depgraph: __auto_rebuild__ KeyError, bug #427036

2 files changed, 9 insertions, 3 deletions

diff --git a/pym/_emerge/DependencyArg.py b/pym/_emerge/DependencyArg.py
index ba36f78d2..80134c804 100644
--- a/pym/_emerge/DependencyArg.py
+++ b/pym/_emerge/DependencyArg.py
@@ -7,9 +7,9 @@ from portage import _encodings, _unicode_encode, _unicode_decode
 
 class DependencyArg(object):
 
-	__slots__ = ('arg', 'force_reinstall', 'reset_depth', 'root_config')
+	__slots__ = ('arg', 'force_reinstall', 'internal', 'reset_depth', 'root_config')
 
-	def __init__(self, arg=None, force_reinstall=False,
+	def __init__(self, arg=None, force_reinstall=False, internal=False,
 		reset_depth=True, root_config=None):
 		"""
 		Use reset_depth=False for special arguments that should not interact
@@ -17,6 +17,7 @@ class DependencyArg(object):
 		"""
 		self.arg = arg
 		self.force_reinstall = force_reinstall
+		self.internal = internal
 		self.reset_depth = reset_depth
 		self.root_config = root_config
 
diff --git a/pym/_emerge/depgraph.py b/pym/_emerge/depgraph.py
index 552d57854..0f3bc9389 100644
--- a/pym/_emerge/depgraph.py
+++ b/pym/_emerge/depgraph.py
@@ -2533,7 +2533,8 @@ class depgraph(object):
 			if isinstance(arg, (AtomArg, PackageArg)):
 				myfavorites.add(arg.atom)
 			elif isinstance(arg, SetArg):
-				myfavorites.add(arg.arg)
+				if not arg.internal:
+					myfavorites.add(arg.arg)
 		myfavorites = list(myfavorites)
 
 		if debug:
@@ -2566,6 +2567,7 @@ class depgraph(object):
 				# to behave like normal arguments in most other respects.
 				pset=InternalPackageSet(initial_atoms=atoms),
 				force_reinstall=True,
+				internal=True,
 				reset_depth=False,
 				root_config=self._frozen_config.roots[root])
 
@@ -6793,6 +6795,9 @@ class depgraph(object):
 				continue
 			if arg.root_config.root != root_config.root:
 				continue
+			if arg.internal:
+				# __auto_* sets
+				continue
 			k = arg.name
 			if k in ("selected", "world") or \
 				not root_config.sets[k].world_candidate: