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{
description = "GKleen's flakey nixos configuration";
inputs = {
nixpkgs = {
type = "github";
owner = "NixOS";
repo = "nixpkgs";
ref = "master";
};
home-manager = {
type = "github";
owner = "nix-community";
repo = "home-manager";
ref = "master";
inputs.nixpkgs.follows = "nixpkgs";
};
sops-nix = {
type = "github";
owner = "Mic92";
repo = "sops-nix";
ref = "master";
inputs.nixpkgs.follows = "nixpkgs";
};
};
outputs = { self, nixpkgs, home-manager, sops-nix }@inputs:
let
inherit (builtins) attrNames attrValues elemAt toJSON;
inherit (nixpkgs) lib;
utils = import ./utils { inherit lib; };
inherit (utils) recImport overrideModule;
inherit (lib) nixosSystem mkIf splitString filterAttrs listToAttrs mapAttrsToList nameValuePair concatMap composeManyExtensions mapAttrs mapAttrs' recursiveUpdate genAttrs unique elem;
accountUserName = accountName:
let
accountName' = splitString "@" accountName;
in elemAt accountName' 0;
accountHostName = accountName:
let
accountName' = splitString "@" accountName;
in elemAt accountName' 1;
mkNixosConfiguration = dir: path: hostName: nixosSystem rec {
specialArgs = {
flake = self;
flakeInputs = inputs;
path = ./.;
};
modules =
let
defaultProfiles = with self.nixosModules.systemProfiles;
[ core
];
local = dir + "/${path}";
argsModule._module.args = {
customUtils = utils;
inherit hostName;
};
accountModules = attrValues (filterAttrs accountMatchesHost self.nixosModules.accounts);
accountMatchesHost = n: _v: accountHostName n == hostName;
in attrValues (filterAttrs (n: _v: !(elem n ["systemProfiles" "users" "userProfiles" "accounts"])) self.nixosModules) ++ [ argsModule ] ++ defaultProfiles ++ [ local ] ++ accountModules;
};
mkSystemProfile = dir: path: profileName: {
imports = [ (dir + "/${path}") ];
config = {
system.profiles = [profileName];
};
};
defaultUserProfiles = userName: with self.nixosModules.userProfiles.${userName};
[ core
];
mkUserModule = dir: path: userName:
overrideModule (import (dir + "/${path}"))
(inputs: inputs // { inherit userName; })
(outputs: { _file = dir + "/${path}"; }
// outputs
// { imports = defaultUserProfiles userName ++ (outputs.imports or []); });
mkUserProfile = userName: dir: path: profileName:
let
profileModule = overrideModule (import (dir + "/${path}"))
(inputs: inputs // { inherit userName; })
(outputs: { _file = dir + "/${path}"; }
// outputs);
in {
imports = [profileModule];
config = {
users.users.${userName}.profiles = [profileName];
};
};
mkAccountModule = dir: path: accountName:
let
userName = accountUserName accountName;
in overrideModule
(import (dir + "/${path}"))
(inputs: inputs // { inherit userName; })
(outputs: { _file = dir + "/${path}"; }
// outputs
// { imports = [self.nixosModules.users.${userName} or ({...}: { imports = defaultUserProfiles userName; })] ++ (outputs.imports or []); });
forAllSystems = f: mapAttrs f nixpkgs.legacyPackages;
forAllUsers = genAttrs (unique (map accountUserName (attrNames self.nixosModules.accounts)));
activateHomeManagerConfigurations = forAllSystems (system: _pkgs: mapAttrs' (configName: hmConfig: nameValuePair "${configName}-activate" { type = "app"; program = "${hmConfig.home.activationPackage}/activate"; }) self.homeManagerConfigurations);
activateNixosConfigurations = forAllSystems (system: _pkgs: mapAttrs' (hostName: nixosConfig: nameValuePair "${hostName}-activate" { type = "app"; program = "${nixosConfig.config.system.build.toplevel}/bin/switch-to-configuration"; }) self.nixosConfigurations);
overlayPaths = recImport rec { dir = ./overlays; _import = (path: _name: dir + "/${path}"); } // { pkgs = ./pkgs; };
in
{
nixosModules =
let modulesAttrs = recImport { dir = ./modules; };
systemProfiles = recImport rec { dir = ./system-profiles; _import = mkSystemProfile dir; };
users = recImport rec { dir = ./users; _import = mkUserModule dir; };
userProfiles = forAllUsers (userName: recImport rec { dir = ./user-profiles; _import = mkUserProfile userName dir; });
accounts = recursiveUpdate rootAccounts (recImport rec { dir = ./accounts; _import = mkAccountModule dir; });
rootAccounts = mapAttrs' (hostName: _value: nameValuePair "root@${hostName}" ({...}: { imports = [ self.nixosModules.users.root or ({...}: { imports = defaultUserProfiles "root"; }) ]; })) self.nixosConfigurations;
in modulesAttrs // { inherit systemProfiles users userProfiles accounts; };
nixosConfigurations = recImport rec { dir = ./hosts; _import = mkNixosConfiguration dir; };
homeManagerModules = recImport rec { dir = ./home-modules; };
homeManagerConfigurations = listToAttrs (concatMap ({hostName, users}: mapAttrsToList (userName: homeConfig: nameValuePair "${userName}@${hostName}" homeConfig) users) (mapAttrsToList (hostName: nixosConfig: { inherit hostName; users = nixosConfig.config.home-manager.users; }) (self.nixosConfigurations)));
overlay = import overlayPaths.pkgs;
overlays = mapAttrs (_name: path: import path) overlayPaths;
overlays-path = forAllSystems (system: _: self.legacyPackages.${system}.writeText "overlays.nix" ''
map import (builtins.attrValues (builtins.fromJSON (builtins.readFile ${self.legacyPackages.${system}.writeText "overlays.json" (toJSON overlayPaths)})));
'');
packages = forAllSystems (system: systemPkgs: composeManyExtensions (attrValues self.overlays) (self.legacyPackages.${system}) systemPkgs);
legacyPackages = forAllSystems (system: systemPkgs: recursiveUpdate systemPkgs self.packages.${system});
apps = recursiveUpdate activateNixosConfigurations activateHomeManagerConfigurations;
devShell = forAllSystems (system: systemPkgs: import ./shell.nix { pkgs = self.legacyPackages.${system}; });
defaultTemplate = {
path = ./.;
description = "GKleen's flakey nixos configuration";
};
};
}
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