#!/bin/sh

# Slackware build script for ceph

# Copyright 2021 Rafael Tavares (mdrafaeltavares@gmail.com) Bahia, Brazil.
# 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.

PRGNAM=$(basename $0 | cut -f1 -d.)
VERSION=${VERSION:-$(find . -maxdepth 1 -name "$PRGNAM-*.tar.?z*" | rev | cut -f 3- -d . | cut -f 1 -d - | rev)}
BUILD=${BUILD:-1}
TAG=${TAG:-_gfs}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i486 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

CWD=$(pwd)
TMP=${TMP:-/tmp/gfs}
PKG=$TMP/pkg-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}
JOBS=${JOBS:-" -j$(expr $(getconf _NPROCESSORS_ONLN) / 2 ) "}

if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-march=i486 -mtune=i686 -lncurses"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-march=i686 -mtune=i686 -lncurses"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-fPIC -lncurses"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O3 -lncurses"
  LIBDIRSUFFIX=""
fi

set -e

UMASKBKP=$(umask)
umask 0022

DEPCHK=""
OPTDEP=""

if [ -z $VERSION ]
 then
 VERSION=16.2.5
fi

MDSCHK=5616f2d1e534639c248c4d33c59cabab
DWNLCMD=${DWNLCMD:-"wget -c --no-check-certificate"}
SRCDOWN=${SRCDOWN:-"https://download.ceph.com/tarballs/ceph-$VERSION.tar.gz"}

if [ -z $(find . -maxdepth 1 -name "$PRGNAM-$VERSION.tar.?z*") ]
then
 $DWNLCMD $SRCDOWN
else
 if md5sum -c <<<"$MDSCHK $(echo $PRGNAM-$VERSION.tar.?z*)";
  then
   continue
  else
   rm -rf $PRGNAM-$VERSION.tar.?z*
   $DWNLCMD $SRCDOWN
 fi
fi

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
echo "Extracting tarball..."
tar xf $CWD/$PRGNAM-$VERSION.tar.?z*
cd $PRGNAM-$VERSION

chown -R root:root .

patch -Np1 -i $CWD/patches/ceph-12.2.0-use-provided-cpu-flag-values.patch
patch -Np1 -i $CWD/patches/ceph-14.2.0-cflags.patch
patch -Np1 -i $CWD/patches/ceph-12.2.4-boost-build-none-options.patch
patch -Np1 -i $CWD/patches/ceph-16.2.2-cflags.patch
patch -Np1 -i $CWD/patches/ceph-16.2.2-no-virtualenvs.patch
patch -Np1 -i $CWD/patches/ceph-14.2.0-dpdk-cflags.patch
patch -Np1 -i $CWD/patches/ceph-14.2.0-cython-0.29.patch
patch -Np1 -i $CWD/patches/ceph-16.2.0-rocksdb-cmake.patch
patch -Np1 -i $CWD/patches/ceph-15.2.3-spdk-compile.patch
patch -Np1 -i $CWD/patches/ceph-16.2.0-install-libblk.patch
patch -Np1 -i $CWD/patches/ceph-16.2.0-spdk-tinfo.patch
patch -Np1 -i $CWD/patches/ceph-16.2.0-jaeger-system-boost.patch
patch -Np1 -i $CWD/patches/ceph-16.2.0-liburing.patch
patch -Np1 -i $CWD/patches/ceph-16.2.2-system-zstd.patch

