Ruby client lib updated to the latest git version

client-libraries/ruby/Rakefile

@@ -9,7 +9,7 @@ require 'tasks/redis.tasks'
 GEM = 'redis'
 GEM_NAME = 'redis'
 GEM_VERSION = '0.1'
-AUTHORS = ['Ezra Zygmuntowicz', 'Taylor Weibley', 'Matthew Clark']
+AUTHORS = ['Ezra Zygmuntowicz', 'Taylor Weibley', 'Matthew Clark', 'Brian McKinney', 'Salvatore Sanfilippo', 'Luca Guidi']
 EMAIL = "ez@engineyard.com"
 HOMEPAGE = "http://github.com/ezmobius/redis-rb"
 SUMMARY = "Ruby client library for redis key value storage server"
@@ -28,7 +28,7 @@ spec = Gem::Specification.new do |s|
   s.add_dependency "rspec"
   s.require_path = 'lib'
   s.autorequire = GEM
-  s.files = %w(LICENSE README.markdown Rakefile) + Dir.glob("{lib,spec}/**/*")
+  s.files = %w(LICENSE README.markdown Rakefile) + Dir.glob("{lib,tasks,spec}/**/*")
 end
 
 task :default => :spec

client-libraries/ruby/examples/test_server.rb

-require 'socket'
-require 'pp'
-require File.join(File.dirname(__FILE__), '../lib/redis')
-
-#require File.join(File.dirname(__FILE__), '../lib/server')
-
-
-#r = Redis.new
-#loop do
-
-#    puts "--------------------------------------"
-#  sleep 12
-#end
\ No newline at end of file

client-libraries/ruby/lib/dist_redis.rb

@@ -4,32 +4,30 @@ class DistRedis
   attr_reader :ring
   def initialize(opts={})
     hosts = []
-    
+
     db = opts[:db] || nil
-    timeout = opts[:timeout] || nil 
+    timeout = opts[:timeout] || nil
 
     raise Error, "No hosts given" unless opts[:hosts]
 
     opts[:hosts].each do |h|
       host, port = h.split(':')
-      hosts << Redis.new(:host => host, :port => port, :db => db, :timeout => timeout, :db => db)
+      hosts << Redis.new(:host => host, :port => port, :db => db, :timeout => timeout)
     end
 
-    @ring = HashRing.new hosts 
+    @ring = HashRing.new hosts
   end
-  
+
   def node_for_key(key)
-    if key =~ /\{(.*)?\}/
-      key = $1
-    end
+    key = $1 if key =~ /\{(.*)?\}/
     @ring.get_node(key)
   end
-  
+
   def add_server(server)
     server, port = server.split(':')
     @ring.add_node Redis.new(:host => server, :port => port)
   end
-  
+
   def method_missing(sym, *args, &blk)
     if redis = node_for_key(args.first.to_s)
       redis.send sym, *args, &blk
@@ -37,41 +35,49 @@ class DistRedis
       super
     end
   end
-  
+
   def keys(glob)
-    keyz = []
-    @ring.nodes.each do |red|
-      keyz.concat red.keys(glob)
+    @ring.nodes.map do |red|
+      red.keys(glob)
     end
-    keyz
   end
-  
+
   def save
-    @ring.nodes.each do |red|
-      red.save
-    end
+    on_each_node :save
   end
-  
+
   def bgsave
-    @ring.nodes.each do |red|
-      red.bgsave
-    end
+    on_each_node :bgsave
   end
-  
+
   def quit
-    @ring.nodes.each do |red|
-      red.quit
-    end
+    on_each_node :quit
+  end
+
+  def flush_all
+    on_each_node :flush_all
+  end
+  alias_method :flushall, :flush_all
+
+  def flush_db
+    on_each_node :flush_db
   end
-  
+  alias_method :flushdb, :flush_db
+
   def delete_cloud!
     @ring.nodes.each do |red|
       red.keys("*").each do |key|
         red.delete key
-      end  
+      end
     end
   end
-  
+
+  def on_each_node(command, *args)
+    @ring.nodes.each do |red|
+      red.send(command, *args)
+    end
+  end
+
 end
 
