[macOS] Fix self-contained mode, by looking for `._sc_` and writing data to the bundle directory instead of executable directory.

1 files changed, 5 insertions, 0 deletions

diff --git a/editor/editor_paths.cpp b/editor/editor_paths.cpp
index a4481cd1eb..d4e40db406 100644
--- a/editor/editor_paths.cpp
+++ b/editor/editor_paths.cpp
@@ -91,6 +91,11 @@ EditorPaths::EditorPaths() {
 
 	// Self-contained mode if a `._sc_` or `_sc_` file is present in executable dir.
 	String exe_path = OS::get_singleton()->get_executable_path().get_base_dir();
+
+	// On macOS, look outside .app bundle, since .app bundle is read-only.
+	if (OS::get_singleton()->has_feature("macos") && exe_path.ends_with("MacOS") && exe_path.plus_file("..").simplify_path().ends_with("Contents")) {
+		exe_path = exe_path.plus_file("../../..").simplify_path();
+	}
 	{
 		DirAccessRef d = DirAccess::create_for_path(exe_path);