# 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=75e54093a8376c4b2196510e88201e8d793f5424
ARG PERL_SHA256=b28ccbb96f9dfb96a4216215dafc2db8ba3b998e5ead6357b2614f5334c3a6f7

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

FROM localhost/cosmo AS builder
COPY --from=downloader /perl5 /perl5

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

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 \
;

# TODO: use -D__W__ at compile-time instead?
RUN : \
 && sed -i '/-Wuninitialized/d' cosmopolitan/o/cosmopolitan.h \
 && sed -i '/-Wmaybe-uninitialized/d' cosmopolitan/o/cosmopolitan.h \
 && sed -i '/-Wuninitialized/d' cosmopolitan/libc/integral/c.inc \
 && sed -i '/-Wmaybe-uninitialized/d' cosmopolitan/libc/integral/c.inc \
 && sed -i '/sock\/sock.h/a\\#include "libc/sock/struct/pollfd.h"' cosmopolitan/libc/isystem/poll.h \
 && sed -i '/sock\/sock.h/a\\#include "libc/sock/struct/pollfd.h"' cosmopolitan/libc/isystem/sys/poll.h \
 && sed -i '/calls\/weirdtypes.h/a\\#include "libc/runtime/sysconf.h"' cosmopolitan/libc/isystem/unistd.h \
 && sed -i '/x86_64-linux-musl/d' perl5/hints/cosmo.sh \
 && sed -i '/Which of these apply/c\\dflt=cosmo' perl5/Configure \
 && sed -i 's/.*-musl-objcopy/\tobjcopy/g' perl5/Makefile.SH \
 && sed -i 's/cp \([^ ]\+\)/chmod +x \1 \&\& cp \1/g' perl5/Makefile.SH \
;

WORKDIR perl5

RUN : \
 && COSMO_MODE="" COSMO_REPO="/cosmopolitan" sh Configure -d -e \
    -Dprefix="/zip" \
    -Dusedevel \
    -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 "/perl5/cosmo/o" \
 && mkdir "/perl5/cosmo/o/tmp" \
 && cp "/perl5/perl.com" "/perl5/cosmo/o/tmp/perl.com" \
 && make "DESTDIR=/perl5/cosmo/o/tmp" install.perl \
;
RUN : \
 && cd "/perl5/cosmo/o/tmp/zip" \
 && find lib -name '*.a' -delete \
 && find lib -name '*.h' -delete \
 && find -name '*.pod' -delete \
 && cp "../perl.com" "../perl.com.bak" \
 && zip -qr "../perl.com" "lib" \
 && mv "../perl.com" "../../perl.com" \
;
RUN : \
 && version=20220613 \
 && wget -q "https://cpan.metacpan.org/authors/id/S/SH/SHANCOCK/Perl-Tidy-$version.tar.gz" -O "Perl-Tidy-$version.tar.gz" \
 && tar zxf "Perl-Tidy-$version.tar.gz" \
 && cd "Perl-Tidy-$version" \
 && ../cosmo/o/perl.com pm2pl \
 && mv "perltidy-$version.pl" ../perltidy.pl \
 && cd .. \
 && rm -r Perl-Tidy-$version \
;
RUN : \
 && cd "/perl5/cosmo/o/tmp/zip" \
 && find -type f -name '*.pm' -exec \
    /cosmopolitan/o/ape/ape.elf ../../perl.com /perl5/perltidy.pl \
    --mangle --delete-all-comments --backup-and-modify-in-place --backup-file-extension=/ {} \
    + \
 && cp "../perl.com.bak" "../perl.com" \
 && 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 /perl5/cosmo/o/perl.com /bin/perl.com
# TODO: include .dbg file too!
COPY --from=builder /perl5/minitest_results.txt /minitest_results.txt
ENTRYPOINT ["/bin/ape", "/bin/perl.com"]