From a144093227c6bfd5891f7fc422bb0dabd531142c Mon Sep 17 00:00:00 2001
From: Ryan Yin <xiaoyin_c@qq.com>
Date: Tue, 1 Jul 2025 16:20:52 +0800
Subject: [PATCH] feat: allow to modify /etc/hosts for testing

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

diff --git a/modules/nixos/base/networking.nix b/modules/nixos/base/networking.nix
index 733c2bb0..33830355 100644
--- a/modules/nixos/base/networking.nix
+++ b/modules/nixos/base/networking.nix
@@ -18,4 +18,8 @@
     "ntp.aliyun.com" # Aliyun NTP Server
     "ntp.tencent.com" # Tencent NTP Server
   ];
+
+  # dynamically update /etc/hosts for testing
+  # Note that changes made in this way will be discarded when switching configurations.
+  environment.etc.hosts.mode = "0644";
 }