From d8b2d1fb0eb9448eda7d5170654028ab06d25621 Mon Sep 17 00:00:00 2001
From: Andrew Schwartzmeyer <andschwa@microsoft.com>
Date: Wed, 4 May 2016 17:04:48 -0700
Subject: [PATCH] Fix command-line parser to support --parameters

---
 .../host/msh/CommandLineParameterParser.cs                  | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/Microsoft.PowerShell.ConsoleHost/host/msh/CommandLineParameterParser.cs b/src/Microsoft.PowerShell.ConsoleHost/host/msh/CommandLineParameterParser.cs
index 814614f93a..d32847a4e1 100644
--- a/src/Microsoft.PowerShell.ConsoleHost/host/msh/CommandLineParameterParser.cs
+++ b/src/Microsoft.PowerShell.ConsoleHost/host/msh/CommandLineParameterParser.cs
@@ -365,6 +365,12 @@ namespace Microsoft.PowerShell
 
                 switchKey = switchKey.Substring(1);
 
+                // chop off the second dash so we're agnostic wrt specifying - or --
+                if (SpecialCharacters.IsDash(switchKey[0]))
+                {
+                    switchKey = switchKey.Substring(1);
+                }
+
                 if (MatchSwitch(switchKey, "help", "h") || MatchSwitch(switchKey, "?", "?"))
                 {
                     showHelp = true;