38 lines
1.4 KiB
Nix
38 lines
1.4 KiB
Nix
{ config, pkgs, ... }:
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{
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# adapted from:
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# https://github.com/Mic92/dotfiles/blob/020180880d9413e076073889f82c4751a27734e9/nixos/modules/update-prefetch.nix
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# https://github.com/NixOS/nixpkgs/blob/3428bdf3c93a7608615dddd44dec50c3df89b4be/nixos/modules/system/boot/kexec.nix
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# https://github.com/NixOS/nixpkgs/blob/3428bdf3c93a7608615dddd44dec50c3df89b4be/nixos/modules/tasks/auto-upgrade.nix
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systemd.services.update-host = {
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restartIfChanged = false;
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unitConfig.X-StopOnRemoval = false;
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serviceConfig.Restart = "on-failure";
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serviceConfig.RestartSec = "30s";
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serviceConfig.Type = "oneshot";
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path = [
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config.nix.package
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config.systemd.package
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pkgs.coreutils
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pkgs.curl
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pkgs.kexec-tools
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];
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script = builtins.readFile ./update.bash;
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};
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# https://gist.github.com/Ma27/6650d10f772511931647d3189b3eb1d7
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# https://github.com/NuschtOS/nixos-modules/blob/39d26dddae2f117d7f9c33dd1efc866ff684ff94/modules/nix.nix
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boot.loader.grub.extraInstallCommands = ''
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if [[ "''${NIXOS_ACTION-}" == boot && -e /run/current-system && -e "''${1-}" ]]; then
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echo "--- diff to current-system"
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${pkgs.nvd}/bin/nvd --nix-bin-dir=${config.nix.package}/bin diff /run/current-system "''${1-}"
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echo "---"
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fi
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'';
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systemd.timers.update-host = {
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wantedBy = [ "timers.target" ];
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timerConfig.OnBootSec = "5m";
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timerConfig.OnUnitInactiveSec = "5m";
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};
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}
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