Add libnotify and notify-send notifiers

lib/capistrano/send.rb

@@ -1,7 +1,2 @@
-require "capistrano/send/version"
-
-module Capistrano
-  module Send
-    # Your code goes here...
-  end
-end
+require 'capistrano/send/libnotify'
+require 'capistrano/send/notify-send'

lib/capistrano/send/libnotify.rb

@@ -0,0 +1 @@
+load File.expand_path('../../tasks/libnotify.cap', __FILE__)

lib/capistrano/send/notify-send.rb

@@ -0,0 +1 @@
+load File.expand_path('../../tasks/notify-send.cap', __FILE__)

lib/capistrano/tasks/libnotify.cap

@@ -0,0 +1,21 @@
+begin
+  require 'libnotify'
+rescue LoadError
+end
+
+namespace :send do
+  namespace :libnotify do
+    desc "Display a notification using libnotify"
+    task :notify do
+      if defined?(Libnotify)
+        Libnotify.show(
+          summary: "Deploy successful on #{fetch(:stage)}!",
+          body: revision_log_message,
+          timeout: 10,
+        )
+      end
+    end
+  end
+end
+
+after 'deploy:finished', 'send:libnotify:notify'

lib/capistrano/tasks/notify-send.cap

@@ -0,0 +1,14 @@
+namespace :send do
+  namespace :'notify-send' do
+    desc "Display a notification using notify-send"
+    task :notify do
+      expire_time = 10000
+      summary = "Deploy successful on #{fetch(:stage)}!"
+      body = revision_log_message
+
+      `notify-send --expire-time=#{expire_time} '#{summary}' '#{body}'`
+    end
+  end
+end
+
+after 'deploy:finished', 'send:notify-send:notify'