unbuffer channels, add SendRaw()

keybase.go

@@ -85,9 +85,9 @@ type KeybaseAPIResponse struct {
 func NewAPI(options *Options) *ChatAPI {
 	return &ChatAPI{
 		opts:    options,
-		inChan:  make(chan []byte, 10),
-		outChan: make(chan []byte, 10),
-		errChan: make(chan error, 10),
+		inChan:  make(chan []byte),
+		outChan: make(chan []byte),
+		errChan: make(chan error),
 	}
 }
 
@@ -109,6 +109,19 @@ func (a *ChatAPI) Start(ctx context.Context) error {
 	return nil
 }
 
+// SendRaw sends raw JSON bytes to the API without helper functions
+func (a *ChatAPI) SendRaw(msg []byte) ([]byte, error) {
+	a.Lock()
+	defer a.Unlock()
+	a.inChan <- msg
+	select {
+	case err := <-a.errChan:
+		return nil, err
+	case resp := <-a.outChan:
+		return resp, nil
+	}
+}
+
 // CmdPipe holds the pipes that connect to the long-running keybase api commands
 type CmdPipe struct {
 	Stderr io.ReadCloser