os/flake.nix
Timothy DeHerrera f8f67d2dcb
packages: apply overlays to output packages
Apply overlays to output packages so we can easily use a modified
package.
2021-01-18 02:23:49 -07:00

90 lines
2.4 KiB
Nix

{
description = "A highly structured configuration database.";
inputs =
{
# Once desired, bump master's locked revision:
# nix flake update --update-input master
master.url = "nixpkgs/master";
nixos.url = "nixpkgs/release-20.09";
home.url = "github:nix-community/home-manager/release-20.09";
flake-utils.url = "github:numtide/flake-utils/flatten-tree-system";
devshell.url = "github:numtide/devshell";
};
outputs = inputs@{ self, home, nixos, master, flake-utils, nur, devshell }:
let
inherit (builtins) attrNames attrValues elem pathExists;
inherit (flake-utils.lib) eachDefaultSystem mkApp flattenTreeSystem;
inherit (nixos) lib;
inherit (lib) recursiveUpdate filterAttrs mapAttrs;
inherit (utils) pathsToImportedAttrs genPkgset overlayPaths modules
genPackages pkgImport;
utils = import ./lib/utils.nix { inherit lib; };
externOverlays = [ nur.overlay devshell.overlay ];
externModules = [ home.nixosModules.home-manager ];
pkgs' = unstable:
let
override = import ./pkgs/override.nix;
overlays = (attrValues self.overlays)
++ externOverlays
++ [ self.overlay (override unstable) ];
in
pkgImport nixos overlays;
unstable' = pkgImport master [ ];
osSystem = "x86_64-linux";
outputs =
let
system = osSystem;
unstablePkgs = unstable' system;
osPkgs = pkgs' unstablePkgs system;
in
{
nixosConfigurations =
import ./hosts (recursiveUpdate inputs {
inherit lib osPkgs unstablePkgs utils externModules system;
});
overlay = import ./pkgs;
overlays = pathsToImportedAttrs overlayPaths;
nixosModules = modules;
templates.flk.path = ./.;
templates.flk.description = "flk template";
defaultTemplate = self.templates.flk;
};
in
recursiveUpdate
(eachDefaultSystem
(system:
let
unstablePkgs = unstable' system;
pkgs = pkgs' unstablePkgs system;
packages = flattenTreeSystem system
(genPackages {
inherit self pkgs;
});
in
{
inherit packages;
devShell = import ./shell.nix {
inherit pkgs;
};
}
)
)
outputs;
}