# Copyright 1999-2008 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/app-backup/amanda/amanda-2.4.5_p1.ebuild,v 1.10 2008/08/13 21:13:32 robbat2 Exp $

inherit eutils

DESCRIPTION="The Advanced Maryland Automatic Network Disk Archiver"
HOMEPAGE="http://www.amanda.org/"
SRC_URI="mirror://sourceforge/amanda/${P/_/}.tar.gz"
LICENSE="as-is"
SLOT="0"
KEYWORDS="~amd64 ~ppc ~ppc64 ~sparc ~x86"
RDEPEND="sys-libs/readline
		virtual/inetd
		app-arch/mt-st
		sci-visualization/gnuplot
		sys-apps/gawk
		app-arch/tar
		dev-lang/perl
		sys-block/mtx
		app-arch/dump
		virtual/mailx
		samba? ( net-fs/samba )
		berkdb? ( sys-libs/db )
		gdbm? ( sys-libs/gdbm )
		!sparc? ( xfs? ( sys-fs/xfsdump ) )
		>=sys-apps/portage-2.0.51-r3"

DEPEND="${RDEPEND}
	sys-devel/autoconf
	sys-devel/automake"

IUSE="berkdb debug gdbm samba xfs"

S="${WORKDIR}/${P/_/}"
MYFILESDIR="${WORKDIR}/files"
MYTMPDIR="${WORKDIR}/tmp"
MYINSTTMPDIR="/usr/share/amanda"
ENVDIR="/etc/env.d"
ENVDFILE="97amanda"
TMPENVFILE="${MYTMPDIR}/${ENVDFILE}"
TMPINSTENVFILE="${MYINSTTMPDIR}/tmpenv-${ENVDFILE}"

amanda_variable_setup() {

	# Setting vars
	local currentamanda

	# Grab the current settings
	currentamanda="$(set | egrep "^AMANDA_" | xargs)"
	use debug && einfo "Current settings: ${currentamanda}"
	#for i in ${currentamanda}; do
	#	eval `eval echo ${i}`
	#	echo "Setting: ${i}"
	#done;

	# First we set the defaults
	[ -z "${AMANDA_GROUP_GID}" ] && AMANDA_GROUP_GID=87
	[ -z "${AMANDA_GROUP_NAME}" ] && AMANDA_GROUP_NAME=amanda
	[ -z "${AMANDA_USER_NAME}" ] && AMANDA_USER_NAME=amanda
	[ -z "${AMANDA_USER_UID}" ] && AMANDA_USER_UID=87
	[ -z "${AMANDA_USER_SH}" ] && AMANDA_USER_SH=-1
	[ -z "${AMANDA_USER_HOMEDIR}" ] && AMANDA_USER_HOMEDIR=/var/spool/amanda
	[ -z "${AMANDA_USER_GROUPS}" ] && AMANDA_USER_GROUPS="${AMANDA_GROUP_NAME}"
	# This installs Amanda, with the server. However, it could be a client,
	# just specify an alternate server name in AMANDA_SERVER.
	[ -z "${AMANDA_SERVER}" ] && AMANDA_SERVER="${HOSTNAME}"
	[ -z "${AMANDA_SERVER_TAPE}" ] && AMANDA_SERVER_TAPE="${AMANDA_SERVER}"
	[ -z "${AMANDA_SERVER_INDEX}" ] && AMANDA_SERVER_INDEX="${AMANDA_SERVER}"
	[ -z "${AMANDA_TAR_LISTDIR}" ] && AMANDA_TAR_LISTDIR=${AMANDA_USER_HOMEDIR}/tar-lists
	[ -z "${AMANDA_CONFIG_NAME}" ] && AMANDA_CONFIG_NAME=DailySet1
	[ -z "${AMANDA_TMPDIR}" ] && AMANDA_TMPDIR=${AMANDA_USER_HOMEDIR}/tmp
	# These are left empty by default
	[ -z "${AMANDA_PORTS_UDP}" ] && AMANDA_PORTS_UDP=
	[ -z "${AMANDA_PORTS_TCP}" ] && AMANDA_PORTS_TCP=
	[ -z "${AMANDA_PORTS_BOTH}" ] && AMANDA_PORTS_BOTH=
	[ -z "${AMANDA_PORTS}" ] && AMANDA_PORTS=

	# This one is a little more complicated
	# The priority list is this:
	# 1. 'Berkely DB style' (only if USE="berkdb")
	# 2. 'GDBM style' (only if USE="gdbm")
	# 3. 'Text style'
	[ -z "${AMANDA_DBMODE}" ] && use berkdb && AMANDA_DBMODE=db
	[ -z "${AMANDA_DBMODE}" ] && use gdbm && AMANDA_DBMODE=gdbm
	[ -z "${AMANDA_DBMODE}" ] && AMANDA_DBMODE=text

