autorandr: deterministic and applies for LigthDM

os/desktop/autorandr.nix

@@ -0,0 +1,21 @@
+{ pkgs, lib, config, ... }:
+let
+  setupScript = "${pkgs.writeShellApplication {
+    name = "greeter-setup-script";
+    runtimeInputs = [ pkgs.autorandr ];
+    text = ''
+      autorandr --change
+    '';
+  }}/bin/greeter-setup-script";
+in
+{
+  config = {
+    services = {
+      autorandr.enable = true;
+      xserver.displayManager.lightdm.extraConfig = ''
+        [Seat:*]
+        display-setup-script = ${setupScript}
+      '';
+    };
+  };
+}

os/desktop/default.nix

@@ -0,0 +1,51 @@
+{ pkgs, lib, config, ... }:
+{
+  config = lib.mkIf config.frogeye.desktop.xorg {
+    services = {
+      blueman.enable = true;
+      displayManager.defaultSession = "none+i3";
+      xserver = {
+        enable = true;
+        windowManager.i3.enable = true;
+
+        # Keyboard layout
+        xkb = {
+          extraLayouts.qwerty-fr = {
+            description = "QWERTY-fr";
+            languages = [ "fr" ];
+            symbolsFile = "${pkgs.stdenv.mkDerivation {
+              name = "qwerty-fr-keypad";
+              src = builtins.fetchGit {
+                url = "https://github.com/qwerty-fr/qwerty-fr.git";
+                rev = "3a4d13089e8ef016aa20baf6b2bf3ea53de674b8";
+              };
+              patches = [ ./qwerty-fr-keypad.diff ];
+              # TODO This doesn't seem to be applied... it's the whole point of the derivation :(
+              installPhase = ''
+                runHook preInstall
+                mkdir -p $out/linux
+                cp $src/linux/us_qwerty-fr $out/linux
+                runHook postInstall
+              '';
+            }}/linux/us_qwerty-fr";
+          };
+          layout = "qwerty-fr";
+        };
+      };
+    };
+
+    # Enable sound & bluetooth
+    sound.enable = true;
+    hardware = {
+      bluetooth.enable = true;
+      pulseaudio.enable = true;
+      # TODO Try pipewire
+    };
+
+    # So we can use gnome3 pinentry flavour
+    services.dbus.packages = [ pkgs.gcr ];
+  };
+  imports = [
+    ./autorandr.nix
+  ];
+}

os/desktop/qwerty-fr-keypad.diff

@@ -0,0 +1,10 @@
+--- ./linux/us_qwerty-fr
++++ ./linux/us_qwerty-fr
+@@ -4,6 +4,7 @@
+ {
+     include "us(basic)"
+     include "level3(ralt_switch)"
++    include "keypad(oss)"
+
+     name[Group1]= "US keyboard with french symbols - AltGr combination";
+