::isReadable($file)) {
            $io->writeError('<error>' . $file . ' is not readable.</error>');

            return 3;
        }

        $validator = new ConfigValidator($io);
        $checkAll = $input->getOption('no-check-all') ? 0 : ValidatingArrayLoader::CHECK_ALL;
        $checkPublish = !$input->getOption('no-check-publish');
        $checkLock = !$input->getOption('no-check-lock');
        $checkVersion = $input->getOption('no-check-version') ? 0 : ConfigValidator::CHECK_VERSION;
        $isStrict = $input->getOption('strict');
        list($errors, $publishErrors, $warnings) = $validator->validate($file, $checkAll, $checkVersion);

        $lockErrors = array();
        $composer = Factory::create($io, $file, $input->hasParameterOption('--no-plugins'));
        // config.lock = false ~= implicit --no-check-lock; --check-lock overrides
        $checkLock = ($checkLock && $composer->getConfig()->get('lock')) || $input->getOption('check-lock');
        $locker = $composer->getLocker();
        if ($locker->isLocked() && !$locker->isFresh()) {
            $lockErrors[] = '- The lock file is not up to date with the latest changes in composer.json, it is recommended that you run `composer update` or `composer update <package name>`.';
        }

        if ($locker->isLocked()) {
            $missingRequirements = false;
            $sets = array(
                array('repo' => $locker->getLockedRepository(false), 'method' => 'getRequires', 'description' => 'Required'),
                array('repo' => $locker->getLockedRepository(true), 'method' => 'getDevRequires', 'description' => 'Required (in require-dev)'),
            );
            foreach ($sets as $set) {
                $installedRepo = new InstalledRepository(array($set['repo']));

                foreach (call_user_func(array($composer->getPackage(), $set['method'])) as $link) {
                    if (PlatformRepository::isPlatformPackage($link->getTarget())) {
                        continue;
                    }
                    if (!$installedRepo->findPackagesWithReplacersAndProviders($link->getTarget(), $link->getConstraint())) {
                        if ($results = $installedRepo->findPackagesWithReplacersAndProviders($link->getTarget())) {
                            $provider = reset($results);
                            $lockErrors[] = '- ' . $set['description'].' package "' . $link->getTarget() . '" is in the lock file as "'.$provider->getPrettyVersion().'" but that does not satisfy your constraint "'.$link->getPrettyConstraint().'".';
                        } else {
                            $lockErrors[] = '- ' . $set['description'].' package "' . $link->getTarget() . '" is not present in the lock file.';
                        }
                        $missingRequirements = true;
                    }
                }
            }

            if ($missingRequirements) {
                $lockErrors[] = 'This usually happens when composer files are incorrectly merged or the composer.json file is manually edited.';
                $lockErrors[] = 'Read more about correctly resolving merge conflicts https://getcomposer.org/doc/articles/resolving-merge-conflicts.md';
                $lockErrors[] = 'and prefer using the "require" command over editing the composer.json file directly https://getcomposer.org/doc/03-cli.md#require';
            }
        }

        $this->outputResult($io, $file, $errors, $warnings, $checkPublish, $publishErrors, $checkLock, $lockErrors, true);

        // $errors include publish and lock errors when exists
        $exitCode = $errors ? 2 : ($isStrict && $warnings ? 1 : 0);

        if ($input->getOption('with-dependencies')) {
            $localRepo = $composer->getRepositoryManager()->getLocalRepository();
            foreach ($localRepo->getPackages() as $package) {
                $path = $composer->getInstallationManager()->getInstallPath($package);
                $file = $path . '/composer.json';
                if (is_dir($path) && file_exists($file)) {
                    list($errors, $publishErrors, $warnings) = $validator->validate($file, $checkAll, $checkVersion);

                    $this->outputResult($io, $package->getPrettyName(), $errors, $warnings, $checkPublish, $publishErrors);

                    // $errors include publish errors when exists
                    $depCode = $errors ? 2 : ($isStrict && $warnings ? 1 : 0);
                    $exitCode = max($depCode, $exitCode);
                }
            }
        }

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

        return max($eventCode, $exitCode);
    }

    /**
     * @param string $name
     * @param string[] $errors
     * @param string[] $warnings
     * @param bool $checkPublish
     * @param string[] $publishErrors
     * @param bool $checkLock
     * @param string[] $lockErrors
     * @param bool $printSchemaUrl
     *
     * @return void
     */
    private function outputResult(IOInterface $io, $name, &$errors, &$warnings, $checkPublish = false, $publishErrors = array(), $checkLock = false, $lockErrors = array(), $printSchemaUrl = false)
    {
        $doPrintSchemaUrl = false;

        if ($errors) {
            $io->writeError('<error>' . $name . ' is invalid, the following errors/warnings were found:</error>');
        } elseif ($publishErrors) {
            $io->writeError('<info>' . $name . ' is valid for simple usage with Composer but has</info>');
            $io->writeError('<info>strict errors that make it unable to be published as a package</info>');
            $doPrintSchemaUrl = $printSchemaUrl;
        } elseif ($warnings) {
            $io->writeError('<info>' . $name . ' is valid, but with a few warnings</info>');
            $doPrintSchemaUrl = $printSchemaUrl;
        } elseif ($lockErrors) {
            $io->write('<info>' . $name . ' is valid but your composer.lock has some '.($checkLock ? 'errors' : 'warnings').'</info>');
        } else {
            $io->write('<info>' . $name . ' is valid</info>');
        }

        if ($doPrintSchemaUrl) {
            $io->writeError('<warning>See https://getcomposer.org/doc/04-schema.md for details on the schema</warning>');
        }

        if ($errors) {
            $errors = array_map(function ($err) {
                return '- ' . $err;
            }, $errors);
            array_unshift($errors, '# General errors');
        }
        if ($warnings) {
            $warnings = array_map(function ($err) {
                return '- ' . $err;
            }, $warnings);
            array_unshift($warnings, '# General warnings');
        }

        // Avoid setting the exit code to 1 in case --strict and --no-check-publish/--no-check-lock are combined
        $extraWarnings = array();

        // If checking publish errors, display them as errors, otherwise just show them as warnings
        if ($publishErrors) {
            $publishErrors = array_map(function ($err) {
                return '- ' . $err;
            }, $publishErrors);

            if ($checkPublish) {
                array_unshift($publishErrors, '# Publish errors');
                $errors = array_merge($errors, $publishErrors);
            } else {
                array_unshift($publishErrors, '# Publish warnings');
                $extraWarnings = array_merge($extraWarnings, $publishErrors);
            }
        }

        // If checking lock errors, display them as errors, otherwise just show them as warnings
        if ($lockErrors) {
            if ($checkLock) {
                array_unshift($lockErrors, '# Lock file errors');
                $errors = array_merge($errors, $lockErrors);
            } else {
                array_unshift($lockErrors, '# Lock file warnings');
                $extraWarnings = array_merge($extraWarnings, $lockErrors);
            }
        }

        $messages = array(
            'error' => $errors,
            'warning' => array_merge($warnings, $extraWarnings),
        );

        foreach ($messages as $style => $msgs) {
            foreach ($msgs as $msg) {
                if (strpos($msg, '#') === 0) {
                    $io->writeError('<' . $style . '>' . $msg . '</' . $style . '>');
                } else {
                    $io->writeError($msg);
                }
            }
        }
    }
}
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: ValidateCommand.php

File Content: `ValidateCommand.php`
