58 lines
2 KiB
OCaml
58 lines
2 KiB
OCaml
(*---------------------------------------------------------------------------
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Copyright (c) 2011 The cmdliner programmers. All rights reserved.
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SPDX-License-Identifier: CC0-1.0
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---------------------------------------------------------------------------*)
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(* Implementation, we check the dest argument and print the args *)
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let cp ~verbose ~recurse ~force srcs dest =
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let many = List.length srcs > 1 in
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if many && (not (Sys.file_exists dest) || not (Sys.is_directory dest))
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then `Error (false, dest ^ ": not a directory") else
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`Ok (Printf.printf
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"verbose = %B\nrecurse = %B\nforce = %B\nsrcs = %s\ndest = %s\n"
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verbose recurse force (String.concat ", " srcs) dest)
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(* Command line interface *)
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open Cmdliner
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open Cmdliner.Term.Syntax
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let verbose =
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let doc = "Print file names as they are copied." in
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Arg.(value & flag & info ["v"; "verbose"] ~doc)
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let recurse =
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let doc = "Copy directories recursively." in
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Arg.(value & flag & info ["r"; "R"; "recursive"] ~doc)
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let force =
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let doc = "If a destination file cannot be opened, remove it and try again."in
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Arg.(value & flag & info ["f"; "force"] ~doc)
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let srcs =
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let doc = "Source file(s) to copy." in
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Arg.(non_empty & pos_left ~rev:true 0 file [] & info [] ~docv:"SOURCE" ~doc)
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let dest =
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let doc = "Destination of the copy. Must be a directory if there is more \
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than one $(i,SOURCE)." in
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let docv = "DEST" in
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Arg.(required & pos ~rev:true 0 (some string) None & info [] ~docv ~doc)
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let cp_cmd =
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let doc = "Copy files" in
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let man_xrefs =
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[`Tool "mv"; `Tool "scp"; `Page ("umask", 2); `Page ("symlink", 7)]
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in
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let man = [
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`S Manpage.s_bugs;
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`P "Email them to <bugs@example.org>."; ]
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in
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Cmd.make (Cmd.info "cp" ~version:"v2.0.0+dune" ~doc ~man ~man_xrefs) @@
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Term.ret @@
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let+ verbose and+ recurse and+ force and+ srcs and+ dest in
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cp ~verbose ~recurse ~force srcs dest
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let main () = Cmd.eval cp_cmd
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let () = if !Sys.interactive then () else exit (main ())
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