Update to Drupal 8.0.6. For more information, see https://www.drupal.org/drupal-8.0.6-release-notes

core/modules/migrate_drupal/config/schema/migrate_drupal.source.schema.yml

@@ -151,3 +151,42 @@ migrate_entity_constant:
 migrate.source.md_empty:
   type: migrate.source.empty
   label: 'Empty source for migrate_drupal migrations'
+
+migrate.source.i18n_variable:
+  type: migrate_source_sql
+  label: 'i18n Variable'
+  mapping:
+    variables:
+      type: sequence
+      label: 'Variables'
+      sequence:
+        type: string
+        label: 'Variable'
+    constants:
+      type: mapping
+      label: 'Constants'
+      mapping:
+        entity_type:
+          type: string
+          label: 'Entity type'
+        id:
+          type: string
+          label: 'ID'
+        label:
+          type: label
+          label: 'Label'
+        description:
+          type: text
+          label: 'Description'
+        path:
+          type: string
+          label: 'Path'
+        plugin:
+          type: string
+          label: 'Plugin'
+        status:
+          type: boolean
+          label: 'Status'
+        slash:
+          type: string
+          label: 'Slash'

core/modules/migrate_drupal/src/Plugin/migrate/source/d6/i18nVariable.php

@@ -0,0 +1,105 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\migrate_drupal\Plugin\migrate\source\d6\i18nVariable.
+ */
+
+namespace Drupal\migrate_drupal\Plugin\migrate\source\d6;
+
+use Drupal\Core\Entity\EntityManagerInterface;
+use Drupal\Core\State\StateInterface;
+use Drupal\migrate\Entity\MigrationInterface;
+use Drupal\migrate_drupal\Plugin\migrate\source\DrupalSqlBase;
+
+/**
+ * Drupal i18n_variable source from database.
+ *
+ * @MigrateSource(
+ *   id = "i18n_variable"
+ * )
+ */
+class i18nVariable extends DrupalSqlBase {
+
+  /**
+   * The variable names to fetch.
+   *
+   * @var array
+   */
+  protected $variables;
+
+  /**
+   * {@inheritdoc}
+   */
+  public function __construct(array $configuration, $plugin_id, $plugin_definition, MigrationInterface $migration, StateInterface $state, EntityManagerInterface $entity_manager) {
+    parent::__construct($configuration, $plugin_id, $plugin_definition, $migration, $state, $entity_manager);
+    $this->variables = $this->configuration['variables'];
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function initializeIterator() {
+    return new \ArrayIterator($this->values());
+  }
+
+  /**
+   * Return the values of the variables specified in the plugin configuration.
+   *
+   * @return array
+   *   An associative array where the keys are the variables specified in the
+   *   plugin configuration and the values are the values found in the source.
+   *   A key/value pair is added for the language code. Only those values are
+   *   returned that are actually in the database.
+   */
+  protected function values() {
+    $values = [];
+    $result = $this->prepareQuery()->execute()->FetchAllAssoc('language');
+    foreach ($result as $i18n_variable) {
+      $values[]['language'] = $i18n_variable->language;
+    }
+    $result = $this->prepareQuery()->execute()->FetchAll();
+    foreach ($result as $i18n_variable) {
+      foreach ($values as $key => $value) {
+        if ($values[$key]['language'] === $i18n_variable->language) {
+          $values[$key][$i18n_variable->name] = unserialize($i18n_variable->value);
+          break;
+        }
+      }
+    }
+    return $values;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function count() {
+    return $this->initializeIterator()->count();
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function fields() {
+    return array_combine($this->variables, $this->variables);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function query() {
+    return $this->getDatabase()
+      ->select('i18n_variable', 'v')
+      ->fields('v')
+      ->condition('name', (array) $this->configuration['variables'], 'IN');
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getIds() {
+    $ids['language']['type'] = 'string';
+    return $ids;
+  }
+
+}

