update excon, pass a block instead of params[:block]

Gemfile

@@ -1,7 +1,7 @@
 source 'http://gemcutter.org'
 
 gem 'rake'
-gem 'excon', '>= 0.0.21'
+gem 'excon', '>= 0.0.22'
 gem 'formatador', ">= 0.0.10"
 gem 'json', ">= 0"
 gem 'mime-types', ">= 0"

Gemfile.lock

@@ -1,15 +1,56 @@
 --- 
+dependencies: 
+  formatador: 
+    group: 
+    - :default
+    version: ">= 0.0.10"
+  rake: 
+    group: 
+    - :default
+    version: ">= 0"
+  ruby-hmac: 
+    group: 
+    - :default
+    version: ">= 0"
+  mime-types: 
+    group: 
+    - :default
+    version: ">= 0"
+  rspec: 
+    group: 
+    - :default
+    version: ">= 0"
+  net-ssh: 
+    group: 
+    - :default
+    version: ">= 0"
+  json: 
+    group: 
+    - :default
+    version: ">= 0"
+  excon: 
+    group: 
+    - :default
+    version: ">= 0.0.22"
+  shindo: 
+    group: 
+    - :default
+    version: ">= 0"
+  nokogiri: 
+    group: 
+    - :default
+    version: ">= 0"
 specs: 
 - rake: 
     version: 0.8.7
 - excon: 
-    version: 0.0.21
+    version: 0.0.22
 - formatador: 
     version: 0.0.14
 - gestalt: 
     version: 0.0.6
 - json: 
-    version: 1.4.2
+    version: 1.4.3
 - mime-types: 
     version: "1.16"
 - net-ssh: 
@@ -22,48 +63,7 @@ specs:
     version: 0.4.0
 - shindo: 
     version: 0.0.18
-hash: e443f12a9a7794f2ff4fc8e8d201b12b1e8b30bb
+hash: a39d842433b002231eebfd269d32fe72b489b62f
 sources: 
 - Rubygems: 
     uri: http://gemcutter.org
-dependencies: 
-  formatador: 
-    version: ">= 0.0.10"
-    group: 
-    - :default
-  nokogiri: 
-    version: ">= 0"
-    group: 
-    - :default
-  rake: 
-    version: ">= 0"
-    group: 
-    - :default
-  rspec: 
-    version: ">= 0"
-    group: 
-    - :default
-  ruby-hmac: 
-    version: ">= 0"
-    group: 
-    - :default
-  mime-types: 
-    version: ">= 0"
-    group: 
-    - :default
-  net-ssh: 
-    version: ">= 0"
-    group: 
-    - :default
-  json: 
-    version: ">= 0"
-    group: 
-    - :default
-  excon: 
-    version: ">= 0.0.21"
-    group: 
-    - :default
-  shindo: 
-    version: ">= 0"
-    group: 
-    - :default

lib/fog/aws/requests/s3/get_object.rb

@@ -34,14 +34,13 @@ module Fog
           headers['If-Unmodified-Since'] = options['If-Unmodified-Since'].utc.strftime("%a, %d %b %Y %H:%M:%S +0000") if options['If-Modified-Since']
           headers.merge!(options)
           request({
-            :block    => block,
             :expects  => 200,
             :headers  => headers,
             :host     => "#{bucket_name}.#{@host}",
             :idempotent => true,
             :method   => 'GET',
             :path     => CGI.escape(object_name)
-          })
+          }, &block)
         end
 
         def get_object_url(bucket_name, object_name, expires)

lib/fog/aws/s3.rb

@@ -141,12 +141,12 @@ module Fog
 
         private
 
-        def request(params)
+        def request(params, &block)
           @connection = Fog::Connection.new("#{@scheme}://#{@host}:#{@port}")
           params[:headers]['Date'] = Time.now.utc.strftime("%a, %d %b %Y %H:%M:%S +0000")
           params[:headers]['Authorization'] = "AWS #{@aws_access_key_id}:#{signature(params)}"
 
-          response = @connection.request(params)
+          response = @connection.request(params, &block)
 
           response
         end

lib/fog/connection.rb

@@ -5,13 +5,15 @@ module Fog
       @excon = Excon.new(url)
     end
 
-    def request(params)
-      if parser = params.delete(:parser)
-        body = Nokogiri::XML::SAX::PushParser.new(parser)
-        params[:block] = lambda { |chunk| body << chunk }
+    def request(params, &block)
+      unless block_given?
+        if (parser = params.delete(:parser))
+          body = Nokogiri::XML::SAX::PushParser.new(parser)
+          block = lambda { |chunk| body << chunk }
+        end
       end
 
-      response = @excon.request(params)
+      response = @excon.request(params, &block)
 
       if parser
         body.finish

lib/fog/rackspace/files.rb

@@ -112,7 +112,7 @@ module Fog
           response
         end
 
-        def storage_request(params, parse_json = true)
+        def storage_request(params, parse_json = true, &block)
           @storage_connection = Fog::Connection.new("#{@storage_scheme}://#{@storage_host}:#{@storage_port}")
           response = @storage_connection.request({
             :body     => params[:body],
@@ -125,7 +125,7 @@ module Fog
             :method   => params[:method],
             :path     => "#{@storage_path}/#{params[:path]}",
             :query    => params[:query]
-          })
+          }, &block)
           if !response.body.empty? && parse_json
             response.body = JSON.parse(response.body)
           end

lib/fog/rackspace/requests/files/get_object.rb

@@ -15,7 +15,7 @@ module Fog
             :expects  => 200,
             :method   => 'GET',
             :path     => "#{CGI.escape(container)}/#{CGI.escape(object)}"
-          }, false)
+          }, false, &block)
           response
         end