update gem reference

Author: benschermel

utils/redis-copy.rb

@@ -1,27 +1,27 @@
-# keydb-copy.rb - Copyright (C) 2009-2010 Salvatore Sanfilippo
+# redis-copy.rb - Copyright (C) 2009-2010 Salvatore Sanfilippo
 # BSD license, See the COPYING file for more information.
 #
-# Copy the whole dataset from one Redis instance to another one
+# Copy the whole dataset from one KeyDB/Redis instance to another one
 #
 # WARNING: this utility is deprecated and serves as a legacy adapter
-#          for the more-robust keydb-copy gem.
+#          for the more-robust redis-copy gem.
 
 require 'shellwords'
 
 def redisCopy(opts={})
   src = "#{opts[:srchost]}:#{opts[:srcport]}"
   dst = "#{opts[:dsthost]}:#{opts[:dstport]}"
-  `keydb-copy #{src.shellescape} #{dst.shellescape}`
+  `redis-copy #{src.shellescape} #{dst.shellescape}`
 rescue Errno::ENOENT
-  $stderr.puts 'This utility requires the keydb-copy executable',
-               'from the keydb-copy gem on https://rubygems.org',
-               'To install it, run `gem install keydb-copy`.'
+  $stderr.puts 'This utility requires the redis-copy executable',
+               'from the redis-copy gem on https://rubygems.org',
+               'To install it, run `gem install redis-copy`.'
   exit 1
 end
 
-$stderr.puts "This utility is deprecated. Use the keydb-copy gem instead."
+$stderr.puts "This utility is deprecated. Use the redis-copy gem instead."
 if ARGV.length != 4
-    puts "Usage: keydb-copy.rb <srchost> <srcport> <dsthost> <dstport>"
+    puts "Usage: redis-copy.rb <srchost> <srcport> <dsthost> <dstport>"
     exit 1
 end
 puts "WARNING: it's up to you to FLUSHDB the destination host before to continue, press any key when ready."