diff --git a/sys/BootSync/bootsync.hook b/sys/BootSync/bootsync.hook
index 36ff48b..54ab194 100644
--- a/sys/BootSync/bootsync.hook
+++ b/sys/BootSync/bootsync.hook
@@ -8,7 +8,20 @@ Operation = Upgrade
 Operation = Remove
 Type = File
 Target = boot/*
+Target = usr/lib/modules/*/vmlinuz
+Target = usr/lib/initcpio/*
+
+[Trigger]
+Operation = Install
+Operation = Upgrade
+Operation = Remove
+Type = Package
+Target = linux
+Target = mkinitcpio
 
 [Action]
 When = PostTransaction
 Exec = /usr/local/bin/bootsync
+Depends = python-magic
+Depends = python-psutil
+Depends = python-lxml
diff --git a/sys/find_dupes.py b/sys/find_dupes.py
index e69de29..e50ca05 100644
--- a/sys/find_dupes.py
+++ b/sys/find_dupes.py
@@ -0,0 +1,16 @@
+#!/usr/bin/env python3
+
+import argparse
+import hashlib
+import os
+
+
+_supported_hashes = hashlib.algorithms_available
+
+
+class Hasher(object):
+    def __init__(self, hashalgo = None):
+        if hashalgo not in _supported_hashes:
+            raise ValueError('hashalgo not in supported hash algorithm types')
+        self.hash = hashlib.new(hashalgo)
+        self.hashes = {}