#!/bin/sh

# Copyright 2008, 2009, 2010, 2012  Patrick J. Volkerding, Sebeka, Minnesota, 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.

# Build and install MySQL on Slackware
# by:  David Cantrell <david@slackware.com>
# Currently maintained by:  Patrick Volkerding <volkerdi@slackware.com>


VERSION=${VERSION:-$(echo mysql-*.tar.?z* | rev | cut -f 3- -d . | cut -f 1 -d - | rev)}
BUILD=${BUILD:-1}

# Automatically determine the architecture we're building on:
if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) export ARCH=i486 ;;
    arm*) export ARCH=arm ;;
    # Unless $ARCH is already set, use uname -m for all other archs:
       *) export ARCH=$( uname -m ) ;;
  esac
fi

NUMJOBS=${NUMJOBS:-" -j7 "}
CWD=$(pwd)
TMP=${TMP:-/tmp}
PKG=$TMP/package-mysql

if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "s390" ]; then
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

rm -rf $PKG
mkdir -p $TMP $PKG
cd $TMP
rm -rf mysql-$VERSION
tar xvf $CWD/mysql-$VERSION.tar.?z* || exit 1
cd mysql-$VERSION

if ls $CWD/*.diff.gz 1> /dev/null 2> /dev/null ; then
  for patch in $CWD/*.diff.gz ; do
    zcat $patch | patch -p1 --verbose || exit 1
  done
fi

chown -R root:root .
find . \
 \( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 \) \
 -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
 -exec chmod 644 {} \;

mkdir build
cd build
CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS -felide-constructors -fno-exceptions -fno-rtti" \
CXX=gcc \
cmake \
  -DBUILD_CONFIG=mysql_release \
  -DFEATURE_SET="community" \
  -DINSTALL_LAYOUT="RPM" \
  -DCMAKE_INSTALL_PREFIX=/usr \
  -DINSTALL_LIBDIR="lib${LIBDIRSUFFIX}" \
  -DINSTALL_SBINDIR=libexec \
  -DINSTALL_INCLUDEDIR=include/mysql \
  -DINSTALL_MYSQLSHAREDIR=share/mysql \
  -DINSTALL_SQLBENCHDIR= \
  -DINSTALL_MYSQLTESTDIR=mysql-test \
  -DINSTALL_INFODIR=info \
  -DINSTALL_MANDIR=man \
  -DINSTALL_PLUGINDIR="lib${LIBDIRSUFFIX}/mysql/plugin" \
  -DINSTALL_SCRIPTDIR=bin \
  -DINSTALL_SUPPORTFILESDIR=share/mysql \
  -DINSTALL_MYSQLDATADIR="/var/lib/mysql" \
  -DMYSQL_DATADIR="/var/lib/mysql" \
  -DMYSQL_UNIX_ADDR="/var/run/mysql/mysql.sock" \
  -DWITH_EXTRA_CHARSETS=complex \
  -DWITH_INNOBASE_STORAGE_ENGINE=1 \
  -DENABLED_LOCAL_INFILE=ON \
  -DWITH_EMBEDDED_SERVER=OFF \
  -DWITH_READLINE=ON \
  -DWITH_SSL=system \
  -DWITH_ZLIB=system \
  ..

make $NUMJOBS || make || exit 1
make install DESTDIR=$PKG

# Install sample configuration files:
mkdir -p $PKG/etc/mysql
cp support-files/my-*.cnf $PKG/etc/mysql

# Move mysqlaccess.conf to a more proper place
mv $PKG/usr/bin/mysqlaccess.conf $PKG/etc/mysqlaccess.conf.new
chmod 644 $PKG/etc/mysqlaccess.conf.new

# Leave build directory:
cd ..

# install additional headers needed for building external engine plugins:
mkdir -p $PKG/usr/include/mysql/private/atomic

install -m 644 regex/my_regex.h $PKG/usr/include/mysql/private/

for i in sql include; do
  for j in $i/*.h; do
    install -m 644 $j $PKG/usr/include/mysql/private/
  done
done

for i in include/atomic/*.h; do
  install -m 644 $i $PKG/usr/include/mysql/private/atomic/
done

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

# Install docs
mkdir -p $PKG/usr/doc/mysql-$VERSION/Docs
cp -a \
  BUILD* COPYING* EXCEPTIONS* INSTALL-SOURCE README* VERSION \
  $PKG/usr/doc/mysql-$VERSION
( cd Docs
  # Seems most of the Docs/* are gone, but we'll leave the cp stuff
  # in case it returns.
  cp -a INFO_SRC INSTALL-BINARY *.html *.txt Flags \
     $PKG/usr/doc/mysql-$VERSION/Docs )
## Too large to justify since the .html version is right there:
#rm $PKG/usr/doc/mysql-$VERSION/Docs/manual.txt
find $PKG/usr/doc/mysql-$VERSION -type f -exec chmod 0644 {} \;

# This is the directory where databases are stored:
mkdir -p $PKG/var/lib/mysql
chown mysql.mysql $PKG/var/lib/mysql
chmod 0750 $PKG/var/lib/mysql

# This is where the socket is stored:
mkdir -p $PKG/var/run/mysql
chown mysql.mysql $PKG/var/run/mysql
chmod 0755 $PKG/var/run/mysql

# Do not package the test suite:
rm -rf $PKG/usr/mysql-test

# More unpackaged things:
rm -f $PKG/usr/info/dir
rm -f $PKG/usr/lib${LIBDIRSUFFIX}/libmysqlclient.a
rm -f $PKG/usr/lib${LIBDIRSUFFIX}/libmysqlclient_r.*
( cd $PKG/usr/lib${LIBDIRSUFFIX} ; ln -sf libmysqlclient.so libmysqlclient_r.so )

# Add init script:
mkdir -p $PKG/etc/rc.d
# This is intentionally chmod 644.
zcat $CWD/rc.mysqld.gz > $PKG/etc/rc.d/rc.mysqld.new

# Install script:
mkdir -p $PKG/install
zcat $CWD/doinst.sh.gz > $PKG/install/doinst.sh
cat $CWD/slack-desc > $PKG/install/slack-desc

# Compress and link manpages, if any:
if [ -d $PKG/usr/man ]; then
  ( cd $PKG/usr/man
    for manpagedir in $(find . -type d -name "man*") ; do
      ( cd $manpagedir
        for eachpage in $( find . -type l -maxdepth 1) ; do
          ln -s $( readlink $eachpage ).gz $eachpage.gz
          rm $eachpage
        done
        gzip -9 *.?
      )
    done
  )
fi

# Compress info files, if any:
if [ -d $PKG/usr/info ]; then
  ( cd $PKG/usr/info
    rm -f dir
    gzip -9 *
  )
fi

# If there's a ChangeLog, installing at least part of the recent history
# is useful, but don't let it get totally out of control:
if [ -r ChangeLog ]; then
  DOCSDIR=$(echo $PKG/usr/doc/*-$VERSION)
  cat ChangeLog | head -n 1000 > $DOCSDIR/ChangeLog
  touch -r ChangeLog $DOCSDIR/ChangeLog
fi

# Build package:
cd $PKG
/sbin/makepkg -l y -c n $TMP/mysql-$VERSION-$ARCH-$BUILD.txz