core/modules/migrate_drupal/tests/fixtures/drupal6.php

@@ -30531,6 +30531,21 @@ $connection->insert('profile_fields')
   'autocomplete' => '1',
   'options' => '',
 ))
+->values(array(
+  'fid' => '13',
+  'title' => 'Blog',
+  'name' => 'profile_blog',
+  'explanation' => 'Paste the full URL, including http://, of your personal blog.',
+  'category' => 'Personal information',
+  'page' => '',
+  'type' => 'url',
+  'weight' => '3',
+  'required' => '0',
+  'register' => '0',
+  'visibility' => '3',
+  'autocomplete' => '0',
+  'options' => '',
+))
 ->values(array(
   'fid' => '14',
   'title' => 'Birthdate',
@@ -30561,21 +30576,6 @@ $connection->insert('profile_fields')
   'autocomplete' => '0',
   'options' => '',
 ))
-->values(array(
-  'fid' => '16',
-  'title' => 'Blog',
-  'name' => 'profile_blog',
-  'explanation' => 'Paste the full URL, including http://, of your personal blog.',
-  'category' => 'Personal information',
-  'page' => '',
-  'type' => 'url',
-  'weight' => '3',
-  'required' => '0',
-  'register' => '0',
-  'visibility' => '3',
-  'autocomplete' => '0',
-  'options' => '',
-))
 ->execute();
 
 $connection->schema()->createTable('profile_values', array(
@@ -34072,7 +34072,7 @@ $connection->insert('vocabulary')
   'help' => '',
   'relations' => '1',
   'hierarchy' => '2',
-  'multiple' => '0',
+  'multiple' => '1',
   'required' => '0',
   'tags' => '0',
   'module' => 'taxonomy',

core/modules/migrate_drupal/tests/src/Unit/source/d6/i18nVariableTest.php

@@ -0,0 +1,66 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\Tests\migrate_drupal\Unit\source\d6\i18nVariableTest.
+ */
+
+namespace Drupal\Tests\migrate_drupal\Unit\source\d6;
+
+use Drupal\Tests\migrate\Unit\MigrateSqlSourceTestCase;
+
+/**
+ * Tests the variable source plugin.
+ *
+ * @group migrate_drupal
+ */
+class i18nVariableTest extends MigrateSqlSourceTestCase {
+
+  // The plugin system is not working during unit testing so the source plugin
+  // class needs to be manually specified.
+  const PLUGIN_CLASS = 'Drupal\migrate_drupal\Plugin\migrate\source\d6\i18nVariable';
+
+  /**
+   * Define bare minimum migration configuration.
+   */
+  protected $migrationConfiguration = [
+    'id' => 'test',
+    'highWaterProperty' => array('field' => 'test'),
+    'source' => [
+      'plugin' => 'i18n_variable',
+      'variables' => [
+        'site_slogan',
+        'site_name',
+      ],
+    ],
+  ];
+
+  /**
+   * Expected results from the source.
+   */
+  protected $expectedResults = [
+    [
+      'language' => 'fr',
+      'site_slogan' => 'Migrate est génial',
+      'site_name' => 'nom de site',
+    ],
+    [
+      'language' => 'mi',
+      'site_slogan' => 'Ko whakamataku heke',
+      'site_name' => 'ingoa_pae',
+    ]
+  ];
+
+  /**
+   * Database contents for tests.
+   */
+  protected $databaseContents = [
+    'i18n_variable' => [
+      array('name' => 'site_slogan', 'language' => 'fr', 'value' => 's:19:"Migrate est génial";'),
+      array('name' => 'site_name', 'language' => 'fr', 'value' => 's:11:"nom de site";'),
+      array('name' => 'site_slogan', 'language' => 'mi', 'value' => 's:19:"Ko whakamataku heke";'),
+      array('name' => 'site_name', 'language' => 'mi', 'value' => 's:9:"ingoa_pae";'),
+    ],
+  ];
+
+}