devos/flake.nix

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Nix
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{
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description = "A highly structured configuration database.";
inputs =
{
master.url = "nixpkgs/master";
nixos.url = "nixpkgs/release-20.09";
home.url = "github:nix-community/home-manager/release-20.09";
};
outputs = inputs@{ self, home, nixos, master }:
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let
inherit (builtins) attrNames attrValues readDir;
inherit (nixos) lib;
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inherit (lib) removeSuffix recursiveUpdate genAttrs filterAttrs;
inherit (utils) pathsToImportedAttrs;
utils = import ./lib/utils.nix { inherit lib; };
system = "x86_64-linux";
pkgImport = pkgs:
import pkgs {
inherit system;
overlays = attrValues self.overlays;
config = { allowUnfree = true; };
};
pkgset = {
osPkgs = pkgImport nixos;
pkgs = pkgImport master;
};
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in
with pkgset;
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{
nixosConfigurations =
import ./hosts (recursiveUpdate inputs {
inherit lib pkgset system utils;
}
);
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devShell."${system}" = import ./shell.nix {
inherit pkgs;
};
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overlay = import ./pkgs;
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overlays =
let
overlayDir = ./overlays;
fullPath = name: overlayDir + "/${name}";
overlayPaths = map fullPath (attrNames (readDir overlayDir));
in
pathsToImportedAttrs overlayPaths;
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packages."${system}" =
let
packages = self.overlay osPkgs osPkgs;
overlays = lib.filterAttrs (n: v: n != "pkgs") self.overlays;
overlayPkgs =
genAttrs
(attrNames overlays)
(name: (overlays."${name}" osPkgs osPkgs)."${name}");
in
recursiveUpdate packages overlayPkgs;
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nixosModules =
let
# binary cache
cachix = import ./cachix.nix;
cachixAttrs = { inherit cachix; };
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# modules
moduleList = import ./modules/list.nix;
modulesAttrs = pathsToImportedAttrs moduleList;
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# profiles
profilesList = import ./profiles/list.nix;
profilesAttrs = { profiles = pathsToImportedAttrs profilesList; };
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in
recursiveUpdate
(recursiveUpdate cachixAttrs modulesAttrs)
profilesAttrs;
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templates.flk.path = ./.;
templates.flk.description = "flk template";
defaultTemplate = self.templates.flk;
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};
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}