#!/bin/bash

# Copyright 2008, 2009, 2010, 2013, 2018  Patrick J. Volkerding, Sebeka, Minnesota, 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=dmapi
VERSION=2.2.12
BUILD=${BUILD:-5}

# 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-$(echo $VERSION | tr - _ )-$ARCH-$BUILD.txz"
  exit 0
fi

if [ "$ARCH" = "x86_64" ]; then
  LIBDIRSUFFIX="64"
else
  LIBDIRSUFFIX=""
fi

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

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

cd $TMP
rm -rf dmapi-$(echo $VERSION | cut -f 1 -d '-')
tar xvf $CWD/dmapi-$VERSION.tar.?z* || exit 1
cd dmapi-$(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 {} \+

# Thanks, Debian
zcat $CWD/bug799162.patch.gz | patch -p1 --verbose || exit 1

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

./configure \
  --prefix=/ \
  --exec-prefix=/ \
  --sbindir=/bin \
  --bindir=/usr/bin \
  --libdir=/lib${LIBDIRSUFFIX} \
  --libexecdir=/usr/lib${LIBDIRSUFFIX} \
  --includedir=/usr/include \
  --mandir=/usr/man \
  --datadir=/usr/share || exit 1

make || exit 1
make install DESTDIR=$PKG || exit 1
make install-dev DESTDIR=$PKG || exit 1

mv $PKG/usr/share/doc $PKG/usr
( cd $PKG/usr/doc ; mv dmapi dmapi-$VERSION )
#It would be nice to keep the same timestamps that the files have in the source:
rm -rf $PKG/usr/doc/dmapi-$VERSION/ea-conv
cp -a \
  README doc/COPYING doc/PORTING doc/ea-conv \
  $PKG/usr/doc/dmapi-$VERSION

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

# Remove bogus files:
rm -f $PKG/lib${LIBDIRSUFFIX}/*.a $PKG/lib${LIBDIRSUFFIX}/libdm.so $PKG/lib${LIBDIRSUFFIX}/*.la $PKG/usr/lib${LIBDIRSUFFIX}/*.la
# Make /usr/lib/libdm.so a symlink to /lib:
if [ -f $PKG/lib${LIBDIRSUFFIX}/libdm.so.0 ]; then
  ( cd $PKG/usr/lib${LIBDIRSUFFIX} ; rm -f libdm.so ; ln -sf /lib${LIBDIRSUFFIX}/libdm.so.0 libdm.so )
else
  exit 1
  echo "and fix yer script!!!"
  # and fix yer script!!!
fi
# Fix shared library perms:
chmod 755 $PKG/lib${LIBDIRSUFFIX}/*

# Gzip the man pages:
( cd $PKG/usr/man
  for i in $(find . -type l) ; do ln -s $(readlink $i).gz $i.gz ; rm $i ; done
  gzip -9 */*.?
)

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

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