anchor.diff:    && tlmgr install collection-xetex \
     && tlmgr install contour \
     && tlmgr install csquotes \
  -  && tlmgr install fontawesome \
  +  && tlmgr install fontawesome5 \
     && tlmgr install framed \
     && tlmgr install fvextra \
     && tlmgr install ifplatform \
  
positive.code:   && git clone https://github.com/jpswalsh/academicons.git \
      academicons \
  	&& find academicons/ -name "*.ttf" -exec install -m644 {} /usr/share/fonts/truetype/academicons/ \; || return 1 \
    && git clone https://github.com/FortAwesome/Font-Awesome/ --branch v4.7.0\
    fontawesome\
  	&& find fontawesome/ -name "*.ttf" -exec install -m644 {} /usr/share/fonts/truetype/fontawesome/ \; || return 1 \
    && rm -rf \
      academicons* \
      fontawesome* \
    && texhash \
    && fc-cache -fv
  
negative.code: RUN \
    mkdir -p \
      /usr/share/fonts/truetype/academicons \
    && tlmgr update --self \
    && tlmgr init-usertree \
    && tlmgr install academicons \
    && tlmgr install beamertheme-metropolis \
  