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* [gentoo-portage-dev] [PATCH] _slot_operator_update_probe: fix bug #528610
@ 2014-11-16  7:11 Zac Medico
  2014-11-16  8:46 ` Brian Dolbec
  0 siblings, 1 reply; 2+ messages in thread
From: Zac Medico @ 2014-11-16  7:11 UTC (permalink / raw
  To: gentoo-portage-dev; +Cc: Zac Medico

This fixes a case inside _slot_operator_update_probe where it would
select an inappropriate replacement_parent of a lower version than
desired. The problem is solved by rejecting replacement_parent if its
version is lower than the existing parent, and a downgrade is not
desired.

X-Gentoo-Bug: 528610
X-Gentoo-Bug-URL: https://bugs.gentoo.org/show_bug.cgi?id=528610
---
 pym/_emerge/depgraph.py                            |  8 +++
 ..._slot_operator_update_probe_parent_downgrade.py | 68 ++++++++++++++++++++++
 2 files changed, 76 insertions(+)
 create mode 100644 pym/portage/tests/resolver/test_slot_operator_update_probe_parent_downgrade.py

diff --git a/pym/_emerge/depgraph.py b/pym/_emerge/depgraph.py
index 94eaed8..2a839d0 100644
--- a/pym/_emerge/depgraph.py
+++ b/pym/_emerge/depgraph.py
@@ -1659,6 +1659,7 @@ class depgraph(object):
 		debug = "--debug" in self._frozen_config.myopts
 		selective = "selective" in self._dynamic_config.myparams
 		want_downgrade = None
+		want_downgrade_parent = None
 
 		def check_reverse_dependencies(existing_pkg, candidate_pkg,
 			replacement_parent=None):
@@ -1706,6 +1707,13 @@ class depgraph(object):
 		for replacement_parent in self._iter_similar_available(dep.parent,
 			dep.parent.slot_atom, autounmask_level=autounmask_level):
 
+			if replacement_parent < dep.parent:
+				if want_downgrade_parent is None:
+					want_downgrade_parent = self._downgrade_probe(
+						dep.parent)
+				if not want_downgrade_parent:
+					continue
+
 			if not check_reverse_dependencies(dep.parent, replacement_parent):
 				continue
 
diff --git a/pym/portage/tests/resolver/test_slot_operator_update_probe_parent_downgrade.py b/pym/portage/tests/resolver/test_slot_operator_update_probe_parent_downgrade.py
new file mode 100644
index 0000000..2ec15b6
--- /dev/null
+++ b/pym/portage/tests/resolver/test_slot_operator_update_probe_parent_downgrade.py
@@ -0,0 +1,68 @@
+# 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 SlotOperatorUpdateProbeParentDowngradeTestCase(TestCase):
+
+	def testSlotOperatorUpdateProbeParentDowngrade(self):
+
+		ebuilds = {
+			"net-nds/openldap-2.4.40-r3": {
+				"EAPI": "5",
+				"RDEPEND": "<sys-libs/db-6.0:= " + \
+					"|| ( sys-libs/db:5.3 sys-libs/db:5.1 )"
+			},
+			"net-nds/openldap-2.4.40": {
+				"EAPI": "5",
+				"RDEPEND": "sys-libs/db"
+			},
+			"sys-libs/db-6.0": {
+				"SLOT": "6.0",
+			},
+			"sys-libs/db-5.3": {
+				"SLOT": "5.3",
+			},
+		}
+
+		installed = {
+			"net-nds/openldap-2.4.40-r3": {
+				"EAPI": "5",
+				"RDEPEND": "<sys-libs/db-6.0:5.3/5.3= " + \
+					"|| ( sys-libs/db:5.3 sys-libs/db:5.1 )"
+			},
+			"sys-libs/db-6.0": {
+				"SLOT": "6.0",
+			},
+			"sys-libs/db-5.3": {
+				"SLOT": "5.3",
+			},
+		}
+
+		world = (
+			"net-nds/openldap",
+		)
+
+		test_cases = (
+			# bug 528610 - openldap rebuild was triggered
+			# inappropriately, due to slot_operator_update_probe
+			# selecting an inappropriate replacement parent of
+			# a lower version than desired.
+			ResolverPlaygroundTestCase(
+				["@world"],
+				success = True,
+				options = { "--update": True, "--deep": True },
+				mergelist = []),
+		)
+
+		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()
-- 
2.0.4



^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [gentoo-portage-dev] [PATCH] _slot_operator_update_probe: fix bug #528610
  2014-11-16  7:11 [gentoo-portage-dev] [PATCH] _slot_operator_update_probe: fix bug #528610 Zac Medico
@ 2014-11-16  8:46 ` Brian Dolbec
  0 siblings, 0 replies; 2+ messages in thread
From: Brian Dolbec @ 2014-11-16  8:46 UTC (permalink / raw
  To: gentoo-portage-dev

On Sat, 15 Nov 2014 23:11:01 -0800
Zac Medico <zmedico@gentoo.org> wrote:

> This fixes a case inside _slot_operator_update_probe where it would
> select an inappropriate replacement_parent of a lower version than
> desired. The problem is solved by rejecting replacement_parent if its
> version is lower than the existing parent, and a downgrade is not
> desired.
> 
> X-Gentoo-Bug: 528610
> X-Gentoo-Bug-URL: https://bugs.gentoo.org/show_bug.cgi?id=528610
> ---
>  pym/_emerge/depgraph.py                            |  8 +++
>  ..._slot_operator_update_probe_parent_downgrade.py | 68
> ++++++++++++++++++++++ 2 files changed, 76 insertions(+)
>  create mode 100644
> pym/portage/tests/resolver/test_slot_operator_update_probe_parent_downgrade.py
> 
> diff --git a/pym/_emerge/depgraph.py b/pym/_emerge/depgraph.py
> index 94eaed8..2a839d0 100644
> --- a/pym/_emerge/depgraph.py
> +++ b/pym/_emerge/depgraph.py
> @@ -1659,6 +1659,7 @@ class depgraph(object):
>  		debug = "--debug" in self._frozen_config.myopts
>  		selective = "selective" in
> self._dynamic_config.myparams want_downgrade = None
> +		want_downgrade_parent = None
>  
>  		def check_reverse_dependencies(existing_pkg,
> candidate_pkg, replacement_parent=None):
> @@ -1706,6 +1707,13 @@ class depgraph(object):
>  		for replacement_parent in
> self._iter_similar_available(dep.parent, dep.parent.slot_atom,
> autounmask_level=autounmask_level): 
> +			if replacement_parent < dep.parent:
> +				if want_downgrade_parent is None:
> +					want_downgrade_parent =
> self._downgrade_probe(
> +						dep.parent)
> +				if not want_downgrade_parent:
> +					continue
> +
>  			if not
> check_reverse_dependencies(dep.parent, replacement_parent): continue
>  


LGTM, thanks for the quick fix


> diff --git
> a/pym/portage/tests/resolver/test_slot_operator_update_probe_parent_downgrade.py
> b/pym/portage/tests/resolver/test_slot_operator_update_probe_parent_downgrade.py
> new file mode 100644 index 0000000..2ec15b6 --- /dev/null
> +++
> b/pym/portage/tests/resolver/test_slot_operator_update_probe_parent_downgrade.py
> @@ -0,0 +1,68 @@ +# 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 SlotOperatorUpdateProbeParentDowngradeTestCase(TestCase):
> +
> +	def testSlotOperatorUpdateProbeParentDowngrade(self):
> +
> +		ebuilds = {
> +			"net-nds/openldap-2.4.40-r3": {
> +				"EAPI": "5",
> +				"RDEPEND": "<sys-libs/db-6.0:= " + \
> +					"|| ( sys-libs/db:5.3
> sys-libs/db:5.1 )"
> +			},
> +			"net-nds/openldap-2.4.40": {
> +				"EAPI": "5",
> +				"RDEPEND": "sys-libs/db"
> +			},
> +			"sys-libs/db-6.0": {
> +				"SLOT": "6.0",
> +			},
> +			"sys-libs/db-5.3": {
> +				"SLOT": "5.3",
> +			},
> +		}
> +
> +		installed = {
> +			"net-nds/openldap-2.4.40-r3": {
> +				"EAPI": "5",
> +				"RDEPEND":
> "<sys-libs/db-6.0:5.3/5.3= " + \
> +					"|| ( sys-libs/db:5.3
> sys-libs/db:5.1 )"
> +			},
> +			"sys-libs/db-6.0": {
> +				"SLOT": "6.0",
> +			},
> +			"sys-libs/db-5.3": {
> +				"SLOT": "5.3",
> +			},
> +		}
> +
> +		world = (
> +			"net-nds/openldap",
> +		)
> +
> +		test_cases = (
> +			# bug 528610 - openldap rebuild was triggered
> +			# inappropriately, due to
> slot_operator_update_probe
> +			# selecting an inappropriate replacement
> parent of
> +			# a lower version than desired.
> +			ResolverPlaygroundTestCase(
> +				["@world"],
> +				success = True,
> +				options = { "--update": True,
> "--deep": True },
> +				mergelist = []),
> +		)
> +
> +		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()



-- 
Brian Dolbec <dolsen>



^ permalink raw reply	[flat|nested] 2+ messages in thread

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