From a808b01f42214fbb91b886c1816db114f3a2488b Mon Sep 17 00:00:00 2001
From: Gabriel Arazas <foodogsquared@foodogsquared.one>
Date: Sat, 22 Jun 2024 22:29:19 +0800
Subject: [PATCH] nixos/programs/gnome-session: remove
 `sessions.<name>.display`

I don't want to deal with opening up migration options for something
that will be surely culled in the future so we'll go Wayland-exclusive
for this.
---
 .../nixos/programs/gnome-session/default.nix  | 29 ++-----------------
 .../gnome-session/submodules/session-type.nix | 10 -------
 2 files changed, 2 insertions(+), 37 deletions(-)

diff --git a/modules/nixos/programs/gnome-session/default.nix b/modules/nixos/programs/gnome-session/default.nix
index d044b712..84b55851 100644
--- a/modules/nixos/programs/gnome-session/default.nix
+++ b/modules/nixos/programs/gnome-session/default.nix
@@ -39,32 +39,6 @@ let
           ${lib.getExe' cfg.package "gnome-session"} ${lib.escapeShellArgs session.extraArgs}
         '';
 
-        displayScripts =
-          let
-            hasMoreDisplays = protocol: lib.optionalString (lib.length session.display > 1) "fullName='${session.fullName} (${protocol})'";
-          in
-          {
-            wayland = ''
-              (
-                DISPLAY_SESSION_FILE="$out/share/wayland-sessions/${session.name}.desktop"
-                install -Dm0644 "$displaySessionPath" "$DISPLAY_SESSION_FILE"
-                ${hasMoreDisplays "Wayland"} substituteAllInPlace "$DISPLAY_SESSION_FILE"
-              )
-            '';
-            x11 = ''
-              (
-                DISPLAY_SESSION_FILE="$out/share/xsessions/${session.name}.desktop"
-                install -Dm0644 "$displaySessionPath" "$DISPLAY_SESSION_FILE"
-                ${hasMoreDisplays "X11"} substituteAllInPlace "$DISPLAY_SESSION_FILE"
-              )
-            '';
-          };
-
-        installDesktopSessionFiles = builtins.map
-          (display:
-            displayScripts.${display})
-          session.display;
-
         installDesktopFiles =
           lib.mapAttrsToList
             (name: component:
@@ -94,7 +68,8 @@ let
           install -Dm0644 "$gnomeSessionPath" "$GNOME_SESSION_FILE"
           substituteAllInPlace "$GNOME_SESSION_FILE"
 
-          ${lib.concatStringsSep "\n" installDesktopSessionFiles}
+          DISPLAY_SESSION_FILE="$out/share/wayland-sessions/${session.name}.desktop"
+          install -Dm0644 "$displaySessionPath" "$DISPLAY_SESSION_FILE"
 
           ${lib.concatStringsSep "\n" installDesktopFiles}
         ''
diff --git a/modules/nixos/programs/gnome-session/submodules/session-type.nix b/modules/nixos/programs/gnome-session/submodules/session-type.nix
index 63511b71..0afa6a65 100644
--- a/modules/nixos/programs/gnome-session/submodules/session-type.nix
+++ b/modules/nixos/programs/gnome-session/submodules/session-type.nix
@@ -78,16 +78,6 @@ in
       example = [ "GNOME" "Garden" ];
     };
 
-    display = lib.mkOption {
-      type = with lib.types; listOf (enum [ "wayland" "x11" ]);
-      description = ''
-        A list of display server protocols supported by the desktop
-        environment.
-      '';
-      default = [ "wayland" ];
-      example = [ "wayland" "x11" ];
-    };
-
     description = lib.mkOption {
       type = lib.types.nonEmptyStr;
       description = ''