The light and fast-moving warband types typically got off pretty well just by carrying their snacks, and pillaging the countryside for the rest, AFAIK...
Logistical arrangements are more an issue of *strategic* stamina; that is, how long the army can be kept assembled in the field before it starts getting hungry, of course assuming it can't plain "live off the land" ("a polite euphemism for some very rude activities", as one historian drily noted).