Try again with macOS icon.

CMakeLists.txt

@@ -110,12 +110,6 @@ if(${CMAKE_SYSTEM_NAME} MATCHES Darwin)
     set_target_properties(chat PROPERTIES
         OUTPUT_NAME gpt4all
     )
-    set(MACOSX_ICON_FILE "${CMAKE_CURRENT_SOURCE_DIR}/icons/favicon.icns")
-    set(MACOSX_ICON_FILE_DEST "${CMAKE_BINARY_DIR}/chat.app/Contents/Resources/favicon.icns")
-    add_custom_command(TARGET chat POST_BUILD
-        COMMAND ${CMAKE_COMMAND} -E copy_if_different ${MACOSX_ICON_FILE} ${MACOSX_ICON_FILE_DEST}
-        COMMENT "Copying icon file to bundle"
-    )
 endif()
 
 target_compile_definitions(chat

cmake/deploy-qt-mac.cmake.in

@@ -4,6 +4,8 @@ set(CMAKE_CURRENT_SOURCE_DIR "@CMAKE_CURRENT_SOURCE_DIR@")
 execute_process(COMMAND ${MACDEPLOYQT} ${CPACK_TEMPORARY_INSTALL_DIRECTORY}/packages/${COMPONENT_NAME_MAIN}/data/bin/gpt4all.app -qmldir=${CMAKE_CURRENT_SOURCE_DIR} -verbose=2)
 file(COPY ${CPACK_TEMPORARY_INSTALL_DIRECTORY}/packages/${COMPONENT_NAME_MAIN}/data/lib/libllama.dylib
      DESTINATION ${CPACK_TEMPORARY_INSTALL_DIRECTORY}/packages/${COMPONENT_NAME_MAIN}/data/bin/gpt4all.app/Contents/Frameworks)
+file(COPY "${CMAKE_CURRENT_SOURCE_DIR}/icons/favicon.icns"
+     DESTINATION ${CPACK_TEMPORARY_INSTALL_DIRECTORY}/packages/${COMPONENT_NAME_MAIN}/data/bin/gpt4all.app/Contents/Resources)
 file(COPY "${CMAKE_CURRENT_SOURCE_DIR}/icons/logo-16.png"
      DESTINATION ${CPACK_TEMPORARY_INSTALL_DIRECTORY}/packages/${COMPONENT_NAME_MAIN}/data)
 file(COPY "${CMAKE_CURRENT_SOURCE_DIR}/icons/logo-32.png"