#!/bin/bash
ulimit -s unlimited
shopt -s extglob

# xscreensaver.SlackBuild
# Heavily based on the original Slackware build scripts,
# Modified by Stuart Winter <mozes@slackware.com>
# 22-Jan-2005
#
# Copyright 2008, 2009, 2010, 2012, 2013, 2014, 2016  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.

# Record toolchain & other info for the build log:
slackbuildinfo

# Paths to skeleton port's source & real Slackware source tree:
slackset_var_cwds

# Temporary build locations:
export TMPBUILD=$TMP/build-$PKGNAM
export PKG=$TMP/package-$PKGNAM
mkpkgdirs # Delete & re-create temporary directories then cd into $TMPBUILD

# Extract source:
tar xvvf $CWD/$PKGNAM-$VERSION.tar.!(*sign|*asc|*sig)
cd $PKGNAM-$VERSION || exit 1
slackhousekeeping

if [ -L /lib${LIBDIRSUFFIX}/libpam.so.? ]; then
   USE_PAM="--with-pam"
   unset USE_SHADOW
else
   # Allow xscreensaver to work setgid shadow.  I'd rather avoid requiring
   # setuid root on this if at all possible...
   #zcat $CWD/xscreensaver.setuid.diff.gz | patch -p1 --verbose --backup --suffix=.orig || exit 1
   unset USE_PAM
   USE_SHADOW="--with-shadow"
fi

# Apply patches:
# Add support for the electricsheep distributed screensaver:
zcat $CWD/xscreensaver.electricsheep.diff.gz | patch -p1 --verbose --backup --suffix=.orig || exit 1

# Remove a feature that pops up a nag screen claiming the version is old
# after one year.  Just don't send in bug reports on an old version, OK folks?
# I hate to swim against upstream, but with all respect this feature is not
# helpful to distributions.
zcat $CWD/xscreensaver.no.expiration.date.diff.gz | patch -p1 --verbose --backup --suffix=.orig || exit 1

# Make xsublim (not included in the package but is in the 'hacks' directory)
# use phrases rather than words:
( cd hacks
  zcat $PORTCWD/sources/xsublim-phrases.patch.gz | patch --verbose -p0
#  # Add Novell Snake: not yet because it's ancient and needs love.
#  tar xvvf $PORTCWD/sources/xscreensaver-loadsnake.tar.!(*sign|*asc|*sig)
#  mv -fv xscreensaver-loadsnake/* . || exit 1
) || exit 1

# Disable marbling on AArch64 because it won't build.
#[ "${SLKPORTARCH}" = "aarch64" ] && sed -i 's@marbling binaryhorizon@binaryhorizon@' hacks/Makefile.in || failpatch

# Configure:
xml_config=/usr/bin/xml-config \
xml2_config=/usr/bin/xml2-config \
CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
   --prefix=/usr \
   --mandir=/usr/man \
   --libdir=/usr/lib${LIBDIRSUFFIX} \
   --with-app-defaults=/etc/X11/app-defaults \
   --with-text-file=/usr/doc/netdate/COPYRIGHT \
   $USE_SHADOW \
   $USE_PAM \
   --without-kerberos \
   --with-jpeg \
   --with-gl \
   --build=${SLK_ARCH_BUILD} || failconfig

# Build:
make $NUMJOBS || make || exit 1

# Install into package:
make install_prefix=$PKG install-strip || exit 1

# This is needed for the menus:
mkdir -p $PKG/usr/share/pixmaps
mkdir -p $PKG/etc

# Install docs:
mkdir -p $PKG/usr/doc/$PKGNAM-$VERSION
cp -a README* \
      $PKG/usr/doc/$PKGNAM-$VERSION

# Insert an older version of xscreensaver-getimage-file to avoid depending
# on libwww-perl.  Maybe we'll eventually add this, but bundling 14 perl
# modules is a lot of maintainance just to get slidescreen working again.
# This restores the functionality that we had before without all that.
cat $CWD/xscreensaver-getimage-file-5.14 > $PKG/usr/bin/xscreensaver-getimage-file

# Apply generic Slackware packaging policies:
cd $PKG
slackstripall   # strip all .a archives and all ELFs
slack_delete_lafiles # delete usr/lib{,64}/*.la
#slackstriprpaths     # strip rpaths
slackgzpages -i # compress man & info pages and delete usr/info/dir
slackslack      # chown -R root:root, chmod -R og-w, slackchown, slack644docs
slackdesc       # install slack-desc and doinst.sh

if [ -z $USE_PAM ]; then
   # Needed for password unlock:
   chown root:shadow $PKG/usr/bin/xscreensaver
   chmod 2751 $PKG/usr/bin/xscreensaver
 else
   # No special perms needed with PAM:
   ## Commenting out the chmod below, since as of v6.00 this binary is no longer
   ## made setuid at installation. But if that changes, we'll go along with it
   ## since jwz says it may be required to prevent OOM killer abuse from
   ## unlocking the screen.
   #chmod 755 $PKG/usr/bin/xscreensaver
   mkdir -p $PKG/etc/pam.d
   install -vpm644 $CWD/xscreensaver.pam $PKG/etc/pam.d/xscreensaver.new
fi

slackmp         # run makepkg -l y -c n

# Perform any final checks on the package:
cd $PKG
slackhlinks     # search for any hard links