+ cur_mib=$(dev-mib)
+ if [[ ! $disk_mib ]] || (( cur_mib < disk_mib )); then
+ disk_mib=$cur_mib
+ fi
+ done
+ fi
+
+ for dev in ${devs[@]}; do
+ if [[ $SPECIAL_DISK ]]; then
+ dev=$(devbyid $SPECIAL_DISK)
+ fi
+
+ # parted will round up the disk size. Do -1 so we can have
+ # fully 1MiB unit partitions for easy resizing of the last partition.
+ # Otherwise we would pass in -0 for the end argument for the last partition.
+ #
+ # Note: parted print error output is expected. example:
+ # Error: /dev/vda: unrecognised disk label
+ if ! $even_raid; then
+ disk_mib=$(dev-mib)
+ fi
+ root_end=$(( disk_mib - swap_mib - boot_mib / ${#boot_devs[@]} ))
+ swap_end=$(( root_end + swap_mib))
+
+ parted -s $dev mklabel gpt
+ # MiB because parted complains about alignment otherwise.
+ pcmd="parted -a optimal -s -- $dev"
+ $pcmd mkpart primary ext3 524MiB ${root_end}MiB
+ # without naming, systemd gives us misc errors like:
+ # dev-disk-by\x2dpartlabel-primary.device: Dev dev-disk-by\x2dpartlabel-primary.device appeared twice
+ $pcmd name $rootn root
+ # normally a swap is type "linux-swap", but this is encrypted swap. using that
+ # label will confuse systemd.
+ $pcmd mkpart primary "" ${root_end}MiB ${swap_end}MiB
+ $pcmd name $swapn swap
+ $pcmd mkpart primary "" ${swap_end}MiB ${disk_mib}MiB
+ $pcmd name $bootn boot
+ # eufi = bloated, half a gig gimme a break.
+ $pcmd mkpart primary "fat32" 12MiB 524MiB
+ $pcmd name $efin efi
+ $pcmd set $efin esp on
+ # note, this is shown here: https://support.system76.com/articles/bootloader/
+ # but not mentioned https://wiki.archlinux.org/index.php/EFI_system_partition
+ # probably not needed
+ $pcmd set $bootn boot on
+ # i only need a few k, but googling min size,
+ # I found someone saying that gparted required
+ # required at least 8 because of their hard drive cylinder size.
+ # And 8 is still very tiny.
+ $pcmd mkpart primary "ext2" 4MiB 12MiB
+ $pcmd name $grub_extn grubext
+ # gpt ubuntu cloud image uses ~4 mb for this partition. fai uses 1 MiB.
+ # so, I use 3, whatever.
+ # note: parted manual saying cheap flash media
+ # should to start at 4.
+ $pcmd mkpart primary "" 1MiB 4MiB
+ $pcmd name $bios_grubn biosgrub
+ $pcmd set $bios_grubn bios_grub on
+ $pcmd set $bootn boot on # generally not needed on modern systems
+ # the mkfs failed before on a vm, which prompted me to add
+ # sleep .1
+ # then it failed again on a physical machine
+ # with:
+ # Device /dev/disk/by-id/foo doesn't exist or access denied,
+ # so I added a wait until it existed.
+ # Then I added the mkfs.ext2, which claimed to succeed,
+ # but then couldn't be found upon reboot. In that case we didn't
+ # wait at all. So I've added a 3 second minimum wait.
+ sleep 3
+ secs=0
+ while [[ ! -e $(rootdev) ]] && (( secs < 10 )); do
+ sleep 1
+ secs=$((secs +1))