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mesh-catalog/modules/asus-zephyrus-g14/files/bin/zephyrus-session
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jochen 1059f12ee0 asus-zephyrus-g14: the laptop's keys, scripts and i3 lines are the module's, with a resume backstop
The i3 and laptop READMEs each pointed at the other for 10-asus.conf and 20-g14.conf,
so nobody owned them. The module now writes both (adopted paths, so no duplicate
binding breaks i3's config check), ships the scripts they call, runs the media keys
with notifications again, and brings back the touchpad reset after resume as a unit
the sleep services want. zephyrus_keys answers what each custom key runs; the check
flags as-user, thd's account and the resume unit. xorg-xinput is the xorg module's.
2026-10-04 15:49:46 +02:00

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#!/bin/bash
# zephyrus-session COMMAND [ARG...] — run a command in the operator's graphical session from outside
# it: from a vendor-key trigger, which triggerhappy runs as the operator's account but with none of
# the session's environment. Shipped by the mesh's asus-zephyrus-g14 module; edit the catalogue.
#
# What it replaces: the predecessor's `as-user`, which triggerhappy ran as root and which `su`-ed to
# a named person with a hard-coded user id and display, and sourced a file of secrets on the way.
# Here the account is whoever runs it, the bus is that account's, and the display is the one the
# account's own session uses. Nothing is sourced.
set -u
uid=$(id -u)
export XDG_RUNTIME_DIR="/run/user/${uid}"
export DBUS_SESSION_BUS_ADDRESS="unix:path=${XDG_RUNTIME_DIR}/bus"
home=$(getent passwd "$uid" | cut -d: -f6)
[ -n "$home" ] && export HOME="$home"
# The session's own window manager says best which display and authority the session uses: read
# them from its environment, as the desktop modules' session finder does. Then logind, then any
# process of this account that has a display.
from_environ() {
env=$(tr '\0' '\n' <"/proc/$1/environ" 2>/dev/null) || return 1
d=$(printf '%s\n' "$env" | sed -n 's/^DISPLAY=//p' | head -n1)
[ -n "$d" ] || return 1
export DISPLAY="$d"
a=$(printf '%s\n' "$env" | sed -n 's/^XAUTHORITY=//p' | head -n1)
[ -n "$a" ] && export XAUTHORITY="$a"
return 0
}
if [ -z "${DISPLAY:-}" ]; then
for pid in $(pgrep -xu "$uid" i3 2>/dev/null); do
from_environ "$pid" && break
done
fi
if [ -z "${DISPLAY:-}" ]; then
for s in $(loginctl list-sessions --no-legend 2>/dev/null | awk -v u="$uid" '$2 == u { print $1 }'); do
d=$(loginctl show-session "$s" -p Display --value 2>/dev/null)
if [ -n "$d" ]; then export DISPLAY="$d"; break; fi
done
fi
if [ -z "${DISPLAY:-}" ]; then
for pid in $(pgrep -u "$uid" 2>/dev/null); do
from_environ "$pid" && break
done
fi
: "${XAUTHORITY:=${HOME}/.Xauthority}"
export XAUTHORITY
exec "$@"