From c904dfa87c08916f838480241f874c59d44a2eb8 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Tue, 8 Sep 2015 15:57:04 +0200
Subject: [PATCH] nixos-container: Fix show-host-key

We don't generate ecdsa keys by default anymore, so print ed25519
instead if available.
---
 nixos/modules/virtualisation/nixos-container.pl | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/nixos/modules/virtualisation/nixos-container.pl b/nixos/modules/virtualisation/nixos-container.pl
index f1d9e64ee38f..004385f728c6 100644
--- a/nixos/modules/virtualisation/nixos-container.pl
+++ b/nixos/modules/virtualisation/nixos-container.pl
@@ -290,7 +290,8 @@ elsif ($action eq "show-ip") {
 }
 
 elsif ($action eq "show-host-key") {
-    my $fn = "$root/etc/ssh/ssh_host_ecdsa_key.pub";
+    my $fn = "$root/etc/ssh/ssh_host_ed25519_key.pub";
+    $fn = "$root/etc/ssh/ssh_host_ecdsa_key.pub" unless -e $fn;
     exit 1 if ! -f $fn;
     print read_file($fn);
 }