[ -b, --base <uri> ] - URI from which to make paths in the index file
relative (default: relative to the output file
directory). The specified value must be a prefix
of the absolute output file directory in order
to have any effect
[ -d, --directory <file> ] - The directory to write the repository index file
(default: the current directory)
[ -n, --name <string> ] - The name of the index (default: name of the
output file directory)
[ -r, --repositoryIndex <file> ] - The name of the repository index file
(default: 'index.xml'). To enable GZIP
compression use the file extension '.gz' (e.g.
'index.xml.gz')
