FROM scratch AS base
ENV VERSION=5.45.4
ENV SRC_HASH=49a7da83b0bdd9f46d04a04deec19c7767bb9a323e40c4781f89caf760b92c34
ENV SRC_FILE=expect${VERSION}.tar.gz
ENV SRC_SITE=https://downloads.sourceforge.net/project/expect/Expect/${VERSION}/${SRC_FILE}

FROM base AS fetch
ADD --checksum=sha256:${SRC_HASH} ${SRC_SITE} ${SRC_FILE}

FROM fetch AS build
COPY --from=stagex/busybox . /
COPY --from=stagex/musl . /
COPY --from=stagex/gcc . /
COPY --from=stagex/binutils . /
COPY --from=stagex/make . /
COPY --from=stagex/perl . /
COPY --from=stagex/automake . /
COPY --from=stagex/autoconf . /
COPY --from=stagex/m4 . /
COPY --from=stagex/pkgconf . /
COPY --from=stagex/tcl . /
RUN tar -xvf $SRC_FILE
WORKDIR /expect${VERSION}
ADD *.patch .
RUN --network=none <<-EOF
    set -eux
    patch -Np0 -i expect-5.45-format-security.patch
    patch -Np1 -i expect-c99.patch
    patch -Np1 -i expect-configure-c99.patch
    autoreconf -vif
    ./configure \
        --build=x86_64-unknown-linux-musl \
        --host=x86_64-unknown-linux-musl \
        --prefix=/usr/ \
        --sysconfdir=/etc \
        --localstatedir=/var \
        --mandir=/usr/share/man \
        --with-tcl=/usr/lib \
        --with-tclinclude=/usr/include \
        --disable-rpath
        make -j "$(nproc)"
EOF

FROM build AS install
RUN --network=none make DESTDIR=/rootfs install

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