134 lines
4.5 KiB
PHP
134 lines
4.5 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Console\Command;
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use Symfony\Component\Console\Completion\CompletionInput;
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use Symfony\Component\Console\Completion\CompletionSuggestions;
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use Symfony\Component\Console\Input\InputArgument;
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use Symfony\Component\Console\Input\InputInterface;
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use Symfony\Component\Console\Input\InputOption;
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use Symfony\Component\Console\Output\ConsoleOutputInterface;
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use Symfony\Component\Console\Output\OutputInterface;
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use Symfony\Component\Process\Process;
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/**
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* Dumps the completion script for the current shell.
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*
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* @author Wouter de Jong <wouter@wouterj.nl>
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*/
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final class DumpCompletionCommand extends Command
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{
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protected static $defaultName = 'completion';
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protected static $defaultDescription = 'Dump the shell completion script';
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public function complete(CompletionInput $input, CompletionSuggestions $suggestions): void
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{
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if ($input->mustSuggestArgumentValuesFor('shell')) {
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$suggestions->suggestValues($this->getSupportedShells());
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}
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}
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protected function configure()
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{
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$fullCommand = $_SERVER['PHP_SELF'];
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$commandName = basename($fullCommand);
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$fullCommand = @realpath($fullCommand) ?: $fullCommand;
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$this
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->setHelp(<<<EOH
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The <info>%command.name%</> command dumps the shell completion script required
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to use shell autocompletion (currently only bash completion is supported).
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<comment>Static installation
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-------------------</>
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Dump the script to a global completion file and restart your shell:
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<info>%command.full_name% bash | sudo tee /etc/bash_completion.d/{$commandName}</>
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Or dump the script to a local file and source it:
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<info>%command.full_name% bash > completion.sh</>
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<comment># source the file whenever you use the project</>
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<info>source completion.sh</>
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<comment># or add this line at the end of your "~/.bashrc" file:</>
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<info>source /path/to/completion.sh</>
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<comment>Dynamic installation
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--------------------</>
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Add this to the end of your shell configuration file (e.g. <info>"~/.bashrc"</>):
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<info>eval "$({$fullCommand} completion bash)"</>
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EOH
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)
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->addArgument('shell', InputArgument::OPTIONAL, 'The shell type (e.g. "bash"), the value of the "$SHELL" env var will be used if this is not given')
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->addOption('debug', null, InputOption::VALUE_NONE, 'Tail the completion debug log')
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;
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}
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protected function execute(InputInterface $input, OutputInterface $output): int
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{
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$commandName = basename($_SERVER['argv'][0]);
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if ($input->getOption('debug')) {
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$this->tailDebugLog($commandName, $output);
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return self::SUCCESS;
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}
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$shell = $input->getArgument('shell') ?? self::guessShell();
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$completionFile = __DIR__.'/../Resources/completion.'.$shell;
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if (!file_exists($completionFile)) {
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$supportedShells = $this->getSupportedShells();
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($output instanceof ConsoleOutputInterface ? $output->getErrorOutput() : $output)
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->writeln(sprintf('<error>Detected shell "%s", which is not supported by Symfony shell completion (supported shells: "%s").</>', $shell, implode('", "', $supportedShells)));
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return self::INVALID;
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}
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$output->write(str_replace(['{{ COMMAND_NAME }}', '{{ VERSION }}'], [$commandName, $this->getApplication()->getVersion()], file_get_contents($completionFile)));
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return self::SUCCESS;
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}
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private static function guessShell(): string
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{
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return basename($_SERVER['SHELL'] ?? '');
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}
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private function tailDebugLog(string $commandName, OutputInterface $output): void
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{
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$debugFile = sys_get_temp_dir().'/sf_'.$commandName.'.log';
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if (!file_exists($debugFile)) {
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touch($debugFile);
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}
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$process = new Process(['tail', '-f', $debugFile], null, null, null, 0);
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$process->run(function (string $type, string $line) use ($output): void {
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$output->write($line);
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});
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}
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/**
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* @return string[]
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*/
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private function getSupportedShells(): array
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{
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return array_map(function ($f) {
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return pathinfo($f, \PATHINFO_EXTENSION);
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}, glob(__DIR__.'/../Resources/completion.*'));
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}
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}
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