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<?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\Json\JsonFile;
use Composer\Package\BasePackage;
use Composer\Package\Package;
use Composer\Package\Version\VersionParser;
use Composer\Package\Version\VersionSelector;
use Composer\Repository\CompositeRepository;
use Composer\Repository\PlatformRepository;
use Composer\Repository\RepositoryFactory;
use Composer\Repository\RepositorySet;
use Composer\Util\ProcessExecutor;
use Symfony\Component\Console\Input\ArrayInput;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Process\ExecutableFinder;
use Symfony\Component\Process\Process;
/**
* @author Justin Rainbow <justin.rainbow@gmail.com>
* @author Jordi Boggiano <j.boggiano@seld.be>
*/
class InitCommand extends BaseCommand
{
/** @var CompositeRepository */
protected $repos;
/** @var array */
private $gitConfig;
/** @var RepositorySet[] */
private $repositorySets;
/**
* {@inheritdoc}
*/
protected function configure()
{
$this
->setName('init')
->setDescription('Creates a basic composer.json file in current directory.')
->setDefinition(array(
new InputOption('name', null, InputOption::VALUE_REQUIRED, 'Name of the package'),
new InputOption('description', null, InputOption::VALUE_REQUIRED, 'Description of package'),
new InputOption('author', null, InputOption::VALUE_REQUIRED, 'Author name of package'),
// new InputOption('version', null, InputOption::VALUE_NONE, 'Version of package'),
new InputOption('type', null, InputOption::VALUE_OPTIONAL, 'Type of package (e.g. library, project, metapackage, composer-plugin)'),
new InputOption('homepage', null, InputOption::VALUE_REQUIRED, 'Homepage of package'),
new InputOption('require', null, InputOption::VALUE_IS_ARRAY | InputOption::VALUE_REQUIRED, 'Package to require with a version constraint, e.g. foo/bar:1.0.0 or foo/bar=1.0.0 or "foo/bar 1.0.0"'),
new InputOption('require-dev', null, InputOption::VALUE_IS_ARRAY | InputOption::VALUE_REQUIRED, 'Package to require for development with a version constraint, e.g. foo/bar:1.0.0 or foo/bar=1.0.0 or "foo/bar 1.0.0"'),
new InputOption('stability', 's', InputOption::VALUE_REQUIRED, 'Minimum stability (empty or one of: '.implode(', ', array_keys(BasePackage::$stabilities)).')'),
new InputOption('license', 'l', InputOption::VALUE_REQUIRED, 'License of package'),
new InputOption('repository', null, InputOption::VALUE_REQUIRED | InputOption::VALUE_IS_ARRAY, 'Add custom repositories, either by URL or using JSON arrays'),
))
->setHelp(
<<<EOT
The <info>init</info> command creates a basic composer.json file
in the current directory.
