scm: mercurial: code clean up model.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@5931 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/models/repository/mercurial.rb

@@ -19,12 +19,15 @@ require 'redmine/scm/adapters/mercurial_adapter'
 
 class Repository::Mercurial < Repository
   # sort changesets by revision number
-  has_many :changesets, :order => "#{Changeset.table_name}.id DESC", :foreign_key => 'repository_id'
+  has_many :changesets,
+           :order       => "#{Changeset.table_name}.id DESC",
+           :foreign_key => 'repository_id'
 
   attr_protected        :root_url
   validates_presence_of :url
 
-  FETCH_AT_ONCE = 100  # number of changesets to fetch at once
+  # number of changesets to fetch at once
+  FETCH_AT_ONCE = 100
 
   def self.human_attribute_name(attribute_key_name)
     attr_name = attribute_key_name
@@ -84,9 +87,11 @@ class Repository::Mercurial < Repository
   # Sqlite3 and PostgreSQL pass.
   # Is this MySQL bug?
   def latest_changesets(path, rev, limit=10)
-    changesets.find(:all, :include => :user,
+    changesets.find(:all,
+                    :include    => :user,
                     :conditions => latest_changesets_cond(path, rev, limit),
-                    :limit => limit, :order => "#{Changeset.table_name}.id DESC")
+                    :limit      => limit,
+                    :order      => "#{Changeset.table_name}.id DESC")
   end
 
   def latest_changesets_cond(path, rev, limit)
@@ -108,7 +113,6 @@ class Repository::Mercurial < Repository
       cond << "#{Changeset.table_name}.id <= ?"
       args << last.id
     end
-
     unless path.blank?
       cond << "EXISTS (SELECT * FROM #{Change.table_name}
                  WHERE #{Change.table_name}.changeset_id = #{Changeset.table_name}.id
@@ -117,7 +121,6 @@ class Repository::Mercurial < Repository
       args << path.with_leading_slash
       args << "#{path.with_leading_slash.gsub(%r{[%_\\]}) { |s| "\\#{s}" }}/%" << '\\'
     end
-
     [cond.join(' AND '), *args] unless cond.empty?
   end
   private :latest_changesets_cond