Improve caching, performance and add dry-run

app/Bunny/Filesystem/CompareOptions.php

@@ -0,0 +1,14 @@
+<?php
+
+
+namespace App\Bunny\Filesystem;
+
+
+class CompareOptions
+{
+    const START = 'start';
+    const NO_SHA256_CACHE = 'no_sha256_cache';
+    const NO_SHA256_GENERATION = 'no_sha256_generation';
+    const SHA256_NAME = 'sha256_name';
+    const DRY_RUN = 'dry-run';
+}