#!/bin/bash

# Slackware build script for oracle-instantclient-basic

# Copyright 2015 Dhaby Xiloj <slack.dhabyx@gmail.com> Guatemala
# 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=oracle-instantclient-basic
VERSION=${VERSION:-21.5.0.0.0}
SRCVER=${SRCVER:-21.5.0.0.0-1}
RELEASE=${RELEASE:-1}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}
ORAVER="21"

if [ -z "$ARCH" ]; then
  ARCH=$( uname -m )
fi

# 2023-05-16 DW: moved above PRINT_PACKAGE_NAME
if [ "$ARCH" = "x86_64" ]; then
  LIBDIRSUFFIX="64"
else
  echo "$ARCH architecture is unsupported." >/dev/stderr
  exit 1
fi

# If the variable PRINT_PACKAGE_NAME is set, then this script will report what
# the name of the created package would be, and then exit. This information
# could be useful to other scripts.
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}


# recreating the name of the RPM
RPMNAM="$PRGNAM-$VERSION-$RELEASE.$ARCH.rpm"
set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $PKG
rpm2cpio < $CWD/$RPMNAM | cpio -imdv
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 {} \;

if [ "$LIBDIRSUFFIX" = "64" ]; then
    mv $PKG/usr/lib $PKG/usr/lib${LIBDIRSUFFIX}
fi

# 2023-05-16 DW: I think this is safer on a single line
ORACLE_CLIENT_HOME="/usr/lib${LIBDIRSUFFIX}/oracle/${ORAVER}/client${LIBDIRSUFFIX}"

# Testing if ORACLE already installed
if [ "$ORACLE_HOME" ]; then
    # make symbolic links to client apps
    mkdir -p $PKG/$ORACLE_HOME/bin
    for app in $(ls $PKG/${ORACLE_CLIENT_HOME}/bin) ; do
        ln -sf $ORACLE_CLIENT_HOME/bin/$app \
            $PKG/$ORACLE_HOME/bin/
    done
fi

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

# Making csh file for profile.d
mkdir -p $PKG/etc/profile.d/
cat << EOF > $PKG/etc/profile.d/$PRGNAM.csh
#!/bin/csh
setenv ORACLE_CLIENT_HOME ${ORACLE_CLIENT_HOME}

# 2023-05-16 DW: csh syntax
if ( ! \$?ORACLE_HOME ) then
  setenv ORACLE_HOME \$ORACLE_CLIENT_HOME
endif

# 2023-05-16 DW: csh uses a lowercase path array
set path = ( \$path \$ORACLE_CLIENT_HOME/bin )

# 2023-05-16 DW: will set this, but braces to stop : modifier errors
setenv PATH \${PATH}:\${ORACLE_CLIENT_HOME}/bin

# 2023-05-16 DW: test if CLASSPATH is set or not to avoid errors
if ( \$?CLASSPATH ) then
  setenv CLASSPATH \${CLASSPATH}:\${ORACLE_CLIENT_HOME}/lib/ojdbc6.jar
else
  setenv CLASSPATH \${ORACLE_CLIENT_HOME}/lib/ojdbc6.jar
endif

# 2023-05-16 DW: it seems that this is also needed
if ( \$?LD_LIBRARY_PATH ) then
  setenv LD_LIBRARY_PATH \${LD_LIBRARY_PATH}:\${ORACLE_CLIENT_HOME}/lib
else
  setenv LD_LIBRARY_PATH \${ORACLE_CLIENT_HOME}/lib
endif
EOF

# Making sh file for profile.d
cat << EOF > $PKG/etc/profile.d/$PRGNAM.sh
#!/bin/sh
export ORACLE_CLIENT_HOME=${ORACLE_CLIENT_HOME}

if [ -z "\$ORACLE_HOME" ]; then
    export ORACLE_HOME=\$ORACLE_CLIENT_HOME
fi

export PATH=\$PATH:\$ORACLE_CLIENT_HOME/bin
export CLASSPATH=\$CLASSPATH:\$ORACLE_CLIENT_HOME/lib/ojdbc6.jar

# 2023-05-16 DW: add this here too JIC (untested)
if [ "\$LD_LIBRARY_PATH" ]; then
  export LD_LIBRARY_PATH=\$LD_LIBRARY_PATH:\$ORACLE_CLIENT_HOME/lib
else
  export LD_LIBRARY_PATH=\$ORACLE_CLIENT_HOME/lib
fi
EOF
chmod 755 $PKG/etc/profile.d/*sh

mkdir -p $PKG/usr/doc/$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