Adds support for multiple repositories per project (#779).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@8650 e93f8b46-1217-0410-a6f0-8f06a7374b81

db/migrate/20120115143024_add_repositories_identifier.rb

@@ -0,0 +1,9 @@
+class AddRepositoriesIdentifier < ActiveRecord::Migration
+  def self.up
+    add_column :repositories, :identifier, :string
+  end
+
+  def self.down
+    remove_column :repositories, :identifier
+  end
+end

db/migrate/20120115143100_add_repositories_is_default.rb

@@ -0,0 +1,9 @@
+class AddRepositoriesIsDefault < ActiveRecord::Migration
+  def self.up
+    add_column :repositories, :is_default, :boolean, :default => false
+  end
+
+  def self.down
+    remove_column :repositories, :is_default
+  end
+end

db/migrate/20120115143126_set_default_repositories.rb

@@ -0,0 +1,14 @@
+class SetDefaultRepositories < ActiveRecord::Migration
+  def self.up
+    Repository.update_all(["is_default = ?", false])
+    # Sets the last repository as default in case multiple repositories exist for the same project
+    Repository.connection.select_values("SELECT r.id FROM #{Repository.table_name} r" +
+      " WHERE r.id = (SELECT max(r1.id) FROM #{Repository.table_name} r1 WHERE r1.project_id = r.project_id)").each do |i|
+        Repository.update_all(["is_default = ?", true], ["id = ?", i])
+    end
+  end
+
+  def self.down
+    Repository.update_all(["is_default = ?", false])
+  end
+end