rc: add options/local to see the options configured in the context

fs/rc/config.go

@@ -8,6 +8,8 @@ import (
 	"context"
 
 	"github.com/pkg/errors"
+	"github.com/rclone/rclone/fs"
+	"github.com/rclone/rclone/fs/filter"
 )
 
 var (
@@ -52,10 +54,14 @@ func init() {
 	Add(Call{
 		Path:  "options/get",
 		Fn:    rcOptionsGet,
-		Title: "Get all the options",
+		Title: "Get all the global options",
 		Help: `Returns an object where keys are option block names and values are an
 object with the current option values in.
 
+Note that these are the global options which are unaffected by use of
+the _config and _filter parameters. If you wish to read the parameters
+set in _config then use options/config and for _filter use options/filter.
+
 This shows the internal names of the option within rclone which should
 map to the external options very easily with a few exceptions.
 `,
@@ -71,6 +77,36 @@ func rcOptionsGet(ctx context.Context, in Params) (out Params, err error) {
 	return out, nil
 }
 
+func init() {
+	Add(Call{
+		Path:  "options/local",
+		Fn:    rcOptionsLocal,
+		Title: "Get the currently active config for this call",
+		Help: `Returns an object with the keys "config" and "filter".
+The "config" key contains the local config and the "filter" key contains
+the local filters.
+
+Note that these are the local options specific to this rc call. If
+_config was not supplied then they will be the global options.
+Likewise with "_filter".
+
+This call is mostly useful for seeing if _config and _filter passing
+is working.
+
+This shows the internal names of the option within rclone which should
+map to the external options very easily with a few exceptions.
+`,
+	})
+}
+
+// Show the current config
+func rcOptionsLocal(ctx context.Context, in Params) (out Params, err error) {
+	out = make(Params)
+	out["config"] = fs.GetConfig(ctx)
+	out["filter"] = filter.GetConfig(ctx)
+	return out, nil
+}
+
 func init() {
 	Add(Call{
 		Path:  "options/set",