Tweak depgraph._show_unsatisfied_dep() display for AtomArg instances.

diff --git a/pym/_emerge/depgraph.py b/pym/_emerge/depgraph.py
index aa6992f5582db7709b98d0b3b26a9da6f542e388..7763c3b8ca49a3ff6477a14f92cc0ed0b3b690fa 100644 (file)
--- a/pym/_emerge/depgraph.py
+++ b/pym/_emerge/depgraph.py
@@ -2168,6 +2168,8 @@ class depgraph(object):
                xinfo = '"%s"' % atom.unevaluated_atom
                if arg:
                        xinfo='"%s"' % arg
+               if isinstance(myparent, AtomArg):
+                       xinfo = _unicode_decode('"%s"') % (myparent,)
                # Discard null/ from failed cpv_expand category expansion.
                xinfo = xinfo.replace("null/", "")
                masked_packages = []
@@ -2411,6 +2413,12 @@ class depgraph(object):
                # Show parent nodes and the argument that pulled them in.
                traversed_nodes = set()
                node = myparent
+               if isinstance(myparent, AtomArg):
+                       # It's redundant to show parent for AtomArg since
+                       # it's the same as 'xinfo' displayed above.
+                       node = None
+               else:
+                       node = myparent
                msg = []
                while node is not None:
                        traversed_nodes.add(node)
@@ -2444,8 +2452,9 @@ class depgraph(object):
                                else:
                                        selected_parent = parent
                        node = selected_parent
-               writemsg_stdout("\n".join(msg), noiselevel=-1)
-               writemsg_stdout("\n", noiselevel=-1)
+               if msg:
+                       writemsg_stdout("\n".join(msg), noiselevel=-1)
+                       writemsg_stdout("\n", noiselevel=-1)
 
                if mask_docs:
                        show_mask_docs()