Introduce 'peers' subcommand, refactor in pull

git-svn-id: file:///srv/svn/repo/kosuzu/trunk@31 eb64cd80-c68d-6f47-b6a3-0ada418499da

cli/peers.ml

@@ -0,0 +1,37 @@
+let print_peers_of_peer p =
+	let open Logarion.Header_pack in
+	match Msgpck.to_list p.peers with [] -> ()
+	| ps -> print_endline @@
+		List.fold_left (fun a x -> Printf.sprintf "%s %s" a (Msgpck.to_string x)) "peers: " ps
+
+type filter_t = { authors: Logarion.Person.Set.t; topics: Logarion.String_set.t }
+
+let print_peer () peer =
+	let open Logarion.Peers in
+	Printf.printf "%s" peer.path;
+	List.iter (Printf.printf "\t%s\n") peer.locations
+
+let remove_repo id =
+	let repopath = Filename.concat Logarion.Peers.text_dir id in
+	match Sys.is_directory repopath with
+	| false -> Printf.eprintf "No repository %s in %s" id Logarion.Peers.text_dir
+	| true ->
+		let cmd = Printf.sprintf "rm -r %s" repopath in
+		Printf.printf "Run: %s ? (y/N) %!" cmd;
+		match input_char stdin with
+		|'y'-> if Sys.command cmd = 0 then print_endline "Removed" else prerr_endline "Failed"
+		| _ -> ()
+
+let peers = function
+	| Some id -> remove_repo id
+	| None ->
+		Printf.printf "Peers in %s\n" Logarion.Peers.text_dir;
+		Logarion.Peers.fold print_peer ()
+
+open Cmdliner
+let term =
+	let remove = Arg.(value & opt (some string) None & info ["remove"]
+		~docv:"repository ID" ~doc:"remove repository texts & from future pulling") in
+	Term.(const peers $ remove),
+		Term.info "peers" ~doc:"list current peers" ~man:[ `S "DESCRIPTION";
+			`P "Lists current peers and associated information"]