d-i partman-auto/method string regular
d-i partman-lvm/device_remove_lvm boolean true
d-i partman-md/device_remove_md boolean true
-d-i partman-auto/choose_recipe select atomic
+d-i partman-lvm/confirm boolean true
+d-i partman-lvm/confirm_nooverwrite boolean true
+
+d-i partman-auto/choose_recipe select efi-root
+d-i partman-auto/expert_recipe string \
+ efi-root :: \
+ 512 512 512 fat32 \
+ $primary{ } $lvmignore{ } \
+ method{ efi } format{ } \
+ . \
+ 4096 4096 -1 ext4 \
+ method{ format } format{ } \
+ use_filesystem{ } filesystem{ ext4 } \
+ mountpoint{ / } \
+ .
+
+d-i partman-basicfilesystems/no_swap boolean false
+
d-i partman/confirm_write_new_label boolean true
d-i partman/choose_partition select finish
d-i partman/confirm boolean true