#!/bin/bash

# Copyright 2005-2008, 2009, 2010, 2011, 2016, 2018, 2024  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.

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

PKGNAM=groff
VERSION=${VERSION:-$(echo $PKGNAM-*.tar.?z | rev | cut -f 3- -d . | cut -f 1 -d - | rev)}
BUILD=${BUILD:-2}

# Automatically determine the architecture we're building on:
if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) export ARCH=i586 ;;
    arm*) export ARCH=arm ;;
    # Unless $ARCH is already set, use uname -m for all other archs:
       *) export ARCH=$( uname -m ) ;;
  esac
fi

# If the variable PRINT_PACKAGE_NAME is set, then this script will report what
# the name of the created package would be, and then exit. This information
# could be useful to other scripts.
if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PKGNAM-$VERSION-$ARCH-$BUILD.txz"
  exit 0
fi

NUMJOBS=${NUMJOBS:-" -j$(expr $(nproc) + 1) "}

TMP=${TMP:-/tmp}
PKG=$TMP/package-groff

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "s390" ]; then
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

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

# Don't use icecream:
PATH=$(echo $PATH | sed "s|/usr/libexec/icecc/bin||g" | tr -s : | sed "s/^://g" | sed "s/:$//g")

cd $TMP
rm -rf groff-$VERSION
tar xvf $CWD/groff-$VERSION.tar.?z || exit 1
cd groff-$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 {} \+

# Map special characters to enable unescaped hyphens and other characters
# in man pages:
zcat $CWD/0006-Revert-upstream-change-of-mapping-special-characters.patch.gz | patch --verbose -p1 || exit 1

CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --with-appresdir=/etc/X11/app-defaults \
  --mandir=/usr/man \
  --infodir=/usr/info \
  --with-x \
  --with-appdefdir=/etc/X11/app-defaults \
  --build=$ARCH-slackware-linux || exit 1

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

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

mv $PKG/usr/share/doc $PKG/usr
cp -a \
  BUG-REPORT COPYING* ChangeLog FDL INSTALL* LICENSE* MANIFEST MORE.STUFF \
  NEWS* PROBLEMS PROJECTS README* REVISION TODO* VERSION \
  $PKG/usr/doc/groff-$VERSION
mkdir -p $PKG/usr/doc/groff-$VERSION/xditview
cp -a src/devices/xditview/{README,TODO} $PKG/usr/doc/groff-$VERSION/xditview

# 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 $PKG/usr/doc/${PKGNAM}-$VERSION)
  cat ChangeLog | head -n 1000 > $DOCSDIR/ChangeLog
  touch -r ChangeLog $DOCSDIR/ChangeLog
fi

# If you want all this stuff, it's in the source tarball:
rm -rf $PKG/usr/doc/groff-$VERSION/*.ps \
  $PKG/usr/doc/groff-$VERSION/examples \
  $PKG/usr/doc/groff-$VERSION/html \
  $PKG/usr/doc/groff-$VERSION/pdf \
  $PKG/usr/doc/groff-$VERSION/groff-man-pages* \
  $PKG/usr/doc/groff-$VERSION/groff.txt

( 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
)

rm -f $PKG/usr/info/dir
gzip -9 $PKG/usr/info/*

( cd $PKG/usr/bin
  rm -rf geqn ; ln -sf eqn geqn
  rm -rf gindxbib ; ln -sf indxbib gindxbib
  rm -rf gpic ; ln -sf pic gpic
  rm -rf grefer ; ln -sf refer grefer
  rm -rf gsoelim ; ln -sf soelim gsoelim
  rm -rf zsoelim ; ln -sf soelim zsoelim
  rm -rf gtbl ; ln -sf tbl gtbl
  rm -rf gtroff ; ln -sf troff gtroff
  rm -rf glookbib ; ln -sf lookbib glookbib
  rm -rf gnroff ; ln -sf nroff gnroff
  rm -rf gneqn ; ln -sf neqn gneqn
)

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

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