Work in progress refactor.

config/common/default.nix

@@ -1,8 +1,7 @@
-{ config, lib, pkgs, ... }:
+{ config, lib, pkgs, sources, ... }:
 
-let sources = import ../../nix/sources.nix;
+{
-in {
+  imports = [../users (sources.home-manager + "/nixos") ];
-  imports = [ ../../modules ../users (sources.home-manager + "/nixos") ];
 
   boot.kernelPackages = lib.mkDefault pkgs.linuxPackages_latest;
   boot.loader.grub.configurationLimit = 8;

config/hosts/samhain/configuration.nix

@@ -1,7 +1,6 @@
-{ config, pkgs, lib, ... }:
+{ config, pkgs, lib, sources, witch, ... }:
 
-let sources = (import ../../../nix/sources.nix);
+{
-in {
   imports = [
     ../../services/zfs.nix
     ./hardware.nix

config/users/kat/kitty.nix

@@ -1,28 +1,27 @@
-{ config, lib, pkgs, ... }:
+{ config, lib, pkgs, witch, ... }:
 
-let style = import ./style.nix;
+{
-in {
   config = lib.mkIf (lib.elem "desktop" config.meta.deploy.profiles) {
 
     home-manager.users.kat = {
       programs.kitty = {
         enable = true;
-        font.name = style.font.name;
+        font.name = witch.style.font.name;
         settings = {
-          font_size = style.font.size;
+          font_size = witch.style.font.size;
-          background = style.base16.color0;
+          background = witch.style.base16.color0;
           background_opacity = "0.7";
-          foreground = style.base16.color7;
+          foreground = witch.style.base16.color7;
-          selection_background = style.base16.color7;
+          selection_background = witch.style.base16.color7;
-          selection_foreground = style.base16.color0;
+          selection_foreground = witch.style.base16.color0;
-          url_color = style.base16.color3;
+          url_color = witch.style.base16.color3;
-          cursor = style.base16.color7;
+          cursor = witch.style.base16.color7;
           active_border_color = "#75715e";
           active_tab_background = "#9900ff";
-          active_tab_foreground = style.base16.color7;
+          active_tab_foreground = witch.style.base16.color7;
           inactive_tab_background = "#3a3a3a";
           inactive_tab_foreground = "#665577";
-        } // style.base16;
+        } // witch.style.base16;
       };
     };
   };

config/users/kat/sway.nix

@@ -1,7 +1,6 @@
-{ config, pkgs, lib, ... }:
+{ config, pkgs, lib, witch, ... }:
 
 let
-  style = import ./style.nix;
   secrets = import ../../../secrets.nix;
 in {
   config = lib.mkIf (lib.elem "sway" config.meta.deploy.profiles) {
@@ -26,16 +25,16 @@ in {
       programs.mako = {
         enable = true;
         defaultTimeout = 3000;
-        borderColor = style.base16.color7;
+        borderColor = witch.style.base16.color7;
-        backgroundColor = "${style.base16.color0}70";
+        backgroundColor = "${witch.style.base16.color0}70";
-        textColor = style.base16.color7;
+        textColor = witch.style.base16.color7;
       };
 
       wayland.windowManager.sway = {
         enable = true;
         config = let
           dmenu =
-            "${pkgs.bemenu}/bin/bemenu --fn '${style.font.name} ${style.font.size}' --nb '${style.base16.color0}' --nf '${style.base16.color7}' --sb '${style.base16.color1}' --sf '${style.base16.color7}' -l 5 -m -1 -i";
+            "${pkgs.bemenu}/bin/bemenu --fn '${witch.style.font.name} ${witch.style.font.size}' --nb '${witch.style.base16.color0}' --nf '${witch.style.base16.color7}' --sb '${witch.style.base16.color1}' --sf '${witch.style.base16.color7}' -l 5 -m -1 -i";
           lockCommand = "swaylock -i ${./wallpapers/main.png} -s fill";
           cfg = config.home-manager.users.kat.wayland.windowManager.sway.config;
         in {
@@ -84,7 +83,7 @@ in {
             };
           };
 
