040000 tree 4e51857bfe1662a25a363c98552a8765e3ad46f4	fast
040000 tree c25e8361bfcd9341d96a121e66b6da1d9fa9afec	install_script
040000 tree 4650d584b578539d5f84b2cdaee274912f8b4c7a	installation
040000 tree 56b7f7271e750e1142e5a2c86bda2fa8caab6145	slow
040000 tree a611013c42f2e780b92d443a8a3e97c5addc45dc	sourcing