repeat volta and \barNumberCheck

[Knute Snortum]

Hi.  I'm hoping to get some input from this wonderful group.

It seems that repeat volta and \barNumberCheck don't work well
together when you use the \alternative function.  If you put a
\barNumberCheck inside of a repeat volta, the \braNumberCheck fails
all the time.  I think it's because when you go through the music a
second time, the numbering is off.

This may not be a bug, but it's pretty inconvenient. Here's my MWE:

%%% Start
\version "2.20.0"

rightHand = \relative c' {
  \repeat volta 2 {
    \partial 4 f4
    \barNumberCheck 2
    c4 d e
  }

  \repeat volta 2 {
    f4 |
    \barNumberCheck 3
    c4 d e f |
  }
}

\include "articulate.ly"

\score {
  \articulate {
    \new Staff \rightHand
  }
}
%%%End

---
Knute Snortum
(via Gmail)