Bug with Ruby Hash

code.rb

#!/usr/local/bin/ruby -w
translated_files = Hash.new{ |h, k| h[k] = [] }
 
common_dir = "/en"
langs = ['ru', 'uk']
dest_files = ['/en/share/messages/common.properties', '/en/strings/enterprise/service.properties']
 
langs.each do |lang|
  dest_files.each do |file|
    translated_files[lang] << { dest: file }
  end
end
 
translated_files1 = {"ru"=>
  [{:dest=>"/en/share/messages/common.properties"},
   {:dest=>"/en/strings/enterprise/service.properties"}],
 "uk"=>
  [{:dest=>"/en/share/messages/common.properties"},
   {:dest=>"/en/strings/enterprise/service.properties"}]}
 
puts translated_files == translated_files1
 
puts
puts "translated_files"
translated_files.each_pair do |language, files|
  files.each do |file|
    puts file[:dest]
    file[:dest].sub!(common_dir, '')
  end
end
 
puts
puts "translated_files1"
translated_files1.each_pair do |language, files|
  files.each do |file|
    puts file[:dest]
    file[:dest].sub!(common_dir, '')
  end
end

result.txt

$ ruby lolhash.rb 
true

translated_files
/en/share/messages/common.properties
/en/strings/enterprise/service.properties
/share/messages/common.properties
/strings/enterprise/service.properties

translated_files1
/en/share/messages/common.properties
/en/strings/enterprise/service.properties
/en/share/messages/common.properties
/en/strings/enterprise/service.properties