#!/bin/sh

# Slackware build script for slapt-get

# Copyright 2021  Sergei Fedosoff <eleksir@gmail.com>
#
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ''AS IS'' AND ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
# EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

PRGNAM=slapt-get
VERSION=${VERSION:-0.11.10}
BUILD=${BUILD:-1}
TAG=${TAG:-_EXs}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

CWD="$(pwd)"
TMP="${TMP:-/tmp/EXs}"
PKG="$TMP/package-$PRGNAM"
OUTPUT="${OUTPUT:-/tmp}"

if [ "$ARCH" = "i586" ]; then
    SLKCFLAGS="-O2 -march=i586 -mtune=i686"
    LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
    SLKCFLAGS="-O2 -march=i686 -mtune=i686"
    LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
    SLKCFLAGS="-O2 -fPIC"
    LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

set -e

rm -rf "$PKG"
mkdir -p "$TMP" "$PKG" "$OUTPUT"
cd "$TMP"
rm -rf "$PRGNAM-$VERSION"
tar xf "$CWD/$PRGNAM-$VERSION.tar.gz"
cd "$PRGNAM-$VERSION"
chown -R root:root .
find -L . \
 \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 -o -perm 511 \) \
 -exec chmod 755 {} \+ -o \
 \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
 -exec chmod 644 {} \+

export CFLAGS="-g $SLKFLAGS -flto -rdynamic"
export LDFLAGS="-flto -rdynamic -Wl,--export-dynamic -Wl,-E -Wl,--no-as-needed -Wl,-O2"
meson setup build --prefix=/usr --sysconfdir=/etc --mandir=/usr/man --buildtype=debugoptimized
meson compile -C build
DESTDIR="$PKG" meson install -C build

find "$PKG" -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true

find $PKG/usr/man -type f -exec gzip -9 {} \+
for i in $( find $PKG/usr/man -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done

rm -f "$PKG/etc/slapt-get/slapt-getrc"
install -Dpm 0644 "$CWD/slapt-getrc.$ARCH" "$PKG/etc/slapt-get/slapt-getrc.new"
install -Dpm 0644 "$CWD/$PRGNAM.SlackBuild" "$PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild"
install -Dpm 0644 "$CWD/slack-desc" "$PKG/install/slack-desc"
install -Dpm 0644 slack-required "$PKG/install/slack-required"

cd "$PKG"

/sbin/makepkg -l y -c n "$OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}"