#!/bin/sh

# Get date (two formats)
if [ -n "$2" ]; then
    LONGDATE=`date -d "$2" "+%B %d, %Y"`
    SHORTDATE=`date -d "$2" "+%Y-%m-%d"`
    YEAR=`date -d "$2" "+%Y"`
else
    LONGDATE=`date "+%B %d, %Y"`
    SHORTDATE=`date "+%Y-%m-%d"`
    YEAR=`date "+%Y"`
fi

# Current version number
CURRENTVERSION=4.3.4

# Last date
LASTDATE=2017-08-24

if [ "x$1" = "x" ]
then
	echo "Usage: $0 <version number | \"newdate\"> [revision date]"
	echo ""
	echo "Run this script with the name of the new version (i.e \"2.0b1\") to"
	echo "update version number and modification date in files."
	echo "Use the \"newdate\" argument if you want to keep the current version"
	echo "number and just update the modification date."
	echo ""
	echo "Current version=$CURRENTVERSION"
	echo "Current Modification date=$LASTDATE"
	echo ""
	exit 1
fi

# Keep track of last version, as it is needed to update quickstart guide pages
lastversion=$CURRENTVERSION

# What's the new version number (if any)?
newversion=$1
if [ "x$newversion" = "xnewdate" ]
then
    # No new version number, just a new version date
    newversion=$CURRENTVERSION
fi

# Update version number and release date in main PHP page
perl -i -p -e "s/this_year = '.*';/this_year = '$YEAR';/;" html/index.php.in
perl -i -p -e "s/this_year = '.*';/this_year = '$YEAR';/;" html/main.php
perl -i -p -e "s/releasedate\">.*<\//releasedate\">$LONGDATE<\//;" html/main.php
perl -i -p -e "s/this_version = '.*';/this_version = '$newversion';/;" html/main.php
perl -i -p -e "s/this_version = '.*';/this_version = '$newversion';/;" html/side.php

# Update version number and release date in common code
perl -i -p -e "s/PROGRAM_VERSION \".*\"/PROGRAM_VERSION \"$newversion\"/;" include/common.h
perl -i -p -e "s/MODIFICATION_DATE \".*\"/MODIFICATION_DATE \"$SHORTDATE\"/;" include/common.h

# Update version number and release date in configure script and configure.in
perl -i -p -e "s/PKG_VERSION=.*/PKG_VERSION=\"$newversion\"/;" configure
perl -i -p -e "s/PKG_REL_DATE=.*\"/PKG_REL_DATE=\"$SHORTDATE\"/;" configure
perl -i -p -e "s/PKG_VERSION=.*/PKG_VERSION=\"$newversion\"/;" configure.ac
perl -i -p -e "s/PKG_REL_DATE=.*\"/PKG_REL_DATE=\"$SHORTDATE\"/;" configure.ac

# Update RPM spec file with version number
perl -i -p -e "s/Version: .*/Version: $newversion/;" nagios.spec

# Update the doxygen docs
perl -i -p -e "s/^PROJECT_NUMBER = .*/PROJECT_NUMBER = $newversion/;" doxy.conf

# Update this file with version number and last date
perl -i -p -e "s/^CURRENTVERSION=.*/CURRENTVERSION=$newversion/;" update-version
perl -i -p -e "s/^LASTDATE=.*/LASTDATE=$SHORTDATE/;" update-version