Move Hidden option here

cli/parse.go

@@ -69,7 +69,7 @@ func Parse(ctx context.Context, input []string, stdin *os.File, root *cmds.Comma
 }
 
 func isHidden(req *cmds.Request) bool {
-	h, ok := req.Options["hidden"].(bool)
+	h, ok := req.Options[cmds.Hidden].(bool)
 	return h && ok
 }
 

opts.go

@@ -16,6 +16,8 @@ const (
 	OptLongHelp  = "help"
 	DerefLong    = "dereference-args"
 	StdinName    = "stdin-name"
+	Hidden       = "hidden"
+	HiddenShort  = "H"
 )
 
 // options that are used by this package
@@ -25,3 +27,4 @@ var OptionStreamChannels = cmdkit.BoolOption(ChanOpt, "Stream channel output")
 var OptionTimeout = cmdkit.StringOption(TimeoutOpt, "Set a global timeout on the command")
 var OptionDerefArgs = cmdkit.BoolOption(DerefLong, "Symlinks supplied in arguments are dereferenced")
 var OptionStdinName = cmdkit.StringOption(StdinName, "Assign a name if the file source is stdin.")
+var OptionHidden = cmdkit.BoolOption(Hidden, HiddenShort, "Include files that are hidden. Only takes effect on recursive add.")