anchor.diff:  # Docker configuration for a stable, consistent automated repair environment
   #
   FROM fedora:latest
  +#FROM ocaml/opam:fedora-24_ocaml-4.02.3
  +USER root
   MAINTAINER Chris Timperley "christimperley@gmail.com"
  +
   
   # Create user and add to sudoers list
   RUN useradd --password repair repair
   RUN dnf install -y sudo
   RUN gpasswd wheel -a repair
   RUN echo 'repair  ALL=(ALL) NOPASSWD:ALL' >> /etc/sudoers
  +
  +# Perform rest of install
   
   # Install basic package requirements
   RUN dnf install -y gcc \
  
positive.code:   freetype-devel.x86_64 \
    freetype-devel.i686
  
  # Switch to the repair user to install OCaml and OPAM
  USER repair
  WORKDIR /home/repair
  
  RUN sudo dnf install -y ocaml
  RUN if ! [ -f /usr/local/bin/opam ]; then \
      sudo wget https://raw.github.com/ocaml/opam/master/shell/opam_installer.sh \
      -q -O - | sh -s /usr/local/bin && \
      opam config setup -a; \
    fi
  
  # Install OPAM packages
  RUN opam update
  
negative.code: RUN opam install -y core
  
  # Download and configure the ManyBugs and ICSE benchmarks
  #RUN git clone git://github.com/ChrisTimperley/AutomatedRepairBenchmarks.c \
  #  benchmarks --depth 1
  
  # Download and install GenProg 3
  RUN git clone https://bitbucket.org/ChrisTimperley/GP3 genprog --depth 1 && \
  