	# Now pull in the old stuff
	if [ -f "${ENVDIR}/${ENVDFILE}" ]; then
		# We don't just source it as we don't want everything in there.
		eval $(egrep "^AMANDA_" ${ENVDIR}/${ENVDFILE})
	fi

	# Re-apply the new settings if any
	[ -n "${currentamanda}" ] && eval `echo "${currentamanda}"`

}

pkg_setup() {
	# Now add users if needed
	amanda_variable_setup
	enewgroup "${AMANDA_GROUP_NAME}" "${AMANDA_GROUP_GID}"
	enewuser "${AMANDA_USER_NAME}" "${AMANDA_USER_UID}" "${AMANDA_USER_SH}" "${AMANDA_USER_HOMEDIR}" "${AMANDA_USER_GROUPS}"
}

src_unpack() {
	unpack ${A}
	# Fix glitch with recognizing tar-1.14.90
	EPATCH_OPTS="-p1 -d ${S}" epatch ${FILESDIR}/patch-tar-1.14.90 || die "Failed to add tar support patch"
	EPATCH_OPTS="-p1 -d ${S}" epatch ${FILESDIR}/${PN}-2.4.5-4tb-holding-disk.patch || die "Failed to patch for 4TB holding disks"
	# merged by upstream
	#EPATCH_OPTS="-p1 -d ${S}" epatch ${FILESDIR}/${PN}-2.4.5-samba-printf.patch || die "Failed to patch samba printf bug"
	EPATCH_OPTS="-p1 -d ${S}" epatch ${FILESDIR}/${PN}-2.4.5-amverify-loop-detect.patch || die "Failed to patch amverify loop bug"
	# now the real fun
	amanda_variable_setup
	# places for us to work in
	mkdir -p "${MYFILESDIR}" "${MYTMPDIR}"
	# Now we store the settings we just created
	set | egrep "^AMANDA_" > "${TMPENVFILE}"
}

src_compile() {
	# fix bug #36316
	addpredict /var/cache/samba/gencache.tdb

	[ ! -f "${TMPENVFILE}" ] && die "Variable setting file (${TMPENVFILE}) should exist!"
	source "${TMPENVFILE}"
	local myconf
	cd "${S}"

	einfo "Using '${AMANDA_DBMODE}' style database"
	myconf="${myconf} --with-db=${AMANDA_DBMODE}"
	einfo "Using ${AMANDA_SERVER_TAPE} for tape server."
	myconf="${myconf} --with-tape-server=${AMANDA_SERVER_TAPE}"
	einfo "Using ${AMANDA_SERVER_INDEX} for index server."
	myconf="${myconf} --with-index-server=${AMANDA_SERVER_TAPE}"
	einfo "Using ${AMANDA_USER_NAME} for amanda user."
	myconf="${myconf} --with-user=${AMANDA_USER_NAME}"
	einfo "Using ${AMANDA_GROUP_NAME} for amanda group."
	myconf="${myconf} --with-group=${AMANDA_GROUP_NAME}"
	einfo "Using ${AMANDA_TAR_LISTDIR} as tar listdir."
	myconf="${myconf} --with-gnutar-listdir=${AMANDA_TAR_LISTDIR}"
	einfo "Using ${AMANDA_CONFIG_NAME} as default config name."
	myconf="${myconf} --with-config=${AMANDA_CONFIG_NAME}"
	einfo "Using ${AMANDA_TMPDIR} as Amanda temporary directory."
	myconf="${myconf} --with-tmpdir=${AMANDA_TMPDIR}"

	if [ -n "${AMANDA_PORTS_UDP}" ] && [ -n "${AMANDA_PORTS_TCP}" ] && [ -z "${AMANDA_PORTS_BOTH}" ] ; then
		eerror "If you want _both_ UDP and TCP ports, please use only the"
		eerror "AMANDA_PORTS environment variable for identical ports, or set"
		eerror "AMANDA_PORTS_BOTH."
		die "Bad port setup!"
	fi
	if [ -n "${AMANDA_PORTS_UDP}" ]; then
		einfo "Using UDP ports ${AMANDA_PORTS_UDP/,/-}"
		myconf="${myconf} --with-udpportrange=${AMANDA_PORTS_UDP}"
	fi
	if [ -n "${AMANDA_PORTS_TCP}" ]; then
		einfo "Using TCP ports ${AMANDA_PORTS_TCP/,/-}"
		myconf="${myconf} --with-tcpportrange=${AMANDA_PORTS_TCP}"
	fi
	if [ -n "${AMANDA_PORTS}" ]; then
		einfo "Using ports ${AMANDA_PORTS/,/-}"
		myconf="${myconf} --with-portrange=${AMANDA_PORTS}"
	fi

