100755 blob 82124e027ad08de1d603c0dd11e63e469ba56859	install from binary
100755 blob fdb5c0ed05b18059f2bb8f2e3b05eb0fcd857d04	install from source
100755 blob 08c7085d31f83263fec47d26890443d405bace67	install two versions and use the latest one
100755 blob 50dc4e42b606ef3d9c566f67f7c823bfb27f4947	setup_dir
100755 blob 3f107c91fef7b663198b8ecdf37316b1525f47b8	teardown_dir