Update config and format the files

Makefile

@@ -0,0 +1,14 @@
+ROOT := /mnt
+HOST := ni
+
+.PHONY: install
+install:
+	nixos-install --flake ".#${HOST}" --root ${ROOT}
+
+.PHONY: switch
+switch:
+	nixos-rebuild --flake ".#${HOST}" switch
+
+.PHONY: test
+test:
+	nixos-rebuild --flake ".#${HOST}" dry-activate

README.adoc

@@ -1,5 +1,5 @@
 = foo-dogsquared's NixOS config
-:todo:
+:toc:
 
 This is my NixOS config as a link:https://www.tweag.io/blog/2020-05-25-flakes/[Nix flake].
 

flake.lock

@@ -42,11 +42,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1638129630,
+        "lastModified": 1638189734,
-        "narHash": "sha256-vaYC1DhrR1nao2rQ8fUf4PNhBLfSeCi2LVrDXTxUu1Y=",
+        "narHash": "sha256-Vks5UgpFqbrSNi3RXaozVWAVEfueplN2WBPs2bRajHA=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "9f25a8ac3a985ba213f775b19750efefdecc9974",
+        "rev": "f366af7a1b3891d9370091ab03150d3a6ee138fa",
         "type": "github"
       },
       "original": {

lib/default.nix

@@ -76,6 +76,23 @@ in rec {
       };
     in lib.listToAttrs (lib.mapAttrsToList collect files);
 
+  /* Collect all modules (results from `filesToAttr`) into a list.
+
+     Signature:
+       attrs -> [ function ]
+     Where:
+       - `attrs` is the set of modules and their path.
+     Returns:
+       - A list of imported modules.
+
+     Example:
+       modulesToList (filesToAttr ../modules)
+       => [ <lambda> <lambda> <lambda> ]
+  */
+  modulesToList = attrs:
+    let paths = lib.collect builtins.isPath attrs;
+    in builtins.map (path: import path) paths;
+
   /* Create a NixOS system through a given host folder.
      It will automate some of the things such as making the last component
      of the path as the hostname.
@@ -132,9 +149,8 @@ in rec {
   getUsers = users:
     let
       userModules = filesToAttr ../users;
-      validUsers =
+      invalidUsernames = [ "config" "modules" ];
-        lib.filter (user: lib.elem user (lib.attrNames userModules)) users;
+    in lib.filterAttrs (n: _: !lib.elem n invalidUsernames) userModules;
-    in lib.filterAttrs (n: _: lib.elem n validUsers) userModules;
 
   /* Create an attribute set from two lists (or a zip).
 

modules/dev.nix

@@ -37,6 +37,7 @@ in {
         cmake # The poster boy for the hated build system.
         direnv # The power of local development environment.
         gnumake # Make your life easier with GNU Make.
+        moreutils # Less is more but more utilities, the merrier.
       ];
     })
 

modules/themes/a-happy-gnome/default.nix

@@ -20,7 +20,6 @@ in
 
       gnomeExtensions.arcmenu
       gnomeExtensions.x11-gestures
-      gnomeExtensions.gsconnect
     ];
   };
 }

modules/users.nix

@@ -3,14 +3,18 @@
 
 let
   cfg = config.modules.users;
-  userModules = lib.filesToAttr ../users;
+  invalidUsernames = [ "config" "modules" ];
+  userModules = lib.filterAttrs (n: _: !lib.elem n invalidUsernames)
+    (lib.filesToAttr ../users);
+  homeManagerModules =
+    lib.filterAttrs (n: _: n == "modules") (lib.filesToAttr ../users);
 
   users = lib.attrNames userModules;
   nonexistentUsers = lib.filter (name: !lib.elem name users) cfg.users;
 
-  mkUser = user: path:
+  mkUser = user: modulePath:
     let
-      userModule = import path;
+      userModule = import modulePath;
       defaultConfig = {
         home.username = user;
         home.homeDirectory = "/home/${user}";
@@ -22,7 +26,7 @@ let
         isNormalUser = true;
         extraGroups = [ "wheel" ];
       };
-      home-manager.users.${user} = userModule // defaultConfig;
+      home-manager.users.${user} = import modulePath;
     };
 in {
   options.modules.users = {
@@ -45,6 +49,7 @@ in {
     {
       home-manager.useUserPackages = true;
       home-manager.useGlobalPkgs = true;
+      home-manager.sharedModules = lib.modulesToList homeManagerModules;
     }
   ] ++ (lib.mapAttrsToList mkUser userModules);
 

pkgs/default.nix

@@ -1,5 +1,7 @@
 { pkgs ? import <nixpkgs> { } }:
 
