# Please note that this file is not regularly tested, and you are welcome to create PRs with fixes as needed.
ARG GITOXIDE_VERSION=0.36.0

FROM rust:alpine AS bootstrap_os
  # hadolint ignore=DL3018
  RUN apk upgrade --update-cache --available \
      && apk add --no-cache --virtual .runtime-gitoxide libressl libressl3.8-libcrypto


FROM bootstrap_os AS bootstrap_build_deps
  # hadolint ignore=DL3018
  RUN apk add --no-cache --virtual .rust-builder cmake gcc musl-dev make pkgconfig \
      && apk add --no-cache --virtual .bootstrap-gitoxide libressl-dev libressl3.8-libcrypto


FROM bootstrap_build_deps AS bootstrap_builder
  ARG GITOXIDE_VERSION

  ENV RUST_BACKTRACE=1

  RUN cargo install gitoxide --version "${GITOXIDE_VERSION}" --message-format short \
      && apk del .bootstrap-gitoxide \
      && apk del .rust-builder


FROM alpine:3.13.3 AS pipeline
  # hadolint ignore=SC2016
  RUN apk upgrade --update-cache --available \
      && { \
        echo '#!/bin/sh'; \
        echo 'set -eu'; \
        echo 'if [ "${#}" -gt 0 ] && [ "${1#-}" = "${1}" ] \'; \
        echo '  && command -v "${1}" > "/dev/null" 2>&1; then'; \
        echo '  exec "${@}"'; \
        echo 'else exec /bin/shfmt "${@}"; fi'; \
        echo 'exit 0'; \
      } > /init && chmod +x /init

  COPY --from=bootstrap_builder /usr/local/cargo/bin/gix /usr/local/cargo/bin/
  COPY --from=bootstrap_builder /usr/local/cargo/bin/ein /usr/local/cargo/bin/

  WORKDIR /usr/local/cargo/bin

  SHELL [ "/bin/ash", "-o", "pipefail", "-c" ]

  RUN find . -type f -executable -not \( -name '*tkinter*' \) -exec ldd '{}' ';' \
      | awk '/=>/ { so = $(NF-1); if (index(so, "/usr/local/") == 1) { next }; gsub("^/(usr/)?", "", so); gsub(".*/", "", so); print so }' \
      | xargs -r apk search -f | awk '{ so = $(NF-1); gsub(/-\d+.*$/, "", so); print so }' \
      | xargs -r apk add --no-cache --virtual .runtime

  ENV PATH="/usr/local/cargo/bin:${PATH}"

  WORKDIR /root

  HEALTHCHECK --retries=1 --timeout=15s CMD gix help

  ENTRYPOINT [ "/init" ]


FROM scratch
  COPY --from=bootstrap_builder /usr/local/cargo/bin/gix /bin/
  COPY --from=bootstrap_builder /usr/local/cargo/bin/ein /bin/

  ENTRYPOINT [ "/bin/gix" ]

  CMD [ "/bin/gix" ]

# vi: nospell