#!/bin/bash

usage()
{
  echo "Usage: $0 new_version"
  exit 1
}

error()
{
  echo "File VERSION is missing. Abort."
  exit 1
}

[[ $# == 1 ]] || usage
version=$1

[[ -f VERSION ]] || error
oldversion=`cat VERSION`

echo "Changing version from $oldversion to $version"

sed -i "s/__version__ = '$oldversion'/__version__ = '$version'/g" python/src/__init__.py
sed -i "s/Version:        $oldversion/Version:        $version/g" distro/rpm/*.spec
sed -i "s/ ($oldversion-/ ($version-/g" distro/debian/changelog

oldmajor=`echo $oldversion | cut -d "." -f 1`
oldminor=`echo $oldversion | cut -d "." -f 2`
oldpatch=`echo $oldversion | cut -d "." -f 3-`
major=`echo $version | cut -d "." -f 1`
minor=`echo $version | cut -d "." -f 2`
patch=`echo $version | cut -d "." -f 3-`

sed -i "s/CPACK_PACKAGE_VERSION_MAJOR $oldmajor/CPACK_PACKAGE_VERSION_MAJOR $major/g" CMakeLists.txt
sed -i "s/CPACK_PACKAGE_VERSION_MINOR $oldminor/CPACK_PACKAGE_VERSION_MINOR $minor/g" CMakeLists.txt

number_of_dots=`grep -o '\.' <<< $version | wc -l`
if test $number_of_dots -ge 2
then
  sed -i "s/set ( CPACK_PACKAGE_VERSION_PATCH $oldpatch/set ( CPACK_PACKAGE_VERSION_PATCH $patch/g" CMakeLists.txt
fi

echo $version > VERSION
echo "Updated file VERSION with new version $version"

exit 0
