From 4012bc95d43422230b0d3b60b85f817814e57dfb Mon Sep 17 00:00:00 2001
From: chn <chn@chn.moe>
Date: Thu, 21 Aug 2025 08:11:25 +0800
Subject: [PATCH] modules.system.nix: disable keep-outputs

---
 modules/system/nix.nix | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/modules/system/nix.nix b/modules/system/nix.nix
index 92d34a72..ce0f7c08 100644
--- a/modules/system/nix.nix
+++ b/modules/system/nix.nix
@@ -33,7 +33,8 @@ inputs:
         max-jobs = 4;
         cores = 0;
         keep-going = true;
-        keep-outputs = true;
+        # do not keep unused outputs, backup it manually on nas
+        keep-outputs = false;
         connect-timeout = 5;
       };
       systemd.services.nix-daemon = { serviceConfig.CacheDirectory = "nix"; environment.TMPDIR = "/var/cache/nix"; };