Test for sufficient Gnus version in pkg_setup.

Package-Manager: portage-2.1.3_rc6

1 files changed, 37 insertions, 0 deletions

diff --git a/virtual/gnus/gnus-5.10.ebuild b/virtual/gnus/gnus-5.10.ebuild
new file mode 100644
index 000000000000..3a150d570150
--- /dev/null
+++ b/virtual/gnus/gnus-5.10.ebuild
@@ -0,0 +1,37 @@
+# Copyright 1999-2007 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/virtual/gnus/gnus-5.10.ebuild,v 1.1 2007/07/02 14:10:11 ulm Exp $
+
+inherit versionator
+
+DESCRIPTION="Virtual for the Gnus newsreader"
+HOMEPAGE="http://www.gentoo.org/proj/en/lisp/emacs/"
+SRC_URI=""
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="alpha amd64 ppc ~ppc64 sparc ~sparc-fbsd x86 ~x86-fbsd"
+IUSE=""
+
+RDEPEND="|| (
+		>=app-emacs/gnus-5.10.8
+		>=app-emacs/gnus-cvs-5.11
+		>=virtual/emacs-22
+	)"
+
+DEPEND="${RDEPEND}
+	virtual/emacs"
+
+pkg_setup () {
+	local gvn=$(emacs -batch -q \
+		--eval "(and (require 'gnus nil t) (princ gnus-version-number))")
+
+	if [ "${gvn}" ] && version_is_at_least ${PV} "${gvn}"; then
+		einfo "Gnus version ${gvn} detected."
+	else
+		eerror "virtual/${P} requires at least Gnus version ${PV}."
+		eerror "You should either install package app-emacs/{gnus,gnus-cvs},"
+		eerror "or use \"eselect emacs\" to select an Emacs version >= 22."
+		die "Gnus version ${gvn} is too low."
+	fi
+}