anchor.diff:  RUN echo 'options(repos = c(CRAN="http://www.vps.fmvz.usp.br/CRAN/"))' >> /usr/lib64/R/library/base/R/Rprofile
   
   # RStudio
  -RUN wget https://download2.rstudio.org/rstudio-server-rhel-0.99.879-x86_64.rpm \
  -	&& echo "7a641c79a49bf60ea70a2c3244bdf074  rstudio-server-rhel-0.99.879-x86_64.rpm" > RSTUDIOMD5 \
  +RUN wget https://download2.rstudio.org/rstudio-server-rhel-0.99.893-x86_64.rpm \
  +	&& echo "4f3b104e7fd84073c351b008da68272a  rstudio-server-rhel-0.99.893-x86_64.rpm" > RSTUDIOMD5 \
   	&& RESULT=$(md5sum -c RSTUDIOMD5) \
   	&& echo ${RESULT} > ~/check-rstudio-md5.txt \
  -	&& yum -y install --nogpgcheck rstudio-server-rhel-0.99.879-x86_64.rpm \
  -	&& rm -f rstudio-server-rhel-0.99.879-x86_64.rpm && rm -f RSTUDIOMD5
  +	&& yum -y install --nogpgcheck rstudio-server-rhel-0.99.893-x86_64.rpm \
  +	&& rm -f rstudio-server-rhel-0.99.893-x86_64.rpm && rm -f RSTUDIOMD5
   
   # Libreoffice
   RUN wget http://ftp.utexas.edu/libreoffice/libreoffice/stable/5.1.1/rpm/x86_64/LibreOffice_5.1.1_Linux_x86-64_rpm.tar.gz \
  
positive.code: 
  # Shiny
  RUN R -e 'install.packages("shiny")' \
  	&& wget https://download3.rstudio.org/centos5.9/x86_64/shiny-server-1.4.1.759-rh5-x86_64.rpm \
  	&& echo "f229d1eda060e7317245512a2013602a  shiny-server-1.4.1.759-rh5-x86_64.rpm" > SHINYSERVERMD5 \
  	&& RESULT=$(md5sum -c SHINYSERVERMD5) \
  	&& echo ${RESULT} > ~/check-shiny-server-md5.txt \
  	&& yum -y install --nogpgcheck shiny-server-1.4.1.759-rh5-x86_64.rpm \
  	&& cd && rm -f SHINYSERVERMD5 && rm -f shiny-server-1.4.1.759-rh5-x86_64.rpm
  
  # Julia
  RUN wget https://github.com/JuliaLang/julia/archive/v0.4.5.tar.gz \
  
negative.code: 
  # llvm needs CMake 2.8.12.2 or higher
  # https://cmake.org/download/
  RUN wget https://cmake.org/files/v3.5/cmake-3.5.1.tar.gz \
  	&& tar xf cmake-3.5.1.tar.gz && cd cmake-3.5.1 \
  	&& ./bootstrap && make -j"$(nproc --all)" && make -j"$(nproc --all)" install \
  	&& cd .. && rm -rf cmake-3.5.1 && rm -f cmake-3.5.1.tar.gz \
  	&& echo "export CMAKE_ROOT=/usr/local/share/cmake-3.5" > /etc/profile.d/cmake-root.sh \
  	&& source /etc/profile
  
  