<info>php composer.phar init</info>
Read more at https://getcomposer.org/doc/03-cli.md#init
EOT
)
;
}
/**
* {@inheritdoc}
*/
protected function execute(InputInterface $input, OutputInterface $output)
{
$io = $this->getIO();
$allowlist = array('name', 'description', 'author', 'type', 'homepage', 'require', 'require-dev', 'stability', 'license');
$options = array_filter(array_intersect_key($input->getOptions(), array_flip($allowlist)));
if (isset($options['author'])) {
$options['authors'] = $this->formatAuthors($options['author']);
unset($options['author']);
}
$repositories = $input->getOption('repository');
if ($repositories) {
$config = Factory::createConfig($io);
foreach ($repositories as $repo) {
$options['repositories'][] = RepositoryFactory::configFromString($io, $config, $repo, true);
}
}
if (isset($options['stability'])) {
$options['minimum-stability'] = $options['stability'];
unset($options['stability']);
}
$options['require'] = isset($options['require']) ? $this->formatRequirements($options['require']) : new \stdClass;
if (array() === $options['require']) {
$options['require'] = new \stdClass;
}
if (isset($options['require-dev'])) {
$options['require-dev'] = $this->formatRequirements($options['require-dev']);
if (array() === $options['require-dev']) {
$options['require-dev'] = new \stdClass;
}
}
$file = new JsonFile(Factory::getComposerFile());
$json = JsonFile::encode($options);
if ($input->isInteractive()) {
$io->writeError(array('', $json, ''));
if (!$io->askConfirmation('Do you confirm generation [<comment>yes</comment>]? ')) {
$io->writeError('<error>Command aborted</error>');
return 1;
}
} else {
if (json_encode($options) === '{"require":{}}') {
throw new \RuntimeException('You have to run this command in interactive mode, or specify at least some data using --name, --require, etc.');
}
$io->writeError('Writing composer.json');
}
$file->write($options);
if ($input->isInteractive() && is_dir('.git')) {
$ignoreFile = realpath('.gitignore');
if (false === $ignoreFile) {
$ignoreFile = realpath('.') . '/.gitignore';
}
if (!$this->hasVendorIgnore($ignoreFile)) {
$question = 'Would you like the <info>vendor</info> directory added to your <info>.gitignore</info> [<comment>yes</comment>]? ';
if ($io->askConfirmation($question)) {
$this->addVendorIgnore($ignoreFile);
}
}
}
$question = 'Would you like to install dependencies now [<comment>yes</comment>]? ';
if ($input->isInteractive() && $this->hasDependencies($options) && $io->askConfirmation($question)) {
$this->installDependencies($output);
}
return 0;
}
/**
* {@inheritdoc}
*/
protected function interact(InputInterface $input, OutputInterface $output)
{
$git = $this->getGitConfig();
$io = $this->getIO();
$formatter = $this->getHelperSet()->get('formatter');
// initialize repos if configured
$repositories = $input->getOption('repository');
if ($repositories) {
$config = Factory::createConfig($io);
$repos = array(new PlatformRepository);
$createDefaultPackagistRepo = true;
foreach ($repositories as $repo) {
$repoConfig = RepositoryFactory::configFromString($io, $config, $repo, true);
if (
(isset($repoConfig['packagist']) && $repoConfig === array('packagist' => false))
|| (isset($repoConfig['packagist.org']) && $repoConfig === array('packagist.org' => false))
) {
$createDefaultPackagistRepo = false;
continue;
}
$repos[] = RepositoryFactory::createRepo($io, $config, $repoConfig);
}
if ($createDefaultPackagistRepo) {
$repos[] = RepositoryFactory::createRepo($io, $config, array(
