#!/bin/bash

# Slackware build script for pledge

# Original author 2023 Juan M. Lasca <email removed>
# Modified and now maintained by B. Watson <urchlay@slackware.uk>

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

# 20240221 bkw: BUILD=2
# - Take over maintenance
# - Relicense as WTFPL (per mailing list)
# - Fix minor grammar/spelling issues in README and slack-desc

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

PRGNAM=pledge
VERSION=${VERSION:-20230908_8693ebe}
COMMIT=8693ebe15a30bd4235165ad72a469da29ca067cf
BUILD=${BUILD:-2}
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 [ ! -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 [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
elif [ "$ARCH" = "aarch64" ]; 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 $PRGNAM-$COMMIT
tar xvf $CWD/$PRGNAM-$COMMIT.tar.gz
cd $PRGNAM-$COMMIT
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 {} +

make CFLAGS="$SLKCFLAGS"

LIB=$PKG/usr/lib$LIBDIRSUFFIX/$PRGNAM
mkdir -p $LIB $PKG/usr/bin
install -s -m0755 o/pledge o/sandbox.so $LIB
ln -s ../lib$LIBDIRSUFFIX/$PRGNAM/pledge $PKG/usr/bin

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