46 lines
1.4 KiB
Nix
46 lines
1.4 KiB
Nix
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{ config, pkgs, ... }:
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let
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hibernateEnvironment = {
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HIBERNATE_SECONDS = "10";
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HIBERNATE_LOCK = "/var/run/autohibernate.lock";
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};
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in {
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systemd.services."awake-after-suspend-for-a-time" = {
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description = "Sets up the suspend so that it'll wake for hibernation only if not on AC power";
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wantedBy = [ "suspend.target" ];
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before = [ "systemd-suspend.service" ];
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environment = hibernateEnvironment;
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script = ''
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if [ $(cat /sys/class/power_supply/ACAD/online) -eq 0 ]; then
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curtime=$(date +%s)
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echo "$curtime $1" >> /tmp/autohibernate.log
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echo "$curtime" > $HIBERNATE_LOCK
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${pkgs.utillinux}/bin/rtcwake -m no -s $HIBERNATE_SECONDS
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else
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echo "System is on AC power, skipping wake-up scheduling for hibernation." >> /tmp/autohibernate.log
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fi
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'';
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serviceConfig.Type = "simple";
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};
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systemd.services."hibernate-after-recovery" = {
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description = "Hibernates after a suspend recovery due to timeout";
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wantedBy = [ "suspend.target" ];
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after = [ "systemd-suspend.service" ];
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environment = hibernateEnvironment;
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script = ''
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curtime=$(date +%s)
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sustime=$(cat $HIBERNATE_LOCK)
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rm $HIBERNATE_LOCK
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if [ $(($curtime - $sustime)) -ge $HIBERNATE_SECONDS ] ; then
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systemctl hibernate
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else
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${pkgs.utillinux}/bin/rtcwake -m no -s 1
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fi
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'';
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serviceConfig.Type = "simple";
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};
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}
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