#!/bin/sh

#
# This script builds a delivery
#
# Parameters:
# $1: target directory
# $2: build type (dev, rel)
# $3: SVN location (trunk, tags, branches)
# $4: delivery name
# $5: delivery version
# $6: branch identifier

#
# Environment variable that MUST be defined
# by the calling script
#
# SVN_URL SVN_USER SVN_PASS

#
# Source functions
#
. `dirname $0`/functions

#
# Binaries
#
BIN_BASENAME="/bin/basename"
BIN_CHMOD="/bin/chmod"
BIN_ECHO="/bin/echo"
BIN_MKDIR="/bin/mkdir"
BIN_RM="/bin/rm"
BIN_SVN="/usr/bin/svn"

#
# Parameters
#
TARGET_DIR=""
BUILD_TYPE=""
SVN_LOCATION=""
SVN_DELIVERY=""
SVN_VERSION=""
SVN_BRANCH=""

#
# Internal variables
#
EXIT=0
TMP_DIR=""
SVN_PATH_PACKAGE=""
VERSION=""

#
# Main script
#
$BIN_ECHO "Preparing to build delivery '$4'"
if [ $EXIT -eq 0 ] ; then
	check_svn_parameters
	if [ -z "$1" ] ; then
		$BIN_ECHO "-> Target directory parameter is missing"
		EXIT=1
	else
		if [ -d $1 ] ; then
			TARGET_DIR=$1
		else
			$BIN_ECHO "-> Target directory '$1' does not exist"
			EXIT=1
		fi
	fi
	if [ -z "$2" ] ; then
		$BIN_ECHO "-> Build type is missing (dev or rel)"
		EXIT=1
	else
		if [ "$2" != "dev" -a "$2" != "rel" ] ; then
			$BIN_ECHO "-> Build type '$2' is not supported (dev or rel)"
			EXIT=1
		else
			BUILD_TYPE=$2
		fi
	fi
	if [ -z "$3" ] ; then
		$BIN_ECHO "-> SVN location parameter is missing (trunk, tags or branches)"
		EXIT=1
	else
		if [ "$3" != "trunk" -a "$3" != "tags" -a "$3" != "branches" ] ; then
			$BIN_ECHO "-> SVN location '$3' is not supported (trunk, tags or branches)"
			EXIT=1
		else
			SVN_LOCATION=$3
		fi
	fi
	if [ -z "$4" ] ; then
		$BIN_ECHO "-> SVN delivery parameter is missing"
		EXIT=1
	else
		SVN_DELIVERY=$4
	fi
	if [ -z "$5" ] ; then
		if [ "$SVN_LOCATION" = "tags" -o "$SVN_LOCATION" = "branches" ] ; then
			$BIN_ECHO "-> SVN version parameter is missing"
			EXIT=1
		fi
	else
		SVN_VERSION=$5
	fi
	if [ -z "$6" ] ; then
		if [ "$SVN_LOCATION" = "branches" ] ; then
			$BIN_ECHO "-> SVN branch parameter is missing"
			EXIT=1
		fi
	else
		SVN_BRANCH=$6
	fi
	if [ ! -x $BIN_SVN ] ; then
		$BIN_ECHO "-> Binary '$BIN_SVN' is missing"
		EXIT=1
	fi
fi
if [ $EXIT -eq 0 ] ; then
	case "$SVN_LOCATION" in
		trunk)
			SVN_PATH_PACKAGE="trunk/delivery/$SVN_DELIVERY/package"
			;;
		tags)
			SVN_PATH_PACKAGE="tags/delivery/$SVN_DELIVERY/$SVN_VERSION/package"
			;;
		branches)
			SVN_PATH_PACKAGE="branches/delivery/$SVN_DELIVERY/$SVN_VERSION-$SVN_BRANCH/package"
			;;
		*)
			$BIN_ECHO "-> SVN location '$SVN_LOCATION' is not supported"
			EXIT=1
	esac
fi
if [ $EXIT -eq 0 ] ; then
	TMP_DIR="$TARGET_DIR/`$BIN_BASENAME $0`"
	if [ -d $TMP_DIR ] ; then
		$BIN_ECHO "-> Directory '$TMP_DIR' already exists"
		EXIT=1
	else
		$BIN_MKDIR -p $TMP_DIR/package
		if [ ! -d $TMP_DIR/package ] ; then
			$BIN_ECHO "-> Error while creating directory '$TMP_DIR/package'"
			EXIT=1
		fi
	fi
fi
if [ $EXIT -eq 0 ] ; then
	pushd $TMP_DIR/package >> /dev/null 2>&1
	$BIN_SVN checkout --username $SVN_USER --password $SVN_PASS $SVN_URL/$SVN_PATH_PACKAGE . >> /dev/null 2>&1
	if [ $? -ne 0 ] ; then
		$BIN_ECHO "-> Error while checkouting URL '$SVN_URL/$SVN_PATH_PACKAGE'"
		EXIT=1
	fi
	popd >> /dev/null 2>&1
fi
if [ $EXIT -eq 0 ] ; then
	if [ ! -e $TMP_DIR/package/config ] ; then
		$BIN_ECHO "-> The package configuration file '$TMP_DIR/package/config' is missing"
		EXIT=1
	fi
fi
if [ $EXIT -eq 0 ] ; then
	. $TMP_DIR/package/config
	if [ -z "$VERSION" ] ; then
		VERSION="1.0"
	fi
fi
if [ $EXIT -eq 0 ] ; then
	$BIN_MKDIR -p $TMP_DIR/packaging
	if [ ! -d $TMP_DIR/packaging ] ; then
		$BIN_ECHO "-> Error while creating directory '$TMP_DIR/packaging'"
		EXIT=1
	fi
fi
if [ $EXIT -eq 0 ] ; then
	pushd $TMP_DIR/packaging >> /dev/null 2>&1
	case "$SVN_LOCATION" in
		trunk)
			SVN_PATH_DELIVERY="trunk/packaging/delivery"
			;;
		*)
			SVN_PATH_DELIVERY="$SVN_LOCATION/packaging/$VERSION/delivery"
			;;
	esac
	$BIN_SVN checkout --username $SVN_USER --password $SVN_PASS $SVN_URL/$SVN_PATH_DELIVERY . >> /dev/null 2>&1
	if [ $? -ne 0 ] ; then
		$BIN_ECHO "-> Error while checkouting URL '$SVN_URL/$SVN_PATH_DELIVERY'"
		EXIT=1
	fi
	popd >> /dev/null 2>&1
fi
if [ $EXIT -eq 0 ] ; then
	if [ ! -e $TMP_DIR/packaging/build ] ; then
		$BIN_ECHO "-> File '$TMP_DIR/packaging/build' is missing"
		EXIT=1
	fi
fi
if [ $EXIT -eq 0 ] ; then
	$BIN_ECHO "-> OK"
	$BIN_CHMOD 755 $TMP_DIR/packaging/build
	$TMP_DIR/packaging/build "$TARGET_DIR" "$BUILD_TYPE" "$SVN_LOCATION" "$SVN_DELIVERY" "$SVN_VERSION" "$SVN_BRANCH"
	if [ $? -ne 0 ] ; then
		EXIT=1
	fi
fi
if [ -n "$TMP_DIR" -a "$TMP_DIR" != "/" ] ; then
	$BIN_RM -rf $TMP_DIR
fi
exit $EXIT