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-rw-r--r--actionpack/lib/action_view/template/resolver.rb5
1 files changed, 4 insertions, 1 deletions
diff --git a/actionpack/lib/action_view/template/resolver.rb b/actionpack/lib/action_view/template/resolver.rb
index 8ea2e5bfe4..fa2038f78d 100644
--- a/actionpack/lib/action_view/template/resolver.rb
+++ b/actionpack/lib/action_view/template/resolver.rb
@@ -1,5 +1,6 @@
require "pathname"
require "active_support/core_ext/class"
+require "active_support/core_ext/class/attribute_accessors"
require "action_view/template"
module ActionView
@@ -170,7 +171,9 @@ module ActionView
def extract_handler_and_format(path, default_formats)
pieces = File.basename(path).split(".")
pieces.shift
- handler = Template.handler_for_extension(pieces.pop)
+ extension = pieces.pop
+ ActiveSupport::Deprecation.warn "The file #{path} did not specify a template handler. The default is currently ERB, but will change to RAW in the future." unless extension
+ handler = Template.handler_for_extension(extension)
format = pieces.last && Mime[pieces.last]
[handler, format]
end