#!/bin/bash

# ksh93.SlackBuild
# Heavily based on the original Slackware build scripts,
# Modified by Stuart Winter <stuart@armedslack.org>
#
# Copyright 2001 BSDi, Inc. Concord, CA, USA
# Copyright 2004 Slackware Linux, Inc.  Concord, CA, USA
# Copyright 2007 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:
export CWD=$SLACKSOURCE/$PKGSERIES/$PKGNAM
export PORTCWD=$PWD

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

# Determine the CFLAGS for the known architectures:
case $PORTARCH in
   arm)     export SLKCFLAGS="-march=armv3 -mtune=xscale" ;;
   powerpc) export SLKCFLAGS="" ;;
   sparc)   export SLKCFLAGS="" ;;
   hppa)    export SLKCFLAGS="" ;;
   *)       export SLKCFLAGS="" ;;
esac

# Extract source:
mkdir -p ast-base/lib/package/tgz
cp -favv $CWD/*.tgz ast-base/lib/package/tgz
cd ast-base/
tar zxvvf lib/package/tgz/INIT.$VERSION.tgz

# Build:
bin/package read CC="gcc $SLKCFLAGS"
bin/package make SHELL=/bin/bash CC="gcc $SLKCFLAGS" || failmake

# Install into package:
mkdir -pm755 $PKG/bin
install -m755 arch/linux.$ARCH/bin/ksh $PKG/bin/ksh.new
mkdir -p $PKG/usr/man/man1
sed -e "s#\.nr Z 0#\.nr Z 1#g" src/cmd/ksh93/sh.1 > \
       $PKG/usr/man/man1/ksh.1

# Install locale files:
mkdir -p $PKG/usr/share
cp -fav share/lib/locale $PKG/usr/share
( cd $PKG/usr/share
  find . -type d -exec chmod 755 {} \;
  find . -type f -exec chmod 644 {} \; )
( cd $PKG/bin ; ln -vsf ksh rksh )
( cd $PKG/usr/man/man1 ; ln -vsf ksh.1.gz rksh.1.gz )

# Copy docs:
mkdir -p $PKG/usr/doc/$PKGNAM-$VERSION
( cd src/cmd/ksh93
  cp -fav COMPATIBILITY DESIGN OBSOLETE PROMO.mm README RELEASE* \
     $PKG/usr/doc/$PKGNAM-$VERSION )
( cd $TMPBUILD/ast-base
  mkdir -p $PKG/usr/doc/$PKGNAM-$VERSION/LICENSE
  cp -fav README $PKG/usr/doc/$PKGNAM-$VERSION/LICENSE
  cp -fav $CWD/CPL $PKG/usr/doc/$PKGNAM-$VERSION
  cp -fav lib/package/LICENSES/ast $PKG/usr/doc/$PKGNAM-$VERSION/LICENSE/LICENSE.ast )

# If necessary, start the fakeroot server so we can set file/dir ownerships:
start_fakeroot

# Apply generic Slackware packaging policies:
cd $PKG
slackstripall   # strip all .a archives and all ELFs
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

# Create post-installation script:
cat <<EOF >> $PKG/install/doinst.sh
# Backup the old copy if we find one, move the new one in place
if [ -f bin/ksh ]; then
   mv bin/ksh bin/ksh.old
fi
mv bin/ksh.new bin/ksh
if [ -f bin/ksh.old ]; then
  rm -f bin/ksh.old
fi

# Add entries to /etc/shells if we need them
if [ ! -r etc/shells ] ; then
   touch etc/shells
   chmod 644 etc/shells
fi

if ! grep -q "/bin/ksh" etc/shells ; then
   echo "/bin/ksh" >> etc/shells
fi
EOF

export VERSION="$( echo $VERSION | tr - _ )"
slackmp         # run makepkg -l y -c n

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