From 95396f5237c54760934a14f6ed8fcd4be9ebff0a Mon Sep 17 00:00:00 2001
From: lassulus <git@lassul.us>
Date: Fri, 28 Jul 2023 18:17:10 +0200
Subject: [PATCH] installer: error out on qrcode creation

---
 modules/installer.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/modules/installer.nix b/modules/installer.nix
index cc94f27..05eebe1 100644
--- a/modules/installer.nix
+++ b/modules/installer.nix
@@ -20,6 +20,7 @@
   hidden-ssh-announce = {
     enable = true;
     script = pkgs.writers.writeDash "write-hostname" ''
+      set -efu
       mkdir -p /var/shared
       echo "$1" > /var/shared/onion-hostname
       ${pkgs.jq}/bin/jq -nc \