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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Bundle\FrameworkBundle\Command;
use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Exception\InvalidArgumentException;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Console\Style\SymfonyStyle;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Symfony\Component\Filesystem\Exception\IOException;
use Symfony\Component\Filesystem\Filesystem;
use Symfony\Component\Finder\Finder;
use Symfony\Component\HttpKernel\Bundle\BundleInterface;
use Symfony\Component\HttpKernel\KernelInterface;
/**
* Command that places bundle web assets into a given directory.
*
* @author Fabien Potencier <fabien@symfony.com>
* @author Gábor Egyed <gabor.egyed@gmail.com>
*
* @final
*/
class AssetsInstallCommand extends Command
{
const METHOD_COPY = 'copy';
const METHOD_ABSOLUTE_SYMLINK = 'absolute symlink';
const METHOD_RELATIVE_SYMLINK = 'relative symlink';
protected static $defaultName = 'assets:install';
private $filesystem;
private $projectDir;
public function __construct(Filesystem $filesystem, string $projectDir)
{
parent::__construct();
$this->filesystem = $filesystem;
$this->projectDir = $projectDir;
}
/**
* {@inheritdoc}
*/
protected function configure()
{
$this
->setDefinition([
new InputArgument('target', InputArgument::OPTIONAL, 'The target directory', null),
])
->addOption('symlink', null, InputOption::VALUE_NONE, 'Symlinks the assets instead of copying it')
->addOption('relative', null, InputOption::VALUE_NONE, 'Make relative symlinks')
->addOption('no-cleanup', null, InputOption::VALUE_NONE, 'Do not remove the assets of the bundles that no longer exist')
->setDescription('Installs bundles web assets under a public directory')
->setHelp(<<<'EOT'
The <info>%command.name%</info> command installs bundle assets into a given
directory (e.g. the <comment>public</comment> directory).
<info>php %command.full_name% public</info>
A "bundles" directory will be created inside the target directory and the
"Resources/public" directory of each bundle will be copied into it.
To create a symlink to each bundle instead of copying its assets, use the
<info>--symlink</info> option (will fall back to hard copies when symbolic links aren't possible:
<info>php %command.full_name% public --symlink</info>
To make symlink relative, add the <info>--relative</info> option:
<info>php %command.full_name% public --symlink --relative</info>
EOT
)
;
}
/**
* {@inheritdoc}
*/
protected function execute(InputInterface $input, OutputInterface $output)
{
/** @var KernelInterface $kernel */
$kernel = $this->getApplication()->getKernel();
$targetArg = rtrim($input->getArgument('target'), '/');
if (!$targetArg) {
$targetArg = $this->getPublicDirectory($kernel->getContainer());
}
if (!is_dir($targetArg)) {
$targetArg = $kernel->getProjectDir().'/'.$targetArg;
if (!is_dir($targetArg)) {
throw new InvalidArgumentException(sprintf('The target directory "%s" does not exist.', $input->getArgument('target')));
}
}
$bundlesDir = $targetArg.'/bundles/';
$io = new SymfonyStyle($input, $output);
$io->newLine();
if ($input->getOption('relative')) {
$expectedMethod = self::METHOD_RELATIVE_SYMLINK;
$io->text('Trying to install assets as <info>relative symbolic links</info>.');
} elseif ($input->getOption('symlink')) {
$expectedMethod = self::METHOD_ABSOLUTE_SYMLINK;
$io->text('Trying to install assets as <info>absolute symbolic links</info>.');
} else {
$expectedMethod = self::METHOD_COPY;
$io->text('Installing assets as <info>hard copies</info>.');
}
$io->newLine();
$rows = [];
$copyUsed = false;
$exitCode = 0;
$validAssetDirs = [];
/** @var BundleInterface $bundle */
foreach ($kernel->getBundles() as $bundle) {
if (!is_dir($originDir = $bundle->getPath().\DIRECTORY_SEPARATOR.ltrim($bundle->getPublicDir(), '\\/'))) {
continue;
}
$assetDir = preg_replace('/bundle$/', '', strtolower($bundle->getName()));
$targetDir = $bundlesDir.$assetDir;
$validAssetDirs[] = $assetDir;
if (OutputInterface::VERBOSITY_VERBOSE <= $output->getVerbosity()) {
