parameter to allow usage of custom overlay lists with layman

README.markdown

@@ -151,6 +151,13 @@ The `layman` type/provider can be used to manage overlays via `layman`.
       ensure => present,
     }
 
+Custom overlay list can be used via `overlay_list` parameter.
+
+    layman { 'custom-overlay':
+      ensure => present,
+      overlay_list => 'https://some.xml.file.somethere',
+    }
+
 ## Installation of Gentoo tools
 
 This module can also handle the installation of various Gentoo tools.

lib/puppet/provider/layman/layman.rb

@@ -30,7 +30,12 @@ Puppet::Type.type(:layman).provide(:layman) do
   end
 
   def create
-    self.class.run_layman('--add', resource[:name])
+    layman_args = []
+    if resource[:overlay_list]
+      layman_args.push('-o',resource[:overlay_list])
+    end
+    layman_args.push('--add', resource[:name])
+    self.class.run_layman(layman_args)
     @property_hash[:ensure] = :present
   end
 

lib/puppet/type/layman.rb

@@ -10,4 +10,8 @@ Puppet::Type.newtype(:layman) do
   newparam(:name, :namevar => true) do
     desc "The name of the overlay"
   end
+
+  newparam(:overlay_list) do
+    desc "URL of additional overlay list"
+  end
 end

spec/unit/type/layman_spec.rb

@@ -8,7 +8,7 @@ describe Puppet::Type.type(:layman) do
   end
 
   describe "when validating attributes" do
-    params     = [:name]
+    params     = [:name,:overlay_list]
     properties = [:ensure]
 
     params.each do |param|