Flatten else branch in #unpack

lib/backup/manager.rb

@@ -136,11 +136,10 @@ module Backup
             exit 1
           end
 
-        else
         # check for existing backups in the backup dir
-          if File.exist?(File.join(backup_path, 'backup_information.yml'))
+        elsif File.exist?(File.join(backup_path, 'backup_information.yml'))
           progress.puts "Non tarred backup found in #{backup_path}, using that"
-            return false
+          break false
         elsif backup_file_list.empty?
           progress.puts "No backups found in #{backup_path}"
           progress.puts "Please make sure that file name ends with #{FILE_NAME_SUFFIX}"
@@ -155,7 +154,6 @@ module Backup
         else
           tar_file = backup_file_list.first
         end
-        end
 
         progress.print 'Unpacking backup ... '