Initial commit: combine nas_tool, nas_webdav, sync-utils

free_space_without_snapshot_growth.sh

@@ -0,0 +1,156 @@
+#!/bin/bash
+
+# Free Space Without Triggering Snapshot Growth
+# Delete files that are ALREADY in snapshots or don't trigger snapshots
+
+set -e
+
+echo "=== Free Space Without Snapshot Growth ==="
+echo ""
+echo "⚠️  CRITICAL: Stop deleting regular files!"
+echo "   Every file you delete is preserved in the OS snapshot,"
+echo "   making System Data grow."
+echo ""
+echo "Instead, delete files that DON'T trigger snapshot growth:"
+echo ""
+
+FREE_SPACE_BEFORE=$(df / | tail -1 | awk '{print $4}')
+FREE_SPACE_GB_BEFORE=$(echo "scale=2; $FREE_SPACE_BEFORE / 1024 / 1024" | bc)
+echo "Current free space: ${FREE_SPACE_GB_BEFORE}GB"
+echo ""
+
+echo "🔧 Safe to Delete (Won't Grow System Data):"
+echo ""
+
+# 1. Caches (already cached, deleting doesn't create new snapshots)
+echo "1. Library Caches (~6GB):"
+CACHE_SIZE=$(du -sh ~/Library/Caches 2>/dev/null | awk '{print $1}' || echo "0")
+echo "   Size: $CACHE_SIZE"
+echo "   Command: rm -rf ~/Library/Caches/*"
+echo "   ✅ Safe - caches are temporary"
+echo ""
+
+# 2. User cache
+echo "2. User Cache (~3GB):"
+USER_CACHE=$(du -sh ~/.cache 2>/dev/null | awk '{print $1}' || echo "0")
+echo "   Size: $USER_CACHE"
+echo "   Command: rm -rf ~/.cache/*"
+echo "   ✅ Safe - temporary files"
+echo ""
+
+# 3. Downloads (if already backed up)
+echo "3. Downloads (~9GB):"
+DOWNLOADS_SIZE=$(du -sh ~/Downloads 2>/dev/null | awk '{print $1}' || echo "0")
+echo "   Size: $DOWNLOADS_SIZE"
+echo "   ⚠️  Only if files are already on NAS"
+echo "   Command: rm -rf ~/Downloads/*"
+echo ""
+
+# 4. Trash
+echo "4. Trash:"
+TRASH_SIZE=$(du -sh ~/.Trash 2>/dev/null | awk '{print $1}' || echo "0")
+echo "   Size: $TRASH_SIZE"
+echo "   Command: rm -rf ~/.Trash/*"
+echo "   ✅ Safe - already deleted"
+echo ""
+
+# 5. npm cache
+echo "5. npm Cache (~1GB):"
+NPM_SIZE=$(du -sh ~/.npm 2>/dev/null | awk '{print $1}' || echo "0")
+echo "   Size: $NPM_SIZE"
+echo "   Command: npm cache clean --force"
+echo "   ✅ Safe - can be regenerated"
+echo ""
+
+TOTAL_SAFE=$(echo "6 + 3 + 1" | bc)
+echo "Estimated safe space to free: ~${TOTAL_SAFE}GB"
+echo ""
+
+read -p "Clean these safe items now? (y/n) " -n 1 -r
+echo ""
+if [[ $REPLY =~ ^[Yy]$ ]]; then
+    echo ""
+    echo "🧹 Cleaning safe items..."
+    
+    # Clean caches
+    if [ -d ~/Library/Caches ]; then
+        rm -rf ~/Library/Caches/* 2>/dev/null || true
+        echo "   ✅ Cleaned Library/Caches"
+    fi
+    
+    if [ -d ~/.cache ]; then
+        rm -rf ~/.cache/* 2>/dev/null || true
+        echo "   ✅ Cleaned user cache"
+    fi
+    
+    # Clean trash
+    if [ -d ~/.Trash ]; then
+        rm -rf ~/.Trash/* 2>/dev/null || true
+        echo "   ✅ Emptied Trash"
+    fi
+    
+    # Clean npm
+    if command -v npm &> /dev/null && [ -d ~/.npm ]; then
+        npm cache clean --force 2>/dev/null || true
+        echo "   ✅ Cleaned npm cache"
+    fi
+    
+    echo ""
+    echo "⏳ Waiting for system to update..."
+    sleep 5
+fi
+
+# Check results
+FREE_SPACE_AFTER=$(df / | tail -1 | awk '{print $4}')
+FREE_SPACE_GB_AFTER=$(echo "scale=2; $FREE_SPACE_AFTER / 1024 / 1024" | bc)
+FREED_GB=$(echo "scale=2; $FREE_SPACE_GB_AFTER - $FREE_SPACE_GB_BEFORE" | bc)
+
+echo ""
+echo "=== Results ==="
+echo "   Before: ${FREE_SPACE_GB_BEFORE}GB free"
+echo "   After:  ${FREE_SPACE_GB_AFTER}GB free"
+if (( $(echo "$FREED_GB > 0" | bc -l) )); then
+    echo "   ✅ Freed: ${FREED_GB}GB"
+else
+    echo "   ⚠️  No space freed (may need restart)"
+fi
+echo ""
+
+echo "=== CRITICAL INSTRUCTIONS ==="
+echo ""
+echo "1. ⛔ STOP DELETING REGULAR FILES"
+echo "   Every file you delete makes System Data grow!"
+echo ""
+echo "2. ✅ Only delete:"
+echo "   - Caches (already done above)"
+echo "   - Trash (already done above)"
+echo "   - Files that are already on NAS"
+echo ""
+echo "3. 🚀 Install macOS Update NOW:"
+echo "   System Settings → General → Software Update"
+echo "   Install macOS Tahoe 26.2"
+echo ""
+echo "   The update will:"
+echo "   - Clear the old snapshot"
+echo "   - Free the 351GB in System Data"
+echo "   - Stop the snapshot growth problem"
+echo ""
+echo "4. ⏳ If you don't have enough space for update:"
+echo "   - The update needs ~3.6GB"
+echo "   - Try downloading it first (may work with less space)"
+echo "   - Or move files to NAS instead of deleting"
+echo ""
+
+if (( $(echo "$FREE_SPACE_GB_AFTER < 4" | bc -l) )); then
+    echo "⚠️  Still low on space for update."
+    echo ""
+    echo "   Try downloading the update first:"
+    echo "   sudo softwareupdate --download --all"
+    echo ""
+    echo "   Or move (don't delete) large files to NAS:"
+    echo "   - Documents folder (40GB)"
+    echo "   - .ollama models (17GB)"
+    echo ""
+fi
+
+echo ""