config.rb in onering-client-0.0.83

- old
+ new

@@ -1,5 +1,6 @@
+require 'set'
 require 'hashlib'
 
 module Onering
   class Config
     class<<self
@@ -19,12 +20,16 @@
           (File.exists?(File.expand_path(i)) rescue false)
         }.reverse
 
       # merge all config files with more-specific values overriding less-specific ones
         @_config ||= DEFAULT_CONFIG
-        @_configfiles.each do |i|
+        @_configfiles_seen ||= Set.new()
+
+      # only load files we haven't seen before
+        (@_configfiles - @_configfiles_seen.to_a).each do |i|
           c = YAML.load(File.read(File.expand_path(i))) rescue {}
           @_config.deep_merge!(c)
+          @_configfiles_seen << i
         end
 
       # settings specified in the library override everything
         @_config.deep_merge!(config.compact) unless config.empty?
 
\ No newline at end of file