-          fonts = [ "${style.font.name} ${style.font.size}" ];
+          fonts = [ "${witch.style.font.name} ${witch.style.font.size}" ];
           terminal = "${pkgs.kitty}/bin/kitty";
           # TODO: replace with wofi
           menu =
@@ -192,32 +191,32 @@ in {
 
           colors = {
             focused = {
-              border = style.base16.color8;
+              border = witch.style.base16.color8;
-              background = style.base16.color4;
+              background = witch.style.base16.color4;
-              text = style.base16.color0;
+              text = witch.style.base16.color0;
-              indicator = style.base16.color2;
+              indicator = witch.style.base16.color2;
-              childBorder = style.base16.color8;
+              childBorder = witch.style.base16.color8;
             };
             focusedInactive = {
-              border = style.base16.color0;
+              border = witch.style.base16.color0;
-              background = style.base16.color11;
+              background = witch.style.base16.color11;
-              text = style.base16.color12;
+              text = witch.style.base16.color12;
-              indicator = style.base16.color2;
+              indicator = witch.style.base16.color2;
-              childBorder = style.base16.color8;
+              childBorder = witch.style.base16.color8;
             };
             unfocused = {
-              border = style.base16.color0;
+              border = witch.style.base16.color0;
-              background = style.base16.color8;
+              background = witch.style.base16.color8;
-              text = style.base16.color12;
+              text = witch.style.base16.color12;
-              indicator = style.base16.color8;
+              indicator = witch.style.base16.color8;
-              childBorder = style.base16.color8;
+              childBorder = witch.style.base16.color8;
             };
             urgent = {
-              border = style.base16.color8;
+              border = witch.style.base16.color8;
-              background = style.base16.color9;
+              background = witch.style.base16.color9;
-              text = style.base16.color0;
+              text = witch.style.base16.color0;
-              indicator = style.base16.color1;
+              indicator = witch.style.base16.color1;
-              childBorder = style.base16.color8;
+              childBorder = witch.style.base16.color8;
             };
           };
         };

config/users/kat/waybar/default.nix

@@ -1,7 +1,6 @@
-{ config, lib, pkgs, ... }:
+{ config, lib, pkgs, witch, ... }:
 
 let
-  style = import ../style.nix;
   secrets = import ../../../../secrets.nix;
 in {
   config = lib.mkIf (lib.elem "sway" config.meta.deploy.profiles) {
@@ -9,8 +8,8 @@ in {
       programs.waybar = {
         enable = true;
         style = import ./waybar.css.nix {
-          inherit style;
+          style = witch.style;
-          hextorgba = pkgs.colorhelpers.hextorgba;
+          hextorgba = witch.colorhelpers.hextorgba;
         };
         settings = [{
           modules-left = [ "sway/workspaces" "sway/mode" "sway/window" ];

default.nix

@@ -1,13 +1,14 @@
-let
+rec {
+  sources = import ./nix/sources.nix;
   pkgs = import ./pkgs { };
-  hosts = import ./lib/hosts.nix { inherit pkgs; };
+  witch = import ./lib/witch.nix { lib = pkgs.lib; };
-in {
+
-  inherit pkgs;
+  hosts = import ./lib/hosts.nix { inherit pkgs sources witch; };
+
   inherit (pkgs) lib;
-  inherit (hosts) hosts profiles;
+  
   deploy = import ./lib/deploy.nix {
     inherit pkgs;
     inherit (hosts) hosts profiles;
   };
-  sources = import ./nix/sources.nix;
 }

lib/hosts.nix

@@ -1,5 +1,12 @@
-{ pkgs, hostsDir ? ../config/hosts, privateHostsDir ? ../config/private/hosts
+{ 
-, commonImports ? [ ../config/common ../modules ], pkgsPath ? ../pkgs }:
+  pkgs, 
+  hostsDir ? ../config/hosts, 
+  privateHostsDir ? ../config/private/hosts, 
+  commonImports ? [ ../config/common ../modules/nixos ], 
+  pkgsPath ? ../pkgs,
+  sources ? {},
+  witch ? {}
+}:
 
 with pkgs.lib;
 
