#!/bin/sh

# Slackware build script for ex-vi

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

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

PRGNAM=ex-vi
VERSION=${VERSION:-050325}
BUILD=${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

TARNAME=ex

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $TARNAME-$VERSION
tar xvf $CWD/$TARNAME-$VERSION.tar.bz2
cd $TARNAME-$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 {} \;

# don't install the binary with the sticky bit set. It doesn't do anything
# on Linux, and might set off alarm bells.
sed -i 's,-m 1755,-m 755,' Makefile

# To avoid conflicts with Slackware's elvis and/or vim, we install to /opt and
# include a login script to set PATH and MANPATH.
make all install \
  CC="gcc $SLKCFLAGS" \
  MANDIR=/opt/$PRGNAM/man \
  PREFIX=/opt/$PRGNAM \
  INSTALL=install \
  DESTDIR=$PKG

# binary already stripped, yay

find $PKG/opt/$PRGNAM/man -type f -exec gzip -9 {} \;
for i in $( find $PKG/opt/$PRGNAM/man -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done

mkdir -p $PKG/etc/profile.d
install -m0755 -oroot -groot $CWD/$PRGNAM.sh.new $PKG/etc/profile.d
install -m0755 -oroot -groot $CWD/$PRGNAM.csh.new $PKG/etc/profile.d

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a Changes LICENSE README TODO $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/README_Slackware.txt > $PKG/usr/doc/$PRGNAM-$VERSION/README_Slackware.txt
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

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

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