From 3d231072425e8762c2c2ac3773e3845d3eebbaf6 Mon Sep 17 00:00:00 2001
From: Patrick Gehrsitz <mryel00.github@gmail.com>
Date: Tue, 2 Apr 2024 21:37:50 +0200
Subject: [PATCH] fix: fix crash of detect_libcamera without CSI cam (#256)

Signed-off-by: Patrick Gehrsitz <mryel00.github@gmail.com>
---
 libs/hwhandler.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libs/hwhandler.sh b/libs/hwhandler.sh
index 515b2b6b..32ad9448 100755
--- a/libs/hwhandler.sh
+++ b/libs/hwhandler.sh
@@ -62,7 +62,7 @@ detect_libcamera() {
     local avail
     if [[ "$(is_raspberry_pi)" = "1" ]] &&
     [[ -x "$(command -v libcamera-hello)" ]]; then
-        avail="$(libcamera-hello --list-cameras | grep -c "Available")"
+        avail="$(libcamera-hello --list-cameras | grep -c "Available" || echo "0")"
         if [[ "${avail}" = "1" ]]; then
             get_libcamera_path | wc -l
         else