From 95fbb2ecb2db566033104c9f4c4631839c3b16f4 Mon Sep 17 00:00:00 2001
From: clayjohn <claynjohn@gmail.com>
Date: Tue, 7 Nov 2023 10:46:56 +0100
Subject: [PATCH] Scan the filesystem in the first frame when using headless
 mode

---
 editor/editor_node.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/editor/editor_node.cpp b/editor/editor_node.cpp
index 6fe23720fbe..c8ba1cfe5e7 100644
--- a/editor/editor_node.cpp
+++ b/editor/editor_node.cpp
@@ -4633,6 +4633,14 @@ void EditorNode::_editor_file_dialog_unregister(EditorFileDialog *p_dialog) {
 Vector<EditorNodeInitCallback> EditorNode::_init_callbacks;
 
 void EditorNode::_begin_first_scan() {
+	// In headless mode, scan right away.
+	// This allows users to continue using `godot --headless --editor --quit` to prepare a project.
+	if (!DisplayServer::get_singleton()->window_can_draw()) {
+		OS::get_singleton()->benchmark_begin_measure("editor_scan_and_import");
+		EditorFileSystem::get_singleton()->scan();
+		return;
+	}
+
 	if (!waiting_for_first_scan) {
 		return;
 	}