branch14 · February 8, 2014 15:44 · Feb 8, 2014
diff --git a/count_conflicts.rb b/count_conflicts.rb
@@ -0,0 +1,60 @@
+#!/usr/bin/env ruby                                                                                       
+#                                                                                                         
+# synopsis                                                                                                
+#                                                                                                         
+#   ruby merge_locales.rb config/locales translations.yml
+
+require 'yaml'
+require 'rubygems'
+require 'highline/import'
+
+::Hash.class_eval do
+  class MergeConflict < StandardError; end
+  def deep_merge(other, &bloc)
+    other.keys.inject(dup) do |result, key|
+      begin
+        case result[key]
+        when Hash
+          if other[key].is_a?(Hash)
+            result[key] = result[key].deep_merge(other[key], &bloc)
+            result
+          else
+            raise MergeConflict
+          end
+        when nil then result.merge key => other[key]
+        else
+          raise MergeConflict
+        end
+      rescue MergeConflict
+        if bloc.nil?
+          result[key] = other[key]
+        else
+          result[key] = bloc.call(result, other, key)
+        end
+        result
+      end
+    end
+  end
+end
+counter = 0
+result = ARGV.inject({}) do |result, path|
+  files = [path] if File.file?(path) && path.match(/\.yml$/)
+  files ||= Dir.glob( File.join(path, '**', '*.yml')).to_a
+  files.inject(result) do |inner_result, file|
+    warn "loading #{file}"
+    yaml = File.open(file) { |yf| YAML::load(yf) }
+    inner_result.deep_merge(yaml) do |res, other, key|
+      if other[key].nil?
+        res[key]
+      elsif res[key] == other[key]
+        res[key]
+      else
+        counter += 1
+      end
+    end
+  end
+end
+
+puts "#{counter} conflicts"
+
+#YAML.dump(result, STDOUT)