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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 =
let
useNixpkgs =
nixpkgs:
import nixpkgs {
inherit (config.nixpkgs) config;
inherit (this) system;
};
pkgsLocal = useNixpkgs "${config.my.home}/src/nixpkgs"; # Impure!
pkgsMaster = useNixpkgs inputs.nixpkgs-master;
pkgsStable = useNixpkgs inputs.nixpkgs-stable;
pkgsRev =
rev: hash:
useNixpkgs (
pkgs.fetchFromGitHub {
owner = "NixOS";
repo = "nixpkgs";
inherit rev hash;
}
);
pkgsPR = pr: pkgsRev "refs/pull/${toString pr}/head";
in
{
_module.args = {
inherit
pkgsLocal
pkgsMaster
pkgsStable
pkgsRev
pkgsPR
;
};
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";
};
nix =
let
notSelfInputs = filterAttrs (n: _: n != "self") inputs;
in
{
daemonCPUSchedPolicy = "idle";
daemonIOSchedClass = "idle";
daemonIOSchedPriority = 7;
settings = {
keep-derivations = if this.isHeadful then "true" else "false";
keep-outputs = if this.isHeadful then "true" else "false";
warn-dirty = false;
keep-going = true;
substituters = [
"https://azahi.cachix.org"
"https://nix-community.cachix.org"
];
trusted-substituters = [ "https://azahi.cachix.org" ];
trusted-public-keys = [ "azahi.cachix.org-1:2bayb+iWYMAVw3ZdEpVg+NPOHCXncw7WMQ0ElX1GO3s=" ];
trusted-users = [
"root"
my.username
];
};
nixPath = mapAttrsToList (n: v: "${n}=${v}") notSelfInputs ++ [
"nixfiles=${config.my.home}/src/nixfiles"
];
registry = mapAttrs (_: flake: { inherit flake; }) notSelfInputs // {
nixfiles.flake = inputs.self;
};
};
nixpkgs = {
config.allowUnfreePredicate = p: elem (getName p) cfg.allowedUnfreePackages;
overlays = with inputs; [
self.overlays.default
(_: _prev: {
# Global PR package overrides go here. Example:
# ```
# inherit (pkgsPR 309018 "sha256-x3ATxjrTVdaX5eo9P6pz+8/W6D2TNYzvjZpOBa3ZRI8=") endlessh-go;
# ```
})
];
};
environment = {
defaultPackages = [ ];
systemPackages =
with pkgs;
optionals this.isHeadful [
nix-tree
nixfiles
];
variables = {
NIXFILES = optionalString this.isHeadful "${config.my.home}/src/nixfiles";
NIX_SHELL_PRESERVE_PROMPT = "1";
};
};
system.stateVersion = this.stateVersion or trivial.release;
};
}
|
