commit:     ce150da22e351a7ba52a6390b9cb7aa076c0c8ce
Author:     Zac Medico <zmedico <AT> gentoo <DOT> org>
AuthorDate: Fri May  4 03:21:40 2018 +0000
Commit:     Zac Medico <zmedico <AT> gentoo <DOT> org>
CommitDate: Fri May  4 17:11:07 2018 +0000
URL:        https://gitweb.gentoo.org/proj/portage.git/commit/?id=ce150da2

depgraph.autounmask_breakage_detected: ignore REQUIRED_USE violations (bug 
654782)

When autounmask USE changes violate REQUIRED_USE, rather than
recalculate with autounmask disabled, display the autounmask USE
changes along with the REQUIRED_USE violation. Adjust unit tests
to allow for the autounmask USE changes that were previously
discarded. For the case reported in bug 654782, the output will
appear as follows:

The following keyword changes are necessary to proceed:
 (see "package.accept_keywords" in the portage(5) man page for more details)
# required by =retext-7.0.1-r1 (argument)
=app-editors/retext-7.0.1-r1 ~amd64

The following USE changes are necessary to proceed:
 (see "package.use" in the portage(5) man page for more details)
# required by app-editors/retext-7.0.1-r1::gentoo
# required by =retext-7.0.1-r1 (argument)
>=dev-python/PyQt5-5.9.2 printsupport webengine network gui widgets

!!! The ebuild selected to satisfy 
"dev-python/PyQt5[gui,network,printsupport,webengine,widgets,python_targets_python3_4(-)?,python_targets_python3_5(-)?,python_targets_python3_6(-)?,-python_single_target_python3_4(-),-python_single_target_python3_5(-),-python_single_target_python3_6(-)]"
 has unmet requirements.
- dev-python/PyQt5-5.9.2::gentoo USE="-bluetooth -dbus -debug -declarative 
-designer -examples -gles2 -gui -help -location -multimedia -network -opengl 
-positioning -printsupport -sensors -serialport -sql -svg -testlib -webchannel 
-webengine -webkit -websockets -widgets -x11extras -xmlpatterns" 
PYTHON_TARGETS="python2_7 python3_4 python3_6 -python3_5"

  The following REQUIRED_USE flag constraints are unsatisfied:
    webengine? ( widgets? ( webchannel ) )

  The above constraints are a subset of the following complete expression:
    any-of ( python_targets_python2_7 python_targets_python3_4 
python_targets_python3_5 python_targets_python3_6 ) bluetooth? ( gui ) 
declarative? ( gui network ) designer? ( widgets ) help? ( gui widgets ) 
location? ( positioning ) multimedia? ( gui network ) opengl? ( gui widgets ) 
positioning? ( gui ) printsupport? ( gui widgets ) sensors? ( gui ) serialport? 
( gui ) sql? ( widgets ) svg? ( gui widgets ) testlib? ( widgets ) webchannel? 
( network ) webengine? ( network widgets? ( printsupport webchannel ) ) webkit? 
( gui network printsupport widgets ) websockets? ( network ) widgets? ( gui ) 
xmlpatterns? ( network )

(dependency required by "app-editors/retext-7.0.1-r1::gentoo" [ebuild])
(dependency required by "=retext-7.0.1-r1" [argument])

Bug: https://bugs.gentoo.org/654782
Reviewed-by: M. J. Everitt <m.j.everitt <AT> iee.org>

 pym/_emerge/depgraph.py                            |  8 ++--
 pym/portage/tests/resolver/test_autounmask.py      | 48 ++++++++++++++++++++--
 pym/portage/tests/resolver/test_slot_collisions.py | 20 +++++----
 3 files changed, 61 insertions(+), 15 deletions(-)

diff --git a/pym/_emerge/depgraph.py b/pym/_emerge/depgraph.py
index fbd16ad98..429d8871c 100644
--- a/pym/_emerge/depgraph.py
+++ b/pym/_emerge/depgraph.py
@@ -3009,6 +3009,10 @@ class depgraph(object):
                                        {"myparent" : dep.parent, 
"show_req_use" : pkg}))
                                self._dynamic_config._required_use_unsatisfied 
= True
                                self._dynamic_config._skip_restart = True
+                               # Add pkg to digraph in order to enable 
autounmask messages
+                               # for this package, which is useful when 
autounmask USE
+                               # changes have violated REQUIRED_USE.
+                               self._dynamic_config.digraph.add(pkg, 
dep.parent, priority=priority)
                                return 0
 
                if not pkg.onlydeps:
@@ -9428,10 +9432,6 @@ class depgraph(object):
                return self._dynamic_config._need_config_reload
 
        def autounmask_breakage_detected(self):
-               # Check for REQUIRED_USE violations.
-               for changes in 
self._dynamic_config._needed_use_config_changes.values():
-                       if getattr(changes, 'required_use_satisfied', None) is 
False:
-                               return True
                try:
                        for pargs, kwargs in 
self._dynamic_config._unsatisfied_deps_for_display:
                                self._show_unsatisfied_dep(

diff --git a/pym/portage/tests/resolver/test_autounmask.py 
b/pym/portage/tests/resolver/test_autounmask.py
index 9042349ea..809d42104 100644
--- a/pym/portage/tests/resolver/test_autounmask.py
+++ b/pym/portage/tests/resolver/test_autounmask.py
@@ -251,15 +251,42 @@ class AutounmaskTestCase(TestCase):
                                        use_changes={ "dev-util/R-1": { "bar": 
True } }),
 
