# 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=d48f509e4fac172c34109288e16373525f6d1871
ARG PERL_SHA256=ab6faf04d4f9f34a3f01aa702b34d6307c66e1bb453aad692e1972062154ca3f

ARG PERLTIDY_VERSION=20220613
ARG PERLTIDY_SHA256=50496a6952904ef28f495919fc0a67801a63c87779c61308ce1ca5b32467c5d4

RUN --mount=type=cache,id=common,target=/media/common,sharing=locked \
    --mount=type=tmpfs,target=/tmp : \
 && cd /media/common \
 && name=perl \
 && export remote_fn="$PERL_COMMIT.tar.gz" \
 && export local_fn="$name-$remote_fn" \
 && export remote_url="https://github.com/G4Vi/perl5/archive/$remote_fn" \
 && export dest=/$name \
 && export sha256="$PERL_SHA256" \
 && acquire \
\
 && name=perltidy \
 && export 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

RUN : \
 && sed -i '/x86_64-linux-musl/d' hints/cosmo.sh \
 && sed -i 's/.*-musl-objcopy/\tobjcopy/g' Makefile.SH \
\
 && COSMO_MODE="" COSMO_REPO="/cosmopolitan" sh Configure -d -e \
    -Dprefix="/zip" \
    -Dusedevel \
    -Uversiononly \
    -Doptimize="-Os" \
    -Dmyhostname="cosmo" \
    -Dmydomain="invalid" \
    -Dcf_by="cosmo" \
    -DDEBUGGING \
;

RUN make -j2

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

RUN : \
 && 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 /usr/local/bin/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"]