Only use Atoms with package_tracker.match (bug 501360)
diff --git a/pym/_emerge/depgraph.py b/pym/_emerge/depgraph.py
index ae6b883..2ed7aeb 100644
--- a/pym/_emerge/depgraph.py
+++ b/pym/_emerge/depgraph.py
@@ -5817,7 +5817,7 @@
 		if pkg is None and onlydeps and not installed:
 			# Maybe it already got pulled in as a "merge" node.
 			for candidate in self._dynamic_config._package_tracker.match(
-				root_config.root, cpv):
+				root_config.root, Atom("="+cpv)):
 				if candidate.type_name == type_name and \
 					candidate.repo_name == myrepo and \
 					candidate.root_config is root_config and \
diff --git a/pym/portage/tests/resolver/test_onlydeps.py b/pym/portage/tests/resolver/test_onlydeps.py
new file mode 100644
index 0000000..986769a
--- /dev/null
+++ b/pym/portage/tests/resolver/test_onlydeps.py
@@ -0,0 +1,34 @@
+# Copyright 2014 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+from portage.tests import TestCase
+from portage.tests.resolver.ResolverPlayground import ResolverPlayground, ResolverPlaygroundTestCase
+
+class OnlydepsTestCase(TestCase):
+
+	def testOnlydeps(self):
+		ebuilds = {
+			"dev-libs/A-1": { "DEPEND": "dev-libs/B" },
+			"dev-libs/B-1": { },
+			}
+		installed = {
+			"dev-libs/B-1": { },
+		}
+
+		test_cases = (
+			ResolverPlaygroundTestCase(
+				["dev-libs/A", "dev-libs/B"],
+				all_permutations = True,
+				success = True,
+				options = { "--onlydeps": True },
+				mergelist = ["dev-libs/B-1"]),
+			)
+
+		playground = ResolverPlayground(ebuilds=ebuilds,
+			installed=installed, debug=False)
+		try:
+			for test_case in test_cases:
+				playground.run_TestCase(test_case)
+				self.assertEqual(test_case.test_success, True, test_case.fail_msg)
+		finally:
+			playground.cleanup()