#!/bin/bash

# Slackware build script for atop

# Written by Menno Duursma <druiloor@zonnet.nl>
# Modified by Robby Workman <rworkman@slackbuilds.org>
# Modified by Diogo Leal <diogo@diogoleal.com>
# Currently maintained by Willy Sudiarto Raharjo <willysr@slackbuilds.org>

# This program is free software. It comes without any warranty.
# Granted WTFPL, Version 2, as published by Sam Hocevar. See
# http://sam.zoy.org/wtfpl/COPYING for more details.

cd $(dirname $0) ; CWD=$(pwd)

PRGNAM=atop
VERSION=${VERSION:-2.8.0}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
  exit 0
fi

TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION.tar.gz
cd $PRGNAM-$VERSION
chown -R root:root .
find -L . \
 \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
  -o -perm 511 \) -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;

make CFLAGS="$SLKCFLAGS"

# Install the binary sgid utmp in order to allow accounting
install -D -o root -g utmp -m 2751 atop $PKG/usr/bin/atop
install -m 0755 atopacctd $PKG/usr/bin/atopacctd

install -D -m 0644 atop.init $PKG/etc/rc.d/rc.atop.new
sed -i "s|/usr/share/atop/atop.daily|/etc/atop/atop.daily|g" $PKG/etc/rc.d/rc.atop.new

mkdir -p $PKG/etc/{logrotate.d,atop}
install -m 0644 $CWD/psacct.logrotate $PKG/etc/logrotate.d/psacct.new
install -m 0755 atop.daily $PKG/etc/atop/atop.daily

mkdir -p $PKG/var/log/atop
touch $PKG/var/log/atop/dummy_{before,after}
# We'll create daily.log in doinst.sh so it doesn't get wiped on uninstall

# Create link to enable the 'atopsar' functionality
( cd $PKG/usr/bin ; ln -vsf atop atopsar )

find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true

mkdir -p $PKG/usr/man/man{1,5,8}
gzip -9c man/atop.1 > $PKG/usr/man/man1/atop.1.gz
gzip -9c man/atopsar.1 > $PKG/usr/man/man1/atopsar.1.gz
gzip -9c man/atoprc.5 > $PKG/usr/man/man5/atoprc.5.gz
gzip -9c man/atopacctd.8 > $PKG/usr/man/man8/atopacctd.8.gz

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a [A-Z][A-Z]* ChangeLog $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/README.SLACKWARE > $PKG/usr/doc/$PRGNAM-$VERSION/README.SLACKWARE
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

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

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE