add gentoo portage overlay requirement

www-apps/zarafa-sabre/zarafa-sabre-0.21.6.ebuild

@@ -0,0 +1,53 @@
+# Copyright 1999-2013 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: $
+
+EAPI=2
+
+inherit webapp eutils rpm depend.php versionator
+
+MY_PV=$(replace_version_separator 3 '-'  )
+MY_PVV=$(replace_version_separator 3 'beta' $MY_PV )
+MY_PVM=$(get_version_component_range 1-2 )
+MY_PVS=$(get_version_component_range 3 )
+
+DESCRIPTION="A SabreDAV backend for Zarafa groupware"
+HOMEPAGE="https://code.google.com/p/sabre-zarafa/"
+
+SRC_URI="https://sabre-zarafa.googlecode.com/files/sabre-zarafa-${MY_PVM}.tar.gz
+	https://sabredav.googlecode.com/files/SabreDAV-1.6.${MY_PVS}.zip"
+
+S="${WORKDIR}/sabre-zarafa-${MY_PVM}"
+
+LICENSE="AGPL-3"
+KEYWORDS="~amd64 ~arm ~x86"
+RESTRICT="mirror"
+IUSE=""
+
+need_php_httpd
+
+pkg_setup () {
+	webapp_pkg_setup
+	require_php_with_use iconv session xml
+}
+
+src_install() {
+	webapp_src_preinst
+
+	# rearrange files and remove unneeded ones
+	rm lib/Sabre.includes.php || die "Unexpected source layout; ebuild needs update"
+	rm -r lib/Sabre || die "Unexpected source layout; ebuild needs update"
+	cp -r "${S}/../SabreDAV/lib/Sabre" "${S}/lib" || die "Unexpected source layout; ebuild needs update"
+	cp -r "${S}/../SabreDAV/lib/Sabre.includes.php" "${S}/lib" || die "Unexpected source layout; ebuild needs update"
+	
+	insinto "${MY_HTDOCSDIR}"
+	doins -r "${S}"/*
+
+	webapp_serverowned "${MY_HTDOCSDIR}/config.inc.php"
+	webapp_configfile "${MY_HTDOCSDIR}/config.inc.php"
+
+	webapp_postinst_txt en "${FILESDIR}"/postinstall-en.txt
+	webapp_postupgrade_txt en "${FILESDIR}"/postupgrade-en.txt
+
+	webapp_src_install
+}