barRightrepeatDouble = 
{
  \once \override Score.BarLine #'break-visibility = #all-visible     
  \once \override Score.BarLine #'glyph-name = #(lambda(grob) 
  (if (not (= (ly:item-break-dir grob) RIGHT)) ":|" "||"))
}

\new Score
{
  \new Staff
  {
    \bar "|:" g'1 \barRightrepeatDouble \break
    g'1 \bar "||" \break
  }
}