Merge pull request #2043 from seuros/conf_logger

Tell @kenips if he is using a config.

Changes.md

@@ -3,6 +3,7 @@ HEAD
 
 - Fix typo for generator test file name [dlackty, #2016]
 - Add Sidekiq::Middleware::Chain#prepend [seuros, #2029]
+- Debug: Print the used config file
 
 3.2.6
 -----------

lib/sidekiq/cli.rb

@@ -353,6 +353,7 @@ module Sidekiq
     def parse_config(cfile)
       opts = {}
       if File.exist?(cfile)
+        logger.debug "Using config file: #{cfile}"
         opts = YAML.load(ERB.new(IO.read(cfile)).result) || opts
         opts = opts.merge(opts.delete(environment) || {})
         parse_queues(opts, opts.delete(:queues) || [])