57 lines
1.4 KiB
Nix
57 lines
1.4 KiB
Nix
{
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config,
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lib,
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inputs,
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pkgs,
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...
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}:
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let
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cfg = config.khscodes.os.auto-update;
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upgradePath = "/var/lib/system-upgrade";
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upgradeVersion = "/var/lib/system-upgrade.version";
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prepareUpgrade = pkgs.writeShellApplication {
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runtimeInputs = [
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pkgs.uutils-coreutils-noprefix
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pkgs.nix
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pkgs.git
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];
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name = "nixos-upgrade-prepare-flake";
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text = ''
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current_version=""
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if [[ -f ${upgradeVersion} ]]; then
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current_version="$(cat ${upgradeVersion})"
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fi
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if [[ "$current_version" != "${inputs.self.outPath}" ]]; then
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rm -rf ${upgradePath}
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cp -r ${inputs.self.outPath} ${upgradePath}
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echo -n ${inputs.self.outPath} > ${upgradeVersion}
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fi
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cd ${upgradePath}
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nix --extra-experimental-features "nix-command flakes" flake update
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'';
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};
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in
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{
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options.khscodes.os.auto-update = {
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enable = lib.mkEnableOption "Enables automatic OS updates";
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dates = "02:00";
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randomizedDelaySec = "45min";
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};
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config = lib.mkIf cfg.enable {
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system.autoUpgrade = {
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enable = true;
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flake = upgradePath;
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allowReboot = true;
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};
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systemd.services.nixos-upgrade-prepare-flake = {
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wantedBy = [ "nixos-upgrade.service" ];
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before = [ "nixos-upgrade.service" ];
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serviceConfig = {
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Type = "oneshot";
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ExecStart = lib.getExe prepareUpgrade;
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};
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};
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};
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}
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