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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\Component\Console\Command;
use Symfony\Component\Console\Attribute\AsCommand;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Output\ConsoleOutputInterface;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Process\Process;
/**
* Dumps the completion script for the current shell.
*
* @author Wouter de Jong <wouter@wouterj.nl>
*/
#[AsCommand(name: 'completion', description: 'Dump the shell completion script')]
final class DumpCompletionCommand extends Command
{
/**
* @deprecated since Symfony 6.1
*/
protected static $defaultName = 'completion';
/**
* @deprecated since Symfony 6.1
*/
protected static $defaultDescription = 'Dump the shell completion script';
private array $supportedShells;
protected function configure()
{
$fullCommand = $_SERVER['PHP_SELF'];
$commandName = basename($fullCommand);
$fullCommand = @realpath($fullCommand) ?: $fullCommand;
$shell = $this->guessShell();
[$rcFile, $completionFile] = match ($shell) {
'fish' => ['~/.config/fish/config.fish', "/etc/fish/completions/$commandName.fish"],
'zsh' => ['~/.zshrc', '$fpath[1]/'.$commandName],
default => ['~/.bashrc', "/etc/bash_completion.d/$commandName"],
};
$this
->setHelp(<<<EOH
The <info>%command.name%</> command dumps the shell completion script required
to use shell autocompletion (currently, bash and fish completion is supported).
<comment>Static installation
-------------------</>
Dump the script to a global completion file and restart your shell:
<info>%command.full_name% {$shell} | sudo tee {$completionFile}</>
Or dump the script to a local file and source it:
<info>%command.full_name% {$shell} > completion.sh</>
<comment># source the file whenever you use the project</>
<info>source completion.sh</>
<comment># or add this line at the end of your "{$rcFile}" file:</>
<info>source /path/to/completion.sh</>
<comment>Dynamic installation
--------------------</>
Add this to the end of your shell configuration file (e.g. <info>"{$rcFile}"</>):
<info>eval "$({$fullCommand} completion {$shell})"</>
EOH
)
->addArgument('shell', InputArgument::OPTIONAL, 'The shell type (e.g. "bash"), the value of the "$SHELL" env var will be used if this is not given', null, $this->getSupportedShells(...))
->addOption('debug', null, InputOption::VALUE_NONE, 'Tail the completion debug log')
;
}
protected function execute(InputInterface $input, OutputInterface $output): int
{
$commandName = basename($_SERVER['argv'][0]);
if ($input->getOption('debug')) {
$this->tailDebugLog($commandName, $output);
return self::SUCCESS;
}
$shell = $input->getArgument('shell') ?? self::guessShell();
$completionFile = __DIR__.'/../Resources/completion.'.$shell;
if (!file_exists($completionFile)) {
$supportedShells = $this->getSupportedShells();
if ($output instanceof ConsoleOutputInterface) {
$output = $output->getErrorOutput();
}
if ($shell) {
$output->writeln(sprintf('<error>Detected shell "%s", which is not supported by Symfony shell completion (supported shells: "%s").</>', $shell, implode('", "', $supportedShells)));
} else {
$output->writeln(sprintf('<error>Shell not detected, Symfony shell completion only supports "%s").</>', implode('", "', $supportedShells)));
}
return self::INVALID;
}
$output->write(str_replace(['{{ COMMAND_NAME }}', '{{ VERSION }}'], [$commandName, CompleteCommand::COMPLETION_API_VERSION], file_get_contents($completionFile)));
return self::SUCCESS;
}
private static function guessShell(): string
{
return basename($_SERVER['SHELL'] ?? '');
}
private function tailDebugLog(string $commandName, OutputInterface $output): void
{
$debugFile = sys_get_temp_dir().'/sf_'.$commandName.'.log';
if (!file_exists($debugFile)) {
touch($debugFile);
}
$process = new Process(['tail', '-f', $debugFile], null, null, null, 0);
$process->run(function (string $type, string $line) use ($output): void {
$output->write($line);
});
}
/**
* @return string[]
*/
private function getSupportedShells(): array
{
return $this->supportedShells ??= array_map(function ($f) {
return pathinfo($f, \PATHINFO_EXTENSION);
}, glob(__DIR__.'/../Resources/completion.*'));
}
}
Mini Shell