#!/bin/sh
set -eu

component_dir=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)
. "$component_dir/common.sh"

extract() {
    tar -xf "$source_dir/$1" -C "$source_build_dir"
}

extract less-704.tar.gz
extract mandoc-1.14.6.tar.gz
extract file-5.48.tar.gz
extract gzip-1.14.tar.xz
extract bzip2-1.0.8.tar.gz
extract xz-5.8.3.tar.bz2
extract iproute2-7.1.0.tar.xz
extract libmnl-1.0.5.tar.bz2
extract libnftnl-1.3.1.tar.xz
extract nftables-1.1.6.tar.xz

pkgconfig_path="$sysroot/usr/lib/pkgconfig:$sysroot/usr/share/pkgconfig"

install_man_page() {
    page=$1
    name=${2:-${page##*/}}
    section=${name##*.}
    install -d -m 0755 "$base_root/usr/share/man/man$section"
    install -m 0644 "$page" "$base_root/usr/share/man/man$section/$name"
}

install_command_man_page() {
    tree=$1
    command=$2
    page=$(find "$tree" -type f -name "$command.[1-9]" -print | head -1)
    if [ -n "$page" ]; then
        install_man_page "$page"
    fi
}

(
    cd "$source_build_dir/less-704"
    CC="$cc" \
        AR="$ar" \
        RANLIB="$ranlib" \
        LIBS="-lcurses -lterminfo" \
        ./configure \
        --build="$build_triplet" \
        --host="$MOUSE_GNU_TARGET" \
        --prefix=/usr \
        --sysconfdir=/etc \
        --with-regex=posix
    make -s -j"$jobs" less lesskey lessecho
    install -m 0755 less lesskey lessecho "$base_root/usr/bin/"
)
install_man_page "$source_build_dir/less-704/less.nro" less.1
install_man_page "$source_build_dir/less-704/lesskey.nro" lesskey.1
install_man_page "$source_build_dir/less-704/lessecho.nro" lessecho.1

(
    cd "$source_build_dir/bzip2-1.0.8"
    make -s -j"$jobs" \
        CC="$cc" \
        AR="$ar" \
        RANLIB="$ranlib" \
        CFLAGS="-O2" \
        LDFLAGS="-static" \
        bzip2 bzip2recover libbz2.a
    install -m 0644 bzlib.h "$sysroot/usr/include/bzlib.h"
    install -m 0644 libbz2.a "$sysroot/usr/lib/libbz2.a"
    install -m 0755 bzip2 bzip2recover "$base_root/usr/bin/"
)
ln -s bzip2 "$base_root/usr/bin/bunzip2"
ln -s bzip2 "$base_root/usr/bin/bzcat"
for page in bzip2.1 bzgrep.1 bzmore.1 bzdiff.1; do
    install_man_page "$source_build_dir/bzip2-1.0.8/$page"
done

(
    cd "$source_build_dir/xz-5.8.3"
    CC="$cc" \
        AR="$ar" \
        RANLIB="$ranlib" \
        ./configure \
        --build="$build_triplet" \
        --host="$MOUSE_GNU_TARGET" \
        --prefix=/usr \
        --disable-shared \
        --enable-static \
        --disable-nls \
        --disable-doc \
        --disable-xzdec \
        --disable-lzmadec \
        --disable-lzmainfo
    make -s -j"$jobs" -C src/liblzma
    make -s -C src/liblzma DESTDIR="$sysroot" install
    make -s -j"$jobs" -C src/xz xz
    install -m 0755 src/xz/xz "$base_root/usr/bin/xz"
)
for command in unxz xzcat lzma unlzma lzcat; do
    ln -s xz "$base_root/usr/bin/$command"
done
for page in xz.1; do
    install_man_page "$source_build_dir/xz-5.8.3/src/xz/$page"
done

(
    cd "$source_build_dir/gzip-1.14"
    CC="$cc" \
        AR="$ar" \
        RANLIB="$ranlib" \
        gl_cv_func_getcwd_path_max=yes \
        ./configure \
        --build="$build_triplet" \
        --host="$MOUSE_GNU_TARGET" \
        --prefix=/usr \
        --disable-nls
    make -s -j"$jobs"
    install -m 0755 gzip "$base_root/usr/bin/gzip"
    for script in gunzip zcat zcmp zdiff zgrep zless zmore; do
        install -m 0755 "$script" "$base_root/usr/bin/$script"
    done
)
for page in gzip.1 gunzip.1 zcat.1 zcmp.1 zdiff.1 zgrep.1 zless.1 zmore.1; do
    install_man_page "$source_build_dir/gzip-1.14/$page"
done

file_native_build="$source_build_dir/file-5.48-native"
install -d -m 0755 "$file_native_build"
(
    cd "$file_native_build"
    CC="$native_cc" \
        "$source_build_dir/file-5.48/configure" \
        --disable-shared \
        --enable-static \
        --disable-zstdlib \
        --disable-lzlib \
        --disable-libseccomp
    make -s -C src magic.h
    make -s -j"$jobs" -C src file
)

