Fixed: RepositoriesController#revision may show wrong revision (#3779).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@2898 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/repositories_controller.rb

@@ -130,7 +130,7 @@ class RepositoriesController < ApplicationController
   end
   
   def revision
-    @changeset = @repository.changesets.find(:first, :conditions => ["revision LIKE ?", @rev + '%'])
+    @changeset = @repository.find_changeset_by_name(@rev)
     raise ChangesetNotFound unless @changeset
 
     respond_to do |format|

app/models/repository.rb

@@ -92,6 +92,11 @@ class Repository < ActiveRecord::Base
     path
   end
   
+  # Finds and returns a revision with a number or the beginning of a hash
+  def find_changeset_by_name(name)
+    changesets.find(:first, :conditions => (name.match(/^\d*$/) ? ["revision = ?", name.to_i] : ["revision LIKE ?", name + '%']))
+  end
+  
   def latest_changeset
     @latest_changeset ||= changesets.find(:first)
   end