Add the 'say' method to output messages in a nice fashion.

README.textile

@@ -166,7 +166,20 @@ To show a "down for maintenance" page during the deployment, use the before_git
 
 If you need another hook, please fork the project and implement it. Or submit an issue, it's very easy.
 
-h2. CONTRIBUTORS:
+h3. say
+
+Use the <code>say</code> method to show messages issued by your hooks.
+
+<pre><code># Show a simple message
+say 'restart custom daemons'
+
+# Show a message (blank output lines are suppressed)
+say 'revert local changes' do |output|
+  output << `git checkout . 2>&1`
+end
+</pre></code>
+
+h2. CONTRIBUTORS
 
 Inploy is brought to you by:
 

lib/inploy/dsl.rb

@@ -32,10 +32,6 @@ def load_module(filename)
       extend eval(filename.split("/").map { |word| camelize(word) }.join("::"))
     end
 
-    def log(command)
-      puts "Inploy => #{command}"
-    end
-
     def rake(command)
       run "rake #{command}"
     end
@@ -56,8 +52,15 @@ def using_bundler?
       file_exists?("Gemfile")
     end
 
+    def say(message)
+      puts "Inploy => #{message}"
+      output = []
+      yield output if block_given?
+      output.each {|o| puts o if o =~ /\S/ }
+    end
+
     def run(command, disable_sudo = false)
-      log command
+      say command
 
       Bundler.with_clean_env do
         if disable_sudo
@@ -81,7 +84,7 @@ def login_shell_wrap(cmd)
 
     def secure_copy(src, dest)
       unless file_exists?(dest)
-        log "cp #{src} #{dest}"
+        say "cp #{src} #{dest}"
         FileUtils.cp src, dest
       end
     end