040000 tree 3a6f02681ea04750b639d8632a56fb2d126d7592	linux-x86-base
040000 tree 0709aeb20a69bd0cd1b8d29190e0e98fd9918fea	linux-x86-clang
040000 tree 5c3990ae86ef8f8763ad7ab7acaaee28b44d3d93	linux-x86-gccgo
040000 tree d4fde283aea25a71a0dd150a3a008e3322de79ff	linux-x86-nacl
040000 tree 5b440e3890ccb19f2d765fa8513d26b0cc702b06	linux-x86-sid