 
@@ -94,21 +100,21 @@ r = DistRedis.new 'localhost:6379', 'localhost:6380', 'localhost:6381', 'localho
   p r['urdad2']
   p r['urmom3']
   p r['urdad3']
-  
+
   r.push_tail 'listor', 'foo1'
   r.push_tail 'listor', 'foo2'
   r.push_tail 'listor', 'foo3'
   r.push_tail 'listor', 'foo4'
   r.push_tail 'listor', 'foo5'
-  
+
   p r.pop_tail('listor')
   p r.pop_tail('listor')
   p r.pop_tail('listor')
   p r.pop_tail('listor')
   p r.pop_tail('listor')
-  
+
   puts "key distribution:"
-  
+
   r.ring.nodes.each do |red|
     p [red.port, red.keys("*")]
   end

client-libraries/ruby/lib/hash_ring.rb

@@ -31,8 +31,9 @@ class HashRing
   end
   
   def remove_node(node)
+    @nodes.reject!{|n| n.to_s == node.to_s}
     @replicas.times do |i|
-      key = Zlib.crc32("#{node}:#{count}")
+      key = Zlib.crc32("#{node}:#{i}")
       @ring.delete(key)
       @sorted_keys.reject! {|k| k == key}
     end

client-libraries/ruby/lib/redis.rb

@@ -36,7 +36,7 @@ class Redis
     "smove"     => true
   }
 
-  BOOLEAN_PROCESSOR = lambda{|r| r == 0 ? false : r}
+  BOOLEAN_PROCESSOR = lambda{|r| r == 1 }
 
   REPLY_PROCESSOR = {
     "exists"    => BOOLEAN_PROCESSOR,
@@ -95,21 +95,34 @@ class Redis
     "type?"                => "type"
   }
 
+  DISABLED_COMMANDS = {
+    "monitor" => true,
+    "sync"    => true
+  }
+
   def initialize(options = {})
     @host    =  options[:host]    || '127.0.0.1'
     @port    = (options[:port]    || 6379).to_i
     @db      = (options[:db]      || 0).to_i
     @timeout = (options[:timeout] || 5).to_i
-    $debug   =  options[:debug]
+    @password = options[:password]
+    @logger  =  options[:logger]
+
+    @logger.info { self.to_s } if @logger
     connect_to_server
   end
 
   def to_s
-    "Redis Client connected to #{@host}:#{@port} against DB #{@db}"
+    "Redis Client connected to #{server} against DB #{@db}"
+  end
+
+  def server
+    "#{@host}:#{@port}"
   end
 
   def connect_to_server
     @sock = connect_to(@host, @port, @timeout == 0 ? nil : @timeout)
+    call_command(["auth",@password]) if @password
     call_command(["select",@db]) unless @db == 0
   end
 
@@ -147,15 +160,18 @@ class Redis
   end
 
   def call_command(argv)
-    puts argv.inspect if $debug
+    @logger.debug { argv.inspect } if @logger
+
     # this wrapper to raw_call_command handle reconnection on socket
     # error. We try to reconnect just one time, otherwise let the error
     # araise.
     connect_to_server if !@sock
+
     begin
       raw_call_command(argv.dup)
     rescue Errno::ECONNRESET, Errno::EPIPE
       @sock.close
+      @sock = nil
       connect_to_server
       raw_call_command(argv.dup)
     end
@@ -176,12 +192,13 @@ class Redis
       bulk = nil
       argv[0] = argv[0].to_s.downcase
       argv[0] = ALIASES[argv[0]] if ALIASES[argv[0]]
+      raise "#{argv[0]} command is disabled" if DISABLED_COMMANDS[argv[0]]
       if BULK_COMMANDS[argv[0]] and argv.length > 1
         bulk = argv[-1].to_s
-        argv[-1] = bulk.length
+        argv[-1] = bulk.respond_to?(:bytesize) ? bulk.bytesize : bulk.size
       end
-      command << argv.join(' ') + "\r\n"
-      command << bulk + "\r\n" if bulk
+      command << "#{argv.join(' ')}\r\n"
+      command << "#{bulk}\r\n" if bulk
     end
 
     @sock.write(command)
@@ -199,7 +216,7 @@ class Redis
   end
 
   def [](key)
-    get(key)
+    self.get(key)
   end
 
   def []=(key,value)
@@ -213,8 +230,8 @@ class Redis
   end
 
   def sort(key, options = {})
-    cmd = []
-    cmd << "SORT #{key}"
+    cmd = ["SORT"]
+    cmd << key
     cmd << "BY #{options[:by]}" if options[:by]
     cmd << "GET #{[options[:get]].flatten * ' GET '}" if options[:get]
     cmd << "#{options[:order]}" if options[:order]
@@ -230,6 +247,15 @@ class Redis
     call_command(decrement ? ["decrby",key,decrement] : ["decr",key])
   end
 
