c039e286b9
This allows Xen (and EC2) to power off an instance properly. We had
this before (see aeb89fc753), but it got
lost in the systemd migration.
27 lines
654 B
Nix
27 lines
654 B
Nix
{ config, pkgs, ... }:
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with pkgs.lib;
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{
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# This unit saves the value of the system clock to the hardware
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# clock on shutdown.
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systemd.units."save-hwclock.service" =
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{ wantedBy = [ "shutdown.target" ];
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text =
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''
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[Unit]
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Description=Save Hardware Clock
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DefaultDependencies=no
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Before=shutdown.target
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[Service]
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Type=oneshot
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ExecStart=${pkgs.utillinux}/sbin/hwclock --systohc ${if config.time.hardwareClockInLocalTime then "--localtime" else "--utc"}
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'';
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};
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boot.kernel.sysctl."kernel.poweroff_cmd" = "${config.systemd.package}/sbin/poweroff";
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}
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