040000 tree d812d13edf8b4857a052591b5915eccf15491352	abc
040000 tree 05f84143fd8ff9e9538834b8137a2d3f1c89dc5a	compiler
040000 tree b67ea49752fc658831a4d98396354c7d863b62c2	swc
040000 tree c41a3890003594d0b686cbd8c9ec955f73398acd	swf
040000 tree a7e9c3fd4cab69c13aa2299c29dd51fd9dcb8f78	utils