#!/bin/bash

# Slackware build script for K3S

# Copyright 2019-2024 Pouria Rezaei <Pouria.rz@outlook.com>
# 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=k3s
VERSION=${VERSION:-1.30.3.1}
BUILD=${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 [ ! -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}

set -e

if [ "$ARCH" = "i586" ]; then
  DEBARCH="i386"
elif [ "$ARCH" = "i686" ]; then
  DEBARCH="i386"
elif [ "$ARCH" = "x86_64" ]; then
  DEBARCH="amd64"
else
  echo "Package for $ARCH architecture is not available."
  exit 1
fi

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
mkdir -p $PRGNAM-$VERSION

cd $PKG

mkdir -p usr/bin
install -m 0755 $CWD/$PRGNAM usr/bin/$PRGNAM

mkdir -p etc/rc.d
install -m 0644 $CWD/config/rc.k3s etc/rc.d/rc.k3s.new

mkdir -p etc/rancher/$PRGNAM
install -m 0644 $CWD/config/k3s.service.env etc/rancher/k3s/k3s.service.env.new

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 {} \;

for symlink in kubectl crictl ctr; do
    ln -sf /usr/bin/k3s usr/bin/$symlink
done

mkdir -p usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

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

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