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

# tar.SlackBuild
# by Stuart Winter <mozes@slackware.com> for the Slackware porting Project.
# Heavily based on the original Slackware build script.
# 21-May-2004
#
# Copyright 2008, 2009  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.

# 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 and re-create temporary directories

# Create some package framework:
mkdir -p $PKG/bin $PKG/usr/{doc/$PKGNAM-$VERSION,man/man{1,8}}

# Compile tar-1.13.  This is used by pkgtools.
cd $TMPBUILD
tar xvvf $CWD/tar-1.13.tar.!(*sign|*asc|*sig)
cd tar-1.13 || exit 1
slackhousekeeping
zcat $CWD/tar-1.13.bzip2.diff.gz | patch -p1 --verbose || failpatch
# The original config.{guess,sub} do not work on x86_64
cp -p --verbose /usr/share/libtool/build-aux/config.{guess,sub} .

# Configure:
FORCE_UNSAFE_CONFIGURE=1 \
CFLAGS="$SLKCFLAGS" \
./configure \
   --prefix=/usr \
   --disable-nls \
   --host=${SLK_ARCH_HOST} \
   --build=${SLK_ARCH_BUILD} || failconfig
make $NUMJOBS || make || failmake
install -vpm755 src/tar $PKG/bin/tar-1.13

# Build the newest tar:
cd $TMPBUILD
tar xvvf $CWD/tar-$VERSION.tar.!(*sign|*asc|*sig)
cd $PKGNAM-$VERSION || exit 1
slackhousekeeping

# The "A lone zero block at %s" messages also cause problems:
zcat $CWD/tar.nolonezero.diff.gz | patch -p1 --verbose || exit 1

# Patch for glibc-2.19:
sed -i -e '/gets is a/d' gnu/stdio.in.h || exit 1

# Patch for CVE-2022-48303:
zcat $CWD/CVE-2022-48303.patch.gz | patch -p1 --verbose || exit 1

# Configure:
FORCE_UNSAFE_CONFIGURE=1 \
CFLAGS="$SLKCFLAGS" \
./configure \
   --prefix=/usr \
   --mandir=/usr/man \
   --docdir=/usr/doc/$PKGNAM-$VERSION \
   --infodir=/usr/info \
   --enable-backup-scripts \
   --build=${SLK_ARCH_BUILD} || failconfig

# Build:
make $NUMJOBS || make || failmake

# Install into package:
make install DESTDIR=$PKG || failinstall
mv $PKG/usr/bin/tar $PKG/bin
( cd $PKG/usr/bin && ln -sf ../../bin/tar . )
( cd $PKG/bin     && ln -sf tar tar-$VERSION )

# Support "historic" rmt locations:
mkdir -p $PKG/{etc,sbin}
( cd $PKG/etc
  ln -vsf /usr/libexec/rmt .
  cd $PKG/sbin
  ln -vsf /usr/libexec/rmt . )

# Install docs:
cp -fav \
   AUTHORS COPYING* NEWS PORTS README* THANKS TODO \
   $PKG/usr/doc/$PKGNAM-$VERSION

# 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
slackmp         # run makepkg -l y -c n

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