Implemented support for Plugins to hook into Grav CLI via bin/plugin <plugin-name>

bin/plugin

@@ -0,0 +1,90 @@
+#!/usr/bin/env php
+<?php
+define('GRAV_CLI', true);
+
+if (version_compare($ver = PHP_VERSION, $req = '5.4.0', '<')) {
+    exit(sprintf("You are running PHP %s, but Grav needs at least PHP %s to run.\n", $ver, $req));
+}
+
+if (!file_exists(__DIR__ . '/../vendor')) {
+    require_once __DIR__ . '/../system/src/Grav/Common/Composer.php';
+}
+
+use Grav\Common\Composer;
+
+if (!file_exists(__DIR__ . '/../vendor')) {
+    // Before we can even start, we need to run composer first
+    $composer = Composer::getComposerExecutor();
+    echo "Preparing to install vendor dependencies...\n\n";
+    echo system($composer . ' --working-dir="' . __DIR__ . '/../" --no-interaction --no-dev --prefer-dist -o install');
+    echo "\n\n";
+}
+
+use Symfony\Component\Console\Application;
+use Symfony\Component\Console\Input\ArgvInput;
+use Symfony\Component\Console\Output\ConsoleOutput;
+use Symfony\Component\Console\Formatter\OutputFormatterStyle;
+use Grav\Common\Grav;
+use Grav\Common\Filesystem\Folder;
+
+$autoload = require_once(__DIR__ . '/../vendor/autoload.php');
+
+if (!ini_get('date.timezone')) {
+    date_default_timezone_set('UTC');
+}
+
+if (!file_exists(ROOT_DIR . 'index.php')) {
+    exit('FATAL: Must be run from ROOT directory of Grav!');
+}
+
+$grav = Grav::instance(array('loader' => $autoload));
+$grav['config']->init();
+$grav['streams'];
+$grav['plugins']->init();
+$grav['themes']->init();
+
+$app = new Application('Grav Plugins Commands', GRAV_VERSION);
+
+// get arguments and  strip the application name
+if (null === $argv) {
+    $argv = $_SERVER['argv'];
+}
+
+$bin  = array_shift($argv);
+$name = array_shift($argv);
+$argv = array_merge([$bin], $argv);
+
+$input = new ArgvInput($argv);
+
+$plugin = $grav['plugins']->get($name);
+
+$output = new ConsoleOutput();
+$output->getFormatter()->setStyle('red', new OutputFormatterStyle('red', null, array('bold')));
+$output->getFormatter()->setStyle('white', new OutputFormatterStyle('white', null, array('bold')));
+
+if (!$name) {
+    $output->writeln("<red>A Plugin Name (slug format) is required. Example: <white>'{$bin} error log'</white></red>");
+    exit;
+}
+
+if ($plugin === null) {
+    $output->writeln("<red>Grav Plugin <white>'{$name}'</white> is not installed</red>");
+    exit;
+}
+
+$path = 'plugins://' . $name . '/cli';
+
+try {
+    $commands = Folder::all($path, ['compare' => 'Filename', 'pattern' => '/^([A-Z][a-z]+Command\.php)$/usm']);
+} catch (\RuntimeException $e) {
+    $output->writeln("<red>No Console Commands for <white>'{$name}'</white> where found in <white>'{$path}'</white></red>");
+    exit;
+}
+
+foreach ($commands as $command) {
+    require_once "plugins://{$name}/cli/{$command}";
+    $command = 'Grav\Plugin\Console\\' . preg_replace('/.php$/', '', $command);
+    $app->add(new $command());
+}
+
+$app->run($input);