ARG BASE_IMAGE=ubuntu:17.04
# Multi-stage building requires Docker 17.05 or later
FROM ${BASE_IMAGE} as gnutls-builder

ENV DEBIAN_FRONTEND noninteractive
RUN apt-get update && apt-get install -y -o=Dpkg::Use-Pty=0 \
 autoconf \
 autogen \
 automake \
 autopoint \
 bison \
 dns-root-data \
 gawk \
 gettext \
 git-core \
 gperf \
 gtk-doc-tools \
 guile-2.0-dev \
 help2man \
 libidn2-0-dev \
 libp11-kit-dev \
 libtasn1-6-dev \
 libtool \
 libtspi-dev \
 libunbound-dev \
 libunistring-dev \
 nettle-dev \
 texinfo \
 texlive \
 texlive-extra-utils \
 texlive-generic-recommended

ARG GNUTLS_REPOSITORY="https://gitlab.com/gnutls/gnutls.git"
ARG GNUTLS_BRANCH="master"
# override to "check" here to run the GnuTLS tests
ARG GNUTLS_EXTRA_TARGETS=""

RUN git clone --depth 1 --branch ${GNUTLS_BRANCH} ${GNUTLS_REPOSITORY} /tmp/gnutls

WORKDIR /tmp/gnutls
RUN git submodule update --init
RUN make bootstrap autoreconf

RUN mkdir -p /tmp/gnutls/build
WORKDIR /tmp/gnutls/build
RUN ../configure --prefix=/usr --disable-doc --disable-guile --disable-cxx --disable-full-test-suite
RUN make -j8 ${GNUTLS_EXTRA_TARGETS}

FROM gnutls-builder as emacs-builder

ENV DEBIAN_FRONTEND noninteractive
# Install dependencies
RUN apt-get update && apt-get install --no-install-recommends -y -o=Dpkg::Use-Pty=0 \
 curl \
 git

RUN apt-get build-dep -y emacs24

# Now install GnuTLS
COPY --from=gnutls-builder /tmp/gnutls /tmp/gnutls
WORKDIR /tmp/gnutls/build
RUN make install

# Build emacs
ARG EMACS_REPOSITORY="git://git.sv.gnu.org/emacs.git"
ARG EMACS_BRANCH="master"

RUN git clone --depth 1 --branch ${EMACS_BRANCH} ${EMACS_REPOSITORY} /tmp/emacs
WORKDIR /tmp/emacs
RUN ./autogen.sh
RUN ./configure
RUN make -j 8

FROM emacs-builder as emacs-tester

WORKDIR /tmp/emacs/test
RUN make

# Final image
FROM emacs-builder as emacs-final

WORKDIR /tmp/emacs
RUN make -j 8 install
RUN rm -rf /tmp/emacs /tmp/gnutls

WORKDIR /rootfs
ENTRYPOINT ["emacs"]