From 3b7af25083c7706b4cb644884099d954b107b1fb Mon Sep 17 00:00:00 2001
From: Zoty <zotydev@gmail.com>
Date: Tue, 7 Jul 2026 08:29:00 -0300
Subject: [PATCH] fix xdg.mimeapps

---
 modules/niri.nix | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/modules/niri.nix b/modules/niri.nix
index fd66186..eb8aabf 100644
--- a/modules/niri.nix
+++ b/modules/niri.nix
@@ -27,6 +27,19 @@
       config.common.default = [ "gnome" ];
     };
 
+    # Without a full Plasma session, kbuildsycoca6 has no XDG applications
+    # menu to build KServices from, so Dolphin can't resolve default apps and
+    # fails to open files with KDE apps (ark/gwenview) — "org.kde.ark was not
+    # found". Ship the Plasma menu under both names it may be looked up as
+    # (XDG_MENU_PREFIX=plasma- expects plasma-applications.menu).
+    # https://github.com/NixOS/nixpkgs/issues/409986
+    environment.etc = {
+      "xdg/menus/applications.menu".source =
+        "${pkgs.kdePackages.plasma-workspace}/etc/xdg/menus/plasma-applications.menu";
+      "xdg/menus/plasma-applications.menu".source =
+        "${pkgs.kdePackages.plasma-workspace}/etc/xdg/menus/plasma-applications.menu";
+    };
+
     security.pam.services.swaylock = {};
 
     services.greetd = {