#!/bin/bash

# Slackware build script for swege

# Copyright 2022 Ivan Kovmir <ikovmir@uninstance.cc>
# 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.

cd "$(dirname "$0")" ; CWD=$(pwd)

PRGNAM=swege
VERSION=${VERSION:-2.0.0}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

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

if [ -n "${PRINT_PACKAGE_NAME}" ]; then
	echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
	exit 0
fi

TMP="${TMP:-/tmp/SBo}"
SRC="$TMP/$PRGNAM-$VERSION"
PKG="$TMP/package-$PRGNAM"
OUTPUT="${OUTPUT:-/tmp}"

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

set -e

rm -rf "$PKG"
mkdir -p "$TMP" "$PKG" "$OUTPUT"
cd "$TMP"
rm -rf "$PRGNAM-$VERSION"
tar xvf "$CWD/$PRGNAM-$VERSION.tar.gz"
cd "$PRGNAM-$VERSION"
chown -R root:root .
chmod -R u+w,go+r-w,a-s .

INSTALL_PREFIX="/usr"

CFLAGS="$SLKCFLAGS" make
DESTDIR="$PKG" PREFIX="$INSTALL_PREFIX" make install
strip -s "$PKG$INSTALL_PREFIX/bin/$PRGNAM"

mkdir -p "$PKG/install"
mkdir -p "$PKG/usr/doc/$PRGNAM-$VERSION"
mkdir -p "$PKG/usr/share/$PRGNAM-$VERSION"
cp "$CWD/$PRGNAM.SlackBuild" "$PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild"
cp "$CWD/README" "$PKG/usr/doc/$PRGNAM-$VERSION/README"
cp "$CWD/slack-desc" "$PKG/install/slack-desc"

# Copy useful things directly from the repository folder.
cp "$SRC/README.md" "$PKG/usr/share/$PRGNAM-$VERSION/repository-README.md"
cp "$SRC/LICENSE" "$PKG/usr/share/$PRGNAM-$VERSION/LICENSE"
cp -r "$SRC/example" "$PKG/usr/share/$PRGNAM-$VERSION/example"

cd "$PKG"
/sbin/makepkg -l y -c n "$OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"