Clarify repo code in depgraph._pkg().

diff --git a/pym/_emerge/depgraph.py b/pym/_emerge/depgraph.py
index d9d0ed7c3fb6e90c2154985d4046cedc2d215e3b..7981dc56a9908700e0092b03afb5e301ba2f0cdf 100644 (file)
--- a/pym/_emerge/depgraph.py
+++ b/pym/_emerge/depgraph.py
@@ -3304,10 +3304,13 @@ class depgraph(object):
                        # For installed (and binary) packages we don't care for the repo
                        # when it comes to hashing, because there can only be one cpv.
                        # So overwrite the repo_key with type_name.
-                       myrepo = type_name
+                       repo_key = type_name
+                       myrepo = None
                elif myrepo is None:
                        raise AssertionError(
                                "depgraph._pkg() called without 'myrepo' argument")
+               else:
+                       repo_key = myrepo
 
                operation = "merge"
                if installed or onlydeps:
@@ -3316,11 +3319,11 @@ class depgraph(object):
                # that refers to FakeVartree instead of the real vartree.
                root_config = self._frozen_config.roots[root_config.root]
                pkg = self._frozen_config._pkg_cache.get(
-                       (type_name, root_config.root, cpv, operation, myrepo))
+                       (type_name, root_config.root, cpv, operation, repo_key))
                if pkg is None and onlydeps and not installed:
                        # Maybe it already got pulled in as a "merge" node.
                        pkg = self._dynamic_config.mydbapi[root_config.root].get(
-                               (type_name, root_config.root, cpv, 'merge', myrepo))
+                               (type_name, root_config.root, cpv, 'merge', repo_key))
 
                if pkg is None:
                        tree_type = self.pkg_tree_map[type_name]