# Copyright 1999-2009 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2

# 2009/04/22 by Daniel Mettler (numlock.ch)

inherit perl-module

DESCRIPTION="The Heise iX SpamAssassin plugin that computes MD5 checksums of
e-mail messages and compares them to those of known spam using DNS queries to
a RBL-like name server."
HOMEPAGE="http://sourceforge.net/projects/ixhash/"
SRC_URI="http://switch.dl.sourceforge.net/sourceforge/ixhash/${P}.tgz"

LICENSE="Apache Software License"
SLOT="0"
KEYWORDS="~amd64 ~x86"
IUSE=""

DEPEND="dev-lang/perl
		>=mail-filter/spamassassin-3.1.0"
RDEPEND="${DEPEND}"

S="${WORKDIR}"

src_compile() {
	perlinfo

	# tell spamassassin where to look for the .pm file

	# first prepare the plugin_dir variable..
	local plugin_dir=${VENDOR_LIB}/Mail/SpamAssassin/Plugin
	# ..mask all slashes using backslashes as sed doesn't like them
	plugin_dir=${plugin_dir//\//\\/}

	# now let's adjust the loadplugin directive accordingly
	sed -rie "s/^(loadplugin.*)\/etc\/mail\/spamassassin/\1 ${plugin_dir}/"	${P}/iXhash/iXhash.cf
}

src_install() {
	perlinfo

	local plugin_dir=${VENDOR_LIB}/Mail/SpamAssassin/Plugin

	cd ${P}

	insinto ${plugin_dir}
	doins iXhash/iXhash.pm

	insinto /etc/mail/spamassassin/
	doins iXhash/iXhash.cf

	rm LICENSE WHERE_ARE_THE_OTHER_FILES

	dodoc CHANGELOG INSTALL README iXhash.eml
}

pkg_postinst() {
	echo
	elog "1. (optional) Adjust the scores given in"
	elog "   /etc/mail/spamassassin/iXhash.cf"
	elog "   if there are too many false positives/negatives"
	elog "2. (optional) Test the plugin by executing"
	elog
	elog "   'spamassassin -D IXHASH < iXhash.eml'"
	elog
	elog "   where 'iXhash.eml' can be found (as .bz2) in"
	elog "   /usr/share/doc/${P}"
	elog "   The output should show that the plugin is being used and that"
	elog "   generic.ixhash.net is triggered"
	elog "3. Restart spamassassin to make the plugin work"
	elog "   /etc/init.d/spamd restart"
	echo
}