#!/bin/sh

#
# This script builds a component
#
# Parameters:
# $1: target distribution
# $2: target directory
# $3: SVN location (trunk, tags, branches)
# $4: component name
# $5: source version
# $6: package release
# $7: branch identifier

#
# Environment variable that don't have to be defined anymore
# default values are set if not
# by the calling script
#
# SVN_URL SVN_USER SVN_PASS
# Set vars to get from anonymous svn as a default
SVN_URL=${SVN_URL:-svn://scm.fusionforge.org/fusionforge}
SVN_USER=${SVN_USER:-nouser}
SVN_PASS=${SVN_PASS:-nopass}
echo "SVN_URL=$SVN_URL"
echo "SVN_USER=$SVN_USER"
echo "SVN_PASS=$SVN_PASS"

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

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

#
# Parameters
#
TARGET_DIR=""
SVN_LOCATION=""
SVN_COMPONENT=""
SVN_VERSION=""
SVN_RELEASE=""
SVN_BRANCH=""
TARGET_DIST=""

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

#
# Main script
#
$BIN_ECHO "Preparing to build component '$4'"
if [ $EXIT -eq 0 ] ; then
	check_svn_parameters
	case "$1" in
		rpm)
			BIN_BASENAME="/bin/basename"
			BIN_BUILD="build"
			;;
		deb)
			BIN_BASENAME="/usr/bin/basename"
			BIN_BUILD="build_deb"
			;;
		*)
			$BIN_ECHO "-> target distribution '$1' is not supported (rpm or deb are supported)"
			EXIT=1
	esac
	if [ ! -x $BIN_BASENAME ] ; then 
		$BIN_ECHO "-> Binary '$BIN_BASENAME' is missing"
		EXIT=1
	fi
	if [ -z "$2" ] ; then
		$BIN_ECHO "-> Target directory parameter is missing"
		EXIT=1
	else
		if [ -d $2 ] ; then
			TARGET_DIR=$2
		else
			$BIN_ECHO "-> Target directory '$2' does not exist"
			EXIT=1
		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 component parameter is missing"
		EXIT=1
	else
		SVN_COMPONENT=$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" = "tags" -o "$SVN_LOCATION" = "branches" ] ; then
			$BIN_ECHO "-> SVN release parameter is missing"
			EXIT=1
		fi
	else
		SVN_RELEASE=$6
	fi
	if [ -z "$7" ] ; then
		if [ "$SVN_LOCATION" = "branches" ] ; then
			$BIN_ECHO "-> SVN branch parameter is missing"
			EXIT=1
		fi
	else
		SVN_BRANCH=$7
	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/component/$SVN_COMPONENT/package"
			;;
		tags)
			SVN_PATH_PACKAGE="tags/component/$SVN_COMPONENT/package/$SVN_VERSION-$SVN_RELEASE"
			;;
		branches)
			SVN_PATH_PACKAGE="branches/component/$SVN_COMPONENT/package/$SVN_VERSION-$SVN_RELEASE-$SVN_BRANCH"
			;;
		*)
			$BIN_ECHO "-> SVN location '$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 $TMP_DIR/packaging >> /dev/null 2>&1
	#$BIN_SVN checkout --username $SVN_USER --password $SVN_PASS $SVN_URL/tags/packaging/$VERSION/component . >> /dev/null 2>&1
	$BIN_SVN checkout --username $SVN_USER --password $SVN_PASS $SVN_URL/trunk/packaging/component . >> /dev/null 2>&1
	if [ $? -ne 0 ] ; then
		#$BIN_ECHO "-> Error while checkouting URL '$SVN_URL/tags/packaging/$VERSION/component'"
		$BIN_ECHO "-> Error while checkouting URL '$SVN_URL/trunk/packaging/component'"
		EXIT=1
	fi
	popd >> /dev/null 2>&1
fi
if [ $EXIT -eq 0 ] ; then
	if [ ! -e $TMP_DIR/packaging/$BIN_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 $TMP_DIR/packaging/$BIN_BUILD
	$TMP_DIR/packaging/$BIN_BUILD "$TARGET_DIR" "$SVN_LOCATION" "$SVN_COMPONENT" "$SVN_VERSION" "$SVN_RELEASE" "$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