Merged r10856 and r10857 from trunk to 2.1-stable (#12409)

scm: git: fix changesets aren't read after clear_changesets call.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/branches/2.1-stable@10858 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/models/repository.rb

@@ -427,5 +427,9 @@ class Repository < ActiveRecord::Base
     connection.delete("DELETE FROM #{ci} WHERE #{ci}.changeset_id IN (SELECT #{cs}.id FROM #{cs} WHERE #{cs}.repository_id = #{id})")
     connection.delete("DELETE FROM #{cp} WHERE #{cp}.changeset_id IN (SELECT #{cs}.id FROM #{cs} WHERE #{cs}.repository_id = #{id})")
     connection.delete("DELETE FROM #{cs} WHERE #{cs}.repository_id = #{id}")
+    clear_extra_info_of_changesets
+  end
+
+  def clear_extra_info_of_changesets
   end
 end