From fa40a87bd767487ad5a4cc810549088124661072 Mon Sep 17 00:00:00 2001
From: Travis Plunk <travis.plunk@microsoft.com>
Date: Mon, 5 Feb 2018 10:02:58 -0800
Subject: [PATCH] Add registry value for easy detection (#6094)

Add registry value for easy detection. For example, the presence of a single key of 6.0.* x64. This is much faster than MSI detection.

Note there are currently two GUIDs, one for 6.0.* x64 and one for 6.0.* x86.

fixes #6090
---
 assets/Product.wxs | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/assets/Product.wxs b/assets/Product.wxs
index b88fd5da8b..b10e6993b9 100644
--- a/assets/Product.wxs
+++ b/assets/Product.wxs
@@ -128,8 +128,13 @@
             <Component Id="ProductVersionFolder" Guid="{e1a7f05e-0cd6-4227-80a8-e4fb311f045c}">
               <CreateFolder/>
             </Component>
-            <!-- register ourselves in application registry so can be started using just Win+R `pwsh.exe` -->
             <Component Id="RegistryEntries" Guid="{402e52f7-baf8-489d-af21-f756a6ca3530}">
+                <!-- create key for easy detection of a particular version of a powershell core package 
+                     The upgrade code is used in the key because it will change when we allow SxS       -->
+                <RegistryKey Root="HKLM" Key="Software\Microsoft\PowerShellCore\InstalledVersions\$(var.UpgradeCode)" ForceCreateOnInstall="yes" ForceDeleteOnUninstall="yes">
+                    <RegistryValue Type="string" Value="$(var.ProductSemanticVersion)"/>
+                </RegistryKey>
+                <!-- register ourselves in application registry so can be started using just Win+R `pwsh.exe` -->
                 <RegistryKey Root="HKLM" Key="Software\Microsoft\Windows\CurrentVersion\App Paths\pwsh.exe" ForceCreateOnInstall="yes" ForceDeleteOnUninstall="yes">
                     <RegistryValue Type="string" Value="[$(var.ProductVersionWithName)]pwsh.exe"/>
                 </RegistryKey>