all: use overlays everywhere, add newer ssh for everything

default.nix

@@ -20,7 +20,7 @@ in {
     ./dbuild
     ./gui
     ./pkgs
-    #./overlays
+    ./overlays
     ./services
     ./system/nix-config.nix
     ./system/nix-lockdown.nix

hosts/europa/default.nix

@@ -8,12 +8,8 @@ let
 in {
   _module.args.isUnstable = true;
 
-  imports = [
-    ./hardware-configuration.nix
-    ../../pkgs
-    ../../configs/neomutt.nix
-    ../../overlays/default.nix
-  ];
+  imports =
+    [ ./hardware-configuration.nix ../../pkgs ../../configs/neomutt.nix ];
 
   sops.secrets = {
     fastmail = {

hosts/h/default.nix

@@ -23,11 +23,7 @@ let
 
 in {
   _module.args.isUnstable = true;
-  imports = [
-    ./hardware-configuration.nix
-    ../../modules/gotosocial.nix
-    ../../overlays/default.nix
-  ];
+  imports = [ ./hardware-configuration.nix ../../modules/gotosocial.nix ];
 
   boot.loader.grub.enable = true;
   boot.loader.grub.version = 2;

hosts/stan/default.nix

@@ -13,7 +13,7 @@ let
     "root";
 in {
   _module.args.isUnstable = true;
-  imports = [ ./hardware-configuration.nix ../../overlays/default.nix ];
+  imports = [ ./hardware-configuration.nix ];
 
   boot = {
     loader = {

overlays/default.nix

@@ -60,7 +60,18 @@
       });
     })
   ] else
-    [ ];
+    [
+      (self: super: {
+        openssh = super.openssh.overrideAttrs (old: {
+          version = "9.1p1";
+
+          src = super.fetchurl {
+            url = "mirror://openbsd/OpenSSH/portable/openssh-9.1p1.tar.gz";
+            hash = "sha256-GfhQCcfj4jeH8CNvuxV4OSq01L+fjsX+a8HNfov90og=";
+          };
+        });
+      })
+    ];
 }
 
 # Example Python dep overlay