add spacefm

hosts/yodaTux/configuration.nix

@@ -25,6 +25,7 @@
       ../../modules/wallpaper.nix
 
       ../../modules/programs.nix
+      ../../modules/spaceFM.nix
       ../../modules/nextcloud-integration.nix
       ../../modules/syncthing.nix
       ../../modules/signal-desktop.nix

modules/spaceFM.nix

@@ -0,0 +1,25 @@
+{ config, pkgs, lib, ... }:
+{
+  users.users.yoda = {
+    packages = with pkgs; [
+      spaceFM
+    ];
+  };
+
+  # spaceFM won't start on Wayland except setting GDK_BACKEND=x11.
+  # See https://github.com/NixOS/nixpkgs/issues/275426
+  nixpkgs.overlays = lib.mkIf (config.services.xserver.displayManager.gdm.wayland) [
+    (final: prev: {
+      spaceFM = prev.spaceFM.overrideAttrs (oldAttrs: {
+        postInstall = (oldAttrs.postInstall or "") + ''
+          substituteInPlace $out/share/applications/spacefm.desktop \
+            --replace "Exec=spacefm" "Exec=env GDK_BACKEND=x11 spacefm"
+          substituteInPlace $out/share/applications/spacefm-find.desktop \
+            --replace "Exec=spacefm" "Exec=env GDK_BACKEND=x11 spacefm"
+          substituteInPlace $out/share/applications/spacefm-folder-handler.desktop \
+            --replace "Exec=spacefm" "Exec=env GDK_BACKEND=x11 spacefm"
+        '';
+      });
+    })
+  ];
+}