From f06ad77043d0d08c8ddbd365fd9cdbbcdc989a26 Mon Sep 17 00:00:00 2001
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Date: Wed, 15 Oct 2025 17:21:56 +0300
Subject: [PATCH] libcamera: global_configuration: Populate empty configuration
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If no configuration file can be parsed, populate an empty configuration.
This will serve as a base to store the configuration options set through
environment variables.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Barnabás Pőcze <barnabas.pocze@ideasonboard.com>
Reviewed-by: Isaac Scott <isaac.scott@ideasonboard.com>
---
 src/libcamera/global_configuration.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/libcamera/global_configuration.cpp b/src/libcamera/global_configuration.cpp
index a7056261..62b9762d 100644
--- a/src/libcamera/global_configuration.cpp
+++ b/src/libcamera/global_configuration.cpp
@@ -61,6 +61,11 @@ LOG_DEFINE_CATEGORY(Configuration)
 GlobalConfiguration::GlobalConfiguration()
 {
 	load();
+
+	if (configuration_->isEmpty()) {
+		configuration_->add("version", std::make_unique<ValueNode>(1));
+		configuration_->add("configuration", std::make_unique<ValueNode>());
+	}
 }
 
 void GlobalConfiguration::load()