From 3a5d5d27f4d41c9911b06066bfbbca0893a9cbfd Mon Sep 17 00:00:00 2001
From: ErrorNoInternet <errornointernet@envs.net>
Date: Mon, 4 May 2026 01:05:32 -0400
Subject: [PATCH] nixos/networking: fix extraHosts generation

---
 nixos/common.nix | 23 ++++++++---------------
 1 file changed, 8 insertions(+), 15 deletions(-)

diff --git a/nixos/common.nix b/nixos/common.nix
index 5291f89..970fc51 100644
--- a/nixos/common.nix
+++ b/nixos/common.nix
@@ -99,22 +99,15 @@ in
 
     extraHosts =
       let
-        subdomains = [
-          ""
-          ".git"
-        ];
+        subdomains = [ "git" ];
+
+        inherit (config.networking) fqdn;
+        hosts = [ fqdn ] ++ map (sub: "${sub}.${fqdn}") subdomains;
       in
-      builtins.foldl' (
-        hosts-acc: domain-prefix:
-        let
-          host = "${domain-prefix}${config.networking.fqdn}";
-        in
-        hosts-acc
-        + ''
-          127.0.0.1 ${host}
-          ::1 ${host}
-        ''
-      ) "" subdomains;
+      lib.concatMapStrings (host: ''
+        127.0.0.1 ${host}
+        ::1 ${host}
+      '') hosts;
   };
 
   virtualisation.podman.enable = true;