smaller cleanups

Author: Mic92

share/modules/nixos-shell-config.nix

@@ -51,18 +51,12 @@ in {
         # FIXME? currently 500K seems to be the limit?
         virtualisation.msize = mkVMDefault 104857600;
 
-        services =
-          let
-            service = if lib.versionAtLeast (lib.versions.majorMinor lib.version) "20.09" then "getty" else "mingetty";
-          in
-          {
-            ${service}.helpLine = ''
-              Log in as "root" with an empty password.
-              If you are connect via serial console:
-              Type Ctrl-a c to switch to the qemu console
-              and `quit` to stop the VM.
-            '';
-          };
+        services.getty.helpLine = ''
+          If you are connect via serial console:
+          Type Ctrl-a c to switch to the qemu console
+          and `quit` to stop the VM.
+        '';
+        services.getty.autologinUser = "root";
 
         virtualisation = {
           graphics = mkVMDefault false;

share/modules/nixos-shell.nix

@@ -1,4 +1,4 @@
-{ lib, options, pkgs, modulesPath, ... }:
+{ lib, modulesPath, ... }:
 
 {
   imports = [
@@ -16,7 +16,7 @@
       mountHome = mkOption {
         type = types.bool;
         default = true;
-        description = "Whether to mount <filename>/home</filename>.";
+        description = "Whether to mount `/home`.";
       };
 
       mountNixProfile = mkOption {
@@ -36,7 +36,7 @@
             options = {
               target = mkOption {
                 type = types.path;
-                description = "Target on the guest.";
+                description = lib.mdDoc "Target on the guest.";
               };
 
               inherit cache;