From 7b986c4f85954ed4065507897c8058a712b70c05 Mon Sep 17 00:00:00 2001
From: David Pinedo <david@lunarg.com>
Date: Fri, 10 Jun 2016 08:01:56 -0600
Subject: [PATCH] winrtinstaller: display error num in ps warning window

Display an error number in warning window if powershell
script fails.
---
 windowsRuntimeInstaller/InstallerRT.nsi | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/windowsRuntimeInstaller/InstallerRT.nsi b/windowsRuntimeInstaller/InstallerRT.nsi
index 5d8b3f1..462cbb8 100644
--- a/windowsRuntimeInstaller/InstallerRT.nsi
+++ b/windowsRuntimeInstaller/InstallerRT.nsi
@@ -260,10 +260,15 @@ Function ${un}ConfigLayersAndVulkanDLL
 
     # Read the return value of the script and put it in $0, stripping trailing newline
     FileOpen $1 "$TEMP\ConfigLayersAndVulkanDLL.stat" r
-    FileRead $1 $2
-    FileClose $1
-    ${StrRep} $3 $2 "$\n" ""
-    ${StrRep} $0 $3 "$\r" ""
+    ${If} $1 != ""
+        FileRead $1 $2
+        FileClose $1
+        ${StrRep} $3 $2 "$\n" ""
+        ${StrRep} $0 $3 "$\r" ""
+    ${Else}
+       # error
+       StrCpy $0 -1
+    ${Endif}
 
     # Cleanup
     Delete "$TEMP\ConfigLayersAndVulkanDLL.stat"
-- 
2.7.4