From 2a20ecbd1e4282ed6d21b21936e3b5a17509ca3e Mon Sep 17 00:00:00 2001
From: Bruno BELANYI <bruno@belanyi.fr>
Date: Fri, 29 Nov 2024 22:24:38 +0000
Subject: [PATCH] nixos: system: persist: filter unique entries

To make sure that different modules configuring the same values don't
run into any issues (e.g: download clients sharing a download
directory).
---
 modules/nixos/system/persist/default.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/modules/nixos/system/persist/default.nix b/modules/nixos/system/persist/default.nix
index e0a1eeb..212f902 100644
--- a/modules/nixos/system/persist/default.nix
+++ b/modules/nixos/system/persist/default.nix
@@ -50,7 +50,7 @@ in
         "/etc/machine-id" # Machine-specific ID
         "/etc/adjtime" # Clock drift factor and offsets
       ]
-      ++ cfg.files
+      ++ lib.unique cfg.files
       ;
 
       directories = [
@@ -59,7 +59,7 @@ in
         "/var/lib/nixos" # UID/GID maps
         "/var/lib/systemd/coredump" # Coredumps
       ]
-      ++ cfg.directories
+      ++ lib.unique cfg.directories
       ;
     };
   };