#!/bin/bash

# Slackware build script for untldr

# 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=untldr
BINNAM=tldr
VERSION=${VERSION:-1.0.0}
BUILD=${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=${TMP:-/tmp/SBo}
PKG=$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-v"$VERSION".tar.gz
cd $PRGNAM-"$VERSION"
chown -R root:root .
chmod -R u+w,go+r-w,a-s .

make CFLAGS="$SLKCFLAGS"
make DESTDIR="$PKG" PREFIX="/usr" install
strip -s "$PKG"/usr/bin/$BINNAM

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

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