Dose_common.InputSourceInput routines
val parse_uri :
string ->
Url.filetypes
* (string option * string option * string option * string option * string)
* string optionparse a uri. i.e. : deb://path/to/file rpm://path/to/file cudf://path/to/file
guess the input format from a list of list of uris and check * if the list is omogenueous w.r.t the guessed format. Fails otherwise