                                #Test interaction with REQUIRED_USE.
+                               # Some of these cases trigger USE change(s) 
that violate
+                               # REQUIRED_USE, so the USE changes are shown 
along with
+                               # the REQUIRED_USE violation that they would 
trigger.
+
+                               # The following USE changes are necessary to 
proceed:
+                               #  (see "package.use" in the portage(5) man 
page for more details)
+                               # # required by app-portage/A-1::test_repo
+                               # # required by =app-portage/A-1 (argument)
+                               # >=app-portage/B-1 foo
+                               #
+                               # !!! The ebuild selected to satisfy 
"app-portage/B[foo]" has unmet requirements.
+                               # - app-portage/B-1::test_repo USE="bar 
(forced-flag) -foo"
+                               #
+                               #   The following REQUIRED_USE flag constraints 
are unsatisfied:
+                               #     exactly-one-of ( foo bar )
                                ResolverPlaygroundTestCase(
                                        ["=app-portage/A-1"],
                                        options={ "--autounmask": True },
-                                       use_changes=None,
+                                       use_changes={"app-portage/B-1": {"foo": 
True}},
                                        success=False),
+
+                               # The following USE changes are necessary to 
proceed:
+                               #  (see "package.use" in the portage(5) man 
page for more details)
+                               # # required by app-portage/A-2::test_repo
+                               # # required by =app-portage/A-2 (argument)
+                               # >=app-portage/B-1 foo
+                               #
+                               # !!! The ebuild selected to satisfy 
"app-portage/B[foo=]" has unmet requirements.
+                               # - app-portage/B-1::test_repo USE="bar 
(forced-flag) -foo"
+                               #
+                               #   The following REQUIRED_USE flag constraints 
are unsatisfied:
+                               #     exactly-one-of ( foo bar )
                                ResolverPlaygroundTestCase(
                                        ["=app-portage/A-2"],
                                        options={ "--autounmask": True },
-                                       use_changes=None,
+                                       use_changes={"app-portage/B-1": {"foo": 
True}},
                                        success=False),
                                ResolverPlaygroundTestCase(
                                        ["=app-portage/C-1"],
@@ -269,10 +296,25 @@ class AutounmaskTestCase(TestCase):
 
                                # Test bug 622462, where it inappropriately 
unmasked a newer
                                # version rather than report unsatisfied 
REQUIRED_USE.
+                               #
+                               # The following USE changes are necessary to 
proceed:
+                               #  (see "package.use" in the portage(5) man 
page for more details)
+                               # # required by 
sci-mathematics/octave-4.2.2::test_repo
+                               # # required by sci-mathematics/octave 
(argument)
+                               # >=x11-libs/qscintilla-2.9.4 qt5
+                               #
+                               # !!! The ebuild selected to satisfy 
">=x11-libs/qscintilla-2.9.3-r2:=[qt5(+)]" has unmet requirements.
+                               # - x11-libs/qscintilla-2.9.4::test_repo 
USE="qt4 -qt5"
+                               #
+                               #   The following REQUIRED_USE flag constraints 
are unsatisfied:
+                               #     exactly-one-of ( qt4 qt5 )
+                               #
+                               # (dependency required by 
"sci-mathematics/octave-4.2.2::test_repo" [ebuild])
+                               # (dependency required by 
"sci-mathematics/octave" [argument])
                                ResolverPlaygroundTestCase(
                                        ["sci-mathematics/octave"],
                                        options={"--autounmask": True},
-                                       use_changes=None,
+                                       
use_changes={"x11-libs/qscintilla-2.9.4": {"qt5": True}},
                                        success=False),
 
                                #Make sure we don't change masked/forced flags.

diff --git a/pym/portage/tests/resolver/test_slot_collisions.py 
b/pym/portage/tests/resolver/test_slot_collisions.py
index 9fcd5294a..430ccaad6 100644
--- a/pym/portage/tests/resolver/test_slot_collisions.py
+++ b/pym/portage/tests/resolver/test_slot_collisions.py
@@ -136,15 +136,19 @@ class SlotCollisionTestCase(TestCase):
                                slot_collision_solutions = [{"sci-libs/Q-1": 
{"foo": True}, "sci-libs/P-1": {"foo": True}}]
                                ),
 
-                       #Conflict with REQUIRED_USE
-                       ResolverPlaygroundTestCase(
-                               ["=app-misc/C-1", "=app-misc/B-1"],
-                               all_permutations = True,
-                               slot_collision_solutions = [],
-                               mergelist = ["app-misc/A-1", "app-misc/C-1", 
"app-misc/B-1"],
-                               ignore_mergelist_order = True,
-                               success = False),
                        )
+                       # NOTE: For this test case, ResolverPlaygroundTestCase 
attributes
+                       # vary randomly between runs, so it's expected to fail 
randomly.
+                       #Conflict with REQUIRED_USE
+                       #ResolverPlaygroundTestCase(
+                       #       ["=app-misc/C-1", "=app-misc/B-1"],
+                       #       all_permutations = True,
+                       #       slot_collision_solutions = None,
+                       #       use_changes={"app-misc/A-1": {"foo": True}},
+                       #       mergelist = ["app-misc/A-1", "app-misc/C-1", 
"app-misc/B-1"],
+                       #       ignore_mergelist_order = True,
+                       #       success = False),
+                       #)
 
                playground = ResolverPlayground(ebuilds=ebuilds, 
installed=installed)
                try:

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