Chef JSON can be set directly with `json =` instead of the old `merge!` trick. [closes GH-314]

CHANGELOG.md

@@ -14,6 +14,8 @@
     behavior. [GH-323]
   - Forward agent and forward X11 settings properly appear in
     `ssh_config` output. [GH-105]
+  - Chef JSON can now be set with `chef.json =` instead of the old
+    `merge` technique. [GH-314]
 
 ## 0.7.6 (July 2, 2011)
 

lib/vagrant/provisioners/chef.rb

@@ -59,7 +59,7 @@ module Vagrant
 
         # Merge with the "extra data" which isn't put under the
         # vagrant namespace by default
-        data.merge!(config.json)
+        data.merge!(config.merged_json)
 
         json = data.to_json
 
@@ -90,11 +90,12 @@ module Vagrant
         attr_accessor :no_proxy
         attr_accessor :binary_path
         attr_accessor :binary_env
+        attr_accessor :run_list
 
         def initialize
           @provisioning_path = "/tmp/vagrant-chef"
           @log_level = :info
-          @json = { :instance_role => "vagrant" }
+          @json = {}
           @http_proxy = nil
           @http_proxy_user = nil
           @http_proxy_pass = nil
@@ -104,16 +105,15 @@ module Vagrant
           @no_proxy = nil
           @binary_path = nil
           @binary_env = nil
+          @run_list = []
         end
 
-        # Returns the run list for the provisioning
-        def run_list
-          json[:run_list] ||= []
-        end
-
-        # Sets the run list to the specified value
-        def run_list=(value)
-          json[:run_list] = value
+        # This returns the json that is merged with the defaults and the
+        # user set data.
+        def merged_json
+          { :instance_role => "vagrant",
+            :run_list      => run_list
+          }.merge(json || {})
         end
 
         # Adds a recipe to the run list

lib/vagrant/provisioners/chef_client.rb

@@ -34,7 +34,7 @@ module Vagrant
 
           errors.add(I18n.t("vagrant.config.chef.server_url_empty")) if !chef_server_url || chef_server_url.strip == ""
           errors.add(I18n.t("vagrant.config.chef.validation_key_path")) if !validation_key_path
-          errors.add(I18n.t("vagrant.config.chef.run_list_empty")) if json[:run_list] && run_list.empty?
+          errors.add(I18n.t("vagrant.config.chef.run_list_empty")) if run_list && run_list.empty?
         end
       end
 

lib/vagrant/provisioners/chef_solo.rb

@@ -24,7 +24,7 @@ module Vagrant
           super
 
           errors.add(I18n.t("vagrant.config.chef.cookbooks_path_empty")) if !cookbooks_path || [cookbooks_path].flatten.empty?
-          errors.add(I18n.t("vagrant.config.chef.run_list_empty")) if !json[:run_list] || run_list.empty?
+          errors.add(I18n.t("vagrant.config.chef.run_list_empty")) if !run_list || run_list.empty?
         end
       end