$message = sprintf("%s\n-> %s", $bundle->getName(), $targetDir);
} else {
$message = $bundle->getName();
}
try {
$this->filesystem->remove($targetDir);
if (self::METHOD_RELATIVE_SYMLINK === $expectedMethod) {
$method = $this->relativeSymlinkWithFallback($originDir, $targetDir);
} elseif (self::METHOD_ABSOLUTE_SYMLINK === $expectedMethod) {
$method = $this->absoluteSymlinkWithFallback($originDir, $targetDir);
} else {
$method = $this->hardCopy($originDir, $targetDir);
}
if (self::METHOD_COPY === $method) {
$copyUsed = true;
}
if ($method === $expectedMethod) {
$rows[] = [sprintf('<fg=green;options=bold>%s</>', '\\' === \DIRECTORY_SEPARATOR ? 'OK' : "\xE2\x9C\x94" /* HEAVY CHECK MARK (U+2714) */), $message, $method];
} else {
$rows[] = [sprintf('<fg=yellow;options=bold>%s</>', '\\' === \DIRECTORY_SEPARATOR ? 'WARNING' : '!'), $message, $method];
}
} catch (\Exception $e) {
$exitCode = 1;
$rows[] = [sprintf('<fg=red;options=bold>%s</>', '\\' === \DIRECTORY_SEPARATOR ? 'ERROR' : "\xE2\x9C\x98" /* HEAVY BALLOT X (U+2718) */), $message, $e->getMessage()];
}
}
// remove the assets of the bundles that no longer exist
if (!$input->getOption('no-cleanup') && is_dir($bundlesDir)) {
$dirsToRemove = Finder::create()->depth(0)->directories()->exclude($validAssetDirs)->in($bundlesDir);
$this->filesystem->remove($dirsToRemove);
}
if ($rows) {
$io->table(['', 'Bundle', 'Method / Error'], $rows);
}
if (0 !== $exitCode) {
$io->error('Some errors occurred while installing assets.');
} else {
if ($copyUsed) {
$io->note('Some assets were installed via copy. If you make changes to these assets you have to run this command again.');
}
$io->success($rows ? 'All assets were successfully installed.' : 'No assets were provided by any bundle.');
}
return $exitCode;
}
/**
* Try to create relative symlink.
*
* Falling back to absolute symlink and finally hard copy.
*/
private function relativeSymlinkWithFallback(string $originDir, string $targetDir): string
{
try {
$this->symlink($originDir, $targetDir, true);
$method = self::METHOD_RELATIVE_SYMLINK;
} catch (IOException $e) {
$method = $this->absoluteSymlinkWithFallback($originDir, $targetDir);
}
return $method;
}
/**
* Try to create absolute symlink.
*
* Falling back to hard copy.
*/
private function absoluteSymlinkWithFallback(string $originDir, string $targetDir): string
{
try {
$this->symlink($originDir, $targetDir);
$method = self::METHOD_ABSOLUTE_SYMLINK;
} catch (IOException $e) {
// fall back to copy
$method = $this->hardCopy($originDir, $targetDir);
}
return $method;
}
/**
* Creates symbolic link.
*
* @throws IOException if link can not be created
*/
private function symlink(string $originDir, string $targetDir, bool $relative = false)
{
if ($relative) {
$this->filesystem->mkdir(\dirname($targetDir));
$originDir = $this->filesystem->makePathRelative($originDir, realpath(\dirname($targetDir)));
}
$this->filesystem->symlink($originDir, $targetDir);
if (!file_exists($targetDir)) {
throw new IOException(sprintf('Symbolic link "%s" was created but appears to be broken.', $targetDir), 0, null, $targetDir);
}
}
/**
* Copies origin to target.
*/
private function hardCopy(string $originDir, string $targetDir): string
{
$this->filesystem->mkdir($targetDir, 0777);
// We use a custom iterator to ignore VCS files
$this->filesystem->mirror($originDir, $targetDir, Finder::create()->ignoreDotFiles(false)->in($originDir));
return self::METHOD_COPY;
}
private function getPublicDirectory(ContainerInterface $container): string
{
$defaultPublicDir = 'public';
if (null === $this->projectDir && !$container->hasParameter('kernel.project_dir')) {
return $defaultPublicDir;
}
$composerFilePath = ($this->projectDir ?? $container->getParameter('kernel.project_dir')).'/composer.json';
if (!file_exists($composerFilePath)) {
return $defaultPublicDir;
}
$composerConfig = json_decode(file_get_contents($composerFilePath), true);
if (isset($composerConfig['extra']['public-dir'])) {
return $composerConfig['extra']['public-dir'];
}
return $defaultPublicDir;
}
}
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