#!/bin/bash

# Copyright 2023-2025  fourtysixandtwo <fourtysixandtwo@sliderr.net>
# Copyright 2022  Patrick J. Volkerding, Sebeka, MN, USA
# Copyright 2022  Heinz Wiesinger, Amsterdam, The Netherlands
# 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.

# 20230925 46and2: Bump build, changes to mkvendored script.
# 20230927 46and2: 32-bit fix thanks to Eugene Carlson.  Min ARCH=i686.
# 20240102 46and2: modify to use VSBUILD instead of BUILD for vendored sources
#   above requested by Andrew Clemons to avoid CI issues
#   -also added VSDIR option to included script, see cargo-mkvendored.sh
# 20240213 46and2: Fix FTB on arm

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

PRGNAM=cargo-vendor-filterer
VERSION=${VERSION:-0.5.18}
BUILD=${BUILD:-4}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}
VSBUILD=${VSBUILD:-2}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i686 ;;
    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 [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" -o "$ARCH" = "aarch64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

if [ "$ARCH" = "arm" ]; then
  TRIPLET="$ARCH-unknown-linux-gnueabihf"
else
  TRIPLET="$ARCH-unknown-linux-gnu"
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION.tar.?z --no-same-owner
tar xvf $CWD/$PRGNAM-vendored-sources-$VERSION-$VSBUILD.tar.?z --no-same-owner
cd $PRGNAM-$VERSION
find . ! -type l    -a \
  \(     -perm /111 -a ! -perm 755 -a -exec chmod -f 755 {} + \) -o \
  \(   ! -perm /111 -a ! -perm 644 -a -exec chmod -f 644 {} + \)

# prevent cargo from using the network.
export CARGO_NET_OFFLINE=true

# prevent cargo from writing outside of $TMP
export CARGO_HOME=$(pwd)/.cargo

export PATH="/opt/rust/bin:$PATH"
if [ -z "$LD_LIBRARY_PATH" ]; then
  export LD_LIBRARY_PATH="/opt/rust/lib"
else
  export LD_LIBRARY_PATH="/opt/rust/lib:$LD_LIBRARY_PATH"
fi

CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
OPENSSL_NO_VENDOR=1 \
cargo build \
  --offline \
  --release \
  --target $TRIPLET

mkdir -p $PKG/usr/bin
install -m 755 target/$TRIPLET/release/cargo-vendor-filterer \
  $PKG/usr/bin/

# add script to generate filtered vendor sources
install -m 755 $CWD/cargo-mkvendored.sh $PKG/usr/bin/

find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true

PKGDOC=$PKG/usr/doc/$PRGNAM-$VERSION
mkdir -p $PKGDOC
cp -a *.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