'type' => 'composer',
'url' => 'https://repo.packagist.org',
));
}
$this->repos = new CompositeRepository($repos);
unset($repos, $config, $repositories);
}
$io->writeError(array(
'',
$formatter->formatBlock('Welcome to the Composer config generator', 'bg=blue;fg=white', true),
'',
));
// namespace
$io->writeError(array(
'',
'This command will guide you through creating your composer.json config.',
'',
));
$cwd = realpath(".");
if (!$name = $input->getOption('name')) {
$name = basename($cwd);
$name = preg_replace('{(?:([a-z])([A-Z])|([A-Z])([A-Z][a-z]))}', '\\1\\3-\\2\\4', $name);
$name = strtolower($name);
if (!empty($_SERVER['COMPOSER_DEFAULT_VENDOR'])) {
$name = $_SERVER['COMPOSER_DEFAULT_VENDOR'] . '/' . $name;
} elseif (isset($git['github.user'])) {
$name = $git['github.user'] . '/' . $name;
} elseif (!empty($_SERVER['USERNAME'])) {
$name = $_SERVER['USERNAME'] . '/' . $name;
} elseif (!empty($_SERVER['USER'])) {
$name = $_SERVER['USER'] . '/' . $name;
} elseif (get_current_user()) {
$name = get_current_user() . '/' . $name;
} else {
// package names must be in the format foo/bar
$name .= '/' . $name;
}
$name = strtolower($name);
} else {
if (!preg_match('{^[a-z0-9_.-]+/[a-z0-9_.-]+$}D', $name)) {
throw new \InvalidArgumentException(
'The package name '.$name.' is invalid, it should be lowercase and have a vendor name, a forward slash, and a package name, matching: [a-z0-9_.-]+/[a-z0-9_.-]+'
);
}
}
$name = $io->askAndValidate(
'Package name (<vendor>/<name>) [<comment>'.$name.'</comment>]: ',
function ($value) use ($name) {
if (null === $value) {
return $name;
}
if (!preg_match('{^[a-z0-9_.-]+/[a-z0-9_.-]+$}D', $value)) {
throw new \InvalidArgumentException(
'The package name '.$value.' is invalid, it should be lowercase and have a vendor name, a forward slash, and a package name, matching: [a-z0-9_.-]+/[a-z0-9_.-]+'
);
}
return $value;
},
null,
$name
);
$input->setOption('name', $name);
$description = $input->getOption('description') ?: false;
$description = $io->ask(
'Description [<comment>'.$description.'</comment>]: ',
$description
);
$input->setOption('description', $description);
if (null === $author = $input->getOption('author')) {
if (!empty($_SERVER['COMPOSER_DEFAULT_AUTHOR'])) {
$author_name = $_SERVER['COMPOSER_DEFAULT_AUTHOR'];
} elseif (isset($git['user.name'])) {
$author_name = $git['user.name'];
}
if (!empty($_SERVER['COMPOSER_DEFAULT_EMAIL'])) {
$author_email = $_SERVER['COMPOSER_DEFAULT_EMAIL'];
} elseif (isset($git['user.email'])) {
$author_email = $git['user.email'];
}
if (isset($author_name, $author_email)) {
$author = sprintf('%s <%s>', $author_name, $author_email);
}
}
$self = $this;
$author = $io->askAndValidate(
'Author [<comment>'.$author.'</comment>, n to skip]: ',
function ($value) use ($self, $author) {
if ($value === 'n' || $value === 'no') {
return;
}
$value = $value ?: $author;
$author = $self->parseAuthorString($value);
return sprintf('%s <%s>', $author['name'], $author['email']);
},
null,
$author
);
$input->setOption('author', $author);
$minimumStability = $input->getOption('stability') ?: null;
$minimumStability = $io->askAndValidate(
'Minimum Stability [<comment>'.$minimumStability.'</comment>]: ',
function ($value) use ($minimumStability) {
if (null === $value) {
return $minimumStability;
}
if (!isset(BasePackage::$stabilities[$value])) {
throw new \InvalidArgumentException(
'Invalid minimum stability "'.$value.'". Must be empty or one of: '.
