update clipboard code

clipboard/clipboard_darwin.go

@@ -48,5 +48,6 @@ func writeAll(text string) error {
 	if err := in.Close(); err != nil {
 		return err
 	}
+
 	return copyCmd.Wait()
 }

clipboard/clipboard_unix.go

@@ -67,11 +67,13 @@ func readAll() (string, error) {
 	if Unsupported {
 		return "", errMissingCommands
 	}
+
 	pasteCmd := getPasteCommand()
 	out, err := pasteCmd.Output()
 	if err != nil {
 		return "", err
 	}
+
 	return string(out), nil
 }
 
@@ -94,5 +96,6 @@ func writeAll(text string) error {
 	if err := in.Close(); err != nil {
 		return err
 	}
+
 	return copyCmd.Wait()
 }

clipboard/clipboard_windows.go

@@ -38,8 +38,10 @@ var (
 func waitOpenClipboard() error {
 	started := time.Now()
 	limit := started.Add(time.Second)
-	var r uintptr
-	var err error
+	var (
+		r   uintptr
+		err error
+	)
 	for time.Now().Before(limit) {
 		r, _, err = openClipboard.Call(0)
 		if r != 0 {
@@ -47,6 +49,7 @@ func waitOpenClipboard() error {
 		}
 		time.Sleep(time.Millisecond)
 	}
+
 	return err
 }