From 7bf6ac9aa7358140795d7a21948abe162ebe5f76 Mon Sep 17 00:00:00 2001
From: "berkeviktor@aol.com" <berkeviktor@aol.com>
Date: Mon, 23 Aug 2010 22:32:22 +0200
Subject: [PATCH] don't uninstall when portable install is performed

---
 build/xchat-wdk.iss | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/build/xchat-wdk.iss b/build/xchat-wdk.iss
index 22f28b60..d2fc4990 100644
--- a/build/xchat-wdk.iss
+++ b/build/xchat-wdk.iss
@@ -225,11 +225,14 @@ end;
 /////////////////////////////////////////////////////////////////////
 procedure CurStepChanged(CurStep: TSetupStep);
 begin
-  if (CurStep=ssInstall) then
+  if not (IsTaskSelected('portablemode')) then
   begin
-    if (IsUpgrade()) then
+    if (CurStep=ssInstall) then
     begin
-      UnInstallOldVersion();
+      if (IsUpgrade()) then
+      begin
+        UnInstallOldVersion();
+      end;
     end;
   end;
 end;