#!/bin/execlineb -W
# SPDX-License-Identifier: EUPL-1.2+
# SPDX-FileCopyrightText: 2024-2025 Alyssa Ross <hi@alyssa.is>

backtick -E dir { mktemp -d /run/vm/by-id/XXXXXX }
backtick -E id { basename -- $dir }

if {
  elgetpositionals

  if { mkdir -p /run/configs/${id}/fs }
  if { redirfd -w 1 /run/configs/${id}/fs/type echo flatpak }
  if { cd /run/configs/${id}/fs mount-flatpak $@ }
  if {
    ln -s /usr/lib/spectrum/img/appvm/blk /usr/lib/spectrum/img/appvm/vmlinux
      /run/configs/${id}
  }

  if { ln -s /run/configs/${id} ${dir}/config }

  if { create-vm-dependencies $id }

  piperw 4 3
  background {
    fdclose 3
    fdmove 0 4

    # Wait for the VMM to be up, then start the VM.
    if { redirfd -w 1 /dev/null head -1 }
    vm-start $id
  }
  fdclose 4

  foreground { run-vmm $id }
}

if { s6-instance-delete -- /run/service/vm-services $id }

if {
  elglob -0 flatpak_dir_mounts /run/configs/${id}/fs/flatpak/*/*/*/*/*
  forx -E mount {
    ${dir}/fs/doc
    /run/configs/${id}/fs/flatpak/repo/config
    $flatpak_dir_mounts
    /run/configs/${id}/fs/flatpak
    ${dir}/fs/config
  }
  umount $mount
}

rm -r $dir /run/configs/${id}