shell-things/etc/systemd/system/gpsd.service.d/aminda-additions.conf

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# As usual this is a systemd drop-in, so I can adjust what gpsd.service does
# without having to fight with package management.
[Service]
Type=exec
# In case the file exists, I can throw my own additional options there
EnvironmentFile=-/etc/gpsd.aminda.conf
# Kernel module possibly required for USB GPS devices especially with Chrony?
ExecStartPre=-/usr/sbin/modprobe pps_ldisc
# Handle failure situation of the socket not going away (ExecStartPost=)
ExecStartPre=-/usr/bin/rm -vf /var/run/gps-share.sock
# Empty ExecStart= before the actual ExecStart= removes the original
# ExecStart= line
ExecStart=
ExecStart=/usr/sbin/gpsd /dev/gps0 --nowait --foreground $AMINDAGPSD
# Creating a socket for geoclue to connect to
# Credit: @schnell at https://gitlab.freedesktop.org/geoclue/geoclue/-/issues/145#note_1772702
ExecStartPost=/bin/sh -c "(sleep 5 && gpspipe --nmea | ( read; read; read; cat ) | ncat --verbose --keep-open --listen --unixsock /var/run/gps-share.sock&)"
# In case of clean shutdown, remove the socket for restart
ExecStopPost=-/usr/bin/rm -vf /var/run/gps-share.sock
# Missing from the original unit, will reconnect all GPS says man gpsd
ExecReload=/usr/bin/killall -HUP gpsd
# Avoiding systemd considering the unit as failed.
Restart=always
RestartSec=5s
# vim: filetype=systemd