Haven't seen it since ( or got a copy. Only wish I had one) but I don't think it's available in any format anywhere.
It's an evocative and atmospheric recreation of a failed French Landing in the port of Killala (North Mayo Ireland) in 1798 in support of (yet another) Irish revolt against English oppression. Probably of limited interest generally (French with English subtitles) but I loved it - OK I'm Irish.
The film follows the route of the French force through North Mayo through the beautiful but rugged 'Windy Gap' and into the town of Castlebar where they routed the English Garrison and set up HQ in what's now the Imperial Hotel.
The role of General Humbert is played with striking conviction.