FROM archlinux:latest

RUN  pacman -Syu --noconfirm
RUN  pacman -S --needed --noconfirm pacman-contrib base-devel git wget

RUN  useradd -u 901 temp-user
RUN  mkdir /tmp/crystal-keyring
RUN  chown temp-user /tmp/crystal-keyring

USER temp-user
RUN  git clone https://github.com/crystal-linux/crystal-keyring.git /tmp/crystal-keyring
RUN  pushd /tmp/crystal-keyring && makepkg --noconfirm -sp /tmp/crystal-keyring/PKGBUILD && popd

USER root
RUN  pacman --noconfirm -U /tmp/crystal-keyring/*.zst
RUN  rm -rfv /tmp/crystal-keyring

RUN  pacman-key --init
RUN  pacman-key --populate crystal

RUN  mv /etc/pacman.conf /etc/pacman.conf.old
RUN  wget https://repo.getcryst.al/pacman.conf
RUN  mv pacman.conf /etc/pacman.conf
RUN  sed -i 's/^CheckSpace/#CheckSpace/g' /etc/pacman.conf

RUN  mv /etc/os-release /etc/os-release.old

RUN  pacman -Syu --noconfirm
RUN  rm /usr/bin/apt /usr/bin/apt-get /usr/bin/dnf /usr/bin/eopkg /usr/bin/yum /usr/bin/zypper