From f62101f754c36a74eb3235824808d61f0e8a022a Mon Sep 17 00:00:00 2001
From: "every.channel" <founder@every.channel>
Date: Tue, 17 Feb 2026 23:53:43 -0800
Subject: [PATCH] nixos: fix hdhr autodiscovery when host unset

---
 nix/modules/ec-node.nix | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/nix/modules/ec-node.nix b/nix/modules/ec-node.nix
index 033a093..e519e82 100644
--- a/nix/modules/ec-node.nix
+++ b/nix/modules/ec-node.nix
@@ -200,9 +200,11 @@ in
                       exit 2
                     fi
 
-                    base="${lib.escapeShellArg fixedHost}"
+                    # Note: don't wrap lib.escapeShellArg in double-quotes, otherwise empty strings
+                    # become a literal two-quote token and break discovery.
+                    base=${lib.escapeShellArg fixedHost}
                     if [[ -z "$base" ]]; then
-                      dev_id="${lib.escapeShellArg deviceId}"
+                      dev_id=${lib.escapeShellArg deviceId}
                       if [[ -z "$dev_id" ]]; then
                         echo "ec-node: missing hdhomerun.host and hdhomerun.deviceId" >&2
                         exit 2