040000 tree 15ab9b62079966f62a3ca16bfbd2a9273a860e50	command
040000 tree 076353c6dd89fe8420f47e40673784b6decbceb8	compiler
040000 tree be10dfaf9d12e9d69cd7c9f706004a8f9b5801e1	js_ast
040000 tree 6e8fa2a7b525e06aa67dfd9608044fcf2b7dfa95	kernel