#!/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=1.21
ARCH=${ARCH:-x86_64}
B=1

# Flags for the compiler:
DCFLAGS=${DCFLAGS:=-O2 -mtune=generic}

# Parallel jobs for the compiler:
JOBS=${JOBS:=-j4}

PKG=${TMP}/package-groff

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

echo "Uncompressing the tarball..."
rm -rf ${TMP}/groff-${V}
tar -xvf ${CWD}/groff-${V}.tar.lz -C $TMP

cd ${TMP}/groff-${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 {} +

autoconf

# I would fix the path for the documentation:
sed -i \
 -e 's%mandir=@mandir@%mandir=${prefix}/man%' \
 -e 's%infodir=@infodir@%infodir=${prefix}/info%' \
 -e 's%docdir=$(datadir)/doc\(.*\)%docdir=@docdir@%' \
  Makefile.in

# Fix the path for the 64 bit architecture:
sed -i \
 -e 's%libdir=@libdir@%libdir=${prefix}/lib64%' \
 Makefile.in

CFLAGS="$DCFLAGS" \
CXXFLAGS="$DCFLAGS" \
./configure \
 --prefix=/usr \
 --infodir=/usr/info \
 --mandir=/usr/man \
 --docdir=/usr/doc/groff-${V} \
 --with-appresdir=/etc/X11/app-defaults \
 --with-x \
 --build=${ARCH}-dragora-linux-gnu

make $JOBS || make;
mkdir -p ${PKG}/usr
make install prefix=${PKG}/usr

# Install missing files:
install -m 0644 src/devices/xditview/GXditview.ad \
 -D ${PKG}/etc/X11/app-defaults/GXditview
install -m 0644 src/devices/xditview/GXditview-color.ad \
 -D ${PKG}/etc/X11/app-defaults/GXditview-color

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

# Important:  Apply custom configuration from PROBLEMS file:  :-)
for file in man.local mdoc.local ; do
  zcat ${CWD}/nosgr.gz >> ${PKG}/usr/share/groff/site-tmac/${file}
  zcat ${CWD}/utf8.gz >> ${PKG}/usr/share/groff/site-tmac/${file}
done

# Make symlink for "xman":
( cd ${PKG}/usr/bin
  ln -sf eqn geqn
  ln -sf tbl gtbl
  ln -sf soelim zsoelim
)

# Compress GNU info documents:
( cd ${PKG}/usr/info ; rm -f dir ; gzip -9N * )

# Compress and link manpages:
( cd ${PKG}/usr/man
  find . -type f -exec gzip -9N '{}' +
  find . -type l | while read file ; do
    ln -sf $(readlink $file).gz ${file}.gz
    rm $file
  done
)

# Add the documentation:
mkdir -p ${PKG}/usr/doc/groff-${V}/xditview
cp -a \
 BUG-REPORT COPYING ChangeLog FDL MANIFEST MORE.STUFF \
 NEWS PROBLEMS PROJECTS README REVISION TODO VERSION \
 ${PKG}/usr/doc/groff-${V}
( cd src/devices/xditview
  cp -a README TODO ${PKG}/usr/doc/groff-${V}/xditview
)

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

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