config: add comments

flake.nix

@@ -144,7 +144,8 @@
         # Some defaults for evaluating modules.
         _module.check = true;
 
-        # Initialize some of the XDG base directories ourselves since it is used by NIX_PROFILES to properly link some of them.
+        # Initialize some of the XDG base directories ourselves since it is
+        # used by NIX_PROFILES to properly link some of them.
         environment.sessionVariables = {
           XDG_CACHE_HOME = "$HOME/.cache";
           XDG_CONFIG_HOME = "$HOME/.config";

hosts/ni/modules/setups/gaming.nix

@@ -16,11 +16,12 @@ in
       retro-computing.enable = true;
     };
 
+    # Bring more of them games.
     environment.systemPackages = with pkgs; [
-      dwarf-fortress
-      mindustry
-      minetest
-      the-powder-toy
+      dwarf-fortress # Losing only means more possibilities to play.
+      mindustry # Not a Minecraft industry simulator.
+      minetest # Free Minecraft.
+      the-powder-toy # Free micro-Minecraft.
     ];
 
     # This is somewhat used for streaming games from it.

lib/images.nix

@@ -8,10 +8,12 @@ let
     // import ./private.nix { lib = self; };
 in
 {
-  # A wrapper around the NixOS configuration function.
+  # A thin wrapper around the NixOS configuration function.
   mkHost = { extraModules ? [ ], nixpkgs-channel ? "nixpkgs" }:
     let
       nixpkgs = inputs.${nixpkgs-channel};
+
+      # Just to be sure, we'll use everything with the given nixpkgs' stdlib.
       lib' = nixpkgs.lib.extend extendLib;
 
       # A modified version of `nixosSystem` from nixpkgs flake. There is a
@@ -25,7 +27,7 @@ in
       modules = extraModules;
     };
 
-  # A wrapper around the home-manager configuration function.
+  # A thin wrapper around the home-manager configuration function.
   mkHome = { pkgs, extraModules ? [ ], home-manager-channel ? "home-manager" }:
     inputs.${home-manager-channel}.lib.homeManagerConfiguration {
       inherit pkgs;
@@ -33,7 +35,7 @@ in
       modules = extraModules;
     };
 
-  # A wrapper around the nixos-generators `nixosGenerate` function.
+  # A thin wrapper around the nixos-generators `nixosGenerate` function.
   mkImage = { pkgs ? null, extraModules ? [ ], format ? "iso" }:
     inputs.nixos-generators.nixosGenerate {
       inherit pkgs format;
@@ -41,6 +43,12 @@ in
       modules = extraModules;
     };
 
+  # A function to modify the given table of declarative setups (i.e., hosts,
+  # users) to have its own system attribute and its name.
+  #
+  # If the given setup only has one system, its name will stay the same.
+  # Otherwise, it will be appended with the system as part of the name (e.g.,
+  # `$NAME-$SYSTEM`).
   listImagesWithSystems = data:
     lib.foldlAttrs
       (acc: name: metadata:

modules/home-manager/profiles/desktop.nix

@@ -179,7 +179,7 @@ in {
         foliate # The prettier PDF viewer (if you're OK with a mixed bag of GTK3+GTK4 apps).
         thunderbird # Email and web feed checks.
         languagetool # You're personal assistant for proper grammar,
-        vale # Elevate your fanfics to an arguably higher caliber!
+        vale # Elevate your fanfics to a frivolously higher caliber!
       ];
 
       xdg.mimeApps.defaultApplications = {

modules/home-manager/profiles/dev.nix

@@ -138,6 +138,7 @@ in {
       };
     })
 
+    # Modern problems require modern tools.
     (lib.mkIf cfg.coreutils-replacement.enable {
       home.packages = with pkgs; [
         fd # Welp, a reliable find.
@@ -172,6 +173,7 @@ in {
       };
     })
 
+    # Extra extras.
     (lib.mkIf cfg.extras.enable {
       home.packages = with pkgs; [
         gum # The fancy shell script toolkit.
@@ -179,12 +181,13 @@ in {
         license-cli # A nice generator template for license files.
         quilt # Patching right up yer' alley.
         tokei # Stroking your programming ego by how many lines of C you've written.
-        treefmt # I like the tagline of this tool: "One CLI for formatting your code tree." (It rhymes somewhat.)
+        treefmt # I like the rhyming tagline of this tool which is why it's here.
         vhs # Declarative terminal tool demo.
         zenith # Very fanciful system dashboard.
       ];
     })
 
+    # Abuncha' shady tools.
     (lib.mkIf cfg.shaders.enable {
       home.packages = with pkgs; [
         bonzomatic # Shadertoys for desktop bozos.
@@ -198,7 +201,7 @@ in {
         kanidm # What is you?
         ipcalc # Calculate how many stars are there in space.
         geoip # Know where the spam came from.
-        sshfs # Intrude others' home, why don't 'ya?
+        sshfs # Intrude others' home and steal their shit, why don't 'ya?
         whois # Doctor, are you not?
       ];
     })

modules/nixos/profiles/gaming.nix

@@ -63,7 +63,7 @@ in
       environment.systemPackages = with pkgs; [
         cataclysm-dda # Dwarf Fortress but in the future.
         dwarf-fortress # Dwarf Fortress.
-        endless-sky # Dwarf Fortress but in space and in the far future.
+        endless-sky # My other cocaine replacement.
         mindustry # Dwarf Fortress but with machineries.
         minetest # Dwarf Fortress but with voxels.
         openra # Dwarf Fortress but with futuristic armed civilizations.

modules/nixos/workflows/a-happy-gnome/default.nix

@@ -25,7 +25,7 @@ in
       type = with lib.types; listOf package;
       description = ''
         A list of GNOME Shell extensions to be included. Take note the package
-        contain `passthru.extensionUuid` to be used for enabling the
+        should contain `passthru.extensionUuid` to be used for enabling the
         extensions.
       '';
       default = with pkgs.gnomeExtensions; [