 {
+  doggo = pkgs.callPackage ./doggo.nix { };
   libcs50 = pkgs.callPackage ./libcs50.nix { };
+  tic-80 = pkgs.callPackage ./tic-80.nix { };
 }

pkgs/doggo.nix

@@ -0,0 +1,32 @@
+{ stdenv, lib, fetchFromGitHub, buildGoModule, installShellFiles }:
+
+buildGoModule rec {
+  pname = "doggo";
+  version = "0.4.1";
+
+  subPackages = [ "cmd/doggo" "cmd/api" ];
+
+  src = fetchFromGitHub {
+    owner = "mr-karan";
+    repo = "doggo";
+    rev = "v${version}";
+    sha256 = "sha256-TG1pWLf/aB/5clzBYdbZcGZb+64oV9olT5xezUWay/M=";
+  };
+
+  ldflags = [ "-X main.buildVersion=v${version}" ];
+  nativeBuildInputs = [ installShellFiles ];
+  vendorSha256 = "sha256-eyR1LuaMkyQqIaV4GN/7Nr1TkdHr+M3C3z/pyNF0Vo4=";
+
+  postInstall = ''
+    # The binary names come from the Makefile only without the '.bin. extension.
+    mv $out/bin/{api,doggo-api}
+
+    installShellCompletion completions/doggo.{fish,zsh}
+  '';
+
+  meta = with lib; {
+    description = "HTTP DNS client for humans.";
+    homepage = "https://github.com/mr-karan/doggo";
+    license = licenses.mit;
+  };
+}

pkgs/tic-80.nix

@@ -0,0 +1,28 @@
+{ stdenv, lib, alsaLib, cmake, fetchFromGitHub, freeglut, gtk3, libGLU, libglvnd
+, mesa, pkgconfig }:
+
+stdenv.mkDerivation rec {
+  pname = "tic-80";
+  version = "ad6fac460480ca2eff25e6ef142460b9ff7bdcef";
+
+  src = fetchFromGitHub {
+    owner = "nesbox";
+    repo = "TIC-80";
+    rev = "8ba1ae484fed6904a76894804a99f4ea1e0af754";
+    sha256 = "sha256-/BL7wbD/qeAWVJXAF4B6v5iD8SjjHKg48DBAjcXSa/I=";
+    fetchSubmodules = true;
+  };
+
+  nativeBuildInputs = [ cmake pkgconfig ];
+
+  buildInputs = [ alsaLib freeglut gtk3 libGLU libglvnd mesa ];
+
+  cmakeFlags = [ "-DBUILD_PRO=ON" ];
+
+  meta = with lib; {
+    description = "A fantasy computer with built-in game dev tools.";
+    homepage = "https://tic80.com/";
+    license = licenses.mit;
+  };
+}
+

users/foo-dogsquared/default.nix

@@ -13,8 +13,12 @@
 
   # My custom modules.
   modules = {
-    alacritty.enable = true;
     i18n.enable = true;
     dev.enable = true;
+    desktop = {
+      enable = true;
+      graphics.enable = true;
+      audio.enable = true;
+    };
   };
 }

users/modules/alacritty.nix

@@ -9,7 +9,7 @@ in
   config = lib.mkIf cfg.enable {
     home.packages = with pkgs; [ alacritty ];
     xdg.configFile."alacritty" = {
-      source = ../config/alacritty/alacritty.yml;
+      source = ../config/alacritty;
       recursive = true;
     };
   };

users/modules/desktop.nix

@@ -0,0 +1,39 @@
+# Enables all of my usual setup for desktop-oriented stuff.
+{ config, options, lib, pkgs, ... }:
+
+let
+  cfg = config.modules.desktop;
+in
+{
+  options.modules.desktop = {
+    enable = lib.mkEnableOption "Enable installations of desktop apps.";
+    graphics.enable = lib.mkEnableOption "Install graphics-related apps.";
+    audio.enable = lib.mkEnableOption "Install audio-related apps.";
+  };
+
+  config = lib.mkIf cfg.enable (lib.mkMerge [
+    (lib.mkIf cfg.graphics.enable {
+      home.packages = with pkgs; [
+        aseprite # Pixel art wannabe tool.
+        blender # 3D modelling wannabe tool.
+        inkscape # Illustration wannabe tool.
+        gimp # Photo editing wannabe tool.
+        krita # Digital art wannabe tool.
+      ];
+    })
+
+    (lib.mkIf cfg.audio.enable {
+      home.packages = with pkgs; [
+        ardour
+        musescore
+
+        # Trying to
+        yabridge
+        yabridgectl
+        helvum
+      ];
+
+      services.easyeffects.enable = true;
+    })
+  ]);
+}

users/modules/dev.nix

@@ -16,6 +16,9 @@ in
           lazygit # Git interface for the lazy.
           fzf # A fuzzy finder that enables fuzzy finding not furry finding, a common misconception.
           gopass # An improved version of the password manager for hipsters.
+          perl534Packages.vidir # Bulk rename for your organizing needs.
+          zellij # A modern tmux?
+          lf # File manager in the terminal, really.
 
           # Coreutils replacement.
           fd # Oh nice, a more reliable `find`.
@@ -23,12 +26,20 @@ in
           exa # Oh nice, a shinier `ls`.
           bat # dog > bat > cat
         ];
+      })
 
+      (lib.mkIf cfg.shell.enable {
         programs.direnv = {
           enable = true;
           nix-direnv.enable = true;
         };
         programs.zoxide.enable = true;
+        programs.starship = {
+          enable = true;
+          settings = {
+            add_newline = false;
+          };
+        };
       })
     ]);
 }