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#!/bin/bash

# Slackware build script for img2xterm

# Written by B. Watson (yalhcru@gmail.com)

# Licensed under the WTFPL. See http://www.wtfpl.net/txt/copying/ for details.

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

PRGNAM=img2xterm
VERSION=${VERSION:-1.0.0}
BUILD=${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 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 "${PRINT_PACKAGE_NAME}" ]; then
  echo "$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 /111 -a \! -perm 755 -a -exec chmod 755 {} \+ -o \
        \! -perm /111 -a \! -perm 644 -a -exec chmod 644 {} \+

# Fix an header path for imagemagick >= 7.x
sed -i "s|wand/MagickWand|MagickWand/MagickWand|" img2xterm.c

# Hardcoded stuffs. The LN line turns the absolute symlinks into
# relative, so we don't end up with links to $PKG.
sed -i \
  -e 's,share/man,man,g' \
  -e 's,/bin\>,/games,g' \
  -e "s,-O2,$SLKCFLAGS," \
  -e '/LN/s,\$(PREFIX)[^ ]*/,,' \
  Makefile

make
make install PREFIX=$PKG/usr

# Include the stuff from extra/. To do this, we have to find out the
# version of gimp to install the palette file for.
case "${GIMPVER:-auto}" in
  auto) GIMPVER=$(/bin/ls -d /usr/share/gimp/[0-9]*/ | sort -V | cut -d/ -f5) ;;
  *)    GIMPVER=$(echo $GIMPVER | cut -d. -f1,2) ;;
esac

# We get a gimp palette, and an RMS cowfile... which looks like poor
# RMS is covered in blood splatters, due to dithering.
make -C extra
mkdir -p $PKG/usr/share/gimp/$GIMPVER/palettes $PKG/usr/share/games/cows
install -m0644 extra/*.gpl $PKG/usr/share/gimp/$GIMPVER/palettes
install -m0644 extra/cows/*.cow $PKG/usr/share/games/cows

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a README* COPYING $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

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

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