set -ex -o pipefail

mkdir -p $out/repart.d $out/boot
pushd $out

# Don't seem to work just to create a symlink to rootfs derivation?
# ln -sf $rootfs rootfs
mkdir rootfs
cp -prP $rootfs/* rootfs/
find rootfs/ -type d -exec chmod 755 {} \;

$systemd/usr/bin/ukify build \
  --os-release rootfs/etc/os-release \
  --linux $kernel/bzImage \
  --initrd $initrd/initrd.xz \
  --cmdline "console=ttyS0" \
  -o boot/patos-x64.efi

cp ${systemd}/usr/lib/systemd/boot/efi/systemd-bootx64.efi boot/

cat <<EOF > repart.d/10-esp.conf
[Partition]
Type=esp
Format=vfat
SizeMinBytes=96M
SizeMaxBytes=96M
SplitName=-
CopyFiles=/boot/patos-x64.efi:/EFI/Linux/patos-x64.efi
CopyFiles=/boot/systemd-bootx64.efi:/EFI/BOOT/BOOTX64.EFI
EOF

cat <<EOF > repart.d/10-root.conf
[Partition]
Type=root
Format=erofs
CopyFiles=/rootfs:/
Minimize=best
SplitName=root
EOF

$systemd/usr/bin/systemd-repart \
  --no-pager \
  --empty=create \
  --size=1G \
  --definitions=./repart.d \
  --root=$out \
  patos-$version.raw

rm -rf rootfs
rm -rf boot

popd