fixes from @sethvargo comments.

plugins/commands/ps/command.rb

@@ -45,16 +45,16 @@ module VagrantPlugins
             raise Vagrant::Errors::VMNotCreatedError
           end
 
-          if machine.config.vm.communicator != :winrm #|| !machine.provider.capability?(:winrm_info)
+          if machine.config.vm.communicator != :winrm
             raise VagrantPlugins::CommunicatorWinRM::Errors::WinRMNotReady
           end
 
           if !options[:command].nil?
-            out_code = machine.communicate.execute options[:command]
+            out_code = machine.communicate.execute(options[:command])
             if out_code == 0
               machine.ui.detail("Command: #{options[:command]} executed succesfully with output code #{out_code}.")
             end
-            break
+            next
           end
 
           ps_info = VagrantPlugins::CommunicatorWinRM::Helper.winrm_info(machine)
@@ -63,7 +63,7 @@ module VagrantPlugins
           # Extra arguments if we have any
           ps_info[:extra_args] = options[:extra_args]
 
-          result = ready_ps_remoting_for machine, ps_info
+          result = ready_ps_remoting_for(machine, ps_info)
 
           machine.ui.detail(
             "Creating powershell session to #{ps_info[:host]}:#{ps_info[:port]}")
@@ -73,7 +73,7 @@ module VagrantPlugins
             @env.host.capability(:ps_client, ps_info)
           ensure
             if !result["PreviousTrustedHosts"].nil?
-              reset_ps_remoting_for machine, ps_info
+              reset_ps_remoting_for(machine, ps_info)
             end
           end
         end

plugins/commands/ps/plugin.rb

@@ -7,12 +7,12 @@ module VagrantPlugins
     class Plugin < Vagrant.plugin("2")
       name "ps command"
       description <<-DESC
-      The ps command opens a remote powershell session to the
+      The ps command opens a remote PowerShell session to the
       machine if it supports powershell remoting.
       DESC
 
       command("ps") do
-        require File.expand_path("../command", __FILE__)
+        require_relative "../command"
         init!
         Command
       end
@@ -21,8 +21,7 @@ module VagrantPlugins
 
       def self.init!
         return if defined?(@_init)
-        I18n.load_path << File.expand_path(
-          "templates/locales/command_ps.yml", Vagrant.source_root)
+        I18n.load_path << File.expand_path("templates/locales/command_ps.yml", Vagrant.source_root)
         I18n.reload!
         @_init = true
       end

plugins/communicators/winrm/shell.rb

@@ -9,7 +9,7 @@ Vagrant::Util::SilenceWarnings.silence! do
   require "winrm"
 end
 
-require "winrm-fs/file_manager"
+require "winrm-fs"
 
 module VagrantPlugins
   module CommunicatorWinRM

templates/locales/command_ps.yml

@@ -1,16 +1,16 @@
 en:
   vagrant_ps:
     detecting: |-
-      Detecting if a remote powershell connection can be made with the guest...
+      Detecting if a remote PowerShell connection can be made with the guest...
     reseting: |-
       Reseting WinRM TrustedHosts to their original value.
 
     errors:
       host_unsupported: |-
-        Your host does not support powershell. A remote powershell connection
+        Your host does not support PowerShell. A remote PowerShell connection
         can only be made from a windows host.
 
       ps_remoting_undetected: |-
-        Unable to establish a remote powershell connection with the guest. 
+        Unable to establish a remote PowerShell connection with the guest. 
         Check if the firewall rules on the guest allow connections to the 
-        windows remote management service.
+        Windows remote management service.