[Unit]
Description=ButtonTask Qt5 UI
After=NetworkManager.service
Wants=NetworkManager.service
# Never give up restarting; restart storms are escalated to a reboot by
# buttontask-displaywatch (bt-displaywatch), with a daily cap.
StartLimitIntervalSec=0

[Service]
Type=simple
# GUI watchdog: the binary enables it itself (WATCHDOG_USEC=30s after the
# first rendered frame) and pings once per real frame. No WatchdogSec= here,
# so older binaries without the ping still run under this unit.
NotifyAccess=main
# On a watchdog timeout systemd sends SIGABRT; if the process does not die
# within 10 s (stopped / stuck), SIGKILL instead of the default 90 s wait.
TimeoutAbortSec=10s
User=buttontask
Group=buttontask
SupplementaryGroups=video render input
WorkingDirectory=/opt/buttontask/current
Environment=BUTTONTASK_ROOT=/opt/buttontask
Environment=BUTTONTASK_CONFIG=/opt/buttontask/config/config.json
Environment=QT_QPA_PLATFORM=eglfs
Environment=QT_QPA_EGLFS_INTEGRATION=eglfs_kms
Environment=QT_QPA_EGLFS_HIDECURSOR=1
Environment=XDG_RUNTIME_DIR=/tmp/runtime-buttontask
ExecStart=/opt/buttontask/current/ButtonTask --config /opt/buttontask/config/config.json
Restart=always
RestartSec=3

[Install]
WantedBy=multi-user.target