#!/bin/sh

# Slackware build script for svkbd

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

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

# VERSION is the date of the last git commit.

PRGNAM=svkbd
VERSION=${VERSION:-20140130}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i486 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

CWD=$(pwd)
TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$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 . \
 \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
  -o -perm 511 \) -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
 -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;

sed -i -e "s,\<lib\>,lib$LIBDIRSUFFIX," -e "s,-Os,$SLKCFLAGS," config.mk

LAYOUTS="${LAYOUTS:-en}"
if [ "$LAYOUTS" = "all" ]; then
  LAYOUTS="$( ls layout.*.h|cut -d. -f2 | xargs echo )"
  FIRST="en"
else
  FIRST="$( echo $LAYOUTS | cut -d' ' -f1)"
fi

mkdir -p $PKG/usr/man/man1
gzip -9c < $CWD/$PRGNAM.1 > $PKG/usr/man/man1/$PRGNAM.1.gz

for i in ${LAYOUTS}; do
  if [ -e layout.$i.h ]; then
     make install LAYOUT="$i" PREFIX=/usr DESTDIR=$PKG
     ln -s $PRGNAM.1.gz $PKG/usr/man/man1/$PRGNAM-$i.1.gz
  else
    echo "No such layout '$i', read the README."
    exit 1
  fi
done

strip $PKG/usr/bin/*
ln -s $PRGNAM-$FIRST $PKG/usr/bin/$PRGNAM

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

mkdir -p $PKG/install
sed -e "s,@LAYOUTS@,$LAYOUTS," -e "s,@FIRST@,$FIRST," \
  < $CWD/slack-desc \
  > $PKG/install/slack-desc

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