Merged r1442, r1443 and r1446 to r1449 from trunk.

git-svn-id: http://redmine.rubyforge.org/svn/branches/0.7-stable@1450 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/models/repository/subversion.rb

@@ -35,6 +35,11 @@ class Repository::Subversion < Repository
     revisions ? changesets.find_all_by_revision(revisions.collect(&:identifier), :order => "committed_on DESC") : []
   end
   
+  # Returns a path relative to the url of the repository
+  def relative_path(path)
+    path.gsub(Regexp.new("^\/?#{Regexp.escape(relative_url)}"), '')
+  end
+  
   def fetch_changesets
     scm_info = scm.info
     if scm_info
@@ -71,4 +76,14 @@ class Repository::Subversion < Repository
       end
     end
   end
+  
+  private
+  
+  # Returns the relative url of the repository
+  # Eg: root_url = file:///var/svn/foo
+  #     url      = file:///var/svn/foo/bar
+  #     => returns /bar
+  def relative_url
+    @relative_url ||= url.gsub(Regexp.new("^#{Regexp.escape(root_url)}"), '')
+  end
 end