39 lines
1.2 KiB
Nix
39 lines
1.2 KiB
Nix
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{ config, pkgs, ... }: let
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hibernateEnvironment = {
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HIBERNATE_SECONDS = "3600";
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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";
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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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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 $HIBERNATE_SECONDS
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'';
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serviceConfig.Type = "simple";
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};
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systemd.services."hibernate-after-recovery" = {
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description = "Hibernates after a suspend recovery due to timeout";
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wantedBy = [ "suspend.target" ];
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after = [ "systemd-suspend.service" ];
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environment = hibernateEnvironment;
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script = ''
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curtime=$(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 - 5)) ] ; 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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