Properly print warnings on config settings that aren't supported

plugins/kernel_v2/config/vm_trigger.rb

@@ -113,10 +113,19 @@ module VagrantPlugins
 
         # Convert @run and @run_remote to be a "Shell provisioner" config
         if @run && @run.is_a?(Hash)
+          # Powershell args and privileged for run commands is currently not supported
+          # so by default use empty string or false if unset. This helps the validate
+          # function determine if the setting was purposefully set, to print a warning
+          if !@run.key?(:powershell_args)
+            @run[:powershell_args] = ""
+          end
+
+          if !@run.key?(:privileged)
+            @run[:privileged] = false
+          end
+
           new_run = VagrantPlugins::Shell::Config.new
           new_run.set_options(@run)
-          # don't run local commands as sudo by default
-          new_run.privileged = false
           new_run.finalize!
           @run = new_run
         end
@@ -152,6 +161,10 @@ module VagrantPlugins
             machine.ui.warn(I18n.t("vagrant.config.triggers.privileged_ignored",
                                   command: @command))
           end
+
+          if @run.powershell_args != ""
+            machine.ui.warn(I18n.t("vagrant.config.triggers.powershell_args_ignored"))
+          end
         end
 
         if @run_remote

templates/locales/en.yml

@@ -1723,6 +1723,8 @@ en:
           Invalid type found for `only_on`. All values must be a `String` or `Regexp`.
         privileged_ignored: |-
           The `privileged` setting for option `run` for trigger command '%{command}' will be ignored and set to false.
+        powershell_args_ignored: |-
+          The setting `powershell_args` is not supported for the trigger option `run` and will be ignored.
         run:
           bad_type: |-
             Invalid type set for `run` on trigger for command '%{cmd}'. `run`

website/source/docs/triggers/configuration.html.md

@@ -33,6 +33,5 @@ The trigger class takes various options.
   + `args`
   + `inline`
   + `path`
-  + `powershell_args`
 
 * `warn` (string) - A warning message that will be printed at the beginning of a trigger.