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|
{
config,
lib,
pkgs,
...
}:
let
cfg = config.personal.nix;
in
{
options.personal.nix = {
enable = lib.mkEnableOption "nix configuration";
gc.enable = lib.mkEnableOption "garbage collection";
};
config = lib.mkIf cfg.enable (
lib.mkMerge [
{
nixpkgs = {
config.allowUnfree = true;
flake = lib.mkDefault {
setNixPath = false;
setFlakeRegistry = false;
};
};
nix = {
package = pkgs.lix;
settings = {
auto-optimise-store = true;
experimental-features = [
"nix-command"
"flakes"
"recursive-nix"
];
substituters = [
"https://devenv.cachix.org/"
"https://nix-community.cachix.org/"
];
trusted-public-keys = [
"devenv.cachix.org-1:w1cLUi8dv3hnoSPGAuibQv+f9TZLr6cv/Hm9XgU50cw="
"nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
];
};
extraOptions = ''
!include secrets.conf
'';
registry.my-nixpkgs = {
from = {
type = "indirect";
id = "my-nixpkgs";
};
to = {
type = "github";
owner = "qaristote";
repo = "my-nixpkgs";
};
};
};
}
(lib.mkIf cfg.gc.enable {
nix.gc = {
automatic = true;
dates = "daily";
options = "--delete-old";
};
systemd.services = {
nix-gc = {
after = [ "nixos-upgrade.service" ];
personal.monitor = true;
};
nix-gc-remove-dead-roots = {
enable = cfg.gc.enable;
description = "Remove dead symlinks in /nix/var/nix/gcroots";
serviceConfig.Type = "oneshot";
script = "find /nix/var/nix/gcroots -xtype l -delete";
before = [ "nix-gc.service" ];
wantedBy = [ "nix-gc.service" ];
personal.monitor = true;
};
nix-gc-remove-old-hm-gens =
let
user = config.personal.user;
in
{
enable = user.enable && user.homeManager.enable;
description = "Remove old Home Manager generations for user ${user.name}";
serviceConfig.Type = "oneshot";
script = "${pkgs.nix}/bin/nix-env --profile /home/${user.name}/.local/state/nix/profiles/home-manager --delete-generations old";
before = [ "nix-gc.service" ];
wantedBy = [ "nix-gc.service" ];
personal.monitor = true;
};
};
})
]
);
}
|
