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|
{ config, lib, pkgs, ... }: let
swaylock = lib.getExe config.programs.swaylock.package;
brightnessctl = lib.getExe pkgs.brightnessctl;
swaymsg = "${pkgs.sway}/bin/swaymsg";
minute = 60; # seconds
suspend_timeout = minute * 60;
suspend_on_battery = pkgs.writeShellApplication {
name = "suspend_on_battery";
runtimeInputs = with pkgs; [ gnugrep systemd sudo coreutils ];
text = let
sudo = "/run/wrappers/bin/sudo";
in ''
is_discharging() {
grep -qFx \
'POWER_SUPPLY_STATUS=Discharging' \
/sys/class/power_supply/*/uevent
}
was_charging=false
while true; do
if is_discharging; then
if [ $was_charging = true ]; then
sleep ${builtins.toString suspend_timeout}
fi
if is_discharging; then
${sudo} systemctl suspend-then-hibernate
fi
fi
was_charging=true
sleep 10
done
'';
};
in {
systemd.user.services.suspend_on_battery = {
Unit.Description = "Suspend on battery";
Service.ExecStart = lib.getExe suspend_on_battery;
};
services.swayidle = {
enable = true;
systemdTarget = "sway-session.target";
events = [{
event = "before-sleep";
command = swaylock;
}];
timeouts = [
{
timeout = minute * 4;
command =
"${brightnessctl} --save; "
+ "${brightnessctl} set 10%-";
resumeCommand = "${brightnessctl} --restore";
}
{
timeout = minute * 5;
command = swaylock;
}
{
timeout = minute * 10;
command =
"${swaymsg} --type command 'output * dpms off'; "
+ "${brightnessctl} -c leds -d platform::kbd_backlight --save; "
+ "${brightnessctl} -c leds -d platform::kbd_backlight set 0";
resumeCommand =
"${brightnessctl} -c leds -d platform::kbd_backlight --restore; "
+ "${swaymsg} --type command 'output * dpms on'";
}
{
timeout = suspend_timeout;
command =
"${pkgs.systemd}/bin/systemctl --user start suspend_on_battery";
resumeCommand =
"${pkgs.systemd}/bin/systemctl --user stop suspend_on_battery";
}
];
};
}
|
