Merge pull request Azure#6780 from Azure/task-adls-fixenabledebugging

Fix debugging when DebugPreference is set from powershell command line

Author: Maddie Clayton

src/ResourceManager/DataLakeStore/Commands.DataLakeStore/ChangeLog.md

@@ -20,6 +20,7 @@
 ## Current Release
 * Updated all help files to include full parameter types and correct input/output types.
 * Updated the DataPlane SDK (Microsoft.Azure.DataLake.Store) version to 1.1.9
+* Fix debugging when DebugPreference is set from powershell command line
 
 ## Version 6.1.0
 * Add cancellation support and progress tracking for Set-AzureRmDataLakeStoreItemAclEntry, Remove-AzureRmDataLakeStoreItemAclEntry, Set-AzureRmDataLakeStoreItemAcl

src/ResourceManager/DataLakeStore/Commands.DataLakeStore/DataPlaneModels/DataLakeStoreFileSystemClient.cs

@@ -89,7 +89,9 @@ public DataLakeStoreFileSystemClient(IAzureContext context, DataLakeStoreFileSys
             }
             else
             {
-                var debugPreference = cmdlet.GetVariableValue("DebugPreference") as string;
+                // The return type of cmdlet.GetVariableValue("DebugPreference") is string when run from a script
+                // return type is System.Management.Automation.ActionPreference when run from commandline
+                var debugPreference = cmdlet.GetVariableValue("DebugPreference").ToString();
                 if (debugPreference != null)
                 {
                     _isDebugEnabled = !debugPreference.Equals("SilentlyContinue");