feat: add terminal and file manager option

home/graphical/fuzzel.nix

@@ -1,4 +1,4 @@
-{ pkgs, ... }:
+{ lib, osConfig, ... }:
 {
   programs.fuzzel = {
     enable = true;
@@ -9,7 +9,7 @@
         font = "Hack:weight=bold";
         line-height = 30;
         fields = "name,generic,comment";
-        terminal = "${pkgs.foot}/bin/foot -e";
+        terminal = lib.my.getExe osConfig.modules.system.roles.desktop.terminal;
         prompt = "❯   ";
         layer = "overlay";
       };

home/hyprland/default.nix

@@ -148,8 +148,8 @@ mkIf osConfig.programs.hyprland.enable {
       bind =
         [
           "$mod, D, exec, ${pkgs.fuzzel}/bin/fuzzel"
-          "$mod, E, exec, ${pkgs.nautilus}/bin/nautilus"
+          "$mod, E, exec, ${lib.my.getExe osConfig.system.roles.desktop.filemanager}"
-          "$mod, Return, exec, ${pkgs.foot}/bin/foot"
+          "$mod, Return, exec, ${lib.my.getExe osConfig.modules.system.roles.desktop.terminal}"
           "$mod SHIFT, Q, killactive,"
           "$mod, V, togglefloating"
           "$mod SHIFT, P, exec, ${config.programs.rofi.package}/bin/rofi -show p -modi p:${pkgs.rofi-power-menu}/bin/rofi-power-menu"

home/rofi/default.nix

@@ -2,6 +2,7 @@
   pkgs,
   config,
   lib,
+  osConfig,
   ...
 }:
 lib.mkIf config.programs.rofi.enable {
@@ -13,7 +14,7 @@ lib.mkIf config.programs.rofi.enable {
       package = pkgs.rofi-wayland.override { inherit plugins; };
       plugins = [ pkgs.rofi-calc ];
       theme = "${conf}/themes/rounded-gray-dark.rasi";
-      terminal = "${pkgs.foot}/bin/foot";
+      terminal = lib.my.getExe osConfig.modules.system.roles.desktop.terminal;
       extraConfig = {
         modes = [
           "combi"
@@ -23,7 +24,7 @@ lib.mkIf config.programs.rofi.enable {
           "run"
           # WARNING: ABI version mismatch
           # "calc"
-          "clipboard:${lib.my.checkPath pkgs.cliphist "cliphist-rofi-img"}"
+          "clipboard:${lib.my.getExe' pkgs.cliphist "cliphist-rofi-img"}"
         ];
         matching = "fuzzy";
         sort = true;

home/scripts/default.nix

@@ -10,7 +10,7 @@ let
     name: word:
     writeFishBin name ''
       env --chdir ~/.nixconf ${pkgs.nh}/bin/nh os ${word} . $argv \
-        && ${lib.my.checkPath pkgs.libnotify "notify-send"} nixos-rebuild "Rebuild complete" \
+        && ${lib.my.getExe' pkgs.libnotify "notify-send"} nixos-rebuild "Rebuild complete" \
             -a nixos-rebuild \
             -i ${pkgs.nixos-icons}/share/icons/hicolor/scalable/apps/nix-snowflake.svg
     '';

home/sway/default.nix

@@ -8,6 +8,9 @@
 }:
 let
   inherit (lib) mapAttrs;
+  desktop = osConfig.modules.system.roles.desktop;
+  term = lib.my.getExe desktop.terminal;
+  filemanager = lib.my.getExe desktop.filemanager;
 in
 lib.mkIf osConfig.programs.sway.enable {
 
@@ -16,8 +19,6 @@ lib.mkIf osConfig.programs.sway.enable {
 
   wayland.windowManager.sway =
     let
-      term = "${pkgs.foot}/bin/foot";
-      filemanager = "${pkgs.nautilus}/bin/nautilus";
       colors = {
         lavender = "#babbf1";
         black = "#000000";
@@ -69,7 +70,6 @@ lib.mkIf osConfig.programs.sway.enable {
             # Make focused window fullscreen
             "${mod}+f" = "fullscreen";
             # Start launcher
-            #"${mod}+d" = "exec rofi -config ${homeDirectory}/.config/rofi/config.rasi -show combi -automatic-save-to-history | xargs swaymsg exec --";
             "${mod}+d" = "exec ${pkgs.fuzzel}/bin/fuzzel";
             "${mod}+s" = "exec rofi -show clipboard -show-icons";
             # Toggle the current focus between tiling and floating mode

