From 8763003aced6cd965e4f85cdce23ef50a0ee9b75 Mon Sep 17 00:00:00 2001
From: padreug <padreug@aiolabs.dev>
Date: Mon, 22 Dec 2025 10:25:37 +0100
Subject: [PATCH] lnd: fix preStart empty block when using neutrino
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When using neutrino backend with no getPublicAddressCmd, the bash
block was empty causing a syntax error. Use individual appends instead.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
---
 modules/lnd.nix | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/modules/lnd.nix b/modules/lnd.nix
index 87497db..00478d0 100644
--- a/modules/lnd.nix
+++ b/modules/lnd.nix
@@ -256,14 +256,12 @@ in {
       after = optional (cfg.backend == "bitcoind") "bitcoind.service" ++ [ "nix-bitcoin-secrets.target" ];
       preStart = ''
         install -m600 ${configFile} '${cfg.dataDir}/lnd.conf'
-        {
-          ${optionalString (cfg.backend == "bitcoind") ''
-            echo "bitcoind.rpcpass=$(cat ${secretsDir}/bitcoin-rpcpassword-public)"
-          ''}
-          ${optionalString (cfg.getPublicAddressCmd != "") ''
-            echo "externalip=$(${cfg.getPublicAddressCmd})"
-          ''}
-        } >> '${cfg.dataDir}/lnd.conf'
+        ${optionalString (cfg.backend == "bitcoind") ''
+          echo "bitcoind.rpcpass=$(cat ${secretsDir}/bitcoin-rpcpassword-public)" >> '${cfg.dataDir}/lnd.conf'
+        ''}
+        ${optionalString (cfg.getPublicAddressCmd != "") ''
+          echo "externalip=$(${cfg.getPublicAddressCmd})" >> '${cfg.dataDir}/lnd.conf'
+        ''}
 
         if [[ ! -f ${networkDir}/wallet.db ]]; then
           seed='${cfg.dataDir}/lnd-seed-mnemonic'