anchor.diff:    wget $WGET_OPTS -O libogg.tar.gz "$OGG_URL" && \
     echo "$OGG_SHA256  libogg.tar.gz" | sha256sum --status -c - && \
     mkdir ogg && \
  -  tar xf libogg.tar.gz -C ogg --strip-components=1
  +  tar xf libogg.tar.gz -C ogg --strip-components=1 && \
  +  rm libogg.tar.gz
   
   # has to be before theora and vorbis
   FROM builder AS ogg
  
positive.code:   wget $WGET_OPTS -O libass.tar.gz "$LIBASS_URL" && \
    echo "$LIBASS_SHA256  libass.tar.gz" | sha256sum --status -c - && \
    mkdir libass && \
    tar xf libass.tar.gz -C libass --strip-components=1
  
  FROM builder AS libass
  COPY --from=libass_download /tmp/libass/ /tmp/libass/
  
negative.code:   wget $WGET_OPTS -O rubberband.tar.bz2 "$RUBBERBAND_URL" && \
    echo "$RUBBERBAND_SHA256  rubberband.tar.bz2" | sha256sum --status -c - && \
    mkdir rubberband && \
    tar xf rubberband.tar.bz2 -C rubberband --strip-components=1 && \
    rm rubberband.tar.bz2
  
  FROM builder AS rubberband
  COPY --from=rubberband_download /tmp/rubberband/ /tmp/rubberband/
  