(
    cd "$source_build_dir/file-5.48"
    CC="$cc" \
        AR="$ar" \
        RANLIB="$ranlib" \
        PKG_CONFIG="$tools_dir/bin/pkgconf" \
        PKG_CONFIG_LIBDIR="$pkgconfig_path" \
        PKG_CONFIG_SYSROOT_DIR="$sysroot" \
        ./configure \
        --build="$build_triplet" \
        --host="$MOUSE_GNU_TARGET" \
        --prefix=/usr \
        --disable-shared \
        --enable-static \
        --disable-zstdlib \
        --disable-lzlib \
        --disable-libseccomp
    make -s -C src magic.h
    make -s -j"$jobs" -C src file
    make -s -C magic \
        FILE_COMPILE="$file_native_build/src/file" \
        magic.mgc
    install -m 0755 src/file "$base_root/usr/bin/file"
    install -d -m 0755 "$base_root/usr/share/misc"
    install -m 0644 magic/magic.mgc "$base_root/usr/share/misc/magic.mgc"
)
install_man_page "$source_build_dir/file-5.48/doc/file.man" file.1
install_man_page "$source_build_dir/file-5.48/doc/magic.man" magic.5

unzip_source="$source_build_dir/libarchive-unzip-3.8.7"
install -d -m 0755 "$unzip_source"
tar -xf "$source_dir/libarchive-3.8.9.tar.xz" \
    -C "$unzip_source" \
    --strip-components=1
(
    cd "$unzip_source"
    CC="$cc" \
        AR="$ar" \
        RANLIB="$ranlib" \
        PKG_CONFIG="$tools_dir/bin/pkgconf" \
        PKG_CONFIG_LIBDIR="$pkgconfig_path" \
        PKG_CONFIG_SYSROOT_DIR="$sysroot" \
        ./configure \
        --build="$build_triplet" \
        --host="$MOUSE_GNU_TARGET" \
        --prefix=/usr \
        --disable-shared \
        --enable-static \
        --disable-bsdtar \
        --disable-bsdcat \
        --disable-bsdcpio \
        --enable-bsdunzip=static \
        --disable-acl \
        --disable-xattr \
        --without-libb2 \
        --without-iconv \
        --without-lz4 \
        --without-zstd \
        --without-xml2 \
        --without-expat \
        --without-openssl \
        --without-cng
    make -s -j"$jobs" bsdunzip
    install -m 0755 bsdunzip "$base_root/usr/bin/unzip"
)
install_man_page "$unzip_source/unzip/bsdunzip.1" unzip.1

mandoc_source="$source_build_dir/mandoc-1.14.6"
cat >"$mandoc_source/configure.local" <<EOF
CC="$cc"
AR="$ar"
CFLAGS="-O2"
LDFLAGS="-static"
STATIC="-static"
PREFIX="/usr"
BINDIR="/usr/bin"
SBINDIR="/usr/sbin"
MANDIR="/usr/share/man"
MANPATH_BASE="/usr/share/man:/usr/local/man"
MANPATH_DEFAULT="/usr/share/man:/usr/local/man"
OSENUM=MANDOC_OS_OTHER
OSNAME="MOUSE"
BINM_PAGER="less"
LN="ln -sf"
EOF
(
    cd "$mandoc_source"
    ./configure
    make -s -j"$jobs"
    make -s DESTDIR="$base_root" base-install
)

iproute_source="$source_build_dir/iproute2-7.1.0"
(
    cd "$iproute_source"
    CC="$cc" \
        AR="$ar" \
        YACC="bison -y" \
        PKG_CONFIG="$tools_dir/bin/pkgconf" \
        PKG_CONFIG_LIBDIR="$pkgconfig_path" \
        PKG_CONFIG_SYSROOT_DIR="$sysroot" \
        sh ./configure
    # Enter component directories through the top-level makefile. It defines
    # and exports iproute2's path constants, feature macros, and UAPI includes;
    # invoking the sub-makes directly silently drops them.
    make -s -j"$jobs" \
        CC="$cc" \
        AR="$ar" \
        YACC="bison -y" \
        SHARED_LIBS=n \
        LDFLAGS="-static" \
        SUBDIRS=lib
    make -s -j"$jobs" \
        CC="$cc" \
        AR="$ar" \
        YACC="bison -y" \
        SHARED_LIBS=n \
        LDFLAGS="-static" \
        SUBDIRS="ip tc bridge misc"
    for target in ip/ip tc/tc bridge/bridge misc/ss; do
        install -m 0755 "$target" "$base_root/sbin/${target##*/}"
    done
)
for command in ip tc bridge ss; do
    install_command_man_page "$iproute_source/man" "$command"
done

