#!/bin/bash

# Copyright 2008, 2009, 2010, 2011, 2018, 2021  Patrick J. Volkerding, Sebeka, MN, USA
# 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)

PKGNAM=jfsutils
VERSION=${VERSION:-$(echo $PKGNAM-*.tar.?z* | rev | cut -f 3- -d . | cut -f 1 -d - | rev)}
BUILD=${BUILD:-4}

# Automatically determine the architecture we're building on:
if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) export ARCH=i586 ;;
    arm*) export ARCH=arm ;;
    # Unless $ARCH is already set, use uname -m for all other archs:
       *) export ARCH=$( uname -m ) ;;
  esac
fi

# If the variable PRINT_PACKAGE_NAME is set, then this script will report what
# the name of the created package would be, and then exit. This information
# could be useful to other scripts.
if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PKGNAM-$VERSION-$ARCH-$BUILD.txz"
  exit 0
fi

TMP=${TMP:-/tmp}
PKG=$TMP/package-jfsutils

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686 -fcommon"
elif [ "$ARCH" = "s390" ]; then
  SLKCFLAGS="-O2 -fcommon"
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC -fcommon"
fi

rm -rf $PKG
mkdir -p $TMP $PKG
cd $TMP
rm -rf jfsutils-$VERSION
tar xvf $CWD/jfsutils-$VERSION.tar.?z* || exit 1
cd jfsutils-$VERSION || exit 1
chown -R root:root .
find . \
  \( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 \) \
  -exec chmod 755 {} \+ -o \
  \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
  -exec chmod 644 {} \+

# Fix build with recent glibc:
sed "s@<unistd.h>@&\n#include <sys/types.h>@g" -i fscklog/extract.c
zcat $CWD/jfsutils.glibc228.diff.gz | patch -p1 --verbose || exit 1
zcat $CWD/jfsutils.inttypes.h.diff.gz | patch -p1 --verbose || exit 1

CFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --disable-dependency-tracking \
  --build=$ARCH-slackware-linux || exit 1

make || exit 1

mkdir -p $PKG/sbin
cat fsck/jfs_fsck > $PKG/sbin/jfs_fsck
( cd $PKG/sbin ; ln -sf jfs_fsck fsck.jfs )
cat mkfs/jfs_mkfs > $PKG/sbin/jfs_mkfs
( cd $PKG/sbin ; ln -sf jfs_mkfs mkfs.jfs )
cat logdump/jfs_logdump > $PKG/sbin/jfs_logdump
cat fscklog/jfs_fscklog > $PKG/sbin/jfs_fscklog
cat xpeek/jfs_debugfs > $PKG/sbin/jfs_debugfs
cat tune/jfs_tune > $PKG/sbin/jfs_tune
chmod 755 $PKG/sbin/*

mkdir -p $PKG/usr/man/man8
for file in `find . -name "*.8"` ; do
  cat $file | gzip -9c > $PKG/usr/man/man8/`basename $file`.gz
done
( cd $PKG/usr/man/man8
  ln -sf jfs_fsck.8.gz fsck.jfs.8.gz
  ln -sf jfs_mkfs.8.gz mkfs.jfs.8.gz
)

mkdir -p $PKG/usr/doc/jfsutils-$VERSION
cp -a \
  AUTHORS COPYING* NEWS README \
  $PKG/usr/doc/jfsutils-$VERSION

# If there's a ChangeLog, installing at least part of the recent history
# is useful, but don't let it get totally out of control:
if [ -r ChangeLog ]; then
  DOCSDIR=$(echo $PKG/usr/doc/*-$VERSION)
  cat ChangeLog | head -n 1000 > $DOCSDIR/ChangeLog
  touch -r ChangeLog $DOCSDIR/ChangeLog
fi

( cd $PKG
  find . | xargs file | grep "executable" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
  find . | xargs file | grep "shared object" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
)

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

cd $PKG
/sbin/makepkg -l y -c n $TMP/jfsutils-$VERSION-$ARCH-$BUILD.txz