patos/pkgs/image/mkimage.sh

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 {} \;

# set default target to multi-user
ln -sf multi-user.target rootfs/usr/lib/systemd/system/default.target

# mount /etc overlay and patos state
ln -sf ../etc.mount rootfs/usr/lib/systemd/system/local-fs.target.wants/etc.mount
ln -sf ../var.mount rootfs/usr/lib/systemd/system/sysinit.target.wants/var.mount

# enable dbus
ln -sf ../dbus.service rootfs/usr/lib/systemd/system/multi-user.target.wants/dbus.service
ln -sf ../dbus.socket rootfs/usr/lib/systemd/system/sockets.target.wants/dbus.socket

# enable network services
ln -sf ../systemd-networkd.service rootfs/usr/lib/systemd/system/sysinit.target.wants/systemd-networkd.service
ln -sf ../systemd-resolved.service rootfs/usr/lib/systemd/system/sysinit.target.wants/systemd-resolved.service
ln -sf ../systemd-timesyncd.service rootfs/usr/lib/systemd/system/multi-user.target.wants/systemd-timesyncd.service

# generate a temporary machine id (replace with overlay later)
$systemd/usr/bin/systemd-machine-id-setup --root=rootfs/

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

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

echo "timeout 1" > boot/loader.conf

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

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

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

rm -rf rootfs
rm -rf boot

popd