is there a way for users to an arrangement with a custom command (wrapped by meson to capture output, to feed input) [191/229] Compiling C++ object waybar.p/src_modules_cpu_frequency_linux.cpp.o [104/229] Compiling C++ object waybar.p/src_modules_user.cpp.o [92/229] Compiling C++ object waybar.p/src_ALabel.cpp.o [74/229] Compiling C++ object waybar.p/src_ASlider.cpp.o [81/229] Compiling C++ object waybar.p/src_config.cpp.o [94/229] Compiling C++ object test/utils/utils_test.p/JsonParser.cpp.o [71/229] Compiling C++ object waybar.p/src_util_ustring_clen.cpp.o [82/229] Compiling C++ object waybar.p/src_AModule.cpp.o [72/229] Compiling C++ object test/waybar_test.p/main.cpp.o [66/229] Compiling C++ object waybar.p/src_util_pipewire_privacy_node_info.cpp.o [135/229] Compiling C++ object waybar.p/src_modules_mpd_state.cpp.o [192/229] Generating