open Logarion
let last search_mine =
	let last a ((t,_) as pair) = match a with None -> Some pair
		| Some (t', _) as pair' -> if Text.newest t t' > 0
			then Some pair else pair' in
	let last_mine a ((t,_) as pair) =
		let name = Person.Set.of_string (Sys.getenv "USER") in
		let open Text in
		match a with
		| None -> if Person.Set.subset name t.authors then Some pair else None
		| Some (t', _) as pair' ->
			if Text.newest t t' > 0 && Person.Set.subset name t'.authors
			then Some pair else pair'
	in
	match File_store.fold (if search_mine then last_mine else last) None with
	| Some (_,f) -> List.iter print_endline f | None -> ()

open Cmdliner
let term =
	let mine = Arg.(value & flag & info ["mine"]
		~doc:"last text authored by me") in
	Term.(const last $ mine),
	Term.info "last" ~doc:"most recent text"
		~man:[ `S "DESCRIPTION"; `P "Print the filename of most recent text" ]