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|
{
config,
lib,
pkgs,
inputs,
...
}:
let
inherit (pkgs.stdenv.hostPlatform) isLinux;
# TODO: remove this nonsense when all implementations remove repl-flake
hasReplFlake =
lib.versionOlder config.nix.package.version "2.22.0" # repl-flake was removed in nix 2.22.0
|| lib.versionAtLeast config.nix.package.version "2.90.0"; # but not in lix yet
hasAlwaysAllowSubstitutes = lib.versionAtLeast config.nix.package.version "2.19.0";
in
{
config = lib.mkMerge [
{
nix = {
settings = {
auto-optimise-store = lib.mkDefault isLinux;
experimental-features = [
"nix-command"
"flakes"
"auto-allocate-uids"
];
extra-trusted-substituters = [ "https://nix-community.cachix.org" ];
extra-trusted-public-keys = [
"nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
];
};
gc = {
automatic = lib.mkDefault true;
options = lib.mkDefault "--delete-older-than 5d";
};
registry = lib.mapAttrs (lib.const (
flake:
lib.mkForce {
inherit flake;
}
)) inputs;
# See comment below
nixPath = lib.mapAttrsToList (name: lib.const "${name}=flake:${name}") inputs;
};
nixpkgs = {
config.allowUnfree = lib.mkDefault true;
};
}
(lib.mkIf hasReplFlake {
nix.settings.experimental-features = [ "repl-flake" ];
})
(lib.mkIf hasAlwaysAllowSubstitutes {
nix.settings.always-allow-substitutes = true;
})
];
}
|
