#!/bin/bash
#  Copyright (C) 2010  Matías A. Fonzo, <selk@dragora.org>
#
#  This program is free software: you can redistribute it and/or modify
#  it under the terms of the GNU General Public License as published by
#  the Free Software Foundation, either version 3 of the License, or
#  (at your option) any later version.
#
#  This program is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU General Public License for more details.
#
#  You should have received a copy of the GNU General Public License
#  along with this program.  If not, see <http://www.gnu.org/licenses/>.

set -e

CWD=$(pwd)

TMP=${TMP:-/tmp/sources}
OUT=${OUT:-/tmp/packages}

V=${V:-2010o}
ARCH=${ARCH:-i486}
B=1

TZCODE=${TZCODE:-tzcode2010n}
TZDATA=${TZDATA:-tzdata2010o}

PKG=${TMP}/package-tzdatabase

rm -rf $PKG
mkdir -p $PKG $OUT

echo "Uncompressing the tarball..."
mkdir -p ${TMP}/tzdatabase-${V}
cd ${TMP}/tzdatabase-${V}
lzip -cd ${CWD}/$TZCODE.tar.lz | tar -xvf -
lzip -cd ${CWD}/$TZDATA.tar.lz | tar -xvf -

# Set sane ownerships and permissions:
chown -R 0:0 .
find . \
 \( -perm 2777 -o \
    -perm 777  -o \
    -perm 775  -o \
    -perm 711  -o \
    -perm 555  -o \
    -perm 511     \
 \) -exec chmod 755 {} + \
  -o \
 \( -perm 666 -o \
    -perm 664 -o \
    -perm 600 -o \
    -perm 444 -o \
    -perm 440 -o \
    -perm 400    \
 \) -exec chmod 644 {} +

zcat ${CWD}/Makefile.diff.gz | patch -p0 --verbose -b --suffix=.orig

# Determine the suffix for the libraries:
if [[ $ARCH = x86_64 ]]; then
  sed -i 's#/lib$#/lib64#' Makefile
  libSuffix=64
fi

make
make install DESTDIR=$PKG

strip -g $PKG/usr/lib${libSuffix}/libtz.a

# This is provided by glibc, except the manpages:
rm -rf ${PKG}/usr/sbin
#rm -rf $PKG/usr/man/man8

# I think this I should be organized, so:
( cd ${PKG}/usr/share
  mv zoneinfo-posix zoneinfo/posix
  mv zoneinfo-leaps zoneinfo/right
)
rm ${PKG}/usr/share/zoneinfo/localtime

# Compress the manpages:
gzip -9N ${PKG}/usr/man/man?/*

# Add the documentation:
mkdir -p ${PKG}/usr/doc/tzdatabase-${V}
cp -a \
 README Theory \
 ${PKG}/usr/doc/tzdatabase-${V}

# Include the post-install script:
mkdir -p ${PKG}/install
zcat ${CWD}/post-install.gz > ${PKG}/install/post-install

# Copy the description files:
mkdir -p ${PKG}/description
cp ${CWD}/description/?? ${PKG}/description

cd $PKG
makepkg -l ${OUT}/tzdatabase-${V}-${ARCH}-${B}.tlz