anchor.diff:  
   ENV     LOCALE en_GB.UTF-8
   
  -RUN     apt-get -y install locales \
  +RUN     apt-get install -y locales \
           && echo ${LOCALE} UTF-8 >> /etc/locale.gen \
           && locale-gen ${LOCALE} \
           && /usr/sbin/update-locale LANG=${LOCALE}
  
positive.code:         && git config --system push.default simple \
          && echo "dst:science" | chpasswd
  
  RUN     apt-get -y install --no-install-recommends \
          wget \
          ca-certificates
  
  
negative.code:         libcurl4-gnutls-dev \
          libxml2-dev
  
  RUN	sudo apt-get install -y --no-install-recommends \
  	pandoc \
  	texlive \
  	texlive-xetex \
  	pandoc-citeproc \
  	texlive-latex-extra
  
  RUN     mkdir -p /etc/R/ \
          && echo "options(repos = list(CRAN = 'https://cran.rstudio.com/'), \
          download.file.method = 'libcurl')" \
          > /etc/R/Rprofile.site
  
  RUN     apt-get install -y --no-install-recommends \
          curl \
          git \
          git-doc \
  