	# Extras
	# Speed option
	myconf="${myconf} --with-buffered-dump"
	# Debug
	myconf="${myconf} `use_with debug debugging`"
	# Where to put our files
	myconf="${myconf} --localstatedir=${AMANDA_USER_HOMEDIR}"

	# Samba support
	use samba && myconf="${myconf} --with-smbclient=/usr/bin/smbclient" || myconf="${myconf} --without-smbclient"

	# Force the correct TAR
	myconf="${myconf} --with-gnutar=/bin/tar"

	econf ${myconf} || die "econf failed!"
	emake -j1 || die "emake failed!"

	# Compile the tapetype program too
	# This is deprecated, use amtapetype instead!
	# cd tape-src
	# emake tapetype || die "emake tapetype failed!"

	# Only needed if you we do versioning
	#dosed "s,/usr/local/bin/perl,/usr/bin/perl," ${S}/contrib/set_prod_link.pl
	#perl ${S}/contrib/set_prod_link.pl

}

src_install() {
	[ ! -f "${TMPENVFILE}" ] && die "Variable setting file (${TMPENVFILE}) should exist!"
	source ${TMPENVFILE}

	einfo "Doing stock install"
	emake -j1 DESTDIR="${D}" install || die

	# Prepare our custom files
	einfo "Building custom configuration files"
	cp "${FILESDIR}"/amanda-* "${MYFILESDIR}"
	local i # our iterator
	local sedexpr # var for sed expr
	sedexpr=''
	for i in AMANDA_GROUP_GID AMANDA_GROUP_NAME AMANDA_USER_NAME AMANDA_USER_UID AMANDA_USER_SH AMANDA_USER_HOMEDIR AMANDA_USER_GROUPS AMANDA_SERVER AMANDA_SERVER_TAPE AMANDA_SERVER_INDEX AMANDA_TAR_LISTDIR AMANDA_CONFIG_NAME AMANDA_TMPDIR AMANDA_PORTS_UDP AMANDA_PORTS_TCP AMANDA_PORTS_BOTH AMANDA_PORTS; do
		local val
		eval "val=\"\${${i}}\""
		sedexpr="${sedexpr}s|__${i}__|${val}|g;"
	done
	#einfo "Compiled SED expression: '${sedexpr}'"

	# now apply the sed expr
	for i in "${FILESDIR}"/amanda-* ; do
		local filename
		filename="`basename ${i}`"
		#einfo "Applying compiled SED expression to ${filename}"
		sed -re "${sedexpr}" <"${i}" >"${MYFILESDIR}"/${filename}
	done

	# Build the envdir file
	# Don't forget this..
	einfo "Building environment file"
	local t
	t="${MYFILESDIR}"/${ENVDFILE}
	echo "# These settings are what was present in the environment when this" >>"${t}"
	echo "# Amanda was compiled.  Changing anything below this comment will" >>"${t}"
	echo "# have no effect on your application, but it merely exists to" >>"${t}"
	echo "# preserve them for your next emerge of Amanda" >>"${t}"
	cat "${TMPENVFILE}" | sed "s,=\$,='',g" >>"${t}"

	into /usr

	# Depreacted, use amtapetype instead
	#einfo "Installing tapetype utility"
	#newsbin tape-src/tapetype tapetype

	# docs
	einfo "Installing documentation"
	dodoc AUTHORS C* INSTALL NEWS README
	# Clean up some bits
	dodoc "${D}"/usr/share/amanda/*
	rm -rf "${D}"/usr/share/amanda
	mkdir -p "${D}"/${MYINSTTMPDIR} || die
	cp ${TMPENVFILE} "${D}"/${TMPINSTENVFILE} || die
	# our inetd sample
	einfo "Installing standard inetd sample"
	dodoc "${MYFILESDIR}"/amanda-inetd.amanda.sample
	# Stock extra docs
	docinto docs
	dodoc "${S}"/docs/*
	# Labels
	einfo "Installing labels"
	docinto labels
	dodoc "${S}"/example/3hole.ps
	dodoc "${S}"/example/8.5x11.ps
	dodoc "${S}"/example/DIN-A4.ps
	dodoc "${S}"/example/DLT.ps
	dodoc "${S}"/example/EXB-8500.ps
	dodoc "${S}"/example/HP-DAT.ps
	# Amanda example configs
	einfo "Installing example configurations"
	docinto example
	dodoc "${S}"/example/*
	docinto example1
	newdoc "${FILESDIR}"/example_amanda.conf amanda.conf
	newdoc "${FILESDIR}"/example_disklist disklist
	newdoc "${FILESDIR}"/example_global.conf global.conf
	docinto example2
	newdoc "${S}"/example/amanda.conf amanda.conf
	newdoc "${S}"/example/disklist disklist
	# Compress it all
	prepalldocs

