--autounmask: Don't change masked/forced flags

This will fix bug #364701.

3 files changed, 36 insertions, 3 deletions

diff --git a/pym/_emerge/depgraph.py b/pym/_emerge/depgraph.py
index 91ec7599e..fabc2df10 100644
--- a/pym/_emerge/depgraph.py
+++ b/pym/_emerge/depgraph.py
@@ -3094,7 +3094,11 @@ class depgraph(object):
 			if required_use and check_required_use(required_use, old_use, pkg.iuse.is_valid_flag) and \
 				not check_required_use(required_use, new_use, pkg.iuse.is_valid_flag):
 				return old_use
-			
+
+			if pkg.use.mask.intersection(new_changes) or \
+				pkg.use.force.intersection(new_changes):
+				return old_use
+
 			self._dynamic_config._needed_use_config_changes[pkg] = (new_use, new_changes)
 			if want_restart_for_use_change(pkg, new_use):
 				self._dynamic_config._need_restart = True
diff --git a/pym/portage/tests/resolver/ResolverPlayground.py b/pym/portage/tests/resolver/ResolverPlayground.py
index 709adfa6b..1c5d97473 100644
--- a/pym/portage/tests/resolver/ResolverPlayground.py
+++ b/pym/portage/tests/resolver/ResolverPlayground.py
@@ -32,7 +32,7 @@ class ResolverPlayground(object):
 	"""
 
 	config_files = frozenset(("package.use", "package.mask", "package.keywords", \
-		"package.unmask", "package.properties", "package.license"))
+		"package.unmask", "package.properties", "package.license", "use.mask", "use.force"))
 
 	def __init__(self, ebuilds={}, installed={}, profile={}, repo_configs={}, \
 		user_config={}, sets={}, world=[], debug=False):
diff --git a/pym/portage/tests/resolver/test_autounmask.py b/pym/portage/tests/resolver/test_autounmask.py
index 4100fbdcf..124abe14e 100644
--- a/pym/portage/tests/resolver/test_autounmask.py
+++ b/pym/portage/tests/resolver/test_autounmask.py
@@ -16,6 +16,12 @@ class AutounmaskTestCase(TestCase):
 			"dev-libs/C-1": {},
 			"dev-libs/D-1": {},
 
+			#ebuilds to test if we allow changing of masked or forced flags
+			"dev-libs/E-1": { "SLOT": 1, "DEPEND": "dev-libs/F[masked-flag]", "EAPI": 2},
+			"dev-libs/E-2": { "SLOT": 2, "DEPEND": "dev-libs/G[-forced-flag]", "EAPI": 2},
+			"dev-libs/F-1": { "IUSE": "masked-flag"},
+			"dev-libs/G-1": { "IUSE": "forced-flag"},
+
 			#ebuilds to test keyword changes
 			"app-misc/Z-1": { "KEYWORDS": "~x86", "DEPEND": "app-misc/Y" },
 			"app-misc/Y-1": { "KEYWORDS": "~x86" },
@@ -185,9 +191,32 @@ class AutounmaskTestCase(TestCase):
 					options = { "--autounmask": True },
 					use_changes = None,
 					success = False),
+
+				#Make sure we don't change masked/forced flags.
+				ResolverPlaygroundTestCase(
+					["dev-libs/E:1"],
+					options = {"--autounmask": True},
+					use_changes = None,
+					success = False),
+				ResolverPlaygroundTestCase(
+					["dev-libs/E:2"],
+					options = {"--autounmask": True},
+					use_changes = None,
+					success = False),
 			)
 
-		playground = ResolverPlayground(ebuilds=ebuilds)
+		profile = {
+			"use.mask":
+				(
+					"masked-flag",
+				),
+			"use.force":
+				(
+					"forced-flag",
+				),
+		}
+
+		playground = ResolverPlayground(ebuilds=ebuilds, profile=profile)
 		try:
 			for test_case in test_cases:
 				playground.run_TestCase(test_case)