#!/bin/bash

# Copyright 2010  Binh Nguyen <email removed>.
# 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.

# 20260630 bkw:
# - take over maintenance.
# - update to latest Debian patchset (their -9, our 0.20_9).
# - add man pages (also from Debian, thanks).
# - actually use SLKCFLAGS.

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

PRGNAM=recoverdm
VERSION=${VERSION:-0.20_9}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

SRCVER=$( echo $VERSION | cut -d_ -f1 )
DEBVER=$( echo $VERSION | cut -d_ -f2 )

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 [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
elif [ "$ARCH" = "aarch64" ]; then
  SLKCFLAGS="-O2 -fPIC"
else
  SLKCFLAGS="-O2"
fi

set -e

PKGMAN1=$PKG/usr/man/man1
PKGDOC=$PKG/usr/doc/$PRGNAM-$VERSION
PKGBIN=$PKG/usr/bin

rm -rf $PKG
mkdir -p $TMP $OUTPUT $PKGMAN1 $PKGDOC $PKGBIN
cd $TMP
rm -rf $PRGNAM-$SRCVER
tar xvf $CWD/$PRGNAM-$SRCVER.tgz
cd $PRGNAM-$SRCVER
tar xvf $CWD/${PRGNAM}_$SRCVER-${DEBVER}.debian.tar.xz

chown -R root:root .
find . ! -type l    -a \
  \(     -perm /111 -a ! -perm 755 -a -exec chmod -f 755 {} + \) -o \
  \(   ! -perm /111 -a ! -perm 644 -a -exec chmod -f 644 {} + \)

# 20260630 bkw: this has been unmaintained upstream for years, but the
# Debian maintainers have done a good job of keeping it up to date.
for i in $( cat debian/patches/series ); do
  patch -p1 < debian/patches/$i
done

# 20260630 bkw: actually use our flags
sed -i "/^CFLAGS/s,-O2,$SLKCFLAGS," Makefile
make

for i in recoverdm mergebad; do
  install -s -Dm 0755 $i $PKGBIN/$i
  gzip < debian/manpage/$i.1 > $PKGMAN1/$i.1.gz
done

mkdir -p $PKGDOC
cp -a license.txt readme.txt $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