accept vhd as well as vhdx file types on hyper-v

plugins/providers/hyperv/action/import.rb

@@ -27,15 +27,17 @@ def call(env)
             end
           end
 
-          vhdx_path = nil
+          image_path = nil
+          image_ext = nil
           hd_dir.each_child do |f|
-            if f.extname.downcase == ".vhdx"
-              vhdx_path = f
+            if %w{.vhd .vhdx}.include?(f.extname.downcase)
+              image_path = f
+              image_ext = f.extname.downcase
               break
             end
           end
 
-          if !config_path || !vhdx_path
+          if !config_path || !image_path
             raise Errors::BoxInvalid
           end
 
@@ -64,16 +66,16 @@ def call(env)
           end
 
           env[:ui].detail("Cloning virtual hard drive...")
-          source_path = vhdx_path.to_s
-          dest_path   = env[:machine].data_dir.join("disk.vhdx").to_s
+          source_path = image_path.to_s
+          dest_path   = env[:machine].data_dir.join("disk.#{image_ext}").to_s
           FileUtils.cp(source_path, dest_path)
-          vhdx_path = dest_path
+          image_path = dest_path
 
           # We have to normalize the paths to be Windows paths since
           # we're executing PowerShell.
           options = {
             vm_xml_config:  config_path.to_s.gsub("/", "\\"),
-            vhdx_path:      vhdx_path.to_s.gsub("/", "\\")
+            image_path:      image_path.to_s.gsub("/", "\\")
           }
           options[:switchname] = switch if switch
 

plugins/providers/hyperv/scripts/import_vm.ps1

@@ -2,7 +2,7 @@ Param(
     [Parameter(Mandatory=$true)]
     [string]$vm_xml_config,
     [Parameter(Mandatory=$true)]
-    [string]$vhdx_path,
+    [string]$image_path,
 
     [string]$switchname=$null
 )
@@ -119,7 +119,7 @@ foreach ($controller in $controllers) {
 
         $addDriveParam = @{
             ControllerNumber = $rx.Match($controller.node.name).value
-            Path = $vhdx_path
+            Path = $image_path
         }
 
         if ($drive.pool_id."#text") {