#!/bin/bash
#  Copyright (C) 2010-2011  Matias 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=1.4.7
ARCH=${ARCH:-i486}
B=1

# Flags for the compiler:
DCFLAGS=${DCFLAGS:=-O2 -march=i486 -mtune=i686}

# Parallel jobs for the compiler:
JOBS=${JOBS:=-j5}

PKG=${TMP}/package-cups

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

echo "Uncompressing the tarball..."
rm -rf ${TMP}/cups-${V}
lzip -cd ${CWD}/cups-${V}-source.tar.lz | tar -xvf - -C $TMP

cd ${TMP}/cups-${V}

# 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 {} +

./configure \
 --prefix=/usr \
 --sysconfdir=/etc \
 --mandir=/usr/man \
 --localstatedir=/var \
 --disable-static \
 --enable-shared \
 --enable-ssl \
 --enable-dbus \
 --enable-threads \
 --disable-pam \
 --disable-gnutls \
 --disable-debug \
 --with-docdir=/usr/doc/cups-${V}/html \
 --with-logdir=/var/log/cups \
 --with-optim="$DCFLAGS" \
 --without-php \
 --build=${ARCH}-dragora-linux-gnu

make $JOBS
make install BUILDROOT=$PKG

# Increments a little the security:
find ${PKG}/usr/sbin -type f | xargs chmod -v 750

# Fix directory permission:
find ${PKG}/var -type d | xargs chmod -v 755

# We don't need this:
rm -rf \
 ${PKG}/etc/rc.d \
 ${PKG}/etc/rc?.d \
 ${PKG}/etc/init.d

# Add our cups init script:
mkdir -p ${PKG}/etc/sv/cupsd
zcat ${CWD}/cupsd.gz > ${PKG}/etc/sv/cupsd/run.new
chmod 755 ${PKG}/etc/sv/cupsd/run.new
mkdir -p ${PKG}/etc/runit/runsvdir/default
(
  cd ${PKG}/etc/runit/runsvdir/default
  ln -sf /etc/sv/cupsd .
)

# Strip binaries & libraries:
( cd $PKG
  find . -type f | xargs file | awk '/ELF/ && /executable/ || /shared object/' | \
   cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
)

# Handle config files:
( cd ${PKG}/etc/cups
  # Apply our custom configuration:
  zcat ${CWD}/cups.conf.diff.gz | patch -p0
  
  for file in * ; do
    if [[ -f $file ]]; then
      mv $file ${file}.new
    fi
  done
)

# Handle dbus config file:
( cd ${PKG}/etc/dbus-1/system.d
  # Inserts our dbus config:
  zcat ${CWD}/cups.conf-dbus.gz > cups.conf
  mv cups.conf{,.new}
)

# Add the documentation:
mkdir -p ${PKG}/usr/doc/cups-${V}
cp -a \
 CHANGES.txt CREDITS.txt LICENSE.txt README.txt \
 ${PKG}/usr/doc/cups-${V}

# Add 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 ${OUT}/cups-${V}-${ARCH}-${B}.tlz