modify packet to allow self defined pattern

.gitignore

@@ -16,3 +16,4 @@ test/tmp
 test/version_tmp
 tmp
 .DS_Store
+.ruby-version

README.md

@@ -81,4 +81,16 @@ set :notifier_statsd_options, {
 }
 ```
 
+You can define the pattern that will be used to define the key.
+In the example the key will be 'test.deployment.example'
+
+```rb
+set :application, 'example'
+set :stage,       'test'
+
+set :notifier_statsd_options, {
+  :pattern => "#{stage}.deployment.#{application}"
+}
+```
+
 The `nc` ([Netcat](http://netcat.sourceforge.net/)) command is used to send messages to statsd and must be installed on the remote hosts. This is installed by default on most Unix machines.

lib/capistrano/notifier/statsd.rb

@@ -38,11 +38,17 @@ def options
   end
 
   def packet
-    if stage
-      "#{application}.#{stage}.deploy:#{with}"
-    else
-      "#{application}.deploy:#{with}"
-    end
+    "#{pattern}:#{with}"
+  end
+
+  def pattern
+     options.fetch(:pattern){
+       if stage
+         "#{application}.#{stage}.deploy"
+       else
+         "#{application}.deploy"
+       end
+     }
   end
 
   def port

spec/capistrano/notifier/statsd_spec.rb

@@ -78,4 +78,21 @@
       end
     end
   end
+
+  context "with a pattern" do
+    before :each do
+      configuration.load do
+        set :application, 'example'
+        set :stage,       'test'
+        set :notifier_statsd_options, {
+          :pattern => "#{stage}.deployment.#{application}"
+        }
+      end
+    end
+
+    it "creates a packet" do
+      subject.send(:packet).should == "test.deployment.example:1|c"
+    end
+
+  end
 end