+  # Similar to memcache.rb's #get_multi, returns a hash mapping
+  # keys to values.
+  def mapped_mget(*keys)
+    mget(*keys).inject({}) do |hash, value|
+      key = keys.shift
+      value.nil? ? hash : hash.merge(key => value)
+    end
+  end
+
   # Ruby defines a now deprecated type method so we need to override it here
   # since it will never hit method_missing
   def type(key)

client-libraries/ruby/redis-rb.gemspec

@@ -2,18 +2,18 @@
 
 Gem::Specification.new do |s|
   s.name = %q{redis}
-  s.version = "0.0.5"
+  s.version = "0.1"
 
   s.required_rubygems_version = Gem::Requirement.new(">= 0") if s.respond_to? :required_rubygems_version=
-  s.authors = ["Ezra Zygmuntowicz", "Taylor Weibley", "Matthew Clark"]
-  #s.autorequire = %q{redis}
-  s.date = %q{2009-03-31}
+  s.authors = ["Ezra Zygmuntowicz", "Taylor Weibley", "Matthew Clark", "Brian McKinney", "Salvatore Sanfilippo", "Luca Guidi"]
+  # s.autorequire = %q{redis-rb}
+  s.date = %q{2009-06-23}
   s.description = %q{Ruby client library for redis key value storage server}
   s.email = %q{ez@engineyard.com}
   s.extra_rdoc_files = ["LICENSE"]
-  s.files = ["LICENSE", "README.markdown", "Rakefile", "lib/redis.rb", "lib/dist_redis.rb", "lib/hash_ring.rb", "lib/pipeline.rb", "lib/server.rb", "spec/redis_spec.rb", "spec/spec_helper.rb"]
+  s.files = ["LICENSE", "README.markdown", "Rakefile", "lib/dist_redis.rb", "lib/hash_ring.rb", "lib/pipeline.rb", "lib/redis.rb", "spec/redis_spec.rb", "spec/spec_helper.rb"]
   s.has_rdoc = true
-  s.homepage = %q{http://github.com/winescout/redis-rb}
+  s.homepage = %q{http://github.com/ezmobius/redis-rb}
   s.require_paths = ["lib"]
   s.rubygems_version = %q{1.3.1}
   s.summary = %q{Ruby client library for redis key value storage server}

client-libraries/ruby/spec/redis_spec.rb

 require File.dirname(__FILE__) + '/spec_helper'
+require 'logger'
 
 class Foo
   attr_accessor :bar
   def initialize(bar)
     @bar = bar
   end
-  
+
   def ==(other)
     @bar == other.bar
   end
-end  
+end
 
 describe "redis" do
   before(:all) do
@@ -23,34 +24,41 @@ describe "redis" do
 
   after(:each) do
     @r.keys('*').each {|k| @r.del k}
-  end  
+  end
 
   after(:all) do
     @r.quit
-  end  
+  end
 
   it "should be able connect without a timeout" do
     lambda { Redis.new :timeout => 0 }.should_not raise_error
   end
 
+  it "should be able to provide a logger" do
+    log = StringIO.new
+    r = Redis.new :db => 15, :logger => Logger.new(log)
+    r.ping
+    log.string.should include("ping")
+  end
+
   it "should be able to PING" do
-    @r.ping.should == 'PONG' 
+    @r.ping.should == 'PONG'
   end
 
