ror: "/profile" instead of "/users/1/edit"

edit.html.haml

%h1 edit your profile
- form_for @user, :url => {:action => :update} do |form|
  %div= form.text_field :name
  = error_message_on @user, :name, 'name '

  %div= submit_tag 'save'

routes.rb

ActionController::Routing::Routes.draw do |map|
  map.root :controller => 'tasks'

  map.resources :tasks

  map.with_options :controller => :users do |u|
    u.edit_user '/profile', :action => :edit, :conditions => {:method => :get}
    u.update_user '/profile', :action => :update
  end

  map.connect ':controller/:action/:id'
  map.connect ':controller/:action/:id.:format'
end

sessions_controller.rb

# ...
redirect_to edit_user_url#(@current_user)
# ...

users_controller.rb

class UsersController < ApplicationController
  before_filter :signin_required

  def edit
    @user = User.find(current_user)
  end

  def update
    @user = User.find(current_user)
    if @user.update_attributes(params[:user])
      redirect_to root_path
    else
      render :edit
    end
  end
end