#!/bin/bash

# Slackware build script for wipefreespace
# Copyright 2026 Patrick Verner
# 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.

# Build deps: e2fsprogs, ntfs-3g, xfsprogs, reiser4progs, libaal, libtffs

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

PRGNAM=wipefreespace
VERSION=${VERSION:-3.0}
BUILD=${BUILD:-1}
TAG=${TAG:-_pmagic}
PKGTYPE=${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 [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$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 xvf $CWD/$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 \
 \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
 -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \+

# Enable: ext2/3/4, NTFS, XFS, Reiser4, FAT (auto-detected)
# Disable: MinixFS (needs libminixfs), JFS (needs libjfs dev),
#          HFS+ (needs patched libhfsp), OCFS (needs libocfs2),
#          ReiserFSv3 (no dev headers on Slack)
# libtffs headers are under /usr/include/tffs to avoid dirent.h conflict
CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
CPPFLAGS="-I/usr/include/tffs" \
./configure \
  --prefix=/usr \
  --mandir=/usr/man \
  --disable-MINIX \
  --disable-JFS \
  --disable-HFSP \
  --disable-OCFS \
  --disable-REISERFS \
  --disable-REISER4 \
  --enable-FAT \
  --disable-LIBHIDEIP \
  --disable-LIBNETBLOCK

make -j12
make install DESTDIR=$PKG

find $PKG/usr/man -type f -name "*.?" -exec gzip -9 {} \+ 2>/dev/null || true
find $PKG/usr/man -type l 2>/dev/null | while read f; do
  ln -sf $(readlink "$f").gz "$f".gz; rm "$f"
done

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

# Remove info dir if present (don't clobber system info/dir)
rm -f $PKG/usr/info/dir

# Compress info pages if present
find $PKG/usr/info -type f -name "*.info*" -exec gzip -9 {} \+ 2>/dev/null || true

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a \
  AUTHORS COPYING ChangeLog INSTALL-WFS.txt NEWS README THANKS \
  $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$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