From 1948ae53fdcd0ef99ef302066792d779a62c5065 Mon Sep 17 00:00:00 2001
From: Lucas Fernandes Nogueira <lucas@tauri.studio>
Date: Sun, 15 May 2022 05:02:19 -0700
Subject: [PATCH] fix(bundler): only reinstall missing or != version files,
 closes #4122 (#4125)

---
 .changes/fix-wix-reinstallmode.md                     | 5 +++++
 tooling/bundler/src/bundle/windows/templates/main.wxs | 4 ++--
 2 files changed, 7 insertions(+), 2 deletions(-)
 create mode 100644 .changes/fix-wix-reinstallmode.md

diff --git a/.changes/fix-wix-reinstallmode.md b/.changes/fix-wix-reinstallmode.md
new file mode 100644
index 000000000..df69e710e
--- /dev/null
+++ b/.changes/fix-wix-reinstallmode.md
@@ -0,0 +1,5 @@
+---
+"tauri-bundler": patch
+---
+
+Change the MSI reinstall mode so it only reinstall missing or different version files.
diff --git a/tooling/bundler/src/bundle/windows/templates/main.wxs b/tooling/bundler/src/bundle/windows/templates/main.wxs
index 3c0f76c9a..1a3b61ccd 100644
--- a/tooling/bundler/src/bundle/windows/templates/main.wxs
+++ b/tooling/bundler/src/bundle/windows/templates/main.wxs
@@ -26,8 +26,8 @@
                  SummaryCodepage="!(loc.TauriCodepage)"/>
 
         <!-- https://docs.microsoft.com/en-us/windows/win32/msi/reinstallmode -->
-        <!-- force all files to be reinstalled; rewrite all registry entries; reinstall all shortcuts -->
-        <Property Id="REINSTALLMODE" Value="amus" />
+        <!-- reinstall if the file is missing or a different version is present; rewrite all registry entries; reinstall all shortcuts -->
+        <Property Id="REINSTALLMODE" Value="dmus" />
 
         {{#if allow_downgrades}}
             <MajorUpgrade AllowDowngrades="yes" Schedule="afterInstallInitialize" />