From e3a17925f2b5f71f1cb919428834afdcbed14ac0 Mon Sep 17 00:00:00 2001
From: Ryan Yin <xiaoyin_c@qq.com>
Date: Sat, 9 Dec 2023 16:37:54 +0800
Subject: [PATCH] fix: nix optimise storage

---
 modules/nixos/core-server.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/modules/nixos/core-server.nix b/modules/nixos/core-server.nix
index 0189a57d..dc9b978e 100644
--- a/modules/nixos/core-server.nix
+++ b/modules/nixos/core-server.nix
@@ -16,6 +16,10 @@
   # for nix server, we do not need to keep too much generations
   boot.loader.systemd-boot.configurationLimit = lib.mkDefault 10;
 
+  # Manual optimise storage: nix-store --optimise
+  # https://nixos.org/manual/nix/stable/command-ref/conf-file.html#conf-auto-optimise-store
+  nix.settings.auto-optimise-store = true;
+
   # Set your time zone.
   time.timeZone = "Asia/Shanghai";