implode(', ', array_keys(BasePackage::$stabilities))
);
}
return $value;
},
null,
$minimumStability
);
$input->setOption('stability', $minimumStability);
$type = $input->getOption('type') ?: false;
$type = $io->ask(
'Package Type (e.g. library, project, metapackage, composer-plugin) [<comment>'.$type.'</comment>]: ',
$type
);
$input->setOption('type', $type);
if (null === $license = $input->getOption('license')) {
if (!empty($_SERVER['COMPOSER_DEFAULT_LICENSE'])) {
$license = $_SERVER['COMPOSER_DEFAULT_LICENSE'];
}
}
$license = $io->ask(
'License [<comment>'.$license.'</comment>]: ',
$license
);
$input->setOption('license', $license);
$io->writeError(array('', 'Define your dependencies.', ''));
// prepare to resolve dependencies
$repos = $this->getRepos();
$preferredStability = $minimumStability ?: 'stable';
$platformRepo = null;
if ($repos instanceof CompositeRepository) {
foreach ($repos->getRepositories() as $candidateRepo) {
if ($candidateRepo instanceof PlatformRepository) {
$platformRepo = $candidateRepo;
break;
}
}
}
$question = 'Would you like to define your dependencies (require) interactively [<comment>yes</comment>]? ';
$require = $input->getOption('require');
$requirements = array();
if ($require || $io->askConfirmation($question)) {
$requirements = $this->determineRequirements($input, $output, $require, $platformRepo, $preferredStability);
}
$input->setOption('require', $requirements);
$question = 'Would you like to define your dev dependencies (require-dev) interactively [<comment>yes</comment>]? ';
$requireDev = $input->getOption('require-dev');
$devRequirements = array();
if ($requireDev || $io->askConfirmation($question)) {
$devRequirements = $this->determineRequirements($input, $output, $requireDev, $platformRepo, $preferredStability);
}
$input->setOption('require-dev', $devRequirements);
}
/**
* @private
* @param string $author
* @return array
*/
public function parseAuthorString($author)
{
if (preg_match('/^(?P<name>[- .,\p{L}\p{N}\p{Mn}\'’"()]+) <(?P<email>.+?)>$/u', $author, $match)) {
if ($this->isValidEmail($match['email'])) {
return array(
'name' => trim($match['name']),
'email' => $match['email'],
);
}
}
throw new \InvalidArgumentException(
'Invalid author string. Must be in the format: '.
'John Smith <john@example.com>'
);
}
protected function findPackages($name)
{
return $this->getRepos()->search($name);
}
protected function getRepos()
{
if (!$this->repos) {
$this->repos = new CompositeRepository(array_merge(
array(new PlatformRepository),
RepositoryFactory::defaultRepos($this->getIO())
));
}
return $this->repos;
}
final protected function determineRequirements(InputInterface $input, OutputInterface $output, $requires = array(), PlatformRepository $platformRepo = null, $preferredStability = 'stable', $checkProvidedVersions = true, $fixed = false)
{
if ($requires) {
$requires = $this->normalizeRequirements($requires);
$result = array();
$io = $this->getIO();
foreach ($requires as $requirement) {
if (!isset($requirement['version'])) {
// determine the best version automatically
list($name, $version) = $this->findBestVersionAndNameForPackage($input, $requirement['name'], $platformRepo, $preferredStability, null, null, $fixed);
$requirement['version'] = $version;
// replace package name from packagist.org
$requirement['name'] = $name;
$io->writeError(sprintf(
'Using version <info>%s</info> for <info>%s</info>',
$requirement['version'],
$requirement['name']
));
} else {
// check that the specified version/constraint exists before we proceed
list($name) = $this->findBestVersionAndNameForPackage($input, $requirement['name'], $platformRepo, $preferredStability, $checkProvidedVersions ? $requirement['version'] : null, 'dev', $fixed);
// replace package name from packagist.org
$requirement['name'] = $name;
}
$result[] = $requirement['name'] . ' ' . $requirement['version'];
}
return $result;
}
$versionParser = new VersionParser();
// Collect existing packages
$composer = $this->getComposer(false);
$installedRepo = $composer ? $composer->getRepositoryManager()->getLocalRepository() : null;
$existingPackages = array();
if ($installedRepo) {
foreach ($installedRepo->getPackages() as $package) {
$existingPackages[] = $package->getName();
}
}
unset($composer, $installedRepo);
$io = $this->getIO();
while (null !== $package = $io->ask('Search for a package: ')) {
$matches = $this->findPackages($package);
if (count($matches)) {
// Remove existing packages from search results.