   it "should be able to GET a key" do
     @r['foo'].should == 'bar'
   end
-  
+
   it "should be able to SET a key" do
     @r['foo'] = 'nik'
     @r['foo'].should == 'nik'
   end
-  
+
   it "should properly handle trailing newline characters" do
     @r['foo'] = "bar\n"
     @r['foo'].should == "bar\n"
   end
-  
+
   it "should store and retrieve all possible characters at the beginning and the end of a string" do
     (0..255).each do |char_idx|
       string = "#{char_idx.chr}---#{char_idx.chr}"
@@ -58,7 +66,7 @@ describe "redis" do
       @r['foo'].should == string
     end
   end
-  
+
   it "should be able to SET a key with an expiry" do
     @r.set('foo', 'bar', 1)
     @r['foo'].should == 'bar'
@@ -82,7 +90,7 @@ describe "redis" do
    @r.getset('foo', 'baz').should == 'bar'
    @r['foo'].should == 'baz'
   end
-  # 
+  #
   it "should be able to INCR a key" do
     @r.del('counter')
     @r.incr('counter').should == 1
@@ -105,11 +113,11 @@ describe "redis" do
     @r.decr('counter').should == 2
     @r.decr('counter', 2).should == 0
   end
-  # 
+  #
   it "should be able to RANDKEY" do
     @r.randkey.should_not be_nil
   end
-  # 
+  #
   it "should be able to RENAME a key" do
     @r.del 'foo'
     @r.del'bar'
@@ -117,7 +125,7 @@ describe "redis" do
     @r.rename 'foo', 'bar'
     @r['bar'].should == 'hi'
   end
-  # 
+  #
   it "should be able to RENAMENX a key" do
     @r.del 'foo'
     @r.del 'bar'
@@ -150,7 +158,7 @@ describe "redis" do
     @r.del 'foo'
     @r.exists('foo').should be_false
   end
-  # 
+  #
   it "should be able to KEYS" do
     @r.keys("f*").each { |key| @r.del key }
     @r['f'] = 'nik'
@@ -162,14 +170,14 @@ describe "redis" do
   it "should be able to return a random key (RANDOMKEY)" do
     3.times { @r.exists(@r.randomkey).should be_true }
   end
-  #BTM - TODO 
+  #
   it "should be able to check the TYPE of a key" do
     @r['foo'] = 'nik'
     @r.type('foo').should == "string"
     @r.del 'foo'
     @r.type('foo').should == "none"
   end
-  # 
+  #
   it "should be able to push to the head of a list (LPUSH)" do
     @r.lpush "list", 'hello'
     @r.lpush "list", 42
@@ -177,13 +185,13 @@ describe "redis" do
     @r.llen('list').should == 2
     @r.lpop('list').should == '42'
   end
-  # 
+  #
   it "should be able to push to the tail of a list (RPUSH)" do
     @r.rpush "list", 'hello'
     @r.type('list').should == "list"
     @r.llen('list').should == 1
   end
-  # 
+  #
   it "should be able to pop the tail of a list (RPOP)" do
     @r.rpush "list", 'hello'
     @r.rpush"list", 'goodbye'
@@ -191,7 +199,7 @@ describe "redis" do
     @r.llen('list').should == 2
     @r.rpop('list').should == 'goodbye'
   end
-  # 
+  #
   it "should be able to pop the head of a list (LPOP)" do
     @r.rpush "list", 'hello'
     @r.rpush "list", 'goodbye'
@@ -199,14 +207,14 @@ describe "redis" do
     @r.llen('list').should == 2
     @r.lpop('list').should == 'hello'
   end
-  # 
+  #
   it "should be able to get the length of a list (LLEN)" do
     @r.rpush "list", 'hello'
     @r.rpush "list", 'goodbye'
     @r.type('list').should == "list"
     @r.llen('list').should == 2
   end
-  # 
+  #
   it "should be able to get a range of values from a list (LRANGE)" do
     @r.rpush "list", 'hello'
     @r.rpush "list", 'goodbye'
@@ -217,7 +225,7 @@ describe "redis" do
     @r.llen('list').should == 5
     @r.lrange('list', 2, -1).should == ['1', '2', '3']
   end
-  # 
+  #
   it "should be able to trim a list (LTRIM)" do
     @r.rpush "list", 'hello'
     @r.rpush "list", 'goodbye'
@@ -230,7 +238,7 @@ describe "redis" do
     @r.llen('list').should == 2
     @r.lrange('list', 0, -1).should == ['hello', 'goodbye']
   end
-  # 
+  #
   it "should be able to get a value by indexing into a list (LINDEX)" do
     @r.rpush "list", 'hello'
     @r.rpush "list", 'goodbye'
@@ -238,7 +246,7 @@ describe "redis" do
     @r.llen('list').should == 2
     @r.lindex('list', 1).should == 'goodbye'
   end
-  # 
+  #
   it "should be able to set a value by indexing into a list (LSET)" do
     @r.rpush "list", 'hello'
     @r.rpush "list", 'hello'
@@ -247,7 +255,7 @@ describe "redis" do
     @r.lset('list', 1, 'goodbye').should == 'OK'
     @r.lindex('list', 1).should == 'goodbye'
   end
-  # 
+  #
   it "should be able to remove values from a list (LREM)" do
     @r.rpush "list", 'hello'
     @r.rpush "list", 'goodbye'
@@ -256,7 +264,7 @@ describe "redis" do
     @r.lrem('list', 1, 'hello').should == 1
     @r.lrange('list', 0, -1).should == ['goodbye']
   end
-  # 
+  #
   it "should be able add members to a set (SADD)" do
     @r.sadd "set", 'key1'
     @r.sadd "set", 'key2'
@@ -264,7 +272,7 @@ describe "redis" do
     @r.scard('set').should == 2
     @r.smembers('set').sort.should == ['key1', 'key2'].sort
   end
-  # 
+  #
   it "should be able delete members to a set (SREM)" do
     @r.sadd "set", 'key1'
     @r.sadd "set", 'key2'
@@ -275,14 +283,14 @@ describe "redis" do
     @r.scard('set').should == 1
     @r.smembers('set').should == ['key2']
   end
-  # 
+  #
   it "should be able count the members of a set (SCARD)" do
     @r.sadd "set", 'key1'
     @r.sadd "set", 'key2'
     @r.type('set').should == "set"
     @r.scard('set').should == 2
   end
-  # 
+  #
   it "should be able test for set membership (SISMEMBER)" do
     @r.sadd "set", 'key1'
     @r.sadd "set", 'key2'
@@ -292,14 +300,14 @@ describe "redis" do
     @r.sismember('set', 'key2').should be_true
     @r.sismember('set', 'notthere').should be_false
   end
-  # 
+  #
   it "should be able to do set intersection (SINTER)" do
     @r.sadd "set", 'key1'
     @r.sadd "set", 'key2'
     @r.sadd "set2", 'key2'
     @r.sinter('set', 'set2').should == ['key2']
   end
-  # 
+  #
   it "should be able to do set intersection and store the results in a key (SINTERSTORE)" do
     @r.sadd "set", 'key1'
     @r.sadd "set", 'key2'
@@ -315,7 +323,7 @@ describe "redis" do
     @r.sadd "set2", 'key3'
     @r.sunion('set', 'set2').sort.should == ['key1','key2','key3'].sort
   end
-  # 
+  #
   it "should be able to do set union and store the results in a key (SUNIONSTORE)" do
     @r.sadd "set", 'key1'
     @r.sadd "set", 'key2'
@@ -324,7 +332,7 @@ describe "redis" do
     @r.sunionstore('newone', 'set', 'set2').should == 3
     @r.smembers('newone').sort.should == ['key1','key2','key3'].sort
   end
-  # 
+  #
   it "should be able to do set difference (SDIFF)" do
      @r.sadd "set", 'a'
      @r.sadd "set", 'b'
@@ -332,7 +340,7 @@ describe "redis" do
      @r.sadd "set2", 'c'
      @r.sdiff('set', 'set2').should == ['a']
    end
-  # 
+  #
   it "should be able to do set difference and store the results in a key (SDIFFSTORE)" do
      @r.sadd "set", 'a'
      @r.sadd "set", 'b'
@@ -341,27 +349,28 @@ describe "redis" do
      @r.sdiffstore('newone', 'set', 'set2')
      @r.smembers('newone').should == ['a']
    end
-  # 
+  #
   it "should be able move elements from one set to another (SMOVE)" do
     @r.sadd 'set1', 'a'
     @r.sadd 'set1', 'b'
     @r.sadd 'set2', 'x'
-    @r.smove('set1', 'set2', 'a').should be_true 
+    @r.smove('set1', 'set2', 'a').should be_true
     @r.sismember('set2', 'a').should be_true
     @r.delete('set1')
   end
   #
   it "should be able to do crazy SORT queries" do
+    # The 'Dogs' is capitialized on purpose
     @r['dog_1'] = 'louie'
-    @r.rpush 'dogs', 1
+    @r.rpush 'Dogs', 1
     @r['dog_2'] = 'lucy'
-    @r.rpush 'dogs', 2
+    @r.rpush 'Dogs', 2
     @r['dog_3'] = 'max'
-    @r.rpush 'dogs', 3
+    @r.rpush 'Dogs', 3
     @r['dog_4'] = 'taj'
-    @r.rpush 'dogs', 4
-    @r.sort('dogs', :get => 'dog_*', :limit => [0,1]).should == ['louie']
-    @r.sort('dogs', :get => 'dog_*', :limit => [0,1], :order => 'desc alpha').should == ['taj']
+    @r.rpush 'Dogs', 4
+    @r.sort('Dogs', :get => 'dog_*', :limit => [0,1]).should == ['louie']
+    @r.sort('Dogs', :get => 'dog_*', :limit => [0,1], :order => 'desc alpha').should == ['taj']
   end
 
