040000 tree 8d4724809bfbab08699bfdc0a702d7671dc333af	command
040000 tree 4c2ab1d9165b15827b56825e86f203943c84a2d3	compiler
040000 tree 6cddcd7072fa4736b619f5b2a5f0784907496e68	js_ast
040000 tree cd983d53bca6b41c296081944df16fe697434239	kernel