#!/bin/sh

# Copyright 2008, 2009, 2010  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.


VERSION=${VERSION:-$(echo module-init-tools-*.tar.?z* | cut -d - -f 4 | rev | cut -f 3- -d . | rev)}
BUILD=${BUILD:-1}

NUMJOBS=${NUMJOBS:--j7}

# Automatically determine the architecture we're building on:
if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) export ARCH=i486 ;;
    arm*) export ARCH=arm ;;
    # Unless $ARCH is already set, use uname -m for all other archs:
       *) export ARCH=$( uname -m ) ;;
  esac
fi

CWD=$(pwd)
TMP=${TMP:-/tmp}
PKG=$TMP/package-module-init-tools

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

cd $TMP
rm -rf module-init-tools-$VERSION
tar xvf $CWD/module-init-tools-$VERSION.tar.?z* || exit 1
cd module-init-tools-$VERSION || exit 1
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 {} \;

# Exclude *.{old,new,bak} files (and a few others that obviously aren't
# valid for this...  Thanks to Marco d'Itri for the patch that it's based on
zcat $CWD/modprobe.ignore_some_suffixes.diff.gz | patch -p1 || exit 1

# Using modprobe.conf still works, so don't whine about it,
# especially since there's nothing in /etc/modprobe.conf
# except for comments explaining not to use it.
zcat $CWD/modprobe.quit.whining.about.modprobe.conf.diff.gz | patch -p1 || exit 1

# Using --bindir=/sbin to make lsmod go there too
CFLAGS= \
./configure \
  --prefix=/ \
  --bindir=/sbin \
  --docdir=/usr/doc/module-init-tools-$VERSION \
  --mandir=/usr/man \
  --enable-zlib \
  --build=$ARCH-slackware-linux

make $NUMJOBS || make || exit 1
make install DESTDIR=$PKG || exit 1

# Create the config directory just in case
mkdir -p $PKG/etc/modprobe.d/

# Link lsmod into /bin
mkdir -p $PKG/bin
( cd $PKG/bin ; ln -sf /sbin/lsmod . )

# Compress manpages
( cd $PKG/usr/man
  find . -type f -exec gzip -9 {} \;
  for i in $(find . -type l) ; do ln -s $(readlink $i).gz $i.gz ; rm $i ; done
)

find $PKG | xargs file | grep -e "executable" -e "shared object" | grep ELF \
  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null

mkdir -p $PKG/usr/doc/module-init-tools-$VERSION
cp -a \
  AUTHORS CODING COPYING FAQ README TODO \
  $PKG/usr/doc/module-init-tools-$VERSION

# If there's a ChangeLog, installing at least part of the recent history
# is useful, but don't let it get totally out of control:
if [ -r ChangeLog ]; then
  DOCSDIR=$(echo $PKG/usr/doc/*-$VERSION)
  cat ChangeLog | head -n 1000 > $DOCSDIR/ChangeLog
  touch -r ChangeLog $DOCSDIR/ChangeLog
fi

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

cd $PKG
/sbin/makepkg -l y -c n $TMP/module-init-tools-$VERSION-$ARCH-$BUILD.txz