From 4b897286cf94c6ec2c556a75ea2e67798e1157cc Mon Sep 17 00:00:00 2001
From: Zac Medico <zmedico@gentoo.org>
Date: Sat, 1 Dec 2012 15:22:59 -0800
Subject: [PATCH] emerge --depclean: rm unavailable slot bug 445506

---
 pym/_emerge/depgraph.py                       |  8 ++
 .../test_depclean_slot_unavailable.py         | 79 +++++++++++++++++++
 2 files changed, 87 insertions(+)
 create mode 100644 pym/portage/tests/resolver/test_depclean_slot_unavailable.py

diff --git a/pym/_emerge/depgraph.py b/pym/_emerge/depgraph.py
index f5fe4352f..65a94ab37 100644
--- a/pym/_emerge/depgraph.py
+++ b/pym/_emerge/depgraph.py
@@ -4634,6 +4634,14 @@ class depgraph(object):
 					unmasked = [pkg for pkg in matches if not pkg.masks]
 					if unmasked:
 						matches = unmasked
+						if len(matches) > 1:
+							# Now account for packages for which existing
+							# ebuilds are masked or unavailable (bug #445506).
+							unmasked = [pkg for pkg in matches if
+								self._equiv_ebuild_visible(pkg)]
+							if unmasked:
+								matches = unmasked
+
 		pkg = matches[-1] # highest match
 		in_graph = self._dynamic_config._slot_pkg_map[root].get(pkg.slot_atom)
 		return pkg, in_graph
diff --git a/pym/portage/tests/resolver/test_depclean_slot_unavailable.py b/pym/portage/tests/resolver/test_depclean_slot_unavailable.py
new file mode 100644
index 000000000..9d1718971
--- /dev/null
+++ b/pym/portage/tests/resolver/test_depclean_slot_unavailable.py
@@ -0,0 +1,79 @@
+# Copyright 2012 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 DepcleanUnavailableSlotTestCase(TestCase):
+
+	def testDepcleanUnavailableSlot(self):
+		"""
+		Test bug #445506, where we want to remove the slot
+		for which the ebuild is no longer available, even
+		though its version is higher.
+		"""
+
+		ebuilds = {
+			"sys-kernel/gentoo-sources-3.0.53": {
+				"SLOT": "3.0.53",
+				"KEYWORDS": "x86"
+			},
+		}
+
+		installed = {
+			"sys-kernel/gentoo-sources-3.0.53": {
+				"SLOT": "3.0.53",
+				"KEYWORDS": "x86"
+			},
+			"sys-kernel/gentoo-sources-3.2.21": {
+				"SLOT": "3.2.21",
+				"KEYWORDS": "x86"
+			},
+		}
+
+		world = [ "sys-kernel/gentoo-sources" ]
+
+		test_cases = (
+
+			ResolverPlaygroundTestCase(
+				[],
+				options = {"--depclean": True},
+				success = True,
+				cleanlist = ["sys-kernel/gentoo-sources-3.2.21"]),
+		)
+
+		playground = ResolverPlayground(ebuilds=ebuilds,
+			installed=installed, world=world, 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()
+
+		# Now make the newer version availale and verify that
+		# the lower version is depcleaned.
+		ebuilds.update({
+			"sys-kernel/gentoo-sources-3.2.21": {
+				"SLOT": "3.2.21",
+				"KEYWORDS": "x86"
+			},
+		})
+
+		test_cases = (
+			ResolverPlaygroundTestCase(
+				[],
+				options = {"--depclean": True},
+				success = True,
+				cleanlist = ["sys-kernel/gentoo-sources-3.0.53"]),
+		)
+
+		playground = ResolverPlayground(ebuilds=ebuilds,
+			installed=installed, world=world, 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()
-- 
2.26.2