	# Just make sure it exists for XFS to work...
	use !sparc && use xfs && keepdir /var/xfsdump/inventory

	insinto /etc/amanda
	einfo "Installing .amandahosts File for ${AMANDA_USER_NAME} user"
	newins "${MYFILESDIR}"/amanda-amandahosts amandahosts
	dosym /etc/amanda/amandahosts ${AMANDA_USER_HOMEDIR}/.amandahosts
	insinto ${AMANDA_USER_HOMEDIR}
	einfo "Installing .profile for ${AMANDA_USER_NAME} user"
	newins "${MYFILESDIR}"/amanda-profile .profile

	einfo "Installing Sample Daily Cron Job for Amanda"
	CRONDIR=/etc/cron.daily/
	exeinto ${CRONDIR}
	newexe "${MYFILESDIR}"/amanda-cron amanda
	# Not excetuable by default
	fperms 644 ${CRONDIR}/amanda

	insinto /etc/amanda/${AMANDA_CONFIG_NAME}
	keepdir /etc/amanda
	keepdir /etc/amanda/${AMANDA_CONFIG_NAME}

	local i
	for i in ${AMANDA_USER_HOMEDIR} ${AMANDA_TAR_LISTDIR} ${AMANDA_TMPDIR} ${AMANDA_TMPDIR}/dumps ${AMANDA_USER_HOMEDIR}/${AMANDA_CONFIG_NAME} /etc/amanda /etc/amanda/${AMANDA_CONFIG_NAME}; do
		einfo "Securing directory (${i})"
		dodir ${i}
		keepdir ${i}
		fowners ${AMANDA_USER_NAME}:${AMANDA_GROUP_NAME} ${i}
		fperms 700 ${i}
	done

	# DevFS
	einfo "Installing DevFS config file"
	insinto /etc/devfs.d
	newins "${MYFILESDIR}"/amanda-devfs amanda

	# Env.d
	einfo "Installing environment config file"
	doenvd "${MYFILESDIR}"/${ENVDFILE}

	# Installing Amanda Xinetd Services Definition
	einfo "Installing xinetd service file"
	insinto /etc/xinetd.d
	newins "${MYFILESDIR}"/amanda-xinetd amanda

}

pkg_postinst() {
	local aux="${ROOT}"/${TMPINSTENVFILE}
	[ ! -f "${aux}" ] && die "Variable setting file (${aux}) should exist!"
	source "${aux}"
	rm "${aux}"
	rmdir "${ROOT}"/${MYINSTTMPDIR} 2>/dev/null # ignore error

	local i
	for i in amandates dumpdates; do
		einfo "Creating inital Amanda file (${i})"
		touch "${ROOT}"/etc/${i}
		chown ${AMANDA_USER_NAME}:${AMANDA_GROUP_NAME} "${ROOT}"/etc/${i}
		chmod 600 "${ROOT}"/etc/${i}
	done

	elog "You should configure Amanda in /etc/amanda now."
	elog
	elog "If you use xinetd, Don't forget to check /etc/xinetd.d/amanda"
	elog "and restart xinetd afterwards!"
	elog
	elog "Otherwise, please look at /usr/share/doc/${P}/inetd.amanda.sample"
	elog "as an example of how to configure your inetd."
	elog
	elog "NOTICE: If you need raw acces to partitions you need to add the"
	elog "amanda user to the 'disk' group and uncomment following lines in"
	elog "your /etc/devfs.d/amanda:"
	elog "SCSI:"
	elog "REGISTER   ^scsi/host.*/bus.*/target.*/lun.*/part[0-9]  PERMISSIONS root.disk 660"
	elog "IDE:"
	elog "REGISTER   ^ide/host.*/bus.*/target.*/lun.*/part[0-9]   PERMISSIONS root.disk 660"
	elog
	elog "NOTICE: If you have a tape changer, also uncomment the following"
	elog "REGISTER   ^scsi/host.*/bus.*/target.*/lun.*/generic    PERMISSIONS root.disk 660"
}