From 32155ec2dc203ec4b6b172db08757ce6c8ca6cec Mon Sep 17 00:00:00 2001
From: thinktankmachine <laval95@tutanota.com>
Date: Thu, 7 Aug 2025 08:56:41 +1000
Subject: [PATCH] Fix Cursor update crashes and keymapping issues on NixOS

---
 README.md | 18 +++++++++++++++---
 home.nix  | 30 ++++++++++++++++++++++++------
 2 files changed, 39 insertions(+), 9 deletions(-)

diff --git a/README.md b/README.md
index 0b1455b..145db09 100644
--- a/README.md
+++ b/README.md
@@ -223,9 +223,21 @@ cursor
 
 **Symptoms**: `Error: Cannot find module './build/Debug/keymapping'`
 
-**Solution**: These are cosmetic errors and don't prevent Cursor from working. The enhanced wrapper should reduce these errors.
+**Solution**: These are cosmetic errors and don't prevent Cursor from working. The enhanced wrapper includes additional environment variables to reduce these errors.
 
-#### 3. Library Loading Issues
+#### 3. Update Mechanism Crashes
+
+**Symptoms**: Cursor crashes when trying to update, shows "update available" but fails to install
+
+**Solution**: The enhanced wrapper disables Cursor's auto-update mechanism to prevent crashes. To update Cursor, use the flake's update process instead:
+
+```bash
+# Update to a new version
+./update-cursor-hash.sh
+sudo nixos-rebuild switch --flake .#your-system
+```
+
+#### 4. Library Loading Issues
 
 **Symptoms**: Various library-related errors
 
@@ -238,7 +250,7 @@ sudo nixos-rebuild switch --flake .#your-system
 rm -rf ~/.cache/appimage-run/*
 ```
 
-#### 4. Git Authentication Issues
+#### 5. Git Authentication Issues
 
 **Symptoms**: `fatal: Authentication failed`
 
diff --git a/home.nix b/home.nix
index f5976d6..082a57b 100644
--- a/home.nix
+++ b/home.nix
@@ -1,13 +1,17 @@
 { config, pkgs, lib, ... }:
 
 let
-  # Cursor 1.3.9 AppImage wrapper with enhanced compatibility
+  # Cursor 1.3.9 AppImage wrapper with enhanced compatibility and update handling
   cursorAppImage = pkgs.writeShellScriptBin "cursor" ''
     # Set up environment for better AppImage compatibility
     export APPDIR=""
     export ARGV0=""
     export OWD=""
     
+    # Disable Cursor's auto-update mechanism to prevent crashes
+    export CURSOR_DISABLE_UPDATE="1"
+    export CURSOR_SKIP_UPDATE_CHECK="1"
+    
     # Ensure proper library paths
     export LD_LIBRARY_PATH="${pkgs.lib.makeLibraryPath [
       pkgs.glib
@@ -32,13 +36,27 @@ let
       pkgs.at-spi2-core
       pkgs.mesa
       pkgs.alsa-lib
+      pkgs.fuse
     ]}:$LD_LIBRARY_PATH"
     
-    # Run the AppImage with appimage-run
-    exec ${pkgs.appimage-run}/bin/appimage-run ${pkgs.fetchurl {
-      url = "https://downloads.cursor.com/production/54c27320fab08c9f5dd5873f07fca101f7a3e076/linux/x64/Cursor-1.3.9-x86_64.AppImage";
-      sha256 = "076ijp033xjg09aqjhjm6sslvq0hsjga35840m3br722lqpi6jfj";
-    }} "$@"
+    # Set additional environment variables to handle keymapping issues
+    export ELECTRON_DISABLE_SECURITY_WARNINGS="1"
+    export ELECTRON_NO_ATTACH_CONSOLE="1"
+    
+    # Create a temporary directory for Cursor's cache to avoid permission issues
+    export CURSOR_CACHE_DIR="/tmp/cursor-cache-$$"
+    mkdir -p "$CURSOR_CACHE_DIR"
+    
+    # Run the AppImage with appimage-run and additional flags
+    exec ${pkgs.appimage-run}/bin/appimage-run \
+      --no-sandbox \
+      ${pkgs.fetchurl {
+        url = "https://downloads.cursor.com/production/54c27320fab08c9f5dd5873f07fca101f7a3e076/linux/x64/Cursor-1.3.9-x86_64.AppImage";
+        sha256 = "076ijp033xjg09aqjhjm6sslvq0hsjga35840m3br722lqpi6jfj";
+      }} \
+      --disable-updates \
+      --no-update-check \
+      "$@"
   '';
 in
 {