#!/bin/sh

# Copyright 2005-2009  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.

VERSION=3.1
ARCH=${ARCH:-i486}
BUILD=${BUILD:-2}

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

if [ "$ARCH" = "i386" ]; then
  SLKCFLAGS="-O2 -march=i386 -mcpu=i686"
elif [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
elif [ "$ARCH" = "s390" ]; then
  SLKCFLAGS="-O2"
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
fi

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

# Determine bash patchlevel:
PATCHLEVEL=`( cd $CWD/patches ; /bin/ls *gz | tail -1 | cut -f 2 -d - | cut -f 1 -d . 2> /dev/null )`
if [ "$PATCHLEVEL" = "" ]; then
  PATCHLEVEL=0
fi

cd $TMP
rm -rf bash-$VERSION
tar xzvf $CWD/bash-$VERSION.tar.gz || exit 1
cd bash-$VERSION
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 {} \;

for patch in $CWD/patches/bash* ; do
  zcat $patch | patch -p0 --verbose || exit 1
done
CFLAGS="$SLKCFLAGS" \
./configure --prefix=/usr $ARCH-slackware-linux
make -j3 || exit 1
make install DESTDIR=$PKG
mkdir -p $PKG/bin
mv $PKG/usr/bin/bash $PKG/bin/bash2.new
strip --strip-unneeded $PKG/bin/bash2.new
# We don't include the "bashbug" script.
rm -rf $PKG/usr/bin $PKG/usr/man/man1/bashbug.1
gzip -9 $PKG/usr/man/man1/*
mkdir -p $PKG/usr/doc/bash-$VERSION
cp -a AUTHORS CHANGES COMPAT COPYING INSTALL MANIFEST NEWS NOTES \
  README Y2K doc/FAQ doc/INTRO $PKG/usr/doc/bash-$VERSION
cd doc
groff -ms -Tascii article.ms > $PKG/usr/doc/bash-$VERSION/article.txt
# bash.1 is already installed by "make install"
for page in builtins.1 rbash.1 ; do
  cat $page | gzip -9c > $PKG/usr/man/man1/$page.gz
done
rm -f $PKG/usr/info/dir
gzip -9 $PKG/usr/info/*
mkdir -p $PKG/install
zcat $CWD/doinst.sh.gz > $PKG/install/doinst.sh
cat $CWD/slack-desc > $PKG/install/slack-desc

# Build the package:
cd $PKG
makepkg -l y -c n $TMP/bash-$VERSION.$PATCHLEVEL-$ARCH-$BUILD.txz

# Clean up the extra stuff:
if [ "$1" = "--cleanup" ]; then
  rm -rf $TMP/bash-$VERSION
  rm -rf $PKG
fi