From 53f93de02f412005e33fadc50dccde1a6400abe8 Mon Sep 17 00:00:00 2001
From: tv <tv@shackspace.de>
Date: Sun, 27 Sep 2015 15:19:59 +0200
Subject: krebs: no extraHosts for hosts w/o aliases

---
 krebs/3modules/default.nix | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/krebs/3modules/default.nix b/krebs/3modules/default.nix
index 5fb129747..78834d8d5 100644
--- a/krebs/3modules/default.nix
+++ b/krebs/3modules/default.nix
@@ -84,13 +84,16 @@ let
         mapAttrsToList (hostname: host:
           mapAttrsToList (netname: net:
             let
-              aliases = toString (unique (longs ++ shorts));
+              aliases = longs ++ shorts;
               providers = dns.split-by-provider net.aliases cfg.dns.providers;
               longs = providers.hosts;
-              shorts = map (removeSuffix ".${cfg.search-domain}") longs;
+              shorts =
+                map (removeSuffix ".${cfg.search-domain}")
+                    (filter (hasSuffix ".${cfg.search-domain}")
+                            longs);
             in
-              map (addr: "${addr} ${aliases}") net.addrs
-          ) host.nets
+              map (addr: "${addr} ${toString aliases}") net.addrs
+          ) (filterAttrs (name: host: host.aliases != []) host.nets)
         ) cfg.hosts
       ));
 
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