#!/bin/bash

# Slackware build script for ed-v6
# Copyright 2019 Dave Woodfall
# Modified and now maintained by B. Watson <urchlay@slackware.uk>
# 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.

# 20260724 bkw:
# - take over maintenance.
# - add the datestamp to VERSION.

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

PRGNAM=ed-v6
VERSION=${VERSION:-20180309_c72c0e9}
SRCVERSION=${SRCVERSION:-c72c0e9445af26bd9fde2d39da5628e6dabf36dd}
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 [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$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

STRIP=${STRIP:-yes}
[ "$M32" = "yes" ] && M32="-m32" || unset M32
[ "$STATIC" = "yes" ] && STATIC="-static" || unset STATIC

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$SRCVERSION
tar xvf $CWD/$PRGNAM-$SRCVERSION.tar.gz
cd $PRGNAM-$SRCVERSION
chown -R root:root .
find . ! -type l    -a \
  \(     -perm /111 -a ! -perm 755 -a -exec chmod -f 755 {} + \) -o \
  \(   ! -perm /111 -a ! -perm 644 -a -exec chmod -f 644 {} + \)

CFLAGS="$SLKCFLAGS" \
  gcc $M32 $STATIC -Os -ansi -w -D_XOPEN_SOURCE=500 -o ed-v6 ed.c

install -D -m 0755 ed-v6 $PKG/usr/bin/ed-v6

if [ "$STRIP" = "yes" ]; then
  strip --strip-unneeded 2>/dev/null $PKG/usr/bin/ed-v6
fi

PKGDOC=$PKG/usr/doc/$PRGNAM-$VERSION
mkdir -p $PKGDOC
cp -a README.md ed.c ed.c.orig $PKGDOC
cat $CWD/$PRGNAM.SlackBuild > $PKGDOC/$PRGNAM.SlackBuild

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

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