Add disable spotlight

README.md

@@ -328,6 +328,30 @@ Customizes macOS menu bar item spacing for a cleaner look, especially useful on
 
 This configuration runs during system activation to apply menu bar spacing preferences without requiring manual `defaults` commands.
 
+#### Spotlight Indexing (Disabled)
+Spotlight indexing is completely disabled in this configuration to:
+- Reduce CPU usage and battery drain
+- Free up disk space (index can be several GB)
+- Prevent unwanted file scanning
+
+**⚠️ Warning**: Disabling Spotlight affects:
+- Mail.app search functionality
+- Time Machine file restoration interface
+- App Store search
+- Some third-party apps that rely on Spotlight
+
+**Management Commands**:
+```bash
+# Check Spotlight status
+sudo mdutil -a -s
+
+# Re-enable Spotlight if needed
+sudo mdutil -a -i on
+
+# Rebuild index after re-enabling
+sudo mdutil -E /
+```
+
 ## 🔐 SSH Configuration
 
 **Configuration**: `modules/ssh.nix`  

system/macos-defaults.nix

@@ -12,5 +12,15 @@
     echo "Setting menu bar spacing preferences..."
     sudo -u yanlin defaults -currentHost write -globalDomain NSStatusItemSpacing -int 10
     sudo -u yanlin defaults -currentHost write -globalDomain NSStatusItemSelectionPadding -int 5
+    
+    echo "Disabling Spotlight indexing..."
+    # Disable Spotlight indexing for all volumes
+    # WARNING: This will break Mail.app search, Time Machine, and other features
+    # To re-enable: sudo mdutil -a -i on
+    sudo mdutil -a -i off
+    
+    # Erase existing Spotlight index to free up disk space
+    echo "Erasing existing Spotlight index..."
+    sudo mdutil -E /
   '';
 }