Files
pvv-nixos-config/base/services/auto-upgrade.nix
Vegard Bieker Matthey dc8a6c8c71 nixfmt
2026-02-20 18:18:09 +01:00

56 lines
1.5 KiB
Nix

{
config,
inputs,
pkgs,
lib,
...
}:
let
inputUrls = lib.mapAttrs (input: value: value.url) (import "${inputs.self}/flake.nix").inputs;
in
{
system.autoUpgrade = {
enable = true;
flake = "git+https://git.pvv.ntnu.no/Drift/pvv-nixos-config.git";
flags = [
"-L"
"--refresh"
"--no-write-lock-file"
# --update-input is deprecated since nix 2.22, and removed in lix 2.90
# as such we instead use --override-input combined with --refresh
# https://git.lix.systems/lix-project/lix/issues/400
]
++ (lib.pipe inputUrls [
(lib.intersectAttrs {
nixpkgs = { };
nixpkgs-unstable = { };
})
(lib.mapAttrsToList (
input: url: [
"--override-input"
input
url
]
))
lib.concatLists
]);
};
# workaround for https://github.com/NixOS/nix/issues/6895
# via https://git.lix.systems/lix-project/lix/issues/400
environment.etc =
lib.mkIf (!config.virtualisation.isVmVariant && config.system.autoUpgrade.enable)
{
"current-system-flake-inputs.json".source = pkgs.writers.writeJSON "flake-inputs.json" (
lib.flip lib.mapAttrs inputs (
name: input:
# inputs.*.sourceInfo sans outPath, since writeJSON will otherwise serialize sourceInfo like a derivation
lib.removeAttrs (input.sourceInfo or { }) [ "outPath" ] // { store-path = input.outPath; } # comment this line if you don't want to retain a store reference to the flake inputs
)
);
};
}