Install grub-pc and remove grub-efi.

diff --git a/create-image b/create-image
index b95f873..7257853 100755 (executable)
--- a/create-image
+++ b/create-image
@@ -153,7 +153,10 @@ class ImageCreator
           end
 
           puts "Update grub..."
-          unless File.exists? "#{dir}/usr/sbin/grub-mkconfig"
+          if File.exists? "#{dir}/var/lib/dpkg/info/grub-efi-amd64.list"
+            system({'DEBIAN_FRONTEND' => 'noninteractive'}, "chroot", dir, "apt", "remove", "--purge", "-y", "grub-efi-amd64") or raise "Failed to purge grub-efi"
+          end
+          unless File.exists? "#{dir}/var/lib/dpkg/info/grub-pc.list"
             system("chroot", dir, "apt-get", "-qy", "update") or raise "Failed to install grub-pc"
             system({'DEBIAN_FRONTEND' => 'noninteractive'}, "chroot", dir, "apt-get", "-y", "install", "grub-pc")
           end