#!/bin/bash

# Copyright 2008, 2009, 2010, 2012, 2017, 2018  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=xfsprogs
VERSION=${VERSION:-$(echo xfsprogs-*.tar.xz | rev | cut -f 3- -d . | cut -f 1 -d - | rev)}
BUILD=${BUILD:-1}

NUMJOBS=${NUMJOBS:-" -j$(expr $(nproc) + 1) "}

# 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-xfsprogs

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "s390" ]; then
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

rm -rf $PKG
mkdir -p $TMP $PKG

cd $TMP
rm -rf xfsprogs-$VERSION
tar xvf $CWD/xfsprogs-$VERSION.tar.xz || exit 1
cd xfsprogs-$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 {} \+

## Make sure you have the same version of autoconf as the
## developers did...  ;-)
#autoconf

CFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --libdir=/lib${LIBDIRSUFFIX} \
  --libexecdir=/usr/lib${LIBDIRSUFFIX} \
  --sbindir=/sbin \
  --bindir=/usr/sbin \
  --datadir=/usr/share \
  --mandir=/usr/man \
  --docdir=/usr/doc/xfsprogs-$VERSION \
  --enable-shared=yes \
  --enable-gettext=yes \
  --build=$ARCH-slackware-linux || exit 1

make $NUMJOBS || make || exit 1
make install DIST_ROOT=$PKG || exit 1
make install-dev DIST_ROOT=$PKG || exit 1

mv $PKG/usr/share/doc $PKG/usr
mv $PKG/usr/doc/xfsprogs $PKG/usr/doc/xfsprogs-$VERSION
#It would be nice to keep the same timestamps that the files have in the source:
cp -a README doc/COPYING doc/CREDITS doc/PORTING \
  $PKG/usr/doc/xfsprogs-$VERSION

rm -f $PKG/usr/doc/xfsprogs-$VERSION/CHANGES.gz

# 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 doc/CHANGES ]; then
  DOCSDIR=$(echo $PKG/usr/doc/*-$VERSION)
  cat doc/CHANGES | head -n 1000 > $DOCSDIR/CHANGES
  touch -r doc/CHANGES $DOCSDIR/CHANGES
fi

# The install location for many binaries changed with the update to 3.1.1,
# but it seems like the wrong place to put most of this stuff:
mkdir -p $PKG/usr/sbin
mv $PKG/sbin/xfs_* $PKG/usr/sbin
mv $PKG/usr/sbin/xfs_repair $PKG/sbin

# Remove bogus files:
rm -f $PKG/lib${LIBDIRSUFFIX}/*.a $PKG/lib${LIBDIRSUFFIX}/*.so \
  $PKG/lib${LIBDIRSUFFIX}/*.la $PKG/usr/lib${LIBDIRSUFFIX}/*.la
# Make /usr/lib/libhandle.so a symlink to /lib/libhandle.so.1:
if [ -f $PKG/lib${LIBDIRSUFFIX}/libhandle.so.1 ]; then
  mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}
  ( cd $PKG/usr/lib${LIBDIRSUFFIX}
    rm -f libhandle.so
    ln -sf /lib${LIBDIRSUFFIX}/libhandle.so.1 libhandle.so
  )
else
  exit 1
  # and fix your script!  ;-)
fi
# Fix shared library perms:
chmod 755 $PKG/lib${LIBDIRSUFFIX}/*

# Strip libraries:
find $PKG | xargs file | grep -e "executable" -e "shared object" | grep ELF \
  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
strip -g $PKG/usr/lib${LIBDIRSUFFIX}/*.a

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

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