#!/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

#
# Binaries
#
BIN_CHMOD="/bin/chmod"
BIN_CUT="/bin/cut"
BIN_ECHO="/bin/echo"
BIN_GETDIST="/usr/bin/getdist"
BIN_MKDIR="/bin/mkdir"
BIN_RM="/bin/rm"
BIN_SVN="/usr/bin/svn"
BIN_TAR="/bin/tar"

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

#
# Internal variables
#
EXIT=0
BUILD=1
COMPONENTS=""
SVN_LOG=""
TARBALL_NAME=""

#
# Config variables
#
TARGET_OS=""
FILES_TO_DELETE=""

#
# Functions
#

deletedir()
# $1: dir to delete
{
	DIR=$1
	if [ -n "$DIR" ] ; then
		if [ "$DIR" != "/" ] ; then
			$BIN_RM -rf $DIR
		else
			$BIN_ECHO "-> The name of the directory to delete is '/' !!!"
			EXIT=1
		fi
	else
		$BIN_ECHO "-> The name of the directory to delete is empty"
		EXIT=1
	fi
}

readconfig()
# $1: target directory
# $2: build type (dev, rel)
# $3: SVN location (trunk, tags, branches)
# $4: delivery name
# $5: delivery version
# $6: branch identifier
{
	if [ $EXIT -eq 0 ] ; then
		$BIN_ECHO "Reading configuration"
		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"
			EXIT=1
		else
			if [ "$2" != "dev" -a "$2" != "rel" ] ; then
				$BIN_ECHO "-> Build type '$2' is not supported"
				EXIT=1
			else
				BUILD_TYPE=$2
			fi
		fi
		if [ -z "$3" ] ; then
			$BIN_ECHO "-> SVN location parameter is missing"
			EXIT=1
		else
			if [ "$3" != "trunk" -a "$3" != "tags" -a "$3" != "branches" ] ; then
				$BIN_ECHO "-> SVN location '$3' is not supported"
				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 $BIN_GETDIST ] ; then
			HOST_OS=`$BIN_GETDIST`
		else
			$BIN_ECHO "-> Binary '$BIN_GETDIST' is missing"
			EXIT=1
		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_VERSION=""
				SVN_BRANCH=""
				SVN_PATH_PACKAGE="trunk/delivery/$SVN_DELIVERY/package"
				SVN_LOG="$TARGET_DIR/delivery-$SVN_DELIVERY-trunk.svnlog"
				TARBALL_NAME=$SVN_DELIVERY-trunk
				;;
			tags)
				SVN_BRANCH=""
				SVN_PATH_PACKAGE="tags/delivery/$SVN_DELIVERY/$SVN_VERSION/package"
				SVN_LOG="$TARGET_DIR/delivery-$SVN_DELIVERY-$SVN_VERSION.svnlog"
				TARBALL_NAME=$SVN_DELIVERY-$SVN_VERSION
				;;
			branches)
				SVN_PATH_PACKAGE="branches/delivery/$SVN_DELIVERY/$SVN_VERSION-$SVN_BRANCH/package"
				SVN_LOG="$TARGET_DIR/delivery-$SVN_DELIVERY-$SVN_VERSION-$SVN_BRANCH.svnlog"
				TARBALL_NAME=$SVN_DELIVERY-$SVN_VERSION-$SVN_BRANCH
				;;
			*)
				$BIN_ECHO "-> SVN location '$SVN_LOCATION' is not supported"
				EXIT=1
		esac
	fi
	if [ $EXIT -eq 0 ] ; then
		if [ -e $TARGET_DIR/$TARBALL_NAME ] ; then
			$BIN_ECHO "-> Directory '$TARGET_DIR/$TARBALL_NAME' already exists"
			EXIT=1
		fi
	fi
	if [ $EXIT -eq 0 ] ; then
		$BIN_RM -f $SVN_LOG
	fi
	if [ $EXIT -eq 0 ] ; then
		TMP_DIR="$TARGET_DIR/readconfig"
		if [ -e $TMP_DIR ] ; then
			$BIN_ECHO "-> Directory '$TMP_DIR' already exists"
			EXIT=1
		else
			$BIN_MKDIR -p $TMP_DIR
			if [ $? -ne 0 ] ; then
				$BIN_ECHO "-> Error while creating directory '$TMP_DIR'"
				EXIT=1
			fi
		fi
	fi
	if [ $EXIT -eq 0 ] ; then
		pushd $TMP_DIR >> /dev/null 2>&1
		$BIN_ECHO -e "\n\n\n$BIN_SVN checkout --username $SVN_USER --password $SVN_PASS $SVN_URL/$SVN_PATH_PACKAGE .\n\n\n" >> $SVN_LOG
		$BIN_SVN checkout --username $SVN_USER --password $SVN_PASS $SVN_URL/$SVN_PATH_PACKAGE . >> $SVN_LOG 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/config ] ; then
			TARGET_OS=""
			DEV_COMPONENTS=""
			REL_COMPONENTS=""
			. $TMP_DIR/config
			if [ "$BUILD_TYPE" = "dev" ] ; then
				COMPONENTS=$DEV_COMPONENTS
			else
				COMPONENTS=$REL_COMPONENTS
			fi
		else
			$BIN_ECHO "-> File '$TMP_DIR/config' is missing"
			EXIT=1
		fi
	fi
	deletedir $TMP_DIR
	if [ $EXIT -eq 0 ] ; then
		echo "-> OK"
	fi
}