foreach ($matches as $position => $foundPackage) {
if (in_array($foundPackage['name'], $existingPackages, true)) {
unset($matches[$position]);
}
}
$matches = array_values($matches);
$exactMatch = null;
$choices = array();
foreach ($matches as $position => $foundPackage) {
$abandoned = '';
if (isset($foundPackage['abandoned'])) {
if (is_string($foundPackage['abandoned'])) {
$replacement = sprintf('Use %s instead', $foundPackage['abandoned']);
} else {
$replacement = 'No replacement was suggested';
}
$abandoned = sprintf('<warning>Abandoned. %s.</warning>', $replacement);
}
$choices[] = sprintf(' <info>%5s</info> %s %s', "[$position]", $foundPackage['name'], $abandoned);
if ($foundPackage['name'] === $package) {
$exactMatch = true;
break;
}
}
// no match, prompt which to pick
if (!$exactMatch) {
$io->writeError(array(
'',
sprintf('Found <info>%s</info> packages matching <info>%s</info>', count($matches), $package),
'',
));
$io->writeError($choices);
$io->writeError('');
$validator = function ($selection) use ($matches, $versionParser) {
if ('' === $selection) {
return false;
}
if (is_numeric($selection) && isset($matches[(int) $selection])) {
$package = $matches[(int) $selection];
return $package['name'];
}
if (preg_match('{^\s*(?P<name>[\S/]+)(?:\s+(?P<version>\S+))?\s*$}', $selection, $packageMatches)) {
if (isset($packageMatches['version'])) {
// parsing `acme/example ~2.3`
// validate version constraint
$versionParser->parseConstraints($packageMatches['version']);
return $packageMatches['name'].' '.$packageMatches['version'];
}
// parsing `acme/example`
return $packageMatches['name'];
}
throw new \Exception('Not a valid selection');
};
$package = $io->askAndValidate(
'Enter package # to add, or the complete package name if it is not listed: ',
$validator,
3,
false
);
}
// no constraint yet, determine the best version automatically
if (false !== $package && false === strpos($package, ' ')) {
$validator = function ($input) {
$input = trim($input);
return $input ?: false;
};
$constraint = $io->askAndValidate(
'Enter the version constraint to require (or leave blank to use the latest version): ',
$validator,
3,
false
);
if (false === $constraint) {
list(, $constraint) = $this->findBestVersionAndNameForPackage($input, $package, $platformRepo, $preferredStability);
$io->writeError(sprintf(
'Using version <info>%s</info> for <info>%s</info>',
$constraint,
$package
));
}
$package .= ' '.$constraint;
}
if (false !== $package) {
$requires[] = $package;
$existingPackages[] = substr($package, 0, strpos($package, ' '));
}
}
}
return $requires;
}
protected function formatAuthors($author)
{
return array($this->parseAuthorString($author));
}
protected function getGitConfig()
{
if (null !== $this->gitConfig) {
return $this->gitConfig;
}
$finder = new ExecutableFinder();
$gitBin = $finder->find('git');
// TODO in v3 always call with an array
if (method_exists('Symfony\Component\Process\Process', 'fromShellCommandline')) {
$cmd = new Process(array($gitBin, 'config', '-l'));
} else {
$cmd = new Process(sprintf('%s config -l', ProcessExecutor::escape($gitBin)));
}
$cmd->run();
if ($cmd->isSuccessful()) {
$this->gitConfig = array();
preg_match_all('{^([^=]+)=(.*)$}m', $cmd->getOutput(), $matches, PREG_SET_ORDER);
foreach ($matches as $match) {
$this->gitConfig[$match[1]] = $match[2];
}
return $this->gitConfig;
}
return $this->gitConfig = array();
}
/**
* Checks the local .gitignore file for the Composer vendor directory.
