From f7a36ce662b812fba299dc58fbbd46bcdd86e724 Mon Sep 17 00:00:00 2001
From: Yan Lin <github@yanlincs.com>
Date: Sat, 23 Aug 2025 22:06:30 +0800
Subject: [PATCH] Add disable spotlight

---
 README.md                 | 24 ++++++++++++++++++++++++
 system/macos-defaults.nix | 10 ++++++++++
 2 files changed, 34 insertions(+)

diff --git a/README.md b/README.md
index 038437c..36b5033 100644
--- a/README.md
+++ b/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`  
diff --git a/system/macos-defaults.nix b/system/macos-defaults.nix
index e138080..64ba6eb 100644
--- a/system/macos-defaults.nix
+++ b/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 /
   '';
 }