SOLVABLE_MEDIAFILE
repodata_set_void(data, solvid, SOLVABLE_MEDIAFILE);
repodata_set_str(data, solvid, SOLVABLE_MEDIAFILE, file);
if (solvable_lookup_void(s, SOLVABLE_MEDIAFILE))
mediafile = solvable_lookup_str(s, SOLVABLE_MEDIAFILE);