040000 tree 353e0a3fd7def49890bfb6a50166e1e6eaefcff1	fast
040000 tree c25e8361bfcd9341d96a121e66b6da1d9fa9afec	install_script
040000 tree 4650d584b578539d5f84b2cdaee274912f8b4c7a	installation
040000 tree 15cfefaf51408043877a7ad4bb4fcb840600ec98	slow
040000 tree a611013c42f2e780b92d443a8a3e97c5addc45dc	sourcing