From e3702c078896999b5d763452d3738baca569234b Mon Sep 17 00:00:00 2001
From: ajs124 <git@ajs124.de>
Date: Tue, 11 Apr 2023 20:13:44 +0200
Subject: [PATCH] nixos/dhcpd: warn of pending removal

---
 nixos/modules/services/networking/dhcpd.nix | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/nixos/modules/services/networking/dhcpd.nix b/nixos/modules/services/networking/dhcpd.nix
index 0bd5e4ef5535..a981a255c3ee 100644
--- a/nixos/modules/services/networking/dhcpd.nix
+++ b/nixos/modules/services/networking/dhcpd.nix
@@ -218,6 +218,13 @@ in
 
     systemd.services = dhcpdService "4" cfg4 // dhcpdService "6" cfg6;
 
+    warnings = [
+      ''
+        The dhcpd4 and dhcpd6 modules will be removed from NixOS 23.11, because ISC DHCP reached its end of life.
+        See https://www.isc.org/blogs/isc-dhcp-eol/ for details.
+        Please switch to a different implementation like kea, systemd-networkd or dnsmasq.
+      ''
+    ];
   };
 
 }