#!/bin/bash

# Slackware build script for rclone-src

# Copyright 2026 Christoph Willing  Sydney, Australia
# 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=rclone-src
SRCNAM=rclone
VERSION=${VERSION:-1.73.2}
BUILD=${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 [ -n "${PRINT_PACKAGE_NAME}" ]; then
  echo "$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 "$TMP"
rm -rf "$SRCNAM"-"$VERSION"
tar xvf "$CWD"/"$SRCNAM"-"$VERSION".tar.gz
cd "$SRCNAM"-"$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 {} \;

# Ensure correct go is used
[ -z $GOROOT ] && . /etc/profile.d/go.sh

export GOFLAGS="-buildmode=pie -trimpath -mod=vendor"
export CGO_LDFLAGS="${LDFLAGS}"
export CGO_CFLAGS="${SLKCFLAGS}"
export CGO_CPPFLAGS="${SLKCFLAGS}"

if [ -r "$CWD"/"$SRCNAM"-"${VERSION}"-vendor.tar.xz ]; then
  tar xvf $CWD/$SRCNAM-$VERSION-vendor.tar.xz
else
  echo "Creating vendorball"
  go mod vendor
  tar cvf - vendor | xz -c > "$CWD"/"$SRCNAM"-"$VERSION"-vendor.tar.xz
  echo "Created vendorball - run this script again"
  exit 0
fi

make TAG=v"$VERSION" rclone
./rclone genautocomplete bash rclone.bash_completion
./rclone genautocomplete zsh rclone.zsh_completion

install -Dm755 rclone "$PKG"/usr/bin/rclone
install -Dm644 rclone.bash_completion "$PKG"/usr/share/bash-completion/completions/rclone
install -Dm644 rclone.zsh_completion "$PKG"/usr/share/zsh/site-functions/_rclone

install -Dm644 rclone.1 "$PKG"/usr/man/man1/rclone.1

ln -s /usr/bin/rclone "$PKG"/usr/bin/mount.rclone
ln -s /usr/bin/rclone "$PKG"/usr/bin/rclonefs

rm -f "$PKG"/{,usr/}lib"${LIBDIRSUFFIX}"/*.la

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

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

mkdir -p "$PKG"/usr/doc/"$PRGNAM"-"$VERSION"
cp -a \
  CONTRIBUTING* COPYING* MANUAL* README* \
  "$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"