   it "should be able to handle array of :get using SORT" do
@@ -380,13 +389,13 @@ describe "redis" do
     @r.sort('dogs', :get => ['dog:*:name', 'dog:*:breed'], :limit => [0,1]).should == ['louie', 'mutt']
     @r.sort('dogs', :get => ['dog:*:name', 'dog:*:breed'], :limit => [0,1], :order => 'desc alpha').should == ['taj', 'terrier']
   end
-  # 
+  #
   it "should provide info (INFO)" do
     [:last_save_time, :redis_version, :total_connections_received, :connected_clients, :total_commands_processed, :connected_slaves, :uptime_in_seconds, :used_memory, :uptime_in_days, :changes_since_last_save].each do |x|
     @r.info.keys.should include(x)
     end
   end
-  # 
+  #
   it "should be able to flush the database (FLUSHDB)" do
     @r['key1'] = 'keyone'
     @r['key2'] = 'keytwo'
@@ -404,22 +413,37 @@ describe "redis" do
     Time.at(savetime).class.should == Time
     Time.at(savetime).should <= Time.now
   end
-  
+
   it "should be able to MGET keys" do
     @r['foo'] = 1000
     @r['bar'] = 2000
     @r.mget('foo', 'bar').should == ['1000', '2000']
     @r.mget('foo', 'bar', 'baz').should == ['1000', '2000', nil]
   end
-  
+
+  it "should be able to mapped MGET keys" do
+    @r['foo'] = 1000
+    @r['bar'] = 2000
+    @r.mapped_mget('foo', 'bar').should == { 'foo' => '1000', 'bar' => '2000'}
+    @r.mapped_mget('foo', 'baz', 'bar').should == { 'foo' => '1000', 'bar' => '2000'}
+  end
+
   it "should bgsave" do
     @r.bgsave.should == 'OK'
   end
-  
-  it "should should be able to ECHO" do
+
+  it "should be able to ECHO" do
     @r.echo("message in a bottle\n").should == "message in a bottle\n"
   end
 
