--- a/dev/Vagrantfile	Fri Mar 14 10:03:37 2014 +0100
+++ b/dev/Vagrantfile	Fri Mar 14 13:16:10 2014 +0100
@@ -5,7 +5,7 @@
 
 custom_file_path = File.join(__dir__, (ENV['SYSCONFIG'] || 'custom.yaml'))
 
-context = File.exist?(custom_file_path)?YAML::load_file(custom_file_path):{}
+context = (File.exist?(custom_file_path)?YAML::load_file(custom_file_path):{}) || {}
 
 ROOT_PATH = context.fetch("root_path","../")
 
@@ -18,11 +18,11 @@
   # please see the online documentation at vagrantup.com.
 
   # Every Vagrant virtual environment requires a box to build off of.
-  config.vm.box = "wheezy-73-x64"
+  config.vm.box = context.fetch("vm_box","wheezy-73-x64")
 
   # The url from where the 'config.vm.box' box will be fetched if it
   # doesn't already exist on the user's system.
-  config.vm.box_url = "http://puppet-vagrant-boxes.puppetlabs.com/debian-73-x64-virtualbox-puppet.box"
+  config.vm.box_url = context.fetch("vm_box_url","http://puppet-vagrant-boxes.puppetlabs.com/debian-73-x64-virtualbox-puppet.box")
 
   # Create a forwarded port mapping which allows access to a specific port
   # within the machine from a port on the host machine. In the example below,

--- a/dev/custom.yaml.tmpl	Fri Mar 14 10:03:37 2014 +0100
+++ b/dev/custom.yaml.tmpl	Fri Mar 14 13:16:10 2014 +0100
@@ -1,22 +1,24 @@
 ---
-root_path : ../
-vm_ip     : 172.16.1.2
-vm_name   : coment_dev
-
-sysconfig::params::db_name : coment_custom
-sysconfig::params::db_user : coment_user_cutom
-sysconfig::params::db_pw   : coment_pw_custom
-sysconfig::params::db_host : 127.0.0.1_custom
-sysconfig::params::db_port : 5433
+#root_path  : ../
+#vm_box     : wheezy-73-x64
+#vm_box_url : http://puppet-vagrant-boxes.puppetlabs.com/debian-73-x64-virtualbox-puppet.box
+#vm_ip      : 172.16.1.2
+#vm_name    : coment_dev
 
-sysconfig::params::testserver_port : 8001
+#sysconfig::params::db_name : coment_custom
+#sysconfig::params::db_user : coment_user_cutom
+#sysconfig::params::db_pw   : coment_pw_custom
+#sysconfig::params::db_host : 127.0.0.1_custom
+#sysconfig::params::db_port : 5433
+
+#sysconfig::params::testserver_port : 8001
 
-sysconfig::params::superuser_name   : admin_custom
-sysconfig::params::superuser_pw     : dev@co-ment_custom
-sysconfig::params::user_edit_name   : user-edit
-sysconfig::params::user_edit_pw     : user-edit@co-ment
-sysconfig::params::user_com_name    : user-com
-sysconfig::params::user_com_pw      : user-com@co-ment
-sysconfig::params::user_observ_name : user-observ
-sysconfig::params::user_observ_pw   : user-observ@co-ment
+#sysconfig::params::superuser_name   : admin_custom
+#sysconfig::params::superuser_pw     : dev@co-ment_custom
+#sysconfig::params::user_edit_name   : user-edit
+#sysconfig::params::user_edit_pw     : user-edit@co-ment
+#sysconfig::params::user_com_name    : user-com
+#sysconfig::params::user_com_pw      : user-com@co-ment
+#sysconfig::params::user_observ_name : user-observ
+#sysconfig::params::user_observ_pw   : user-observ@co-ment