# MAIN: https://justine.lol/cosmopolitan/
# REPO: https://github.com/jart/cosmopolitan
ARG COSMO_FLAVOR=def
# 1 commit after cosmopolitan 2.1.0:
ARG COSMO_COMMIT=87708c5d6eef18dad5ca64f6da87fafbcb9a0132
ARG COSMO_SHA256=103173004296b89471f586dcce56381ac5695c6f42f5aae75c620842685c6371

FROM localhost/notwa-util AS downloader
ARG COSMO_COMMIT
ARG COSMO_SHA256
RUN --mount=type=cache,id=common,target=/media/common,sharing=locked \
    --mount=type=tmpfs,target=/tmp : \
 && cd /media/common \
 && name=cosmopolitan \
 && export remote_fn="$COSMO_COMMIT.tar.gz" \
 && export local_fn="$name-$remote_fn" \
 && export remote_url="https://github.com/jart/$name/archive/$remote_fn" \
 && export dest=/$name \
 && export sha256="$COSMO_SHA256" \
 && acquire \
;

FROM alpine:3.16 AS builder
ARG COSMO_FLAVOR
ARG COSMO_COMMIT
COPY --from=downloader /cosmopolitan /cosmopolitan
WORKDIR /cosmopolitan

# tell makefiles to be less noisy, also use /tmp:
ENV V=0 COLUMNS=80 TMPDIR=/tmp

RUN : \
# allow optimized builds to be more portable, so the container is too. \
 && sed -i 's/-march=native/-march=haswell -mno-pclmul -mtune=generic/' build/config.mk \
# fix execution on alpine (although installing the loader mitigates this) \
 && sed -i 's/skip="      76" count="     128"/skip=76         count=128       /' build/bootstrap/*.com \
 && install -m0755 build/bootstrap/ape.elf /usr/bin/ape \
# include LoadZipArgs in cosmopolitan.a \
 && sed -i '/COSMOPOLITAN_OBJECTS =/a\\tTOOL_ARGS\t\t\\' Makefile \
# include nsync_cv_signal and nsync_cv_wait_with_deadline in cosmopolitan.a \
 && sed -i '/THIRD_PARTY_NSYNC_MALLOC/i\\tTHIRD_PARTY_NSYNC_MEM\t\t\\' Makefile \
# create a mapping from flavor to mode (possibly an empty string) \
 && { [ "$COSMO_FLAVOR" != def ] && mode="$COSMO_FLAVOR" || mode=; } \
 && printf '%s="%s"\n' >env \
    commit "$COSMO_COMMIT" \
    flavor "$COSMO_FLAVOR" \
    mode "$mode" \
# make calling make a little shorter (don't put this in distrib!) \
 && ln -s build/bootstrap/make.com make \
;

# finally start building

RUN --mount=type=tmpfs,target=/tmp : \
 && . ./env \
 && ./make -j2 MODE="$mode" \
    "o/$mode/ape/ape-copy-self.o" \
    "o/$mode/ape/ape-no-modify-self.o" \
    "o/$mode/ape/ape.elf" \
    "o/$mode/ape/ape.lds" \
    "o/$mode/ape/ape.macho" \
    "o/$mode/ape/ape.o" \
    "o/$mode/ape/public/ape.lds" \
    "o/$mode/cosmopolitan.a" \
    "o/$mode/libc/crt/crt.o" \
    "o/cosmopolitan.h" \
# build some extra tools for other containers to stem off of: \
 && rebuild() \
    { : \
     && ./make -j2 MODE="$mode" "$@" \
     && cp -t build/bootstrap "$@" \
     ;} \
 && rebuild \
    "o/$mode/third_party/make/make.com" \
    "o/$mode/tool/build/ar.com" \
    "o/$mode/tool/build/cocmd.com" \
    "o/$mode/tool/build/compile.com" \
    "o/$mode/tool/build/cp.com" \
    "o/$mode/tool/build/echo.com" \
    "o/$mode/tool/build/fixupobj.com" \
    "o/$mode/tool/build/gzip.com" \
    "o/$mode/tool/build/mkdeps.com" \
    "o/$mode/tool/build/mkdir.com" \
    "o/$mode/tool/build/package.com" \
    "o/$mode/tool/build/pwd.com" \
    "o/$mode/tool/build/rm.com" \
    "o/$mode/tool/build/touch.com" \
    "o/$mode/tool/build/unbundle.com" \
    "o/$mode/tool/build/zipobj.com" \
# these are essential too! \
 && ./make -j2 MODE="$mode" "$@" \
    "o/$mode/third_party/unzip/unzip.com" \
    "o/$mode/third_party/zip/zip.com" \
    "o/$mode/tool/build/assimilate.com" \
;

