From 97cdde84ce6609447f4ca4494c8db135094c8975 Mon Sep 17 00:00:00 2001
From: DarkPhoenix <phoenix@mail.ru>
Date: Mon, 3 Feb 2020 06:17:28 +0300
Subject: [PATCH] Uninstall not when setup just begins, but right before
 install begins

---
 dist_assets/win/pyfa-setup.iss | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/dist_assets/win/pyfa-setup.iss b/dist_assets/win/pyfa-setup.iss
index 80fbcb498..7bc097427 100644
--- a/dist_assets/win/pyfa-setup.iss
+++ b/dist_assets/win/pyfa-setup.iss
@@ -175,10 +175,13 @@ begin
 end;
 
 /////////////////////////////////////////////////////////////////////
-function InitializeSetup(): Boolean;
-var
-  sUnInstallString: string;
+procedure CurStepChanged(CurStep: TSetupStep);
 begin
-  Result := True; // No idea if result is needed for some kind of API, but keeping it here just in case
-  UnInstallOldVersion();
+  if (CurStep=ssInstall) then
+  begin
+    if (IsUpgrade()) then
+    begin
+      UnInstallOldVersion();
+    end;
+  end;
 end;