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|
{
config,
inputs,
lib,
pkgs,
this,
...
}:
with lib;
let
cfg = config.nixfiles.modules.common.nix;
in
{
imports = with inputs.srvos.nixosModules; [
mixins-nix-experimental
mixins-trusted-nix-caches
];
options.nixfiles.modules.common.nix.allowedUnfreePackages = mkOption {
description = "A list of allowed unfree packages.";
type = with types; listOf str;
default = [ ];
};
config = {
_module.args = {
pkgsLocal = packages.useNixpkgs "${config.my.home}/src/nixpkgs"; # Impure!
};
hm = {
# Used primarily in conjunction with the "nixfiles" script.
home.file.".nix-defexpr/default.nix".text =
let
hostname = strings.escapeNixIdentifier this.hostname;
in
optionalString this.isHeadful ''
let
self = builtins.getFlake "nixfiles";
configurations = self.nixosConfigurations;
local = configurations.${hostname};
in rec {
inherit self;
inherit (self) inputs lib;
inherit (lib) my;
this = my.configurations.${hostname};
inherit (local) config;
inherit (local.config.system.build) toplevel vm vmWithBootLoader manual;
pretty = expr: lib.trace (lib.generators.toPretty {} expr) {};
} // configurations // local._module.args
'';
programs.bash.shellAliases.nix = "nix --verbose --print-build-logs --no-eval-cache";
};
nix =
let
notSelfInputs = filterAttrs (n: _: n != "self") inputs;
in
{
package = mkForce pkgs.nix; # Only use stable Nix.
nixPath = mapAttrsToList (n: v: "${n}=${v}") notSelfInputs ++ [
"nixfiles=${config.my.home}/src/nixfiles"
];
registry = mapAttrs (_: flake: { inherit flake; }) notSelfInputs // {
nixfiles.flake = inputs.self;
};
settings = {
warn-dirty = false;
keep-going = true;
experimental-features = [
"fetch-tree"
"pipe-operators"
];
trusted-users = [ my.username ];
substituters = [
"https://cache.garnix.io"
"https://cache.tvl.su"
"https://nix-community.cachix.org"
"https://numtide.cachix.org"
];
trusted-public-keys = [
"cache.tvl.su:kjc6KOMupXc1vHVufJUoDUYeLzbwSr9abcAKdn/U1Jk="
];
# https://github.com/NixOS/nix/issues/6901
fallback = true;
};
};
nixpkgs = {
config.allowUnfreePredicate = p: elem (getName p) cfg.allowedUnfreePackages;
overlays = [ inputs.self.overlays.default ];
};
programs.nh.enable = this.isHeadful;
environment = {
defaultPackages = [ ];
systemPackages =
with pkgs;
optionals this.isHeadful [
nix-tree
nixfiles
];
variables = {
NIXFILES = optionalString this.isHeadful "${config.my.home}/src/nixfiles";
NIX_SHELL_PRESERVE_PROMPT = "1";
};
};
system.stateVersion = this.stateVersion or trivial.release;
};
}
|
