Add 'cpanm_options' attribute to recipe and LWRP.

With this new attribute, it's possible to specify options for cpanm.

cookbooks/perlbrew/README.md

@@ -25,6 +25,7 @@ Attributes
 * `node['perlbrew']['perlbrew_root'] = "/opt/perlbrew"` - Sets the `PERLBREW_ROOT` environment variable
 * `node['perlbrew']['perls'] = []` - An array of perls to install, e.g. `["perl-5.14.2", "perl-5.12.3"]`
 * `node['perlbrew']['install_options'] = ''` - A string of command line options for `perlbrew install`, e.g. `-D usethreads` for building all perls with threads
+* `node['perlbrew']['cpanm_options'] = ''` - A string of command line options for `cpanm`, e.g. `--notest` for installing modules without running tests
 
 Recipes
 =======
@@ -133,6 +134,8 @@ Attributes:
 modules (REQUIRED)
 * :modules - an array of module names to pass to cpanm.  Any legal input
 to cpanm is allowed.
+* :options - a string of options to pass to cpanm.  Any legal options to
+cpanm is allowed.
 
 perlbrew_run
 ------------

cookbooks/perlbrew/attributes/default.rb

@@ -25,4 +25,5 @@
 # default command line options for "perlbrew install" if no LWRP options
 # attribute is given
 default['perlbrew']['install_options'] = ''
+default['perlbrew']['cpanm_options'] = ''
 

cookbooks/perlbrew/providers/cpanm.rb

@@ -27,8 +27,9 @@
     'PERLBREW_ROOT' => node['perlbrew']['perlbrew_root'],
     'PERLBREW_HOME' => node['perlbrew']['perlbrew_root']
   }
+  options = new_resource.options ? new_resource.options : node['perlbrew']['cpanm_options']
   new_resource.modules([new_resource.name]) unless new_resource.modules.length > 0
-  p = perlbrew_run "cpanm #{new_resource.modules.join(' ')}" do
+  p = perlbrew_run "cpanm #{options} #{new_resource.modules.join(' ')}" do
     perlbrew new_resource.perlbrew
     action :nothing
   end

cookbooks/perlbrew/resources/cpanm.rb

@@ -20,6 +20,7 @@
 
 actions :run
 
+attribute :options, :kind_of => String
 attribute :perlbrew, :kind_of => String, :required => true
 attribute :modules, :kind_of => Array, :default => []