home/terminal/fish/default.nix

@@ -1,6 +1,6 @@
 { pkgs, lib, ... }:
 let
-  inherit (lib.my) checkPath;
+  inherit (lib.my) getExe';
 in
 {
   programs.fish = {
@@ -11,7 +11,7 @@ in
     functions = {
       gitignore = "curl -sL https://www.gitignore.io/api/$argv";
       mv-bad-creation-date = ''
-        ${checkPath pkgs.exiftool "exiftool"} -if 'not $CreateDate' -p '$FileName' "$PWD/$argv[1]" | xargs -I {} mv -i "$PWD/$argv[1]/{}" "$argv[2]"
+        ${getExe' pkgs.exiftool "exiftool"} -if 'not $CreateDate' -p '$FileName' "$PWD/$argv[1]" | xargs -I {} mv -i "$PWD/$argv[1]/{}" "$argv[2]"
       '';
       rename-images = ''
         set -f input "$PWD/$argv[1]"
@@ -19,7 +19,7 @@ in
         if not test -d $input
             echo "input is not a directory"
         else
-            ${checkPath pkgs.exiftool "exiftool"} -if '$CreateDate' -p '$FileName' "$input" | xargs -I {} jhead -n%Y-%m-%d-%H%M%S "$input/{}"
+            ${getExe' pkgs.exiftool "exiftool"} -if '$CreateDate' -p '$FileName' "$input" | xargs -I {} jhead -n%Y-%m-%d-%H%M%S "$input/{}"
         end
       '';
       fish_prompt = builtins.readFile ./fish_prompt.fish;

hosts/brontes/home.nix

@@ -49,7 +49,6 @@
         pwvucontrol
         thunderbird
         keepassxc
-        nautilus
         protonmail-bridge-gui
         varia
         signal-desktop

hosts/marr/home.nix

@@ -56,11 +56,9 @@
         gimp
         thunderbird
         keepassxc
-        nautilus
         protonmail-bridge-gui
         varia
         signal-desktop
-        foot
 
         # Proprietary
         postman

options/system/roles/desktop.nix

@@ -1,9 +1,36 @@
-{ lib, ... }:
+{
+  pkgs,
+  lib,
+  config,
+  ...
+}:
 let
-  inherit (lib) mkEnableOption;
+  inherit (lib) mkEnableOption mkOption mkIf;
+  inherit (lib.types) package;
+  cfg = config.modules.system.roles.desktop;
 in
 {
   options.modules.system.roles.desktop = {
     enable = mkEnableOption "desktop usage features";
+
+    terminal = mkOption {
+      type = package;
+      default = pkgs.foot;
+      description = ''
+        The default terminal emulator used on the system.
+        To be used by other options and configurations.
+      '';
+    };
+    filemanager = mkOption {
+      type = package;
+      default = pkgs.nautilus;
+      description = '''';
+    };
+  };
+  config = mkIf cfg.enable {
+    environment.systemPackages = [
+      cfg.terminal
+      cfg.filemanager
+    ];
   };
 }

options/system/roles/terminal.nix

@@ -37,6 +37,7 @@ in
         unzip
         fd
         ripgrep
+        jnv
       ];
     };
   };

parts/lib/functions.nix

@@ -29,15 +29,6 @@ in
     SystemCallArchitectures = "native";
   };
 
-  # Verify the existence of a binary inside of a derivation.
-  # Returns the path to the binary or throws.
-  checkPath =
-    pkg: bin:
-    let
-      abs = lib.getExe' pkg bin;
-    in
-    if builtins.pathExists abs then abs else throw "${abs} does not exist.";
-
   mkSystem =
     {
       withSystem,
@@ -79,6 +70,23 @@ in
   validatePath =
     s: if (builtins.pathExists s) then (builtins.baseNameOf s) else throw "${s} does not exist";
 
+  # Return the main executable of a derivation, throwing if it doesn't exist
+  getExe =
+    pkg:
+    let
+      abs = lib.getExe pkg;
+    in
+    if builtins.pathExists abs then abs else throw "${abs} does not exist.";
+
+  # Verify the existence of a binary inside of a derivation.
+  # Returns the path to the binary or throws.
+  getExe' =
+    pkg: bin:
+    let
+      abs = lib.getExe' pkg bin;
+    in
+    if builtins.pathExists abs then abs else throw "${abs} does not exist.";
+
   mkVHost = name: port: ssl: {
     inherit name;
     value = {