clean up and refactor more into OS snippets; bluetooth works on x13s

nix/os/snippets/bluetooth.nix

@@ -0,0 +1,9 @@
+{ pkgs
+, lib
+, ...
+}: {
+  # required for running blueman-applet in user sessions
+  services.dbus.packages = with pkgs; [ blueman ];
+  hardware.bluetooth.enable = true;
+  services.blueman.enable = true;
+}

nix/os/snippets/home-manager-with-zsh.nix

@@ -0,0 +1,49 @@
+{ nodeFlake
+, repoFlake
+, repoFlakeInputs'
+, packages'
+, pkgs
+, ...
+}:
+
+let
+  # TODO: make this configurable
+  homeUser = "steveej";
+  commonHomeImports = [
+    ../../home-manager/profiles/common.nix
+    ../../home-manager/programs/neovim.nix
+    ../../home-manager/programs/zsh.nix
+  ];
+in
+{
+  imports = [
+    nodeFlake.inputs.home-manager.nixosModules.home-manager
+  ];
+
+  # TODO: investigate an issue with the "name" arg contained here, which causes problems with home-manager
+  # home-manager.extraSpecialArgs = specialArgs;
+  # hence, opt for passing the arguments selectively instead
+  home-manager.extraSpecialArgs = {
+    inherit
+      repoFlake
+      repoFlakeInputs'
+      packages'
+      nodeFlake
+      ;
+  };
+
+  home-manager.useGlobalPkgs = false;
+  home-manager.useUserPackages = true;
+
+  home-manager.users.root = _: {
+    imports = commonHomeImports;
+  };
+
+  home-manager.users."${homeUser}" = _: {
+    imports = commonHomeImports;
+  };
+
+  programs.zsh.enable = true;
+  users.defaultUserShell = pkgs.zsh;
+  environment.pathsToLink = [ "/share/zsh" ];
+}

nix/os/snippets/nix-settings.nix

@@ -1,9 +1,7 @@
-{
-  nodeFlake,
-
-  pkgs,
-  lib,
-  ...
+{ nodeFlake
+, pkgs
+, lib
+, ...
 }: {
   nix.daemonCPUSchedPolicy = "idle";
   nix.daemonIOSchedClass = "idle";
@@ -17,8 +15,6 @@
   nix.settings.experimental-features = [
     "nix-command"
     "flakes"
-    "ca-derivations"
-    "impure-derivations"
   ];
 
   nix.settings.system-features = [
@@ -29,4 +25,5 @@
   ];
 
   nix.registry.nixpkgs.flake = nodeFlake.inputs.nixpkgs;
+
 }

nix/os/snippets/sway-desktop.nix

@@ -1,4 +1,8 @@
-{ pkgs, lib, ... }:
+{ pkgs
+, lib
+, config
+, ...
+}:
 
 let
   # TODO: make this configurable
@@ -64,6 +68,7 @@ in
   };
 
   security.pam.services.getty.enableGnomeKeyring = true;
+  security.pam.services."autovt@tty1".enableGnomeKeyring = true;
   services.gnome.gnome-keyring.enable = true;
 
   # autologin steveej on tty1
@@ -79,11 +84,20 @@ in
     Restart = "always";
     Type = "idle";
   };
-  programs.zsh.loginShellInit = ''
-    if test $(id --user steveej) = $(id -u) && test $(tty) = "/dev/tty1"; then
-      exec sway
-    fi
-  '';
+
+  programs =
+    let
+      steveejSwayOnTty1 = ''
+        if test $(id --user steveej) = $(id -u) && test $(tty) = "/dev/tty1"; then
+          exec sway
+        fi
+      '';
+    in
+    {
+      bash.loginShellInit = steveejSwayOnTty1;
+      # TODO: only do this when zsh is enabled. first naiv attempt lead infinite recursion
+      zsh.loginShellInit = steveejSwayOnTty1;
+    };
 
   home-manager.users."${homeUser}" = _: {
     imports = [