adding models for schema generate

lib/Cake/Console/Command/SchemaShell.php

@@ -127,7 +127,9 @@ class SchemaShell extends AppShell {
 		$this->out(__d('cake_console', 'Generating Schema...'));
 		$options = array();
 		if ($this->params['force']) {
-			$options = array('models' => false);
+			$options['models'] = false;
+		} elseif (!empty($this->params['models'])) {
+			$options['models'] = String::tokenize($this->params['models']);
 		}
 
 		$snapshot = false;
@@ -464,6 +466,10 @@ class SchemaShell extends AppShell {
 			'short' => 's',
 			'help' => __d('cake_console', 'Snapshot number to use/make.')
 		);
+		$models = array(
+			'short' => 'm',
+			'help' => __d('cake_console', 'Specify models as comma separated list.'),
+		);
 		$dry = array(
 			'help' => __d('cake_console', 'Perform a dry run on create and update commands. Queries will be output instead of run.'),
 			'boolean' => true
@@ -489,7 +495,7 @@ class SchemaShell extends AppShell {
 		))->addSubcommand('generate', array(
 			'help' => __d('cake_console', 'Reads from --connection and writes to --path. Generate snapshots with -s'),
 			'parser' => array(
-				'options' => compact('plugin', 'path', 'file', 'name', 'connection', 'snapshot', 'force'),
+				'options' => compact('plugin', 'path', 'file', 'name', 'connection', 'snapshot', 'force', 'models'),
 				'arguments' => array(
 					'snapshot' => array('help' => __d('cake_console', 'Generate a snapshot.'))
 				)

lib/Cake/Test/Case/Console/Command/SchemaShellTest.php

@@ -363,6 +363,41 @@ class SchemaShellTest extends CakeTestCase {
 	}
 
 /**
+ * test generate with specific models
+ *
+ * @return void
+ */
+	public function testGenerateModels() {
+		App::build(array(
+			'Plugin' => array(CAKE . 'Test' . DS . 'test_app' . DS . 'Plugin' . DS)
+		), App::RESET);
+		CakePlugin::load('TestPlugin');
+
+		$this->db->cacheSources = false;
+		$this->Shell->params = array(
+			'plugin' => 'TestPlugin',
+			'connection' => 'test',
+			'models' => 'TestPluginComment',
+			'force' => false,
+			'overwrite' => true
+		);
+		$this->Shell->startup();
+		$this->Shell->Schema->path = TMP . 'tests' . DS;
+
+		$this->Shell->generate();
+		$this->file = new File(TMP . 'tests' . DS . 'schema.php');
+		$contents = $this->file->read();
+
+		$this->assertRegExp('/class TestPluginSchema/', $contents);
+		$this->assertRegExp('/public \$test_plugin_comments/', $contents);
+		$this->assertNotRegExp('/public \$authors/', $contents);
+		$this->assertNotRegExp('/public \$auth_users/', $contents);
+		$this->assertNotRegExp('/public \$posts/', $contents);
+		CakePlugin::unload();
+	}
+
+
+/**
  * Test schema run create with no table args.
  *
  * @return void