Initial commit: combine nas_tool, nas_webdav, sync-utils

force_free_space.sh

@@ -0,0 +1,143 @@
+#!/bin/bash
+
+# Force Free Space - Remove APFS and Time Machine Snapshots
+# This script removes snapshots that are holding onto deleted file space
+
+set -e
+
+echo "=== Force Free Space - Remove Snapshots ==="
+echo ""
+echo "This script will remove APFS and Time Machine snapshots that may be"
+echo "holding onto space from deleted files."
+echo ""
+
+# Check current free space
+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: ${FREE_SPACE_GB_BEFORE}GB"
+echo ""
+
+# List current snapshots
+echo "📸 Current Snapshots:"
+echo ""
+
+echo "1. Time Machine Local Snapshots:"
+TM_SNAPSHOTS=$(tmutil listlocalsnapshots / 2>/dev/null | grep -v "Snapshots for disk" | grep -v "^$")
+if [ -n "$TM_SNAPSHOTS" ]; then
+    echo "$TM_SNAPSHOTS" | while read snapshot; do
+        if [ -n "$snapshot" ]; then
+            echo "   - $snapshot"
+        fi
+    done
+else
+    echo "   None found"
+fi
+echo ""
+
+echo "2. APFS System Snapshots:"
+APFS_SNAPSHOTS=$(diskutil apfs listSnapshots / 2>/dev/null | grep -E "Snapshot Name|Snapshot UUID" | head -10)
+if [ -n "$APFS_SNAPSHOTS" ]; then
+    echo "$APFS_SNAPSHOTS"
+else
+    echo "   None found (or cannot list)"
+fi
+echo ""
+
+# Ask for confirmation
+read -p "Do you want to delete Time Machine local snapshots? (y/n) " -n 1 -r
+echo ""
+if [[ $REPLY =~ ^[Yy]$ ]]; then
+    echo ""
+    echo "🗑️  Deleting Time Machine local snapshots..."
+    
+    # Delete each snapshot
+    echo "$TM_SNAPSHOTS" | while read snapshot; do
+        if [ -n "$snapshot" ]; then
+            echo "   Deleting: $snapshot"
+            sudo tmutil deletelocalsnapshots "$snapshot" 2>/dev/null && \
+                echo "   ✓ Deleted $snapshot" || \
+                echo "   ⚠️  Could not delete $snapshot (may be in use)"
+        fi
+    done
+    
+    # Also try to delete all at once
+    sudo tmutil deletelocalsnapshots / 2>/dev/null || true
+    
+    echo "   ✓ Time Machine snapshots cleanup attempted"
+fi
+
+echo ""
+
+# Force purge of purgeable space
+echo "3. Purging Purgeable Space..."
+echo "   This forces macOS to actually free up space from deleted files."
+echo ""
+
+read -p "Do you want to purge purgeable space? (y/n) " -n 1 -r
+echo ""
+if [[ $REPLY =~ ^[Yy]$ ]]; then
+    echo ""
+    echo "   Running purge command..."
+    
+    # Method 1: Use purge command (if available)
+    if command -v purge &> /dev/null; then
+        sudo purge
+        echo "   ✓ Purge command executed"
+    fi
+    
+    # Method 2: Disable and re-enable local snapshots to force cleanup
+    echo "   Disabling local snapshots..."
+    sudo tmutil disablelocal 2>/dev/null || true
+    sleep 2
+    echo "   Re-enabling local snapshots..."
+    sudo tmutil enablelocal 2>/dev/null || true
+    
+    # Method 3: Force Time Machine to clean up
+    echo "   Triggering Time Machine cleanup..."
+    sudo tmutil thinlocalsnapshots / 1000000000 4 2>/dev/null || true
+    
+    echo "   ✓ Purge operations completed"
+fi
+
+echo ""
+
+# Check new free space
+sleep 2
+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 yet (may need to wait or try other methods)"
+fi
+echo ""
+
+if (( $(echo "$FREED_GB < 15" | bc -l) )) && (( $(echo "$FREE_SPACE_GB_AFTER < 5" | bc -l) )); then
+    echo "⚠️  Still low on space. Additional steps:"
+    echo ""
+    echo "1. Wait a few minutes - macOS may still be processing"
+    echo ""
+    echo "2. Restart your Mac - this often frees up snapshot space"
+    echo ""
+    echo "3. Check for large files in other locations:"
+    echo "   ./free_disk_space.sh"
+    echo ""
+    echo "4. Manually delete the Time Machine snapshot:"
+    SNAP=$(tmutil listlocalsnapshots / 2>/dev/null | grep -v "Snapshots for disk" | grep -v "^$" | head -1)
+    if [ -n "$SNAP" ]; then
+        echo "   sudo tmutil deletelocalsnapshots $SNAP"
+    fi
+    echo ""
+    echo "5. Use macOS Storage Management:"
+    echo "   Apple Menu → About This Mac → Storage → Manage"
+    echo "   This tool can identify and remove large system files"
+    echo ""
+fi
+
+echo ""