FROM --platform=linux/i386 alpine:latest as build
COPY install-build-pkgs /tmp/
RUN /tmp/install-build-pkgs
ARG BUILD_TIMESTAMP=0
ARG GIT_REPO
ARG BRANCH
RUN git clone --single-branch --branch="${BRANCH}" ${GIT_REPO} /tmp/mergerfs 
WORKDIR /tmp/mergerfs
RUN make NDEBUG=1 LTO=1 STATIC=1 DESTDIR=/tmp -j$(nproc) install
RUN mkdir /build
RUN /tmp/usr/local/bin/mergerfs --version | head -n1 | cut -c 11- | tee /tmp/version
RUN tar cvfz /build/mergerfs-$(cat /tmp/version)-static-linux_i386.tar.gz --directory=/tmp usr sbin

FROM scratch
COPY --from=build /build/ /