#!/bin/execlineb -WP
# SPDX-License-Identifier: EUPL-1.2+
# SPDX-FileCopyrightText: 2021, 2023, 2025-2026 Alyssa Ross <hi@alyssa.is>

importas -Siu WAYLAND_DISPLAY

piperw 4 3
background {
  fdclose 3

  if {
    fdmove -c 0 4
    redirfd -w 1 /dev/null
    head -c 1
  }
  fdclose 4

  if { chmod -- 0770 $WAYLAND_DISPLAY }
  if { chgrp -- wayland $WAYLAND_DISPLAY }

  fdmove -c 1 5
  echo
}
fdclose 4
fdclose 5

if { install -do wayland -g wayland -m 0770 /run/wayland }
if { chown wayland /dev/tty0 /dev/tty1 }
export XDG_CONFIG_HOME /etc/xdg
redirfd -r 0 /dev/tty1

if { udevadm settle }
s6-notify-fd-from-socket -33
s6-setuidgid wayland
bwrap
  # no --unshare-net, broke Weston's udev hotplug and readiness notification
  # uses abstract namespace socket.
  --unshare-ipc
  --unshare-uts
  --unshare-cgroup
  --cap-add CAP_SYS_TTY_CONFIG
  --dev-bind /dev /dev
  --bind /run /run
  --ro-bind /etc /etc
  --ro-bind /nix /nix
  --ro-bind /usr /usr
  --ro-bind /lib /lib
  --ro-bind /bin /bin
  --ro-bind /sbin /sbin
  # For /run/seatd.sock
  --tmpfs /run
  # For OpenGL/Vulkan/etc
  --ro-bind /run/opengl-driver /run/opengl-driver
  # For udev
  --ro-bind /run/udev /run/udev
  --bind /run/root-terminal /run/root-terminal
  --tmpfs /tmp
  --tmpfs /dev/shm
  # Filtered /proc (without nasty stuff)
  --proc /proc
  --ro-bind /proc/sys /proc/sys
  --tmpfs /proc/fs
  --remount-ro /proc/fs
  --tmpfs /proc/irq
  --remount-ro /proc/irq
  --ro-bind /dev/null /proc/kallsyms
  --ro-bind /sys /sys
  --dev /dev
  # GPUs
  --dev-bind /dev/dri /dev/dri
  # Input devices
  --dev-bind /dev/input /dev/input
  # Virtual consoles
  --dev-bind /dev/tty1 /dev/tty1
  --dev-bind /dev/tty0 /dev/tty0
  # Kernel console
  --dev-bind /dev/console /dev/console
  # Listening socket
  --bind /run/wayland /run/wayland
  # Workaround for https://github.com/pop-os/cosmic-comp/pull/2547
  --dir /run/systemd/system
  --
cosmic-comp --no-xwayland --socket-path $WAYLAND_DISPLAY