+ [Shell.cmd "cp" [src; dst]]
+
+let file_scheme_RE = Pcre.regexp "^file://"
+let wget ?output url =
+ let use_wget () =
+ let flags =
+ (match output with Some file -> ["-O"; file] | None -> []) @ [url]
+ in
+ debug_print ("wget " ^ String.concat " " flags);
+ Shell.call
+ ~stdout:Shell.to_dev_null ~stderr:Shell.to_dev_null
+ [Shell.cmd "wget" flags]
+ in
+ if Pcre.pmatch ~rex:file_scheme_RE url then begin (* file:// URL *)
+ let src_fname = Pcre.replace ~rex:file_scheme_RE url in
+ match output with
+ | Some dst_fname -> cp src_fname dst_fname
+ | None ->
+ let dst_fname = Filename.basename src_fname in
+ if src_fname <> dst_fname then
+ cp src_fname dst_fname
+ else (* src and dst are the same: do nothing *)
+ ()
+ end else (* other URL, pass it to wget *)
+ use_wget ()