Initial commit

nixos/auto-upgrade.nix

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+{ ... }:
+
+{
+  # Scheduled auto upgrade system (this is only for system upgrades, 
+  # if you want to upgrade cargo\npm\pip global packages, docker containers or different part of the system 
+  # or get really full system upgrade, use `topgrade` CLI utility manually instead.
+  # I recommend running `topgrade` once a week or at least once a month)
+  system.autoUpgrade = {
+    enable = true;
+    operation = "switch"; # If you don't want to apply updates immediately, only after rebooting, use `boot` option in this case
+    flake = "/etc/nixos";
+    flags = [ "--update-input" "nixpkgs" "--update-input" "rust-overlay" "--commit-lock-file" ];
+    dates = "weekly";
+    # channel = "https://nixos.org/channels/nixos-unstable";
+  };
+}