FROM scratch as base
ARG ARCH=x86_64
ENV VERSION=8.6.14
ENV SRC_HASH=5880225babf7954c58d4fb0f5cf6279104ce1cd6aa9b71e9a6322540e1c4de66
ENV SRC_FILE=tcl${VERSION}-src.tar.gz
ENV SRC_SITE=https://fossies.org/linux/misc/${SRC_FILE}

FROM base as fetch
ADD --checksum=sha256:${SRC_HASH} ${SRC_SITE} .

FROM fetch as build
COPY --from=stagex/bash . /
COPY --from=stagex/binutils . /
COPY --from=stagex/pkgconf . /
COPY --from=stagex/busybox . /
COPY --from=stagex/make . /
COPY --from=stagex/musl . /
COPY --from=stagex/gcc . /
RUN tar -xzf ${SRC_FILE}
WORKDIR tcl${VERSION}/unix
RUN --network=none <<-EOF
    ./configure \
        --build=${ARCH}-linux-musl \
        --host=${ARCH}-linux-musl \
        --prefix=/usr \
        --sysconfdir=/etc \
        --mandir=/usr/share/man \
        --localstatedir=/var \
        --enable-64bit
    make -j "$(nproc)"
EOF

FROM build as install
RUN --network=none <<-EOF
    set -eu
    make DESTDIR=/rootfs install
    find /rootfs -exec touch -hcd "@0" "{}" +
EOF

FROM stagex/filesystem as package
COPY --from=install /rootfs/. /