Issue 43602 : Add fish completion

guillaume-a · guillaume-a · commit d90a1f75d91f · 2021-10-21T23:17:48.000+02:00
diff --git a/src/Symfony/Component/Console/Command/CompleteCommand.php b/src/Symfony/Component/Console/Command/CompleteCommand.php
@@ -14,6 +14,7 @@
 use Symfony\Component\Console\Completion\CompletionInput;
 use Symfony\Component\Console\Completion\CompletionSuggestions;
 use Symfony\Component\Console\Completion\Output\BashCompletionOutput;
+use Symfony\Component\Console\Completion\Output\FishCompletionOutput;
 use Symfony\Component\Console\Exception\CommandNotFoundException;
 use Symfony\Component\Console\Exception\ExceptionInterface;
 use Symfony\Component\Console\Input\InputInterface;
@@ -32,6 +33,7 @@ final class CompleteCommand extends Command
 
     private static $completionOutputs = [
         'bash' => BashCompletionOutput::class,
+        'fish' => FishCompletionOutput::class,
     ];
 
     private $isDebug = false;
diff --git a/src/Symfony/Component/Console/Completion/Output/FishCompletionOutput.php b/src/Symfony/Component/Console/Completion/Output/FishCompletionOutput.php
@@ -0,0 +1,32 @@
+<?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\Completion\Output;
+
+use Symfony\Component\Console\Completion\CompletionSuggestions;
+use Symfony\Component\Console\Output\OutputInterface;
+
+/**
+ * @author Guillaume Aveline <guillaume.aveline@pm.me>
+ */
+class FishCompletionOutput implements CompletionOutputInterface
+{
+    public function write(CompletionSuggestions $suggestions, OutputInterface $output): void
+    {
+        $options = [];
+        foreach ($suggestions->getOptionSuggestions() as $option) {
+            $options[] = '--'.$option->getName();
+        }
+        $output->write(implode(\PHP_EOL, $options));
+
+        $output->writeln(implode(\PHP_EOL, $suggestions->getValueSuggestions()));
+    }
+}
diff --git a/src/Symfony/Component/Console/Resources/completion.fish b/src/Symfony/Component/Console/Resources/completion.fish
@@ -0,0 +1,29 @@
+# This file is part of the Symfony package.
+#
+# (c) Fabien Potencier <fabien@symfony.com>
+#
+# For the full copyright and license information, please view
+# https://symfony.com/doc/current/contributing/code/license.html
+
+function _sf_{{ COMMAND_NAME }}
+    set sf_cmd (string split ' ' (commandline))
+    set c (math (count $sf_cmd) - 1)
+
+    set completecmd "$sf_cmd[1]" "_complete" "-sfish" "-S5.4.0-DEV"
+
+    for i in $sf_cmd
+        if [ $i != "" ]
+            set completecmd $completecmd "-i '$i'"
+        end
+    end
+
+    set completecmd $completecmd "-c$c"
+
+    set sfcomplete ($completecmd)
+
+    for i in $sfcomplete
+        echo $i
+    end
+end
+
+complete -c '{{ COMMAND_NAME }}' -a '(_sf_{{ COMMAND_NAME }})' -f
