From f258717f267c69ecda02c9344e31272aa20a86bd Mon Sep 17 00:00:00 2001
From: deads2k <deads@redhat.com>
Date: Wed, 29 Apr 2015 11:24:38 -0400
Subject: [PATCH] add StringSet.HasAny

---
 pkg/util/set.go      | 10 ++++++++++
 pkg/util/set_test.go | 12 ++++++++++++
 2 files changed, 22 insertions(+)

diff --git a/pkg/util/set.go b/pkg/util/set.go
index 5141cdba106..75b60eafb8e 100644
--- a/pkg/util/set.go
+++ b/pkg/util/set.go
@@ -75,6 +75,16 @@ func (s StringSet) HasAll(items ...string) bool {
 	return true
 }
 
+// HasAny returns true if any items are contained in the set.
+func (s StringSet) HasAny(items ...string) bool {
+	for _, item := range items {
+		if s.Has(item) {
+			return true
+		}
+	}
+	return false
+}
+
 // Difference returns a set of objects that are not in s2
 // For example:
 // s1 = {1, 2, 3}
diff --git a/pkg/util/set_test.go b/pkg/util/set_test.go
index a7a1de4d0cc..f039743782b 100644
--- a/pkg/util/set_test.go
+++ b/pkg/util/set_test.go
@@ -117,3 +117,15 @@ func TestStringSetDifference(t *testing.T) {
 		t.Errorf("Unexpected contents: %#v", d.List())
 	}
 }
+
+func TestStringSetHasAny(t *testing.T) {
+	a := NewStringSet("1", "2", "3")
+
+	if !a.HasAny("1", "4") {
+		t.Errorf("expected true, got false")
+	}
+
+	if a.HasAny("0", "4") {
+		t.Errorf("expected false, got true")
+	}
+}