Initial remote commit

test/check_deleted_orphans.py

@@ -0,0 +1,20 @@
+print(f"\nOrphaned roots: {len(true_roots)}")
+print(f"{'inode':>12}  {'parent':>12}  {'status':>12}  {'dtime':>12}  reason")
+print('-' * 75)
+
+with open(DEV, 'rb') as f:
+    for inum, parent, reason in sorted(true_roots):
+        try:
+            idata, slot = read_inode(f, sb, gdt_data, inum)
+            status = classify_inode(idata, slot)
+            dtime  = struct.unpack_from('<I', idata, slot + 20)[0]
+            # Format dtime as human readable if set
+            if dtime:
+                import datetime
+                dt = datetime.datetime.fromtimestamp(dtime).strftime('%Y-%m-%d %H:%M:%S')
+            else:
+                dt = 'never'
+        except Exception:
+            status, dt = 'unreadable', 'unknown'
+
+        print(f"{inum:>12}  {parent:>12}  {status:>12}  {dt:>19}  {reason}")