RUN . ./env \
 && mkdir dist "dist/$flavor" "dist/$flavor/public" \
 && echo /dist >>.gitignore \
 && cp -t "dist/$flavor" \
    "o/$mode/ape/ape-copy-self.o" \
    "o/$mode/ape/ape-no-modify-self.o" \
    "o/$mode/ape/ape.elf" \
    "o/$mode/ape/ape.lds" \
    "o/$mode/ape/ape.macho" \
    "o/$mode/ape/ape.o" \
    "o/$mode/cosmopolitan.a" \
    "o/$mode/libc/crt/crt.o" \
    "o/cosmopolitan.h" \
 && cp -t "dist/$flavor/public" \
    "o/$mode/ape/public/ape.lds" \
\
 && install -m0755 "dist/$flavor/ape.elf" /usr/bin/ape \
 && find libc -name '*.h' >headers.txt \
 && tar zcf "dist/headers.tar.gz" \
    -T "headers.txt" \
    "ape/config.h" \
    "libc/integral" \
    "third_party/gdtoa/gdtoa.h" \
    "third_party/getopt/getopt.h" \
    "third_party/musl/crypt.h" \
    "third_party/musl/fnmatch.h" \
    "third_party/musl/passwd.h" \
    "third_party/regex/regex.h" \
    "third_party/zlib/zconf.h" \
    "third_party/zlib/zlib.h" \
;

FROM builder AS distrib
COPY --chmod=0755 --from=localhost/notwa-util /usr/local/bin/dedupe /usr/bin/
RUN --mount=type=tmpfs,target=/tmp : \
 && . ./env \
 && find o -name '*.sym' -delete \
 && dedupe o/third_party/gcc /distrib/gcc/ \
    bin/x86_64-linux-musl-gcc \
    bin/x86_64-linux-musl-g++ \
    bin/x86_64-linux-musl-ld.bfd \
 && dedupe dist /distrib/dist/ \
    "$flavor/cosmopolitan.h" \
 && mkdir /tmp/bin \
# discover .com files by uncommenting this command: \
#&& find o -name '*.com' ! -type d -exec printf '%s\n' cp -t /tmp/bin {} + | sort && exit 1 \
 && cp -t /tmp/bin \
    "o/$mode/third_party/make/make.com" \
    "o/$mode/third_party/unzip/unzip.com" \
    "o/$mode/third_party/zip/zip.com" \
    "o/$mode/tool/build/ar.com" \
    "o/$mode/tool/build/assimilate.com" \
    "o/$mode/tool/build/cocmd.com" \
    "o/$mode/tool/build/compile.com" \
    "o/$mode/tool/build/cp.com" \
    "o/$mode/tool/build/echo.com" \
    "o/$mode/tool/build/fixupobj.com" \
    "o/$mode/tool/build/gzip.com" \
    "o/$mode/tool/build/mkdeps.com" \
    "o/$mode/tool/build/mkdir.com" \
    "o/$mode/tool/build/package.com" \
    "o/$mode/tool/build/pwd.com" \
    "o/$mode/tool/build/rm.com" \
    "o/$mode/tool/build/rollup.com" \
    "o/$mode/tool/build/symtab.com" \
    "o/$mode/tool/build/touch.com" \
    "o/$mode/tool/build/unbundle.com" \
    "o/$mode/tool/build/zipobj.com" \
 && dedupe /tmp/bin /distrib/bin/ \
#&& ln -s "../dist/$flavor/ape.elf" /distrib/bin/ape \
 && cp "dist/$flavor/ape.elf" /distrib/bin/ape \
 && cp /cosmopolitan/env /distrib/env \
;

FROM alpine:3.16 AS runner
COPY --from=distrib /distrib /cosmopolitan
ENV PATH="/cosmopolitan/bin:/cosmopolitan/gcc/bin/:/cosmopolitan/gcc/x86_64-linux-musl/bin/:$PATH"