Revert "Allow overwrite Helper instance"

Kapil Borle · Kapil Borle · commit 889c49ff0265 · 2017-01-23T15:44:15.000-08:00
This reverts commit 210d904. We revert this because, this allows the instance to persist through a powershell session across multiple pssa invocations. This is allows us to reuse the command info cache across multiple pssa invocations.
diff --git a/Engine/Helper.cs b/Engine/Helper.cs
@@ -65,7 +65,10 @@ internal set
             {
                 lock (syncRoot)
                 {
-                    instance = value;
+                    if (instance == null)
+                    {
+                        instance = value;
+                    }
                 }
             }
         }

Original file line number	Diff line number	Diff line change
`@@ -65,7 +65,10 @@ internal set`
`65`	`65`	`{`
`66`	`66`	`lock (syncRoot)`
`67`	`67`	`{`
`68`		`- instance = value;`
	`68`	`+ if (instance == null)`
	`69`	`+ {`
	`70`	`+ instance = value;`
	`71`	`+ }`
`69`	`72`	`}`
`70`	`73`	`}`
`71`	`74`	`}`