*
* Tested patterns include:
* "/$vendor"
* "$vendor"
* "$vendor/"
* "/$vendor/"
* "/$vendor/*"
* "$vendor/*"
*
* @param string $ignoreFile
* @param string $vendor
*
* @return bool
*/
protected function hasVendorIgnore($ignoreFile, $vendor = 'vendor')
{
if (!file_exists($ignoreFile)) {
return false;
}
$pattern = sprintf('{^/?%s(/\*?)?$}', preg_quote($vendor));
$lines = file($ignoreFile, FILE_IGNORE_NEW_LINES);
foreach ($lines as $line) {
if (preg_match($pattern, $line)) {
return true;
}
}
return false;
}
protected function addVendorIgnore($ignoreFile, $vendor = '/vendor/')
{
$contents = "";
if (file_exists($ignoreFile)) {
$contents = file_get_contents($ignoreFile);
if (strpos($contents, "\n") !== 0) {
$contents .= "\n";
}
}
file_put_contents($ignoreFile, $contents . $vendor. "\n");
}
protected function isValidEmail($email)
{
// assume it's valid if we can't validate it
if (!function_exists('filter_var')) {
return true;
}
// php <5.3.3 has a very broken email validator, so bypass checks
if (PHP_VERSION_ID < 50303) {
return true;
}
return false !== filter_var($email, FILTER_VALIDATE_EMAIL);
}
private function getRepositorySet(InputInterface $input, $minimumStability = null)
{
$key = $minimumStability ?: 'default';
if (!isset($this->repositorySets[$key])) {
$this->repositorySets[$key] = $repositorySet = new RepositorySet($minimumStability ?: $this->getMinimumStability($input));
$repositorySet->addRepository($this->getRepos());
}
return $this->repositorySets[$key];
}
private function getMinimumStability(InputInterface $input)
{
if ($input->hasOption('stability')) {
return VersionParser::normalizeStability($input->getOption('stability') ?: 'stable');
}
$file = Factory::getComposerFile();
if (is_file($file) && is_readable($file) && is_array($composer = json_decode(file_get_contents($file), true))) {
if (!empty($composer['minimum-stability'])) {
return VersionParser::normalizeStability($composer['minimum-stability']);
}
}
return 'stable';
}
/**
* Given a package name, this determines the best version to use in the require key.
*
* This returns a version with the ~ operator prefixed when possible.
*
* @param InputInterface $input
* @param string $name
* @param PlatformRepository|null $platformRepo
* @param string $preferredStability
* @param string|null $requiredVersion
* @param string $minimumStability
* @param bool $fixed
* @throws \InvalidArgumentException
* @return array name version
*/
private function findBestVersionAndNameForPackage(InputInterface $input, $name, PlatformRepository $platformRepo = null, $preferredStability = 'stable', $requiredVersion = null, $minimumStability = null, $fixed = null)
{
// handle ignore-platform-reqs flag if present
$ignorePlatformReqs = false;
if ($input->hasOption('ignore-platform-reqs') && $input->hasOption('ignore-platform-req')) {
$ignorePlatformReqs = $input->getOption('ignore-platform-reqs') ?: ($input->getOption('ignore-platform-req') ?: false);
}
// find the latest version allowed in this repo set
$versionSelector = new VersionSelector($this->getRepositorySet($input, $minimumStability), $platformRepo);
$package = $versionSelector->findBestCandidate($name, $requiredVersion, $preferredStability, $ignorePlatformReqs);
if (!$package) {
// platform packages can not be found in the pool in versions other than the local platform's has
// so if platform reqs are ignored we just take the user's word for it
if ((true === $ignorePlatformReqs || (is_array($ignorePlatformReqs) && in_array($name, $ignorePlatformReqs))) && PlatformRepository::isPlatformPackage($name)) {
return array($name, $requiredVersion ?: '*');
}
// Check whether the PHP version was the problem
if (true !== $ignorePlatformReqs && $versionSelector->findBestCandidate($name, $requiredVersion, $preferredStability, true)) {
throw new \InvalidArgumentException(sprintf(
'Package %s%s has a PHP requirement incompatible with your PHP version, PHP extensions and Composer version',
$name,
$requiredVersion ? ' at version '.$requiredVersion : ''
));
}
// Check whether the minimum stability was the problem but the package exists
if ($package = $versionSelector->findBestCandidate($name, $requiredVersion, $preferredStability, $ignorePlatformReqs, RepositorySet::ALLOW_UNACCEPTABLE_STABILITIES)) {
// we must first verify if a valid package would be found in a lower priority repository
if ($allReposPackage = $versionSelector->findBestCandidate($name, $requiredVersion, $preferredStability, $ignorePlatformReqs, RepositorySet::ALLOW_SHADOWED_REPOSITORIES)) {
throw new \InvalidArgumentException(
'Package '.$name.' exists in '.$allReposPackage->getRepository()->getRepoName().' and '.$package->getRepository()->getRepoName().' which has a higher repository priority. The packages with higher priority do not match your minimum-stability and are therefore not installable. See https://getcomposer.org/repoprio for details and assistance.'
