Issue #2574903 by gl2748: Examples should uninstall configuration

migrate_example/config/install/migrate_plus.migration.beer_comment.yml

@@ -39,3 +39,7 @@ migration_dependencies:
   required:
     - beer_node
     - beer_user
+dependencies:
+  enforced:
+    module:
+      - migrate_example

migrate_example/config/install/migrate_plus.migration.beer_node.yml

@@ -47,3 +47,7 @@ migration_dependencies:
   required:
     - beer_term
     - beer_user
+dependencies:
+  enforced:
+    module:
+      - migrate_example

migrate_example/config/install/migrate_plus.migration.beer_term.yml

@@ -76,3 +76,12 @@ process:
 
 # We'll learn more about dependencies in beer_node - here, we leave them empty.
 migration_dependencies: {}
+
+# By default, configuration entities (like this migration) are not automatically
+# removed when the migration which installed them is uninstalled. To have your
+# migrations uninstalled with your migration module, add an enforced dependency
+# on your module.
+dependencies:
+  enforced:
+    module:
+      - migrate_example

migrate_example/config/install/migrate_plus.migration.beer_user.yml

@@ -98,3 +98,11 @@ process:
 #    migration: beer_node
 
 migration_dependencies: {}
+
+# When a module is creating a custom content type it needs to add an 
+# enforced dependency to itself, otherwise the content type will persist
+# after the module is disabled. See: https://www.drupal.org/node/2629516.
+dependencies:
+  enforced:
+    module:
+      - migrate_example

migrate_example/config/install/migrate_plus.migration_group.beer.yml

@@ -28,3 +28,11 @@ shared_configuration:
     # connection to your external database in settings.php and reference its
     # key here.
     key: default
+
+# As with the migration configuration (see beer_term), we add an enforced
+# dependency so the migration_group configuration will be removed on module
+# uninstall.
+dependencies:
+  enforced:
+    module:
+      - migrate_example

migrate_example_advanced/config/install/migrate_plus.migration.wine_role_json.yml

@@ -41,3 +41,7 @@ process:
 destination:
   plugin: entity:user_role
 migration_dependencies: {}
+dependencies:
+  enforced:
+    module:
+      - migrate_example_advanced

migrate_example_advanced/config/install/migrate_plus.migration.wine_role_xml.yml

@@ -45,3 +45,7 @@ process:
 destination:
   plugin: entity:user_role
 migration_dependencies: {}
+dependencies:
+  enforced:
+    module:
+      - migrate_example_advanced

migrate_example_advanced/config/install/migrate_plus.migration.wine_terms.yml

@@ -31,3 +31,7 @@ process:
     source: category_parent
   weight: ordering
 migration_dependencies: {}
+dependencies:
+  enforced:
+    module:
+      - migrate_example_advanced

migrate_example_advanced/config/install/migrate_plus.migration.wine_variety_multi_xml.yml

@@ -63,3 +63,7 @@ destination:
 migration_dependencies:
   required:
     - wine_terms
+dependencies:
+  enforced:
+    module:
+      - migrate_example_advanced

migrate_example_advanced/config/install/migrate_plus.migration_group.wine.yml

@@ -5,3 +5,7 @@ source_type: Custom tables and XML
 shared_configuration:
   source:
     key: default
+dependencies:
+  enforced:
+    module:
+      - migrate_example_advanced