# USE ALPINE LINUX
FROM alpine:edge
RUN echo "https://s3-us-west-2.amazonaws.com/alpine-ghc/8.0" >> /etc/apk/repositories
ADD https://raw.githubusercontent.com/mitchty/alpine-ghc/master/mitch.tishmack%40gmail.com-55881c97.rsa.pub \
    /etc/apk/keys/mitch.tishmack@gmail.com-55881c97.rsa.pub
RUN apk update
RUN apk add alpine-sdk git ca-certificates ghc cabal stack zlib-dev \
    dpkg fakeroot sed gawk grep
RUN stack update
RUN stack config set system-ghc --global true
RUN mkdir -p /etc/stack
RUN echo "build: { split-objs: true }" > /etc/stack/config.yaml
RUN mkdir -p /usr/src/
WORKDIR /usr/src/
RUN git clone https://github.com/jgm/pandoc
WORKDIR /usr/src/pandoc
RUN stack install --local-bin-path /usr/bin hsb2hs
RUN stack install --stack-yaml stack.pkg.yaml --only-dependencies \
    --flag 'pandoc:embed_data_files' \
    --test --ghc-options '-O2 -optc-Os -optl-static -fPIC' \
    pandoc pandoc-citeproc
CMD git pull && \
    git checkout -b work $TREE && \
    export VERSION=`grep '^Version:' pandoc.cabal | awk '{print $$2;}'` && \
    stack install --stack-yaml stack.pkg.yaml \
      --local-bin-path /artifacts --flag 'pandoc:embed_data_files' \
      --test --ghc-options '-O2 -optc-Os -optl-static -fPIC' \
      pandoc pandoc-citeproc && \
    cd /artifacts && \
    mkdir pandoc-$VERSION && \
    mv pandoc pandoc-citeproc pandoc-$VERSION/ && \
    tar cvzf pandoc-$VERSION.tgz pandoc-$VERSION && \
    rm -r pandoc-$VERSION