);
}
throw new \InvalidArgumentException(sprintf(
'Could not find a version of package %s matching your minimum-stability (%s). Require it with an explicit version constraint allowing its desired stability.',
$name,
$this->getMinimumStability($input)
));
}
// Check whether the required version was the problem
if ($requiredVersion && $package = $versionSelector->findBestCandidate($name, null, $preferredStability, $ignorePlatformReqs)) {
// we must first verify if a valid package would be found in a lower priority repository
if ($allReposPackage = $versionSelector->findBestCandidate($name, $requiredVersion, $preferredStability, false, RepositorySet::ALLOW_SHADOWED_REPOSITORIES)) {
throw new \InvalidArgumentException(
'Package '.$name.' exists in '.$allReposPackage->getRepository()->getRepoName().' and '.$package->getRepository()->getRepoName().' which has a higher repository priority. The packages with higher priority do not match your constraint and are therefore not installable. See https://getcomposer.org/repoprio for details and assistance.'
);
}
throw new \InvalidArgumentException(sprintf(
'Could not find package %s in a version matching %s',
$name,
$requiredVersion
));
}
// Check whether the PHP version was the problem for all versions
if (true !== $ignorePlatformReqs && $versionSelector->findBestCandidate($name, null, $preferredStability, true)) {
throw new \InvalidArgumentException(sprintf(
'Could not find package %s in any version matching your PHP version, PHP extensions and Composer version',
$name
));
}
// Check for similar names/typos
$similar = $this->findSimilar($name);
if ($similar) {
throw new \InvalidArgumentException(sprintf(
"Could not find package %s.\n\nDid you mean " . (count($similar) > 1 ? 'one of these' : 'this') . "?\n %s",
$name,
implode("\n ", $similar)
));
}
throw new \InvalidArgumentException(sprintf(
'Could not find a matching version of package %s. Check the package spelling, your version constraint and that the package is available in a stability which matches your minimum-stability (%s).',
$name,
$this->getMinimumStability($input)
));
}
return array(
$package->getPrettyName(),
$fixed ? $package->getPrettyVersion() : $versionSelector->findRecommendedRequireVersion($package),
);
}
private function findSimilar($package)
{
try {
$results = $this->repos->search($package);
} catch (\Exception $e) {
// ignore search errors
return array();
}
$similarPackages = array();
$installedRepo = $this->getComposer()->getRepositoryManager()->getLocalRepository();
foreach ($results as $result) {
if ($installedRepo->findPackage($result['name'], '*')) {
// Ignore installed package
continue;
}
$similarPackages[$result['name']] = levenshtein($package, $result['name']);
}
asort($similarPackages);
return array_keys(array_slice($similarPackages, 0, 5));
}
private function installDependencies($output)
{
try {
$installCommand = $this->getApplication()->find('install');
$installCommand->run(new ArrayInput(array()), $output);
} catch (\Exception $e) {
$this->getIO()->writeError('Could not install dependencies. Run `composer install` to see more information.');
}
}
private function hasDependencies($options)
{
$requires = (array) $options['require'];
$devRequires = isset($options['require-dev']) ? (array) $options['require-dev'] : array();
return !empty($requires) || !empty($devRequires);
}
}
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