Added launchd exporter

lib/foreman/export.rb

@@ -31,4 +31,5 @@ require "foreman/export/upstart"
 require "foreman/export/bluepill"
 require "foreman/export/runit"
 require "foreman/export/supervisord"
+require "foreman/export/launchd"
 

lib/foreman/export/launchd.rb

@@ -0,0 +1,27 @@
+require "erb"
+require "foreman/export"
+
+class Foreman::Export::Launchd < Foreman::Export::Base
+
+  def export
+    error("Must specify a location") unless location
+    
+    app = self.app || File.basename(engine.directory)
+    user = self.user || app
+    log_root = self.log || "/var/log/#{app}"
+    template_root = self.template
+    
+    FileUtils.mkdir_p(location)
+    
+    engine.procfile.entries.each do |process|
+      1.upto(self.concurrency[process.name]) do |num|
+
+        master_template = export_template("launchd", "launchd.plist.erb", template_root)
+        master_config   = ERB.new(master_template).result(binding)
+        write_file "#{location}/#{app}-#{process.name}-#{num}.plist", master_config
+      end
+    end
+    
+  end
+
+end