+  it "should raise error when invoke MONITOR" do
+    lambda { @r.monitor }.should raise_error
+  end
+
+  it "should raise error when invoke SYNC" do
+    lambda { @r.sync }.should raise_error
+  end
+
   it "should handle multiple servers" do
     require 'dist_redis'
     @r = DistRedis.new(:hosts=> ['localhost:6379', '127.0.0.1:6379'], :db => 15)
@@ -438,10 +462,17 @@ describe "redis" do
       pipeline.lpush 'list', "hello"
       pipeline.lpush 'list', 42
     end
-    
+
     @r.type('list').should == "list"
     @r.llen('list').should == 2
     @r.lpop('list').should == '42'
   end
-  
+
+  it "should AUTH when connecting with a password" do
+    r = Redis.new(:password => 'secret')
+    r.stub!(:connect_to)
+    r.should_receive(:call_command).with(['auth', 'secret'])
+    r.connect_to_server
+  end
+
 end

client-libraries/ruby/spec/spec_helper.rb

 require 'rubygems'
 $TESTING=true
-$:.push File.join(File.dirname(__FILE__), '..', 'lib')
+$:.unshift File.join(File.dirname(__FILE__), '..', 'lib')
 require 'redis'

client-libraries/ruby/tasks/redis.tasks.rb

 # Inspired by rabbitmq.rake the Redbox project at http://github.com/rick/redbox/tree/master
 require 'fileutils'
+require 'open-uri'
 
 class RedisRunner
   
@@ -106,10 +107,8 @@ namespace :dtach do
     unless File.exists?('/tmp/dtach-0.8.tar.gz')
       require 'net/http'
       
-      Net::HTTP.start('superb-west.dl.sourceforge.net') do |http|
-        resp = http.get('/sourceforge/dtach/dtach-0.8.tar.gz')
-        open('/tmp/dtach-0.8.tar.gz', 'wb') do |file| file.write(resp.body) end
-      end
+      url = 'http://downloads.sourceforge.net/project/dtach/dtach/0.8/dtach-0.8.tar.gz'
+      open('/tmp/dtach-0.8.tar.gz', 'wb') do |file| file.write(open(url).read) end
     end
 
     unless File.directory?('/tmp/dtach-0.8')    
@@ -123,4 +122,4 @@ namespace :dtach do
     puts 'Dtach successfully installed to /usr/bin.'
   end
 end
-  
+  
\ No newline at end of file