feat(mode-dev): composer local

src/Command/LocalCommand.php

+<?php
+
+namespace Spip\Composer\Command;
+
+use Composer\Pcre\Preg;
+use Composer\Util\Platform;
+use Spip\Composer\SpipPaths;
+use Symfony\Component\Console\Attribute\AsCommand;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\StringInput;
+use Symfony\Component\Console\Output\OutputInterface;
+
+#[AsCommand(
+    name: 'spip:local',
+    description: 'Allows running commands in a local context',
+    aliases: ['local', 'l']
+)]
+/**
+ * Inspired by Composer\Command\GlobalCommand
+ * @since 0.6.0
+ */
+class LocalCommand extends AbstractSpipCommand
+{
+    protected function configure(): void
+    {
+        $this
+            ->setDefinition([
+                new InputArgument('command-name', InputArgument::REQUIRED, ''),
+                new InputArgument('args', InputArgument::IS_ARRAY | InputArgument::OPTIONAL, ''),
+            ])
+            ->setHelp(
+                'Use this command as a wrapper to run other Composer commands' .
+                ' within the local context of a ' . SpipPaths::LOCAL_COMPOSER . ' composer file.
+            ');
+    }
+
+    public function run(InputInterface $input, OutputInterface $output): int
+    {
+        $rootDir = $this->getRootDir();
+        $composerFile = $rootDir . '/' . SpipPaths::LOCAL_COMPOSER;
+        if (!\file_exists($composerFile)) {
+            $output->writeln('Creating ' . SpipPaths::LOCAL_COMPOSER . ' ...');
+            \copy($rootDir.'/composer.json', $composerFile);
+        }
+        Platform::putEnv('COMPOSER', SpipPaths::LOCAL_COMPOSER);
+
+        // extract real command name
+        $tokens = Preg::split('{\s+}', $input->__toString());
+        $args = [];
+        foreach ($tokens as $token) {
+            if ($token && $token[0] !== '-') {
+                $args[] = $token;
+                if (count($args) >= 2) {
+                    break;
+                }
+            }
+        }
+
+        // show help for this command if no command was found
+        if (count($args) < 2) {
+            return parent::run($input, $output);
+        }
+
+        // create new input without "local" command prefix
+        $input = new StringInput(Preg::replace('{\bl(?:o(?:c(?:a(?:l)?)?)?)?\b}', '', $input->__toString(), 1));
+
+        $this->getApplication()->resetComposer();
+
+        return $this->getApplication()->run($input, $output);
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function isProxyCommand(): bool
+    {
+        return true;
+    }
+}

src/CommandProvider.php

@@ -3,6 +3,7 @@
 namespace Spip\Composer;
 
 use Composer\Plugin\Capability\CommandProvider as CommandProviderCapability;
+use Spip\Composer\Command\LocalCommand;
 use Spip\Composer\Command\ModeDevCommand;
 
 /**
@@ -16,6 +17,7 @@ class CommandProvider implements CommandProviderCapability
     public function getCommands()
     {
         return [
+            new LocalCommand(),
             new ModeDevCommand(),
         ];
     }