From d7a4bf599859b259331d5b25abaf93568846283c Mon Sep 17 00:00:00 2001
From: K900 <me@0upti.me>
Date: Sat, 2 Mar 2024 11:17:58 +0300
Subject: [PATCH] nixos/plasma6: nuke sycoca on activation

This is not the right solution, but it should get us going for now.
---
 .../services/x11/desktop-managers/plasma6.nix      | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/nixos/modules/services/x11/desktop-managers/plasma6.nix b/nixos/modules/services/x11/desktop-managers/plasma6.nix
index 8d84c5a7431b..1237261e0af7 100644
--- a/nixos/modules/services/x11/desktop-managers/plasma6.nix
+++ b/nixos/modules/services/x11/desktop-managers/plasma6.nix
@@ -10,6 +10,11 @@
 
   inherit (pkgs) kdePackages;
   inherit (lib) literalExpression mkDefault mkIf mkOption mkPackageOptionMD types;
+
+  activationScript = ''
+    # will be rebuilt automatically
+    rm -fv $HOME/.cache/ksycoca*
+  '';
 in {
   options = {
     services.xserver.desktopManager.plasma6 = {
@@ -273,5 +278,14 @@ in {
     };
 
     programs.kdeconnect.package = kdePackages.kdeconnect-kde;
+
+    # FIXME: ugly hack. See #292632 for details.
+    system.userActivationScripts.rebuildSycoca = activationScript;
+    systemd.user.services.nixos-rebuild-sycoca = {
+      description = "Rebuild KDE system configuration cache";
+      wantedBy = [ "graphical-session-pre.target" ];
+      serviceConfig.Type = "oneshot";
+      script = activationScript;
+    };
   };
 }