#!/bin/bash
# Copyright 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2018, 2024  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.

# Set initial variables:
PARCH="noarch"
cd $(dirname $0) ; CWD=$(pwd)
if [ "$TMP" = "" ]; then
  TMP=/tmp
fi
PKG=$TMP/package-pkgtools

PKGNAM=pkgtools
# *** UPDATE THESE WITH EACH BUILD:
VERSION=15.1
ARCH=${ARCH:-noarch}
BUILD=${BUILD:-22}

# 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-$VERSION-$PARCH-$BUILD.txz"
  exit 0
fi

if [ ! -d $TMP ]; then
  mkdir -p $TMP # location to build the source
fi
rm -rf $PKG
mkdir -p $PKG

# Install Slackware script manpages:
( cd $CWD/manpages
  mkdir -p $PKG/usr/man/man8
  for page in explodepkg.8 installpkg.8 makepkg.8 upgradepkg.8 pkgdiff.8 \
    pkgtool.8 removepkg.8 ; do
    cat $page | gzip -9c > $PKG/usr/man/man8/$page.gz
  done
)

# Install internationalized manpages from
# http://slint.fr/forSlackware/man_l10n/pkgtools/
( cd $PKG/usr/man
  tar xf $CWD/manpages-l10n.tar.xz
  for page in manpages-l10n/* ; do
    manpage=$(basename $page)
    mkdir -p ${manpage%%.*}/man8
    mv $page ${manpage%%.*}/man8/${page#*.}.8
  done
  gzip -9 */man8/*.8
  rmdir manpages-l10n
)

# Install Slackware scripts:
( cd $CWD/scripts
  # Install the core Slackware package tools:
  mkdir -p $PKG/sbin
  # Don't include makebootdisk...  it's useless since a kernel won't fit on a
  # floppy disk, and nobody uses floppies any more anyway.
  for file in explodepkg installpkg makepkg pkgdiff pkgtool removepkg upgradepkg ; do
    cp -a $CWD/scripts/$file $PKG/sbin
  done
  chown root:root $PKG/sbin/*
  chmod 755 $PKG/sbin/*
  # These scripts are used during the installation:
  mkdir -p $PKG/var/lib/pkgtools/setup/tmp
  chmod 700 $PKG/var/lib/pkgtools/setup/tmp
  for file in setup.* ; do
    cp -a $file $PKG/var/lib/pkgtools/setup
  done
  chown root:root $PKG/var/lib/pkgtools/setup/setup.*
  chmod 755 $PKG/var/lib/pkgtools/setup/setup.*
  # Add a link for makebootstick:
  ( cd $PKG/sbin ; ln -sf ../var/lib/pkgtools/setup/setup.80.make-bootdisk makebootstick )
  # Make customized default configuration for xz in makepkg:
  ( cd $PKG/sbin
    if [ `readelf -h /usr/bin/readelf|grep -c 80386` -gt 0 ] ; then
      # x86 do not set ARCH environment, force it
      ARCH="i586"
    fi
    if [ "x$ARCH" != "x" ] ; then
      # Single-thread consumes less memory and compress better:
      zcat $CWD/single_thread.diff.gz | patch -p0 --verbose || exit 1
    fi
    if [ "$ARCH" = "arm" -o "$ARCH" = "ppc" -o "$ARCH" = "mips" -o "$ARCH" = "mipsel" -o "$ARCH" = "or1k" -o "$ARCH" = "hppa" -o "$ARCH" = "sh4" -o "ARCH" = "sparc" -o "$ARCH" = "i586" -o "$ARCH" = "riscv64" ] ; then
      # For small-systems, force the compression to -4 (5MB memory for decompression):
      zcat $CWD/low_memory.diff.gz | patch -p0 --verbose || exit 1
    fi
  )
  # Add the make-kernel backup script:
  mkdir -p $PKG/boot
  cp -a $CWD/scripts/make-kernel-backup $PKG/boot
  chown root:root $PKG/boot/make-kernel-backup
  chmod 755 $PKG/boot/make-kernel-backup
  # Symlink it into the $PATH:
  mkdir -p $PKG/usr/sbin
  ( cd $PKG/usr/sbin ; ln -sf /boot/make-kernel-backup . )
)

# Create the base directories (not really necessary, but doesn't hurt):
mkdir -p $PKG/var/lib/pkgtools/{packages,scripts,douninst.sh}
mkdir -p $PKG/var/log/pkgtools/{removed_packages,removed_scripts}

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
zcat $CWD/doinst.sh.gz > $PKG/install/doinst.sh

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

echo
echo "HEY -- did you remember to update the version numbers in the setup scripts?"
echo