FROM centos:latest

# reasonably up-to-date versions provided (zsh is at /usr/bin/zsh)
# "Development Tools, perl-devel, curl-devel and zlib-devel" for installing
# git from source because CentOS 7 still uses git 1.8.x
# glibc-devel.i386 for multilib support in compiled gcc
RUN yum update -y && yum groupinstall -y "Development Tools" \
  && yum install -y \
  curl-devel \
  glibc-devel.i386 \
  libstdc++-devel.i386 \
  perl-devel \
  sudo \
  tmux \
  vim \
  wget \
  zlib-devel \
  zsh

WORKDIR /root

RUN curl -L https://github.com/git/git/archive/v2.10.0.tar.gz | tar xz \
  && cd git-* \
  && make configure \
  && ./configure --prefix=/usr/local \
  && make install \
  && cd .. \
  && rm -rf git-*

# now install latest gcc
COPY fortran_plugin_gcc_6.2.0.patch /root
RUN curl -L http://mirrors.ibiblio.org/gnu/ftp/gnu/gcc/gcc-6.2.0/gcc-6.2.0.tar.bz2 | tar xj \
  && patch -p0 < fortran_plugin_gcc_6.2.0.patch \
  && mkdir build \
  && cd gcc-6.2.0 \
  && ./contrib/download_prerequisites \
  && cd ../build \
  && ../gcc-6.2.0/configure --prefix=/usr/local \
                            --enable-languages=c,c++,fortran \
                            --enable-checking --disable-multilib \
  && make -j4 \
  && make install \
  && cd ../ \
  && rm -rf build \
  && rm -rf gcc-6.2.0

# and gmp as well for compiling plugins
RUN curl -L ftp://gcc.gnu.org/pub/gcc/infrastructure/gmp-4.3.2.tar.bz2 | tar xj \
  && cd gmp-4.3.2 \
  && ./configure --prefix=/usr/local \
  && make -j4 \
  && make install \
  && cd ../ \
  && rm -rf gmp-4.3.2 \
  && rm -f gmp-4.3.2.tar.bz2

# setup user and add confugs
# assumes 'configs' directory is present Dockerfile directory at build time
ARG user=graham
RUN useradd $user -s /usr/bin/zsh
COPY configs /home/$user/.mgl_configs
RUN chown -R $user:$user /home/$user/.mgl_configs

# to be able to su inside the container when necessary
# remember to change using 'passwd'
RUN echo "root:Changeme" | chpasswd

# now that rootly stuff is done, run commands as user
USER $user
RUN /home/$user/.mgl_configs/utils/setup_links.sh

# setup container execution
WORKDIR /home/$user
ENTRYPOINT ["/usr/bin/zsh"]