nix-files/hosts/common/programs/swaynotificationcenter/swaync-service-dispatcher

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#!/usr/bin/env nix-shell
#!nix-shell -i bash -p s6 -p s6-rc -p systemd
# for default $PATH to take precedence over nix-shell PATH if invoked interactively,
# otherwise we invoke a s6-rc which does not know where to find files.
export PATH="/etc/profiles/per-user/$(whoami)/bin:/run/current-system/sw/bin:$PATH"
action="$1"
type="$2"
service="$3"
log() {
if [ -n "$SWAYNC_DEBUG" ]; then
printf "%s\n" "$1"
fi
}
checkActive() {
case "$type" in
systemd)
systemctl is-active "$service.service" > /dev/null && echo true || echo false
;;
s6)
# simulate a dry-run start. if no actions would be performed, then the service is up.
# alternative is s6-svstat, but that doesn't support oneshots
test -z "$(s6-rc -n 0 -b start "$service")" && echo true || echo false
;;
esac
}
startService() {
log "startService: $service"
case "$type" in
systemd)
/run/wrappers/bin/sudo systemctl start "$service"
;;
s6)
s6-rc -b start "$service"
;;
esac
}
stopService() {
log "stopService: $service"
case "$type" in
systemd)
/run/wrappers/bin/sudo systemctl stop "$service"
;;
s6)
s6-rc -b stop "$service"
;;
esac
}
case "$action" in
print)
checkActive
;;
toggle)
case "$(checkActive)" in
false)
startService
;;
true)
stopService
;;
esac
;;
esac