1 files changed, 15 insertions, 0 deletions
diff --git a/vendor/github.com/projectatomic/buildah/chroot/util.go b/vendor/github.com/projectatomic/buildah/chroot/util.go
new file mode 100644
index 000000000..34cc77260
--- /dev/null
+++ b/vendor/github.com/projectatomic/buildah/chroot/util.go
@@ -0,0 +1,15 @@
+// +build linux
+
+package chroot
+
+func dedupeStringSlice(slice []string) []string {
+	done := make([]string, 0, len(slice))
+	m := make(map[string]struct{})
+	for _, s := range slice {
+		if _, present := m[s]; !present {
+			m[s] = struct{}{}
+			done = append(done, s)
+		}
+	}
+	return done
+}