From df2ee459a184c5f685864aff32b80763b8966e06 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Matej=20Jane=C5=BEi=C4=8D?= <janezic.mj@gmail.com>
Date: Mon, 13 Apr 2026 11:53:41 +0200
Subject: [PATCH] feat: improve cache-builder service trigger

---
 features/harmonia/default.nix | 13 ++++---------
 1 file changed, 4 insertions(+), 9 deletions(-)

diff --git a/features/harmonia/default.nix b/features/harmonia/default.nix
index a29a0b5..ec1d9c7 100644
--- a/features/harmonia/default.nix
+++ b/features/harmonia/default.nix
@@ -43,15 +43,10 @@
           path = [ config.nix.package ];
         };
 
-        systemd.timers.cache-builder = {
-          description = "Periodically build all host closures";
-          wantedBy = [ "timers.target" ];
-          timerConfig = {
-            OnUnitActiveSec = "15min";
-            OnBootSec = "5min";
-            Persistent = true;
-          };
-        };
+        # restart cache-builder after every nixos switch (non-blocking)
+        system.activationScripts.cache-builder = lib.stringAfter [ "specialfs" ] ''
+          ${config.systemd.package}/bin/systemctl restart --no-block cache-builder.service || true
+        '';
       };
     };
 }