flake.nix

   1 {
   2 inputs.nixpkgs.url = "github:NixOS/nixpkgs/b649c62cebed1eeb2f51275d72095a18916ecea3";
   3 inputs.flake-utils.url = "github:numtide/flake-utils";
   4 inputs.home-manager.url = "github:nix-community/home-manager/e0f2949c981a636ff1a75bd075e2a614af3bafb1";
   5 inputs.home-manager.inputs.nixpkgs.follows = "nixpkgs";
   6 inputs.nix-doom-emacs.url = "github:vlaci/nix-doom-emacs";
   7 inputs.nix-doom-emacs.inputs.nixpkgs.follows = "nixpkgs";
   8 inputs.nix-doom-emacs.inputs.home-manager.follows = "home-manager";
   9 inputs.nix-doom-emacs.inputs.flake-utils.follows = "flake-utils";
  10 inputs.nix-doom-emacs.inputs.emacs-overlay.follows = "emacs-overlay";
  11 inputs.emacs-overlay.url = "github:nix-community/emacs-overlay/master";
  12 #inputs.pass = { type = "path"; path = "./pass"; flake = false; };
  13 outputs = inputs: let
  14   remoteNixpkgsPatches = import nixpkgs/patches.nix;
  15   localNixpkgsPatches = [
  16   ];
  17   originPkgs = inputs.nixpkgs.legacyPackages."x86_64-linux";
  18   nixpkgsPath = originPkgs.applyPatches {
  19     name = "nixpkgs-patched";
  20     src = inputs.nixpkgs.outPath;
  21     patches = map originPkgs.fetchpatch remoteNixpkgsPatches ++ localNixpkgsPatches;
  22     postPatch = ''
  23       patch=$(printf '%s\n' ${builtins.concatStringsSep " "
  24          (map (p: p.sha256) remoteNixpkgsPatches ++ localNixpkgsPatches)} |
  25         sort | sha256sum | cut -c -7)
  26       echo "+patch-$patch" >.version-suffix
  27     '';
  28   };
  29   lib = originPkgs.lib;
  30   in {
  31   nixosConfigurations = lib.genAttrs
  32     (builtins.attrNames (lib.filterAttrs (n: v: v == "directory") (builtins.readDir ./hosts)))
  33     (hostName: import (nixpkgsPath + "/nixos/lib/eval-config.nix") {
  34               #inputs.nixpkgs.lib.nixosSystem {
  35       system = "x86_64-linux";
  36       extraArgs = {
  37         inherit hostName inputs;
  38         hosts = inputs.self.nixosConfigurations;
  39         private = "/root/private"; # Kept out of /nix/store
  40       };
  41       modules = [
  42         (import (./hosts + "/${hostName}.nix"))
  43         inputs.nixpkgs.nixosModules.notDetected
  44         inputs.home-manager.nixosModules.home-manager
  45         ({ pkgs, ... }: {
  46           nix.registry.nixpkgs.flake = inputs.nixpkgs;
  47           nix.package = pkgs.nixFlakes;
  48           nix.extraOptions = "experimental-features = nix-command flakes";
  49           nixpkgs.overlays = import nixpkgs/overlays.nix;
  50           /*
  51           system.nixos.versionSuffix = ".${
  52             lib.substring 0 8 (inputs.self.lastModifiedDate or inputs.self.lastModified)}.${
  53             inputs.self.shortRev or "dirty"}";
  54           system.nixos.revision = lib.mkIf (inputs.self ? rev) inputs.self.rev;
  55           */
  56           # Let 'nixos-version --json' know about the Git revision of this flake.
  57           system.configurationRevision = lib.mkIf (inputs.self ? rev) inputs.self.rev;
  58           /*
  59           system.configurationRevision =
  60             if inputs.self ? rev
  61             then inputs.self.rev
  62             else throw "Refusing to build from a dirty Git tree!";
  63           */
  64         })
  65         {
  66           home-manager.useGlobalPkgs = true;
  67           home-manager.useUserPackages = true;
  68           home-manager.verbose = true;
  69           home-manager.backupFileExtension = null;
  70           home-manager.extraSpecialArgs = {
  71             inherit hostName;
  72           };
  73         }
  74       ];
  75     });
  76   } //
  77   inputs.flake-utils.lib.eachDefaultSystem (system:
  78     #let pkgs = inputs.nixpkgs.legacyPackages.${system}; in
  79     let
  80     pkgs = import nixpkgsPath {
  81       inherit system;
  82       config = {}; # Make the config pure, ignoring user's config.
  83       overlays = import nixpkgs/overlays.nix;
  84     }; in {
  85       devShell = import ./shell.nix { inherit pkgs inputs system; };
  86     }
  87   );
  88 }