diff options
Diffstat (limited to 'actionpack/lib/action_dispatch/routing')
-rw-r--r-- | actionpack/lib/action_dispatch/routing/route_set.rb | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/actionpack/lib/action_dispatch/routing/route_set.rb b/actionpack/lib/action_dispatch/routing/route_set.rb index 619dd22ec1..7fb4719fa0 100644 --- a/actionpack/lib/action_dispatch/routing/route_set.rb +++ b/actionpack/lib/action_dispatch/routing/route_set.rb @@ -403,11 +403,19 @@ module ActionDispatch def add_route(app, conditions = {}, requirements = {}, defaults = {}, name = nil, anchor = true) raise ArgumentError, "Invalid route name: '#{name}'" unless name.blank? || name.to_s.match(/^[_a-z]\w*$/i) + if name && named_routes[name] + raise ArgumentError, "Invalid route name, already in use: '#{name}' \n" \ + "You may have defined two routes with the same name using the `:as` option, or " + "you may be overriding a route already defined by a resource with the same naming. " \ + "For the latter, you can restrict the routes created with `resources` as explained here: \n" \ + "http://guides.rubyonrails.org/routing.html#restricting-the-routes-created" + end + path = build_path(conditions.delete(:path_info), requirements, SEPARATORS, anchor) conditions = build_conditions(conditions, path.names.map { |x| x.to_sym }) route = @set.add_route(app, path, conditions, defaults, name) - named_routes[name] = route if name && !named_routes[name] + named_routes[name] = route if name route end |