Change Compress archive to WMF4 compat

DSCResources/RS_rsModuleZipSum/RS_rsModuleZipSum.psm1

@@ -68,13 +68,68 @@ Function Set-TargetResource {
         if(!(Test-Path -Path $(Join-Path $destination -ChildPath $($moduleName, '.zip' -join ''))) -or !($((Get-FileHash -Path $(Join-Path $destination -ChildPath $($moduleName, '.zip' -join '')) -ErrorAction SilentlyContinue).Hash) -eq $(Get-Content -Path $(Join-Path $destination -ChildPath $($moduleName, '.zip.checksum' -join '')) -ErrorAction SilentlyContinue))) {
           Remove-Item -Path $((Join-Path $destination -ChildPath $module), '*' -join '') -Force
           if($module -ne "PowerShellAccessControl") {
-            Compress-Archive -Path $(Join-Path $modulePath -ChildPath $module) -DestinationPath $((Join-Path $destination -ChildPath $moduleName), '.zip' -join '') -ErrorAction SilentlyContinue
+            New-ResourceZip -modulePath $(Join-Path $modulePath -ChildPath $module) -outputDir $destination
           }
         }
       }
     }
   }
   New-DSCCheckSum -ConfigurationPath 'C:\Program Files\WindowsPowerShell\DscService\Modules' -Force
 }
-
+Function New-ResourceZip 
+{
+   param
+   (
+      $modulePath,
+      $outputDir
+   )
+   #Read the module name & version
+   $module = Import-Module $modulePath -PassThru
+   $moduleName = $module.Name
+   $version = $module.Version.ToString()
+   Remove-Module $moduleName
+
+   $zipFilename = ("{0}_{1}.zip" -f $moduleName, $version)
+   $outputPath = Join-Path $outputDir $zipFilename
+   if ( -not (Test-Path $outputPath) ) 
+   { 
+      # Code to create an 'acceptable' structured ZIP file for DSC
+      # Courtesy of: @Neptune443 (http://blog.cosmoskey.com/powershell/desired-state-configuration-in-pull-mode-over-smb/)
+      [byte[]]$data = New-Object byte[] 22
+      $data[0] = 80
+      $data[1] = 75
+      $data[2] = 5
+      $data[3] = 6
+      [System.IO.File]::WriteAllBytes($outputPath, $data)
+      $acl = Get-Acl -Path $outputPath
+
+      $shellObj = New-Object -ComObject "Shell.Application"
+      $zipFileObj = $shellObj.NameSpace($outputPath)
+      if ($zipFileObj -ne $null)
+      {
+         $target = get-item $modulePath
+         # CopyHere might be async and we might need to wait for the Zip file to have been created full before we continue
+         # Added flags to minimize any UI & prompts etc.
+         $zipFileObj.CopyHere($target.FullName, 0x14)
+         do 
+         {
+            $zipCount = $zipFileObj.Items().count
+            Start-sleep -Milliseconds 50
+         }
+         While ($zipFileObj.Items().count -lt 1)
+         [Runtime.InteropServices.Marshal]::ReleaseComObject($zipFileObj) | Out-Null
+         Set-Acl -Path $outputPath -AclObject $acl
+      }
+      else
+      {
+         Throw "Failed to create the zip file"
+      }
+   }
+   else
+   {
+      $outputPath = $null
+   }
+
+   return $outputPath
+}
 Export-ModuleMember -Function *-TargetResource