1 files changed, 35 insertions, 0 deletions
diff --git a/bin/portageq b/bin/portageq
index 069ece238..d6d9c170a 100755
--- a/bin/portageq
+++ b/bin/portageq
@@ -43,6 +43,7 @@ except ImportError:
 del pym_path
 
 from portage import os
+from portage.dbapi._expand_new_virt import expand_new_virt
 from portage.util import writemsg, writemsg_stdout
 
 def eval_atom_use(atom):
@@ -492,6 +493,40 @@ def match(argv):
 		print(cpv)
 match.uses_root = True
 
+def expand_virtual(argv):
+	"""<root> <atom>
+	Returns a \\n separated list of atoms expanded from a
+	given virtual atom, excluding blocker atoms. Satisfied
+	virtual atoms are not included in the output, since
+	they are expanded to real atoms which are displayed.
+	Unsatisfied virtual atoms are displayed without
+	any expansion. The "match" command can be used to
+	resolve the returned atoms to specific installed
+	packages.
+	"""
+	if len(argv) != 2:
+		writemsg("ERROR: expected 2 parameters, got %d!\n" % len(argv),
+			noiselevel=-1)
+		return 2
+
+	root, atom = argv
+
+	try:
+		results = list(expand_new_virt(
+			portage.db[root]["vartree"].dbapi, atom))
+	except portage.exception.InvalidAtom:
+		writemsg("ERROR: Invalid atom: '%s'\n" % atom,
+			noiselevel=-1)
+		return 2
+
+	results.sort()
+	for x in results:
+		if not x.blocker:
+			writemsg_stdout("%s\n" % (x,))
+
+	return os.EX_OK
+
+expand_virtual.uses_root = True
 
 def vdb_path(argv):
 	"""