@@ -7,22 +14,37 @@ rec {
   hostNames = attrNames
     (filterAttrs (name: type: type == "directory") (builtins.readDir hostsDir));
 
-  hostConfig = hostName:
+  hostConfig = hostName: { config, ... }: {
-    { config, ... }: {
+    _module.args = {
-      _module.args = { inherit hosts profiles; };
+      inherit hosts profiles;
-      imports = [
-        (import (hostsDir + "/${hostName}/configuration.nix"))
-        (import (privateHostsDir + "/${hostName}/configuration.nix"))
-        ../modules/deploy
-      ] ++ commonImports;
-      networking = { inherit hostName; };
-      nixpkgs.pkgs = import pkgsPath { inherit (config.nixpkgs) config; };
     };
+    imports = [
+      (import (hostsDir + "/${hostName}/configuration.nix"))
+      (import (privateHostsDir + "/${hostName}/configuration.nix"))
+      # urgh, yes, we still need to manually import the deploy module for now
+      # at least if i want to keep my thing reusable.
+      ../modules/nixos/deploy
+    ] ++ commonImports;
+    networking = {
+      inherit hostName;
+    };
+    nixpkgs.pkgs = import pkgsPath { inherit (config.nixpkgs) config; };
+  };
 
-  hosts = listToAttrs (map (hostName:
+
-    nameValuePair hostName
+  hosts = listToAttrs (
-    (import (pkgs.path + "/nixos") { configuration = hostConfig hostName; }))
+    map (
-    hostNames);
+      hostName: nameValuePair hostName (
+        import (pkgs.path + "/nixos/lib/eval-config.nix") {
+          modules = [
+            (hostConfig hostName)
+            (if sources ? home-manager then sources.home-manager + "/nixos" else {})
+          ];
+          specialArgs = { inherit sources witch; };
+        }
+      )
+    ) hostNames
+  );
 
   profileNames = unique (concatLists
     (mapAttrsToList (name: host: host.config.meta.deploy.profiles) hosts));

lib/modules.nix

@@ -0,0 +1,22 @@
+{
+  modulesDir,
+  defaultFile ? "default.nix",
+  importAll ? false
+}:
+
+with builtins;
+
+let
+  filterAttrNamesToList = filter: set: foldl' (a: b: a ++ b) [] (
+    map (e: if (filter e set.${e}) then [ e ] else []) (attrNames set)
+  );
+  nameValuePair = name: value: { inherit name value; };
+  listToAttrs = foldl' (acc: val: acc // { ${val.name} = val.value; }) {};
+  directories = filterAttrNamesToList (_: type: type == "directory") (readDir modulesDir);
+  files = map (dir: nameValuePair dir (modulesDir + "/${dir}/${defaultFile}")) directories;
+  modules = map ({name, value}:
+    # if the file contains a function, assume it to be a module and pass the path
+    # (for dedup and such). if it contains anything else, pass that.
+    let m = import value; in { inherit name; value = if (isFunction m) && !importAll then value else m; }
+  ) files;
+in (listToAttrs modules)

lib/witch.nix

@@ -0,0 +1,6 @@
+{ lib }: 
+
+{
+        style = import ./style.nix;
+        colorhelpers = import ./colorhelpers.nix { inherit lib; };
+}

modules/home/default.nix

@@ -0,0 +1,10 @@
+{ ... }:
+
+let sources = import ../../nix/sources.nix;
+in { 
+    home-manager.users = {
+        imports = [ 
+            (sources.tf-nix + "/modules/home/secrets.nix") 
+        ]; 
+    };
+}

modules/nixos/default.nix

@@ -1,6 +1,6 @@
 { ... }:
 
-let sources = import ../nix/sources.nix;
+let sources = import ../../nix/sources.nix;
 in {
   imports = [
     ./deploy

pkgs/default.nix

@@ -25,8 +25,6 @@ let
         vendor-reset =
           (super.callPackage ./vendor-reset { kernel = ksuper.kernel; }).out;
       });
-
-    colorhelpers = import ../lib/colorhelpers.nix { inherit (self) lib; };
   };
 
 in pkgs.extend (overlay)