#!/bin/bash

# Slackware build script for gocryptfs (prebuilt static binary)
# Copyright 2025 Patrick J. Verner, Waupaca, WI, 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)

PRGNAM=gocryptfs
VERSION=${VERSION:-2.6.1}
BUILD=${BUILD:-1}
TAG=${TAG:-_pmagic}

# Prebuilt static binary — x86_64 only.
ARCH=x86_64

OUTPUT=${OUTPUT:-/tmp}
TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM

set -e

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

# The tarball has no top-level directory — extract into a staging dir.
mkdir -p $TMP/$PRGNAM-$VERSION
cd $TMP/$PRGNAM-$VERSION
tar xvf $CWD/${PRGNAM}_v${VERSION}_linux-static_amd64.tar.gz

# Binaries
install -D -m 0755 gocryptfs     $PKG/usr/bin/gocryptfs
install -D -m 0755 gocryptfs-xray $PKG/usr/bin/gocryptfs-xray

strip --strip-unneeded $PKG/usr/bin/gocryptfs     2>/dev/null || true
strip --strip-unneeded $PKG/usr/bin/gocryptfs-xray 2>/dev/null || true

# Man pages
mkdir -p $PKG/usr/man/man1
install -m 0644 gocryptfs.1     $PKG/usr/man/man1/gocryptfs.1
install -m 0644 gocryptfs-xray.1 $PKG/usr/man/man1/gocryptfs-xray.1
gzip -9 $PKG/usr/man/man1/*.1

# Docs
mkdir -p $PKG/usr/doc/$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:-txz}