add extract command, add -U option (custom download source

src/SPC/command/ExtractCommand.php

@@ -0,0 +1,35 @@
+<?php
+
+declare(strict_types=1);
+
+namespace SPC\command;
+
+use SPC\builder\traits\UnixSystemUtilTrait;
+use SPC\store\SourceExtractor;
+use Symfony\Component\Console\Attribute\AsCommand;
+use Symfony\Component\Console\Input\InputArgument;
+
+#[AsCommand('extract', 'Extract required sources')]
+class ExtractCommand extends BaseCommand
+{
+    use UnixSystemUtilTrait;
+
+    protected string $php_major_ver;
+
+    public function configure()
+    {
+        $this->addArgument('sources', InputArgument::REQUIRED, 'The sources will be compiled, comma separated');
+    }
+
+    public function handle(): int
+    {
+        $sources = array_map('trim', array_filter(explode(',', $this->getArgument('sources'))));
+        if (empty($sources)) {
+            $this->output->writeln('<erorr>sources cannot be empty, at least contain one !</erorr>');
+            return 1;
+        }
+        SourceExtractor::initSource(sources: $sources);
+        logger()->info('Extract done !');
+        return 0;
+    }
+}