040000 tree cd80fee5ec79fdedb9fb60441874b4f60b8cbefc	data
040000 tree 4f4dc74d0a256563a37b77fb40ba220cd00676cf	hardware
040000 tree 6584605588ea9253439c57bd7e761c84c6710dc9	java
040000 tree d746e8ca3a844f95179137a60599613676e5b98c	log
040000 tree 2006e7f305e6433f7294d511af7cd37b39e4623f	spark
040000 tree 7d856748d5745b94d5cd007ccb637ba2e97c85b5	util