From 9f43d64f499c400939ed9562dfae1f78c6f7bffc Mon Sep 17 00:00:00 2001
From: Trolli Schmittlauch <t.schmittlauch@orlives.de>
Date: Wed, 30 Jul 2025 21:45:17 +0200
Subject: [PATCH] home/modules/captive-browser: linux DHCP command, default
 option priority

let's just hardcode dhcpcd under Linux.

untested.
---
 home/modules/captive-browser.nix | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/home/modules/captive-browser.nix b/home/modules/captive-browser.nix
index b07be4c..f3c8453 100644
--- a/home/modules/captive-browser.nix
+++ b/home/modules/captive-browser.nix
@@ -56,11 +56,15 @@ in
   config = lib.mkIf cfg.enable {
     home.packages = [ cfg.package ];
 
-    programs.captive-browser.settings = {
+    programs.captive-browser.settings = builtins.mapAttrs (_: lib.mkOptionDefault) {
       # dhcp-dns is the shell (/bin/sh) command executed to obtain the DHCP
       # DNS server address. The first match of an IPv4 regex is used.
       # IPv4 only, because let's be real, it's a captive portal.
-      dhcp-dns = "ipconfig getoption ${cfg.interface} domain_name_server";
+      dhcp-dns =
+        if isDarwin then
+          "ipconfig getoption ${cfg.interface} domain_name_server"
+        else
+          "${lib.getExe pkgs.dhcpcd} -U ${cfg.interface} | grep domain_name_servers";
 
       # socks5-addr is the listen address for the SOCKS5 proxy server.
       socks5-addr = "localhost:1666";