Initial commit: combine nas_tool, nas_webdav, sync-utils

2026-02-18 22:59:43 +08:00
commit 526c6a5521
77 changed files with 7898 additions and 0 deletions
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+#!/bin/bash
+
+# Cleanup Ghost Time Machine Snapshot
+# Sometimes snapshots appear in the list but don't actually exist or take space
+
+set -e
+
+echo "=== Cleanup Ghost Time Machine Snapshot ==="
+echo ""
+
+# Check current free space
+FREE_SPACE=$(df / | tail -1 | awk '{print $4}')
+FREE_SPACE_GB=$(echo "scale=2; $FREE_SPACE / 1024 / 1024" | bc)
+echo "Current free space: ${FREE_SPACE_GB}GB"
+echo ""
+
+# List snapshots
+SNAPSHOTS=$(tmutil listlocalsnapshots / 2>/dev/null | grep -v "Snapshots for disk" | grep -v "^$")
+if [ -z "$SNAPSHOTS" ]; then
+    echo "✅ No snapshots found - all clean!"
+    exit 0
+fi
+
+echo "Found snapshot(s):"
+echo "$SNAPSHOTS" | sed 's/^/  - /'
+echo ""
+
+# The snapshot might be a ghost entry. Let's try several methods:
+
+echo "Attempting cleanup methods..."
+echo ""
+
+# Method 1: Try deleting with date format
+echo "Method 1: Delete by date..."
+echo "$SNAPSHOTS" | while read snapshot; do
+    if [ -n "$snapshot" ]; then
+        # Extract date: com.apple.TimeMachine.2025-12-31-101235.backup -> 2025-12-31-101235
+        SNAP_DATE=$(echo "$snapshot" | sed 's/.*\.\([0-9]\{4\}-[0-9]\{2\}-[0-9]\{2\}-[0-9]\{6\}\)\.backup/\1/')
+        if [ -n "$SNAP_DATE" ]; then
+            echo "  Trying: sudo tmutil deletelocalsnapshots $SNAP_DATE"
+            if sudo tmutil deletelocalsnapshots "$SNAP_DATE" 2>/dev/null; then
+                echo "  ✅ Success!"
+            else
+                echo "  ⚠️  Failed (may be ghost entry)"
+            fi
+        fi
+    fi
+done
+
+echo ""
+
+# Method 2: Thin all snapshots (aggressive)
+echo "Method 2: Aggressive thinning..."
+sudo tmutil thinlocalsnapshots / 1000000000 1 2>&1 || true
+echo "  ✓ Thinning completed"
+
+echo ""
+
+# Method 3: Check if it's actually taking space
+echo "Method 3: Checking if snapshot actually exists..."
+APFS_SNAPSHOTS=$(diskutil apfs listSnapshots / 2>/dev/null | grep -i "timemachine" || echo "")
+if [ -z "$APFS_SNAPSHOTS" ]; then
+    echo "  ℹ️  Snapshot not found in APFS snapshot list"
+    echo "  This confirms it's likely a ghost entry in Time Machine's database"
+    echo ""
+    echo "  The snapshot entry may persist in Time Machine's database but:"
+    echo "  - It's not taking up space (space was already freed)"
+    echo "  - It will likely clear when Time Machine successfully backs up"
+    echo "  - Or it may clear on the next macOS update/restart"
+fi
+
+echo ""
+
+# Final check
+sleep 2
+REMAINING=$(tmutil listlocalsnapshots / 2>/dev/null | grep -v "Snapshots for disk" | grep -v "^$" | wc -l | tr -d ' ')
+
+if [ "$REMAINING" -gt 0 ]; then
+    echo "⚠️  Snapshot still listed, but this is likely a ghost entry."
+    echo ""
+    echo "✅ Good news: Your space was already freed (${FREE_SPACE_GB}GB free)!"
+    echo ""
+    echo "The ghost entry should clear when:"
+    echo "  1. Time Machine successfully completes a backup"
+    echo "  2. macOS updates"
+    echo "  3. Or it may persist but won't cause issues"
+    echo ""
+    echo "You can safely ignore it - it's not taking up space."
+else
+    echo "✅ Snapshot successfully removed!"
+fi
+
+echo ""