#!/usr/bin/env bash
#
# Updated: 16 May 2020
# MailScanner Team <https://www.mailscanner.info>
#
# This helper script will build the latest SUSE install 

# make sure this is run from the base directory
if [ ! -d 'suse' ]; then
	echo 'This script must be executed from the base directory.';
	echo './suse was not found. Exiting ...';
	echo;
	exit 192
fi

if [ -z $(which rpmbuild) ]; then
    echo 'Required rpmbuild package is missing';
    echo 'install rpmbuild before continuing, Exiting ...';
    echo;
    exit 192
fi

VERSION=$(sed -e 's/\n//' VERSION)
MSVERSION=$(echo $VERSION | sed -e 's/-.*$//')
MSBUILD=$(echo $VERSION | sed -e 's/^.*-//')

if [[ -z $MSVERSION || -z $MSBUILD ]]; then
    echo "Could not determine MailScanner version."
    echo "Unable to read VERSION file"
    echo;
    exit 192
fi

# directory we are in
THISCURDIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )

if [ -z "$RPMOUT" ]; then
	RPMOUT="$HOME/msbuilds";
fi

# setup rpm development dirs
mkdir -p ~/rpmbuild/{BUILD,RPMS,SOURCES,SPECS,SRPMS}

# create build output base dir 
mkdir -p $RPMOUT

# the work directory
WORK="/tmp/MailScanner-$MSVERSION";

# delete work tmp if already exists
if [ -d $WORK ]; then
   rm -rf $WORK
fi

# make working dir and subs
mkdir -p $WORK

# copy everything
cp -fr $THISCURDIR/*    $WORK/

# remove svn and git and mac stuff
find $WORK -name '.svn' -exec rm -rf {} \;
find $WORK -name '.git' -exec rm -rf {} \;
find $WORK -name '*.DS_Store' -exec rm -rf {} \;
find $WORK -depth -name '__MACOSX' -exec rm -rf {} \;

# Build the src tarball for RPM construction
cd $WORK
cd ..
tar czf ~/rpmbuild/SOURCES/MailScanner-${MSVERSION}.tar.gz MailScanner-${MSVERSION}

# return to where i started
cd $THISCURDIR

# Build the RPM and SRPMS
cp -f $THISCURDIR/suse/mailscanner.spec ~/rpmbuild/SPECS/mailscanner.spec
perl -pi -e 's/__Version__/'$MSVERSION'/;' ~/rpmbuild/SPECS/mailscanner.spec
perl -pi -e 's/__Release__/'$MSBUILD'/;' ~/rpmbuild/SPECS/mailscanner.spec
rpmbuild -ba ~/rpmbuild/SPECS/mailscanner.spec

# Cleanup
mv ~/rpmbuild/RPMS/noarch/MailScanner-${VERSION}.suse.noarch.rpm $RPMOUT
rm -rf $WORK
# Be mindful that rpmbuild may be present for other things...
rm -f ~/rpmbuild/SOURCES/MailScanner-${MSVERSION}.tar.gz
rm -f ~/rpmbuild/SPECS/mailscanner.spec

echo;
echo "Completed: $RPMOUT/MailScanner-${VERSION}.suse.noarch.rpm";