#!/bin/sh

# Copyright 2008, 2009, 2010, 2013, 2015  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.


VERSION=${VERSION:-$(echo xfsdump-*.tar.gz | rev | cut -f 3- -d . | cut -f 1 -d - | rev)}
BUILD=${BUILD:-2}

NUMJOBS=${NUMJOBS:-" -j7 "}

# 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

CWD=$(pwd)
TMP=${TMP:-/tmp}
PKG=$TMP/package-xfsdump

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

cd $TMP
rm -rf xfsdump-$(echo $VERSION | cut -f 1 -d '-')
tar xvf $CWD/xfsdump-$VERSION.tar.gz || exit 1
cd xfsdump-$(echo $VERSION | cut -f 1 -d '-') || 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...  ;-)
#autoreconf -vif

./configure \
  --prefix=/usr \
  --sbindir=/usr/sbin \
  --bindir=/usr/sbin \
  --enable-gettext=yes \
  --mandir=/usr/man \
  --datadir=/usr/share \
  --build=$ARCH-slackware-linux || exit 1

make $NUMJOBS || make || exit 1
make install DESTDIR=$PKG || exit 1

( cd $PKG/usr/sbin
  rm -f xfsdump xfsrestore
  ln -sf /sbin/xfsdump xfsdump
  ln -sf /sbin/xfsrestore xfsrestore
)

# 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

# Compress and if needed symlink the man pages:
if [ -d $PKG/usr/man ]; then
  ( cd $PKG/usr/man
    for manpagedir in $(find . -type d -name "man*") ; do
      ( cd $manpagedir
        for eachpage in $( find . -type l -maxdepth 1) ; do
          ln -s $( readlink $eachpage ).gz $eachpage.gz
          rm $eachpage
        done
        gzip -9 *.?
      )
    done
  )
fi

mv $PKG/usr/share/doc $PKG/usr
( cd $PKG/usr/doc ; mv xfsdump xfsdump-$VERSION )
cp -a \
  README doc/COPYING doc/CREDITS doc/PORTING \
  $PKG/usr/doc/xfsdump-$VERSION
mkdir -p $PKG/usr/doc/xfsdump-$VERSION/html
( cd doc
  cp -a *.gif *.html $PKG/usr/doc/xfsdump-$VERSION/html
)

rm -f $PKG/usr/doc/xfsdump-$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

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

cd $PKG
/sbin/makepkg -l y -c n $TMP/xfsdump-$(echo $VERSION | tr - _ )-$ARCH-$BUILD.txz

