From 946b84daedaef05c0dfb7e2967c33109075f10a3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg=20Thalheim?= <joerg@thalheim.io>
Date: Sun, 26 Nov 2023 14:19:24 +0100
Subject: [PATCH] fix crash if DIRENV_WATCHES is not set

This shouldn't happen in our current usage but better safe than sorry.
---
 direnvrc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/direnvrc b/direnvrc
index 60dafc1..65e8f59 100644
--- a/direnvrc
+++ b/direnvrc
@@ -204,6 +204,9 @@ nix_direnv_watch_file() {
 
 _nix_direnv_watches() {
   local -n _watches=$1
+  if [[ -z "${DIRENV_WATCHES-}" ]]; then
+    return
+  fi
   while IFS= read -r line; do
     local regex='"path": "(.+)"$'
     if [[ "$line" =~ $regex ]]; then