# remove tests that need root access
rm -f src/test/cli/ceph-authtool/cap*.t

mkdir -p build
cd build

cmake .. \
 -DCMAKE_C_FLAGS="$SLKCFLAGS" \
 -DCMAKE_CXX_FLAGS="$SLKCFLAGS" \
 -DCMAKE_MODULE_LINKER_FLAGS="-lncurses" \
 -DCMAKE_BUILD_TYPE=Release \
 -DCMAKE_INSTALL_PREFIX=/usr \
 -DCMAKE_INSTALL_SYSCONFDIR=/etc \
 -DCEPH_MAN_DIR=/usr/man \
 -DCMAKE_INSTALL_DOCDIR=/usr/doc/$PRGNAM-$VERSION \
 -DCMAKE_INSTALL_INCLUDEDIR=/usr/include \
 -DCMAKE_INSTALL_INFODIR=/usr/info \
 -DCMAKE_INSTALL_MANDIR=/usr/man \
 -DWITH_BLUESTORE_PMEM=OFF \
 -DWITH_DPDK=OFF \
 -DWITH_RDMA=OFF \
 -DWITH_TBB=OFF \
 -DWITH_SYSTEMD=OFF \
 -DWITH_RBD_RWL=OFF \
 -DWITH_RBD_SSD_CACHE=OFF \
 -DWITH_ZBD=OFF \
 -DWITH_TESTS=OFF \
 -DWITH_MGR_DASHBOARD_FRONTEND=OFF \
 -DWITH_STATIC_LIBSTDCXX=OFF \
 -DWITH_SYSTEM_ROCKSDB=OFF \
 -DCMAKE_VERBOSE_MAKEFILE=ON \
 -DWITH_REENTRANT_STRSIGNAL=ON \
 -DENABLE_SHARED=ON \
 -DWITH_BABELTRACE=ON \
 -DWITH_CEPHFS=ON \
 -DWITH_CEPHFS_SHELL=ON \
 -DWITH_SPDK=ON \
 -DWITH_FUSE=ON \
 -DWITH_LTTNG=ON \
 -DWITH_GSSAPI=ON \
 -DWITH_GRAFANA=ON \
 -DWITH_MGR=ON \
 -DWITH_OPENLDAP=ON \
 -DWITH_PYTHON3=3 \
 -DWITH_RADOSGW=OFF \
 -DWITH_RADOSGW_AMQP_ENDPOINT=OFF \
 -DWITH_RADOSGW_KAFKA_ENDPOINT=OFF \
 -DWITH_RADOSGW_LUA_PACKAGES=OFF \
 -DWITH_LIBURING=ON \
 -DWITH_SYSTEM_LIBURING=ON \
 -DWITH_LIBCEPHSQLITE=ON \
 -DWITH_XFS=ON \
 -DWITH_ZFS=ON \
 -DWITH_SYSTEM_PMDK=ON \
 -DWITH_SYSTEM_BOOST=ON \
 -Wno-dev

export LDFLAGS="-lncurses"

pushd src/pybind
make clean
make $JOBS all || make -j1 all
popd

make $JOBS all || make -j1 all
DESTDIR=$PKG make install

pushd src/pybind
make DESTDIR=$PKG install
popd

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

find $PKG -name '*.la' -delete

cd ..
mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a AUTHORS CONTRIBUTING.rst COPYING* README.md \
  $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$(basename $0) > $PKG/usr/doc/$PRGNAM-$VERSION/$(basename $0)

mkdir -p $PKG/install
#      |-----handy-ruler------------------------------------------------------|
cat <<EOT >$PKG/install/slack-desc
$PRGNAM:
$PRGNAM: Ceph
$PRGNAM:
$PRGNAM: Ceph is a distributed object, block, and file storage platform.
$PRGNAM:
$PRGNAM:
$PRGNAM:
$PRGNAM:
$PRGNAM:
$PRGNAM: https://ceph.com/
$PRGNAM:
EOT

cat <<\EOT >$PKG/install/doinst.sh
if [ -x /usr/bin/update-mime-database ]; then
  /usr/bin/update-mime-database /usr/share/mime &> /dev/null
fi

if [ -x /usr/bin/update-desktop-database ]; then
  /usr/bin/update-desktop-database -q usr/share/applications >/dev/null 2>&1
fi

if [ -e usr/share/icons/hicolor/icon-theme.cache ]; then
  if [ -x /usr/bin/gtk-update-icon-cache ]; then
    /usr/bin/gtk-update-icon-cache usr/share/icons/hicolor >/dev/null 2>&1
  fi
fi

if [ -e usr/share/glib-2.0/schemas ]; then
  if [ -x /usr/bin/glib-compile-schemas ]; then
    /usr/bin/glib-compile-schemas usr/share/glib-2.0/schemas >/dev/null 2>&1
  fi
fi
EOT

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-txz}

umask ${UMASKBKP}