Main: Prevent Project Manager-ception in editor

Fixes #34904.

1 files changed, 8 insertions, 1 deletions

diff --git a/main/main.cpp b/main/main.cpp
index c29a5a0aa6..747ea08ec9 100644
--- a/main/main.cpp
+++ b/main/main.cpp
@@ -815,6 +815,13 @@ Error Main::setup(const char *execpath, int argc, char *argv[], bool p_second_ph
 		I = N;
 	}
 
+#ifdef TOOLS_ENABLED
+	if (editor && project_manager) {
+		OS::get_singleton()->print("Error: Command line arguments implied opening both editor and project manager, which is not possible. Aborting.\n");
+		goto error;
+	}
+#endif
+
 	// Network file system needs to be configured before globals, since globals are based on the
 	// 'project.godot' file which will only be available through the network if this is enabled
 	FileAccessNetwork::configure();
@@ -930,7 +937,7 @@ Error Main::setup(const char *execpath, int argc, char *argv[], bool p_second_ph
 		}
 	}
 
-	if (!project_manager) {
+	if (!project_manager && !editor) {
 		// Determine if the project manager should be requested
 		project_manager = main_args.size() == 0 && !found_project;
 	}