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modules/sus-then-hib: Switch to systemds suspend-then-hibernate

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fleaz 2024-01-07 16:45:47 +01:00
parent 1987cd3c83
commit 78226909f9
1 changed files with 8 additions and 35 deletions
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43
modules/sus-then-hib.nix
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@ -1,38 +1,11 @@
{ config, pkgs, ... }: let { config, pkgs, ... }:
hibernateEnvironment = { {
HIBERNATE_SECONDS = "3600"; systemd.sleep.extraConfig = "HibernateDelaySec=1h";
HIBERNATE_LOCK = "/var/run/autohibernate.lock";
}; services.logind = {
in { lidSwitch = "suspend-then-hibernate";
systemd.services."awake-after-suspend-for-a-time" = { suspendKey = "suspend-then-hibernate";
description = "Sets up the suspend so that it'll wake for hibernation"; powerKey = "suspend-then-hibernate";
wantedBy = [ "suspend.target" ];
before = [ "systemd-suspend.service" ];
environment = hibernateEnvironment;
script = ''
curtime=$(date +%s)
echo "$curtime $1" >> /tmp/autohibernate.log
echo "$curtime" > $HIBERNATE_LOCK
${pkgs.utillinux}/bin/rtcwake -m no -s $HIBERNATE_SECONDS
'';
serviceConfig.Type = "simple";
};
systemd.services."hibernate-after-recovery" = {
description = "Hibernates after a suspend recovery due to timeout";
wantedBy = [ "suspend.target" ];
after = [ "systemd-suspend.service" ];
environment = hibernateEnvironment;
script = ''
curtime=$(date +%s)
sustime=$(cat $HIBERNATE_LOCK)
rm $HIBERNATE_LOCK
if [ $(($curtime - $sustime)) -ge $(($HIBERNATE_SECONDS - 5)) ] ; then
systemctl hibernate
else
${pkgs.utillinux}/bin/rtcwake -m no -s 1
fi
'';
serviceConfig.Type = "simple";
}; };
} }