#!/bin/sh -e

##
# This script is to be called from 'bootstrap.sh', not sourced.
# PATH is fully contained. We install to 'MCMTOOLS/abuild/'.
#
export PATH="${MCMTOOLS}/sys/bin:${MCMTOOLS}/host/bin";

HERE="$(dirname $(readlink -f ${0}))";
DEST="${MCMTOOLS}/abuild";

mkdir -p "${DEST}";
cd "${DEST}";


##
# OpenSSL
#
nssl=openssl;
vssl=1.1.1l;
test ! -f ._${nssl}-${vssl} &&                                 \
(
    test ! -d ${nssl}-${vssl}                                  \
        && curl -s https://www.openssl.org/source/${nssl}-${vssl}.tar.gz \
        | tar -xzf -                                           \
        ;
    cd ${nssl}-${vssl};
    rm -fr x; mkdir x; cd x;
    ../Configure cc                                            \
        --prefix="${DEST}"                                     \
        --openssldir="${DEST}"                                 \
        no-shared                                              \
        ;
    make -j$(nproc);
    make install_sw install_ssldirs;
)
touch ._${nssl}-${vssl};
rm -fr  ${nssl}-${vssl};


##
# abuild
#
nbld=abuild;
vbld=ff913b49072352604ce081378f015af1714e1bd2;
test ! -f ._${nbld}-${vbld} &&                                 \
(
    test ! -d ${nbld}-${vbld}                                  \
        && git clone https://git.alpinelinux.org/${nbld} ${nbld}-${vbld} \
        ;
    cd abuild-${vbld};
    patch -p1 --forward < "${HERE}/patches/0001-allow-untrusted.diff" || true; # FIXME
    patch -p1 --forward < "${HERE}/patches/0001-etc-apk-keys.diff" || true; # FIXME
    patch -p1 --forward < "${HERE}/patches/0001-extra-lib-paths.diff" || true; # FIXME
    rm -fr x; mkdir x; cd x;
    export SSL_CFLAGS="-I${DEST}/include -I${MCMTOOLS}/sys/include";
    export SSL_LDFLAGS="-L${DEST}/lib -L${MCMTOOLS}/sys/lib";
    export SSL_LIBS="-lssl -lcrypto"; # not in mcmtools
    export ZLIB_LIBS="-lz"; # from mcmtools
    export CFLAGS="-DABUILD_GROUP=\\\"$(id -gn)\\\""; # default 'abuild' if undefined
    sed -i "${DEST}/abuild-${vbld}/abuild-sudo.c"              \
        -e "s@/sbin/apk@${DEST}/bin/apk@"                      \
        ; # hardcoded
    make -j$(nproc) -C .. install                              \
        prefix="${DEST}"                                       \
        sysconfdir="${DEST}"                                   \
        ;
    sed -i "${DEST}/bin/abuild"                                \
        -e 's@/bin/ash -e@/usr/bin/env bash@'                  \
        ; # hardcoded
)
touch ._${nbld}-${vbld};
#rm -fr  ${nbld}-${vbld};


##
# util-linux (for 'getopt' used by 'abuild-keygen')
#
nutl=util-linux;
vutl=2.37.2;
test ! -f ._${nutl}-${vutl} &&                                 \
(
    test ! -d ${nutl}-${vutl}                                  \
        && mkdir ${nutl}-${vutl}                               \
        && curl -sL https://github.com/karelzak/${nutl}/archive/refs/tags/v${vutl}.tar.gz \
        | tar -C ${nutl}-${vutl} --strip-components=1 -xzf -   \
        ;
    cd ${nutl}-${vutl};
    test -f configure || ./autogen.sh;
    rm -fr x; mkdir x; cd x;
    ../configure                                               \
        --prefix="${DEST}"                                     \
        --enable-static                                        \
        --disable-shared                                       \
        ;
    sed -i Makefile                                            \
        -e 's/chgrp/-chgrp/g'                                  \
        -e 's/chmod/-chmod/g'                                  \
        -e 's/chown/-chown/g'                                  \
        ; # allow non-root installation
    make -j$(nproc) install;
)
touch ._${nutl}-${vutl};
rm -fr  ${nutl}-${vutl};


##
# apk-tools
#
natl=apk-tools;
vatl=9f07a3447ea1e8fb67cdbd5c30b2ea144e826490;
test ! -f ._${natl}-${vatl} &&                                 \
(
    test ! -d ${natl}-${vatl}                                  \
        && git clone https://git.alpinelinux.org/${natl} ${natl}-${vatl} \
        ;
    cd ${natl}-${vatl};
    sed -i Make.rules                                          \
        -e '/targets += $(__shlibs) $(shobjs)/d'               \
        ; # disable shared libs
    sed -i src/Makefile                                        \
        -e 's/$(install-libapk_so)//g' -e 's/$(libapk_so)//g'  \
        ; # disable shared libs
    sed -i src/context.c                                       \
        -e "s@var/log@${DEST}/${1}/var/log@"                   \
        ; # hardcoded
    export LUA=no; # documentation requires lua
    make clean;
    make                                                       \
        INSTALLDIR="${DEST}"                                   \
        CFLAGS="-I${DEST}/include -I${MCMTOOLS}/sys/include"   \
        LDFLAGS="-L${DEST}/lib -L${MCMTOOLS}/sys/lib -L${DEST}/${natl}-${vatl}/libfetch" \
        LIBS="-lapk -lfetch -lssl -lcrypto -lz"                \
        ;
    cp src/apk "${DEST}/bin";
)
touch ._${natl}-${vatl};
rm -fr  ${natl}-${vatl};


##
# pax-utils
#
npax=pax-utils;
vpax=1.3.3;
test ! -f ._${npax}-${vpax} &&                                 \
(
    test ! -d ${npax}-${vpax}                                  \
        && curl -s https://gitweb.gentoo.org/proj/${npax}.git/snapshot/${npax}-${vpax}.tar.gz \
        | tar -xzf -                                           \
        ;
    cd ${npax}-${vpax};
    sed -i Makefile                                            \
        -e '/$(MPAGES)/d'                                      \
        ;
    rm -fr x; mkdir x; cd x;
    make -j$(nproc) -C .. install                              \
        PREFIX="${DEST}"                                       \
        MANDIR="${DEST}/man"                                   \
        USE_PYTHON=no                                          \
        ;
)
touch ._${npax}-${vpax};
rm -fr  ${npax}-${vpax};


##
# fakeroot
#
nfrt=fakeroot;
vfrt=20210907T092512Z:1.26; # look on snapshot.d.o for this
test ! -f ._${nfrt}-${vfrt#*:} &&                              \
(
    test ! -d ${nfrt}-${vfrt#*:}                               \
        && curl -s https://snapshot.debian.org/archive/debian/${vfrt%:*}/pool/main/f/${nfrt}/${nfrt}_${vfrt#*:}.orig.tar.gz \
        | tar -xzf -                                           \
        ;
    cd ${nfrt}-${vfrt#*:};
    f=$(mktemp);
    echo > ${f} "#include <linux/capability.h>";
    cat libfakeroot.c >> ${f};
    mv ${f} libfakeroot.c;
    rm -fr x; mkdir x; cd x;
    ../configure --prefix="${DEST}";
    make -j$(nproc) install;
)
touch ._${nfrt}-${vfrt#*:};
rm -fr  ${nfrt}-${vfrt#*:};