patches and low-level development discussion

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
 #!/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 -P 2

  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 $1 $2 }
  if {
    ln -s /usr/lib/spectrum/img/appvm/blk /usr/lib/spectrum/img/appvm/vmlinux
      /run/configs/${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}