From a9bf91ea5640ab9ed9d6d7ba9da780ea1dfbd6e3 Mon Sep 17 00:00:00 2001
From: Piotr Sarnacki <drogus@gmail.com>
Date: Sat, 9 Oct 2010 20:15:45 +0200
Subject: Add 'foo:install:migrations' task to copy migrations from foo engine

---
 railties/lib/rails/engine.rb           | 14 ++++++++++++++
 railties/test/railties/shared_tests.rb |  2 +-
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/railties/lib/rails/engine.rb b/railties/lib/rails/engine.rb
index 909840da04..4acebb4769 100644
--- a/railties/lib/rails/engine.rb
+++ b/railties/lib/rails/engine.rb
@@ -522,6 +522,20 @@ module Rails
       # consistently executed after all the initializers above across all engines.
     end
 
+    rake_tasks do
+      next if self.is_a?(Rails::Application)
+
+      namespace railtie_name do
+        namespace :install do
+          desc "Copy migrations from #{railtie_name} to application"
+          task :migrations do
+            ENV["FROM"] = railtie_name
+            Rake::Task["railties:install:migrations"].invoke
+          end
+        end
+      end
+    end
+
   protected
     def routes?
       defined?(@routes)
diff --git a/railties/test/railties/shared_tests.rb b/railties/test/railties/shared_tests.rb
index 7bd65158b4..b1d7580dff 100644
--- a/railties/test/railties/shared_tests.rb
+++ b/railties/test/railties/shared_tests.rb
@@ -43,7 +43,7 @@ module RailtiesTest
       add_to_config "ActiveRecord::Base.timestamped_migrations = false"
 
       Dir.chdir(app_path) do
-        output = `rake railties:install:migrations FROM=bukkits 2>&1`
+        output = `rake bukkits:install:migrations 2>&1`
 
         assert File.exists?("#{app_path}/db/migrate/2_create_users.rb")
         assert File.exists?("#{app_path}/db/migrate/3_add_last_name_to_users.rb")
-- 
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