#!/bin/bash
SRCDIR="/root/hula"
DISTDIR="/opt/distfiles"
OVERLAY="/usr/local/portage/overlay"
SCRIPTDIR="/opt/scripts"

enterRevision() {
	if [ -f "${SRCDIR}/trunk/.svn/entries" ]; then
		REVISION=`cat "${SRCDIR}/trunk/.svn/entries" | grep revision= | cut -d "\"" -f 2`
		echo "* Detected rev: ${REVISION}"
	else
		echo "Hula source not found in ${SOURCE}..."
		echo -n "Press <enter> to get Hula from SNV or <ctrl-c> to quit..."
		read
		svnCheckout
	fi
}

createSymlink() {
	enterRevision
	echo "* Removing current symlinks (if any)"
	rm -f ${SRCDIR}/trunk/hula-r*
	echo "* Creating new symlink (hula-r${REVISION})"
	cd ${SRCDIR}/trunk
	ln -s hula hula-r${REVISION}
}

svnCheckout() {
	cd "${SRCDIR}"
	echo "* Logging into SVN. When prompted for a password, enter \"anonymous\" (twice)"
	svn checkout svn+ssh://anonymous@forgesvn1.novell.com/svn/hula/trunk
	echo
	createSymlink
	echo "* Done..."
}

buildTarball() {
	createSymlink
	echo "Building ${DISTDIR}/hula-r${REVISION}.tgz (this may take a while...)"
	cd "${SRCDIR}/trunk"
	tar zchf "${DISTDIR}/hula-r${REVISION}.tgz" hula-r${REVISION}/
	echo "* Done..."
}

quitScript() {
	echo
	echo "Cleaning up symlinks..."
	rm -f "${SRCDIR}/trunk/hula-r*"
}

updateEbuild() {
	enterRevision
	cd ${SRCDIR}
	mkdir -p "${OVERLAY}/net-mail/hula"
	echo "* Creating new ebuild (hula-${REVISION}.ebuild)"
	cp -p ${SCRIPTDIR}/hula-xxx.ebuild "${OVERLAY}/net-mail/hula/hula-${REVISION}.ebuild"
	echo "* Creating digest for new ebuild (hula-${REVISION}.ebuild)"
	cd "${OVERLAY}/net-mail/hula"
	ebuild hula-${REVISION}.ebuild digest
	echo "* Done..."
}

displayMenu() {
	echo
	echo "Get hula from SVN script..."
	echo
	echo "  1. Update from SVN"
	echo "  2. Build tarball in \"${DISTDIR}\""
	echo "  3. Update ebuild in \"${OVERLAY}\""
	echo "  a. 1-2-3"
	echo "  q. Give up..."
	echo
	echo -n "> What do you want? "
	read ANSWER
	case ${ANSWER} in
		"1" )   svnCheckout && displayMenu;;
		"2" )   buildTarball && displayMenu;;
		"3" )   updateEbuild && displayMenu;;
		"a" )   svnCheckout && buildTarball && updateEbuild && displayMenu;;
		"q" )   quitScript;;
		* )	echo "??? Don't understand you..." && displayMenu;;
        esac
}

displayMenu