3 files changed, 23 insertions, 10 deletions
diff --git a/lib/puppet/application/describe.rb b/lib/puppet/application/describe.rb
index 5abe3ea14..e76b347f6 100644
--- a/lib/puppet/application/describe.rb
+++ b/lib/puppet/application/describe.rb
@@ -130,7 +130,7 @@ class TypeDoc
       a[0].to_s <=> b[0].to_s
     }.each { |name, doc|
       print "\n- **#{name}**"
-      if type.namevar == name and name != :name
+      if type.key_attributes.include?(name) and name != :name
         puts " (*namevar*)"
       else
         puts ""
diff --git a/lib/puppet/resource/type.rb b/lib/puppet/resource/type.rb
index 1d378aaa6..7b21e55dc 100644
--- a/lib/puppet/resource/type.rb
+++ b/lib/puppet/resource/type.rb
@@ -233,8 +233,13 @@ class Puppet::Resource::Type
       resource[param] = value
     end
 
-    scope.setvar("title", resource.title) unless set.include? :title
-    scope.setvar("name", resource.name.to_s.downcase) unless set.include? :name
+    if @type == :hostclass
+      scope.setvar("title", resource.title.to_s.downcase) unless set.include? :title
+      scope.setvar("name",  resource.name.to_s.downcase ) unless set.include? :name
+    else
+      scope.setvar("title", resource.title              ) unless set.include? :title
+      scope.setvar("name",  resource.name               ) unless set.include? :name
+    end
     scope.setvar("module_name", module_name) if module_name and ! set.include? :module_name
 
     if caller_name = scope.parent_module_name and ! set.include?(:caller_module_name)
diff --git a/lib/puppet/type.rb b/lib/puppet/type.rb
index 291179a02..f9aacece8 100644
--- a/lib/puppet/type.rb
+++ b/lib/puppet/type.rb
@@ -410,13 +410,15 @@ class Type
 
     property = self.newattr(name)
 
-    begin
-      # make sure the parameter doesn't have any errors
-      property.value = value
-    rescue => detail
-      error = Puppet::Error.new("Parameter #{name} failed: #{detail}")
-      error.set_backtrace(detail.backtrace)
-      raise error
+    if property
+      begin
+        # make sure the parameter doesn't have any errors
+        property.value = value
+      rescue => detail
+        error = Puppet::Error.new("Parameter #{name} failed: #{detail}")
+        error.set_backtrace(detail.backtrace)
+        raise error
+      end
     end
 
     nil
@@ -472,6 +474,12 @@ class Type
       raise Puppet::Error, "Resource type #{self.class.name} does not support parameter #{name}"
     end
 
+    if provider and ! provider.class.supports_parameter?(klass)
+      missing = klass.required_features.find_all { |f| ! provider.class.feature?(f) }
+      info "Provider %s does not support features %s; not managing attribute %s" % [provider.class.name, missing.join(", "), name]
+      return nil
+    end
+
     return @parameters[name] if @parameters.include?(name)
 
     @parameters[name] = klass.new(:resource => self)