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#!/bin/bash
# desktop-assistant: start, stop, restart or check the daemon.
# Copyright (C) 2026 Danilo M. <danix@danix.xyz>
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License version 2 as published
# by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
# Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# assistant.sh start|stop|restart|status
#
# stop: SIGTERM any running assistant.py, SIGKILL after 10 s. start: run it
# in its own session, detached from the terminal, logging where the
# Hyprland autostart does; does nothing for one already running. restart:
# stop, then start. status: the process, the socket and the log's tail;
# exit 1 when it is down.
set -eu
dir=$(cd "$(dirname "$0")" && pwd)
log="${XDG_RUNTIME_DIR:?not in a login session}/desktop-assistant.log"
pat='^\S*python3 (-u )?\S*assistant\.py$' # not a --test run
kill_wait() {
pkill -u "$USER" -f "$1" || return 0
for _ in $(seq 50); do
pgrep -u "$USER" -f "$1" >/dev/null || return 0
sleep 0.2
done
pkill -KILL -u "$USER" -f "$1" && sleep 0.5 || true
}
running() { pgrep -u "$USER" -f "$1" >/dev/null; }
stop() {
kill_wait "$pat"
}
start() {
cd "$dir"
running "$pat" || setsid -f python3 -u "$dir/assistant.py" >>"$log" 2>&1 </dev/null
sleep 0.5
status
}
status() {
local pid
if pid=$(pgrep -u "$USER" -of "$pat"); then
echo "assistant: running"
ps -o pid=,etime=,rss= -p "$pid" | awk '{ printf " pid %s, up %s, %d MB\n", $1, $2, $3 / 1024 }'
else
echo "assistant: not running"
fi
[ -S "$XDG_RUNTIME_DIR/desktop-assistant.sock" ] && echo "socket: present" || echo "socket: missing"
echo "log: $log"
tail -n 5 "$log" 2>/dev/null | sed 's/^/ /'
[ -n "$pid" ]
}
case "${1:-}" in
start) start ;;
stop) stop ;;
restart) stop; start ;;
status) status ;;
*) echo "usage: $0 start|stop|restart|status" >&2; exit 2 ;;
esac
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