automatically_add_theme.patch

diff --git a/bootstrap.drush.inc b/bootstrap.drush.inc
index 79b9685..22d1f0b 100644
--- a/bootstrap.drush.inc
+++ b/bootstrap.drush.inc
@@ -11,6 +11,7 @@ use Drupal\Component\Serialization\Yaml;
  * Implements hook_drush_command().
  */
 function bootstrap_drush_command() {
+  $items = array();
   $items['bootstrap-generate-docs'] = [
     'description' => dt('Generates markdown documentation for the Drupal based code.'),
     'arguments' => [
@@ -18,6 +19,23 @@ function bootstrap_drush_command() {
     ],
     'aliases' => ['bs-docs'],
   ];
+  $items['bootstrap-sub-theme'] = array(
+    'description' => 'Create a Bootstrap foundation sub-theme',
+    'aliases' => array('bsass'),
+    'arguments' => array(
+      'name'         => 'Your sub-theme name.',
+      'machine_name' => 'A machine-readable name for your theme, optional only  [a-z, 0-9] ',
+    ),
+    'options' => array(
+      'description'  => 'Your sub-theme description.',
+      'machine-name' => '[a-z, 0-9] A machine-readable name for your theme.'
+    ),
+    'examples' => array(
+      'drush bsass "custom theme name"' => 'Create a sub-theme with the default options.',
+      'drush bsass "foo bar" "foo_bar"  --description="My supersweet awesome theme"' => 'Create a sub-theme with additional options.',
+    ),
+  );
+
   return $items;
 }
 
@@ -108,3 +126,81 @@ function _drush_bootstrap_generate_docs_settings(Theme $bootstrap) {
   // Save the generated output to the appropriate file.
   return file_put_contents(realpath($bootstrap->getPath() . '/docs/Theme-Settings.md'), implode("\n", $output)) !== FALSE;
 }
+
+/**
+ * Create a Boostrap sub-theme.
+ */
+function drush_bootstrap_sub_theme($name = NULL, $machine_name = NULL, $description = NULL) {
+  if (empty($name)) {
+    drush_set_error(dt("Please provide a name for the sub-theme.\nUSAGE:\tdrush bsass [name] [machine_name !OPTIONAL] [description !OPTIONAL]\n"));
+    return;
+  }
+  //Filter everything but letters, numbers, underscores, and hyphens
+  $machine_name = !empty($machine_name) ? preg_replace('/[^a-z0-9_-]+/', '', strtolower($machine_name)) : preg_replace('/[^a-z0-9_-]+/', '', strtolower($name));
+  // Eliminate hyphens
+  $machine_name = str_replace('-', '_', $machine_name);
+
+  $bootstrap_path = drush_get_context('DRUSH_DRUPAL_ROOT') . '/' . drupal_get_path('theme', 'bootstrap');
+  $subtheme_path = explode('/', $bootstrap_path);
+  array_pop($subtheme_path);
+  $subtheme_path = implode('/', $subtheme_path) . '/' . $machine_name;
+
+  // Make a fresh copy of the subtheme.
+  $s = drush_copy_dir("$bootstrap_path/starterkits/sass", $subtheme_path);
+  if (empty($s)) {
+    return;
+  }
+
+  // Rename files and fill in the theme machine name
+  drush_op('rename', "$subtheme_path/THEMENAME.starterkit.yml", "$subtheme_path/$machine_name.info.yml");
+  drush_op('rename', "$subtheme_path/THEMENAME.libraries.yml", "$subtheme_path/$machine_name.libraries.yml");
+  drush_op('rename', "$subtheme_path/THEMENAME.theme", "$subtheme_path/$machine_name.theme");
+  drush_op('rename', "$subtheme_path/config/install/THEMENAME.settings.yml", "$subtheme_path/config/install/$machine_name.settings.yml");
+  drush_op('rename', "$subtheme_path/config/schema/THEMENAME.schema.yml", "$subtheme_path/config/schema/$machine_name.schema.yml");
+
+
+  // Change the name of the theme.
+  drush_op('bootstrap_file_str_replace', "$subtheme_path/$machine_name.info.yml", 'THEMETITLE', "$name");
+
+  // Change the name of the theme.
+  if (!empty($description)) {
+    drush_op('bootstrap_file_str_replace', "$subtheme_path/$machine_name.info.yml", 'Custom sub-theme, inherits from the Bootstrap base theme', $description);
+  }
+
+  // Replaces instances of THEMENAME in required files to name of the theme.
+  drush_op('bootstrap_file_str_replace', "$subtheme_path/$machine_name.info.yml", 'THEMENAME', "$machine_name");
+
+  // Replaces instances of THEMENAME in required files to name of the theme.
+  drush_op('bootstrap_file_str_replace', "$subtheme_path/config/install/$machine_name.settings.yml", 'THEMENAME.settings', "$machine_name" . "." . "settings");
+  drush_op('bootstrap_file_str_replace', "$subtheme_path/config/schema/$machine_name.schema.yml", 'THEMETITLE', "$name");
+
+  // Notify user of the newly created theme.
+  drush_print(dt("\n!name sub-theme was created in !path. \n",
+    array(
+      '!name' => $name,
+      '!path' => $subtheme_path,
+    )
+  ));
+  drush_pm_enable_validate($machine_name);
+  drush_pm_enable($machine_name);
+
+}
+
+/**
+ * Internal helper: Replace strings in a file.
+ */
+function bootstrap_file_str_replace($file_path, $find, $replace) {
+  $file_contents = file_get_contents($file_path);
+  $file_contents = str_replace($find, $replace, $file_contents);
+  file_put_contents($file_path, $file_contents);
+}
+
+/**
+ * Implements hook_drush_help().
+ */
+function bootstrap_drush_help($section) {
+  switch ($section) {
+    case 'drush:bootstrap-sub-theme':
+      return dt("Create a Boostrap custom sub-theme.");
+  }
+}
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