Copy migrations with a generator because `rake casino:install:migrati…

…ons` doesn't work from Rails Engine

lib/generators/casino/install/install_generator.rb

@@ -20,7 +20,7 @@ class InstallGenerator < Rails::Generators::Base
     def install_migrations
       return unless options['migration']
 
-      rake 'casino:install:migrations'
+      generate 'casino:migration'
     end
 
     def copy_config_files

lib/generators/casino/migration_generator.rb

@@ -0,0 +1,25 @@
+require 'rails/generators/active_record'
+
+module CASino
+  class MigrationGenerator < ::Rails::Generators::Base
+    include Rails::Generators::Migration
+    source_root File.expand_path('../../../../db/migrate', __FILE__)
+
+    namespace 'casino:migration'
+
+    desc 'Installs CASino migration files.'
+
+    def install
+      source_paths.each do |source_path|
+        Dir["#{source_path}/*.rb"].each do |filename|
+          puts "MIGRATION TEMPLATE: #{File.basename(filename)}"
+          migration_template File.basename(filename), "db/migrate/#{File.basename(filename).sub(/^\d+_/, '')}"
+        end
+      end
+    end
+
+    def self.next_migration_number(dirname)
+      ActiveRecord::Generators::Base.next_migration_number(dirname)
+    end
+  end
+end