#!/bin/bash

# Copyright 2008, 2009, 2010, 2011, 2012, 2015, 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=subversion
VERSION=${VERSION:-$(echo subversion-*.tar.?z* | rev | cut -f 3- -d . | cut -f 1 -d - | rev)}
BUILD=${BUILD:-2}

# 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

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

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

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

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

cd $TMP
rm -rf subversion-$VERSION
tar xvf $CWD/subversion-$VERSION.tar.?z* || exit 1
cd subversion-$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 {} \+

if [ "$VERSION" = "1.12.0" ]; then
  # Workaround for building with apr-1.7.0:
  export svn_cv_pycfmt_apr_int64_t="L"
fi

CFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --with-apache-libexecdir=/usr/lib${LIBDIRSUFFIX}/httpd/modules \
  --mandir=/usr/man \
  --docdir=/usr/doc/subversion-$VERSION \
  --enable-shared \
  --disable-static \
  --with-apr=/usr \
  --with-apr-util=/usr \
  --with-apxs=/usr/bin/apxs \
  --with-lz4=internal \
  --with-zlib=/usr \
  --with-pic \
  --with-kwallet \
  --build=$ARCH-slackware-linux || exit 1

make $NUMJOBS || make || exit 1
make install DESTDIR=$PKG || exit 1
make install-tools DESTDIR=$PKG || exit 1
make install-docs DESTDIR=$PKG || exit 1

# Install python bindings
make swig-py || exit 1
make install-swig-py DESTDIR=$PKG || exit 1
PYTHON_VER=$(python -c 'import sys; print "%d.%d" % sys.version_info[:2]')
mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/python${PYTHON_VER}/site-packages
mv $PKG/usr/lib${LIBDIRSUFFIX}/svn-python/* \
  $PKG/usr/lib${LIBDIRSUFFIX}/python${PYTHON_VER}/site-packages
rmdir $PKG/usr/lib${LIBDIRSUFFIX}/svn-python

# Perl bindings
make swig-pl-lib || exit 1
make install-swig-pl-lib DESTDIR=$PKG || exit 1
( cd subversion/bindings/swig/perl/native
  perl Makefile.PL
  make install_vendor DESTDIR=$PKG || exit 1
) || exit 1
eval $(perl '-V:archlib')
mv $PKG/$archlib/perllocal.pod $PKG/$archlib/subversion.pod

# Ruby bindings
make swig-rb || exit 1
make install-swig-rb DESTDIR=$PKG || exit 1

# Don't ship .la files:
rm -f $PKG/{,usr/}lib${LIBDIRSUFFIX}/*.la

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

# Remove rpaths:
for file in $(find $PKG | xargs file | grep -e "executable" -e "shared object" | grep ELF | cut -f 1 -d : 2> /dev/null) ; do
  if [ ! "$(patchelf --print-rpath $file 2> /dev/null)" = "" ]; then
    patchelf --remove-rpath $file
  fi
done

rm -rf $PKG/usr/info
# Something doesn't honor --mandir
mv $PKG/usr/share/man/man3 $PKG/usr/man
gzip -9 $PKG/usr/man/man?/*
rmdir $PKG/usr/share/man

# What is this junk for?  Since I don't know, I'll erase it.  :-)
rm -rf $PKG/usr/build

mkdir -p $PKG/usr/doc/subversion-$VERSION
cp -a \
  BUGS COMMITTERS COPYING* HACKING INSTALL README TRANSLATING doc \
  $PKG/usr/doc/subversion-$VERSION
# too big && useless for most || if you think not, can be found in the source tarball
rm -rf $PKG/usr/doc/subversion-$VERSION/doc/tools
# Add the HTML svn book:
( cd $PKG/usr/doc/subversion-$VERSION
  tar xf $CWD/svn-book-html.tar.bz2
  mv svn-book-html book
  cd book
  chown -R root:root .
  find . -type d -exec chmod 0755 {} \+
  find . -type f -exec chmod 0644 {} \+
  find . -perm 2755 -exec chmod 0755 {} \+
  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 {} \+
)

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

# This removes our DESTDIR from the packlist filenames, to keep perl's
# internal inventories consistent and correct.
find $PKG -name .packlist | while read plist ; do
  sed  -e "s%$PKG%%g" \
       -e "s%/share/man%/man%g" \
      -re "s%\.([1-9]n?|3pm)$%&.gz%g   # extend man filenames for .gz" \
      ${plist} > ${plist}.new
      mv -f ${plist}.new ${plist}
done

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

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