checkbuild()
{
	if [ $EXIT -eq 0 ] ; then
		$BIN_ECHO "Checking delivery '$SVN_DELIVERY'"
		BUILD=0
		if [ -z "$TARGET_OS" ] ; then
			BUILD=1
		else
			for OS in $TARGET_OS ; do
				if [ "$OS" = "$HOST_OS" ] ; then
					BUILD=1
				fi
			done
		fi
		if [ $BUILD -eq 1 ] ; then
			MESSAGE="Delivery need to be built for this OS"
		else
			MESSAGE="No need to build for this OS"
		fi
	fi
	if [ $EXIT -eq 0 ] ; then
		$BIN_ECHO "-> $MESSAGE"
	fi
}

buildcomponent()
{
	if [ $EXIT -eq 0 ] ; then
		COMPONENT=$1
		$BIN_ECHO "Preparing to build component '$COMPONENT'"
		COMPONENT_SVN_LOCATION=`$BIN_ECHO $COMPONENT | $BIN_CUT -d':' -f1`
		COMPONENT_SVN_COMPONENT=`$BIN_ECHO $COMPONENT | $BIN_CUT -d':' -f2`
		COMPONENT_SVN_VERSION=""
		COMPONENT_SVN_RELEASE=""
		COMPONENT_SVN_BRANCH=""
		if [ "$COMPONENT_SVN_LOCATION" != "trunk" ] ; then
			COMPONENT_SVN_VERSION_RELEASE_BRANCH=`$BIN_ECHO $COMPONENT | $BIN_CUT -d':' -f3`
			COMPONENT_SVN_VERSION=`$BIN_ECHO $COMPONENT_SVN_VERSION_RELEASE_BRANCH | $BIN_CUT -d'-' -f1`
			COMPONENT_SVN_RELEASE=`$BIN_ECHO $COMPONENT_SVN_VERSION_RELEASE_BRANCH | $BIN_CUT -d'-' -f2`
			if [ "$COMPONENT_SVN_LOCATION" = "branches" ] ; then
				COMPONENT_SVN_BRANCH=`$BIN_ECHO $COMPONENT_SVN_VERSION_RELEASE_BRANCH | $BIN_CUT -d'-' -f3`
			fi
		fi
		case "$COMPONENT_SVN_LOCATION" in
			trunk)
				COMPONENT_SVN_PATH_PACKAGE="trunk/component/$COMPONENT_SVN_COMPONENT/package"
				;;
			tags)
				COMPONENT_SVN_PATH_PACKAGE="tags/component/$COMPONENT_SVN_COMPONENT/package/$COMPONENT_SVN_VERSION-$COMPONENT_SVN_RELEASE"
				;;
			branches)
				COMPONENT_SVN_PATH_PACKAGE="branches/component/$COMPONENT_SVN_COMPONENT/package/$COMPONENT_SVN_VERSION-$COMPONENT_SVN_RELEASE-$COMPONENT_SVN_BRANCH"
				;;
			*)
				$BIN_ECHO "-> SVN location '$COMPONENT_SVN_LOCATION' is not supported"
				EXIT=1
		esac
	fi
	if [ $EXIT -eq 0 ] ; then
		TMP_DIR="$TARGET_DIR/buildcomponent"
		if [ -e $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

