FROM archlinux:latest

ARG uid=1000
ARG gid=33

RUN CHECK_GROUP=$(cat /etc/group|awk -F: '{print $3}'|egrep "^${gid}$"|wc -l) \
    && if [ $CHECK_GROUP -eq 0 ]; then groupadd -g ${gid} build; fi \
    && useradd -u ${uid} -g ${gid} -m -d /build build \
    && pacman -Sy --noconfirm \
        base-devel \
        glibc \
        git \
        sudo \
        python-commonmark \
        pyalpm \
    && chmod 600 /etc/sudoers \
    && sed -i"" '/root ALL.*/a build ALL=(ALL) NOPASSWD:ALL' /etc/sudoers \
 && chmod 440 /etc/sudoers

USER build
WORKDIR /build

RUN git clone https://aur.archlinux.org/pikaur.git \
 && cd pikaur \
 && makepkg -fsri --noconfirm

ENTRYPOINT ["/usr/bin/pikaur"]
CMD []