From 6866743519d216cea751bc40fe77ef3e92baf584 Mon Sep 17 00:00:00 2001
From: Lawrence Chen <54008264+lawrencecchen@users.noreply.github.com>
Date: Sun, 8 Feb 2026 21:11:28 -0800
Subject: [PATCH] Map Sparkle error 4005 to "Move to Applications" message

Error 4005 (updater permission) with underlying code 10 (cache
directory creation failure) has the same root cause as 1003/1005:
the app isn't in Applications.
---
 Sources/Update/UpdateViewModel.swift | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/Sources/Update/UpdateViewModel.swift b/Sources/Update/UpdateViewModel.swift
index 68a867ed..7fc0bc4f 100644
--- a/Sources/Update/UpdateViewModel.swift
+++ b/Sources/Update/UpdateViewModel.swift
@@ -192,8 +192,6 @@ class UpdateViewModel: ObservableObject {
         }
         if nsError.domain == SUSparkleErrorDomain {
             switch nsError.code {
-            case 4005:
-                return "Updater Permission Error"
             case 2001:
                 return "Couldn't Download Update"
             case 1000, 1002:
@@ -204,7 +202,7 @@ class UpdateViewModel: ObservableObject {
                 return "Insecure Update Feed"
             case 1, 2, 3001, 3002:
                 return "Update Signature Error"
-            case 1003, 1005:
+            case 1003, 1005, 4005:
                 return "Move to Applications"
             default:
                 break
@@ -239,10 +237,8 @@ class UpdateViewModel: ObservableObject {
         }
         if nsError.domain == SUSparkleErrorDomain {
             switch nsError.code {
-            case 4005:
-                return "macOS blocked cmuxterm from updating apps. Open System Settings → Privacy & Security → App Management, allow cmuxterm, then try again."
             case 2001:
-                return "cmuxterm couldn’t download the update feed. Check your connection and try again."
+                return "cmuxterm couldn't download the update feed. Check your connection and try again."
             case 1000, 1002:
                 return "The update feed could not be read. Please try again later."
             case 4:
@@ -250,8 +246,8 @@ class UpdateViewModel: ObservableObject {
             case 3:
                 return "The update feed is insecure. Please contact support."
             case 1, 2, 3001, 3002:
-                return "The update’s signature could not be verified. Please try again later."
-            case 1003, 1005:
+                return "The update's signature could not be verified. Please try again later."
+            case 1003, 1005, 4005:
                 return "Move cmuxterm into Applications and relaunch to enable updates."
             default:
                 break