		$BIN_ECHO -e "\n\n\n$BIN_SVN checkout --username $SVN_USER --password $SVN_PASS $SVN_URL/$COMPONENT_SVN_PATH_PACKAGE .\n\n\n" >> $SVN_LOG
		$BIN_SVN checkout --username $SVN_USER --password $SVN_PASS $SVN_URL/$COMPONENT_SVN_PATH_PACKAGE . >> $SVN_LOG 2>&1
		if [ $? -ne 0 ] ; then
			$BIN_ECHO "-> Error while checkouting URL '$SVN_URL/$COMPONENT_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
			$BIN_ECHO "-> Version of packaging scripts is missing"
			EXIT=1
		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 $TMP_DIR/packaging >> /dev/null 2>&1
		case "$COMPONENT_SVN_LOCATION" in
			trunk)
				COMPONENT_SVN_PATH_PACKAGING="trunk/packaging/component"
				;;
			*)
				COMPONENT_SVN_PATH_PACKAGING="$COMPONENT_SVN_LOCATION/packaging/$VERSION/component"
				;;
		esac
		$BIN_ECHO -e "\n\n\n$BIN_SVN checkout --username $SVN_USER --password $SVN_PASS $SVN_URL/$COMPONENT_SVN_PATH_PACKAGING .\n\n\n" >> $SVN_LOG
		$BIN_SVN checkout --username $SVN_USER --password $SVN_PASS $SVN_URL/$COMPONENT_SVN_PATH_PACKAGING . >> $SVN_LOG 2>&1
		if [ $? -ne 0 ] ; then
			$BIN_ECHO "-> Error while checkouting URL '$SVN_URL/$COMPONENT_SVN_PATH_PACKAGING'"
			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/$TARBALL_NAME" "$COMPONENT_SVN_LOCATION" "$COMPONENT_SVN_COMPONENT" "$COMPONENT_SVN_VERSION" "$COMPONENT_SVN_RELEASE" "$COMPONENT_SVN_BRANCH"
		if [ $? -ne 0 ] ; then
			EXIT=1
		fi
	fi
	deletedir $TMP_DIR
}

deletefiles()
{
	if [ $EXIT -eq 0 ] ; then
		$BIN_ECHO "Deleting files for delivery '$SVN_DELIVERY'"
		if [ -n "$FILES_TO_DELETE" ] ; then
			pushd $TARGET_DIR/$TARBALL_NAME >> /dev/null 2>&1
			$BIN_RM -f $FILES_TO_DELETE
			popd >> /dev/null 2>&1
			$BIN_ECHO "-> OK"
		else
			$BIN_ECHO "-> No files to delete"
		fi
	fi
}

createtarball()
{
	if [ $EXIT -eq 0 ] ; then
		$BIN_ECHO "Creating tarball for delivery '$SVN_DELIVERY'"
		pushd $TARGET_DIR >> /dev/null 2>&1
		$BIN_TAR -czf $TARBALL_NAME.tar.gz $TARBALL_NAME
		if [ $? -ne 0 ] ; then
			$BIN_ECHO "-> Error while creating tarball"
		else
			$BIN_ECHO "-> OK"
		fi
		popd >> /dev/null 2>&1
	fi
}

#
# Main script
#
readconfig $1 $2 $3 $4 $5 $6
checkbuild
if [ $BUILD -eq 1 ] ; then
	DELETE_TARBALL_DIR=0
	if [ $EXIT -eq 0 ] ; then
		$BIN_MKDIR -p $TARGET_DIR/$TARBALL_NAME
		if [ $? -ne 0 ] ; then
			$BIN_ECHO "-> Error while creating directory '$TARGET_DIR/$TARBALL_NAME'"
			EXIT=1
		else
			DELETE_TARBALL_DIR=1
		fi
	fi
	for COMPONENT in $COMPONENTS ; do
		buildcomponent $COMPONENT
	done
	deletefiles
	createtarball
	if [ $DELETE_TARBALL_DIR -eq 1 ] ; then
		deletedir $TARGET_DIR/$TARBALL_NAME
	fi
fi
if [ $EXIT -ne 0 ] ; then
	$BIN_ECHO ""
	$BIN_ECHO "****************************************"
	$BIN_ECHO "Build of delivery '$SVN_DELIVERY' failed !"
	$BIN_ECHO "SVN log: $SVN_LOG"
	$BIN_ECHO "****************************************"
fi
exit $EXIT