creating raw images for QEMU

lib/system/debian.rb

@@ -1,4 +1,5 @@
 require 'open3'
+require_relative "utils"
 
 module DebianSystem
   def os_name
@@ -10,6 +11,10 @@ module DebianSystem
     stdout.strip.to_i
   end
 
+  def arch
+    sh("dpkg --print-architecture")
+  end
+
   def install(packages)
     missing_packages = packages.reject { |pkg| package_installed?(pkg) }