# MAIN: https://www.perl.org/
# REPO: https://github.com/Perl/perl5
# FORK: https://github.com/G4Vi/perl5/tree/cosmo
FROM localhost/notwa-util AS downloader

ARG PERL_COMMIT=bebc393fb7412bb39314f8a8bad76ffe7522574d
ARG PERL_SHA256=274f749bd447f00b93537616b77950c1981034ada80568c052344eb017649ddc

ARG PERLTIDY_VERSION=20220613
ARG PERLTIDY_SHA256=50496a6952904ef28f495919fc0a67801a63c87779c61308ce1ca5b32467c5d4

RUN --mount=type=cache,id=common,target=/media/common,sharing=locked \
    --mount=type=tmpfs,target=/tmp : \
 && acquire from=github repo=Perl/perl5 dest=/perl \
    commit="$PERL_COMMIT" checksum="$PERL_SHA256" \
\
 && name=perltidy \
 && remote_fn="Perl-Tidy-$PERLTIDY_VERSION.tar.gz" \
 && export local_fn="$name-$PERLTIDY_VERSION.tar.gz" \
 && export remote_url="https://cpan.metacpan.org/authors/id/S/SH/SHANCOCK/$remote_fn" \
 && export dest=/$name \
 && export sha256="$PERLTIDY_SHA256" \
 && acquire \
;

FROM localhost/cosmo AS builder

# TODO: this shouldn't be necessary!
RUN apk add --no-cache make

COPY --from=downloader /perl /perl
RUN : \
 && cd cosmopolitan \
 && . ./env \
 && a="dist/$flavor" \
 && mkdir o o/ape o/ape/public o/libc o/libc/crt \
 && cp -t o/ape \
    "$a/ape-copy-self.o" \
    "$a/ape-no-modify-self.o" \
    "$a/ape.elf" \
    "$a/ape.lds" \
    "$a/ape.o" \
 && cp -t o/ape/public \
    "$a/public/ape.lds" \
 && cp -t o/libc/crt \
    "$a/crt.o" \
 && cp -t o \
    "$a/cosmopolitan.a" \
    "$a/cosmopolitan.h" \
\
 && tar zxf dist/headers.tar.gz \
\
 && for f in \
        bin/unzip.com \
        bin/zip.com \
    ;do : \
     && cp -- "$f" /a.out \
     && /cosmopolitan/bin/ape bin/assimilate.com /a.out \
     && install -m0755 /a.out "/usr/bin/$(basename "${f%.com}")" \
    ;done \
\
 && rm /usr/bin/strings \
 && for f in gcc/bin/* \
    ;do : \
     && g="$(basename "$f")" \
     && ln -s "$(realpath "$f")" "/usr/bin/${g#x86_64-linux-musl-}" \
    ;done \
;

WORKDIR perl

COPY --chmod=0755 --from=localhost/notwa-util /nu/shed /usr/bin/
RUN : \
 && shed hints/cosmo.sh '/x86_64-linux-musl/d' \
 && shed Makefile.SH 's/.*-musl-objcopy/\tobjcopy/g' \
\
 && COSMO_MODE= COSMO_REPO=/cosmopolitan sh Configure -d -e \
    -Dprefix=/zip \
    -Dusedevel \
    -Uversiononly \
    -Doptimize=-Os \
    -Dmyhostname=cosmo \
    -Dmydomain=invalid \
    -Dcf_by=cosmo \
;

RUN make -j2

RUN make -j2 minitest devtty=/dev/zero | tee minitest_results.txt

RUN : \
 && mkdir /perl/cosmo \
 && mkdir /perl/cosmo/o \
 && mkdir /perl/cosmo/o/tmp \
 && cp /perl/perl.com /perl/cosmo/o/tmp/perl.com \
 && make DESTDIR=/perl/cosmo/o/tmp install.perl \
;
RUN : \
 && cd /perl/cosmo/o/tmp/zip \
 && rm bin/perl bin/perl5.36.0 \
 && find lib -name '*.a' -delete \
 && find lib -name '*.h' -delete \
 && find -name '*.pod' -delete \
 && cp ../perl.com ../perl.com.bak \
 && chmod u+w ../perl.com \
 && zip -qr ../perl.com lib \
 && mv ../perl.com ../../perl.com \
;
COPY --from=downloader /perltidy /perltidy
RUN : \
 && cd /perltidy \
 && /perl/cosmo/o/perl.com pm2pl \
 && mv perltidy-*.pl /perl/perltidy.pl \
 && cd /perl/cosmo/o/tmp/zip \
 && find -type f -name '*.pm' -exec \
    /cosmopolitan/o/ape/ape.elf ../../perl.com /perl/perltidy.pl \
    --mangle --delete-all-comments --backup-and-modify-in-place --backup-file-extension=/ {} \
    + \
;
RUN : \
 && cd /perl/cosmo/o/tmp/zip \
 && cp ../perl.com.bak ../perl.com \
 && chmod u+w ../perl.com \
 && zip -qr ../perl.com bin \
 && zip -qr ../perl.com lib \
 && mv ../perl.com ../../perl.com \
;

FROM scratch AS runner
COPY --chmod=0755 --from=localhost/notwa-util /nu/busybox /bin/busybox
COPY --chmod=0755 --from=builder /cosmopolitan/bin/ape /bin/ape
COPY --chmod=0755 --from=builder /perl/cosmo/o/perl.com /bin/perl.com
COPY --chmod=0755 --from=builder /perl/perl.elf /bin/perl.com.dbg
COPY --from=builder /perl/minitest_results.txt /minitest_results.txt
ENTRYPOINT ["/bin/ape", "/bin/perl.com"]