(
    cd "$source_build_dir/libmnl-1.0.5"
    CC="$cc" AR="$ar" RANLIB="$ranlib" ./configure \
        --build="$build_triplet" \
        --host="$MOUSE_GNU_TARGET" \
        --prefix=/usr \
        --disable-shared \
        --enable-static
    make -s -j"$jobs"
    make -s DESTDIR="$sysroot" install
)
(
    cd "$source_build_dir/libnftnl-1.3.1"
    CC="$cc" \
        AR="$ar" \
        RANLIB="$ranlib" \
        PKG_CONFIG="$tools_dir/bin/pkgconf" \
        PKG_CONFIG_LIBDIR="$pkgconfig_path" \
        PKG_CONFIG_SYSROOT_DIR="$sysroot" \
        ./configure \
        --build="$build_triplet" \
        --host="$MOUSE_GNU_TARGET" \
        --prefix=/usr \
        --disable-shared \
        --enable-static
    make -s -j"$jobs"
    make -s DESTDIR="$sysroot" install
)
# These are static-only cross-build dependencies. Libtool archives retain the
# target's /usr/lib prefix and make nftables' host libtool look outside the
# sysroot; the real .a archives and pkg-config metadata are sufficient.
rm -f "$sysroot/usr/lib/libmnl.la" "$sysroot/usr/lib/libnftnl.la"
(
    cd "$source_build_dir/nftables-1.1.6"
    patch -p1 <"$repo_dir/base/patches/nftables-posix-configure.patch"
    CC="$cc" \
        AR="$ar" \
        RANLIB="$ranlib" \
        YACC="bison -y" \
        PKG_CONFIG="$tools_dir/bin/pkgconf" \
        PKG_CONFIG_LIBDIR="$pkgconfig_path" \
        PKG_CONFIG_SYSROOT_DIR="$sysroot" \
        ./configure \
        --build="$build_triplet" \
        --host="$MOUSE_GNU_TARGET" \
        --prefix=/usr \
        --sbindir=/sbin \
        --disable-shared \
        --enable-static \
        --disable-man-doc \
        --with-mini-gmp \
        --without-cli \
        --without-xtables \
        --without-json \
        --without-unitdir
    make -s -j"$jobs" src/nft
    install -m 0755 src/nft "$base_root/sbin/nft"
)
install_man_page "$source_build_dir/nftables-1.1.6/doc/nft.8"

for command in \
    blkid dmesg fdisk findmnt flock losetup lsblk mount sfdisk swapoff swapon umount wipefs
do
    install_command_man_page "$source_build_dir/util-linux-2.42.2" "$command"
done
for command in free pgrep pkill ps sysctl top uptime vmstat watch; do
    install_command_man_page "$source_build_dir/procps-ng-4.0.6" "$command"
done
install_command_man_page "$source_build_dir/iputils-20250605" ping

while IFS= read -r page; do
    filename=${page##*/}
    command=${filename%.*}
    if [ -x "$base_root/bin/$command" ] ||
        [ -x "$base_root/sbin/$command" ] ||
        [ -x "$base_root/usr/bin/$command" ] ||
        [ -x "$base_root/usr/sbin/$command" ]
    then
        install_man_page "$page"
    fi
done <<EOF
$(find "$source_build_dir/chimerautils-15.0.3" -type f -name '*.[1-9]' -print | LC_ALL=C sort)
EOF

host_mandoc_source="$static_dir/host-mandoc-1.14.6"
install -d -m 0755 "$host_mandoc_source"
tar -xf "$source_dir/mandoc-1.14.6.tar.gz" \
    -C "$host_mandoc_source" \
    --strip-components=1
cat >"$host_mandoc_source/configure.local" <<EOF
CC="$native_cc"
PREFIX="$tools_dir/mandoc-host"
EOF
(
    cd "$host_mandoc_source"
    ./configure
    make -s -j"$jobs" mandoc
    install -d -m 0755 "$tools_dir/mandoc-host"
    install -m 0755 mandoc "$tools_dir/mandoc-host/makewhatis"
)