Better file back ups

dependency.lic

@@ -189,6 +189,11 @@ class ScriptManager
       return
     end
     return if get_versions[filename] == info['sha']
+
+    if File.exist?("./scripts/#{filename}") && !get_versions[filename]
+      File.rename('./scripts/' + filename, './scripts/' + filename + "#{Time.now.to_i}.bak") }
+    end
+
     echo("info:#{info}") if @debug
     blob = make_request(info['url'])
     File.open("./scripts/#{filename}", 'w') { |file| file.print(Base64.decode64(blob['content'])) }
@@ -429,7 +434,7 @@ end
 
 def replace_all
   respond 'Renaming existing scripts to replaced-script.lic.bak'
-  managed_scripts.each { |script| File.rename('./scripts/' + script, './scripts/' + script + '.bak') }
+  managed_scripts.each { |script| File.rename('./scripts/' + script, './scripts/' + script + "#{Time.now.to_i}.bak") }
   respond 'Downloading all scripts'
   $manager.repo_scripts.each(&method(:get_script))
 end