From 062a31de0862e5859ebb73f674ffee8cd88a74e0 Mon Sep 17 00:00:00 2001
From: Brad Rydzewski <brad.rydzewski@gmail.com>
Date: Sat, 9 May 2015 12:53:52 -0700
Subject: [PATCH] ability to run a build step conditionally based on matrix

---
 common/config.go | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/common/config.go b/common/config.go
index 1d9cf07eb..94b5a8fe0 100644
--- a/common/config.go
+++ b/common/config.go
@@ -105,3 +105,17 @@ func (c *Condition) MatchOwner(owner string) bool {
 		return c.Owner == owner
 	}
 }
+
+// MatchMatrix is a helper function that returns false
+// to limit steps to only certain matrix axis.
+func (c *Condition) MatchMatrix(matrix map[string]string) bool {
+	if len(c.Matrix) == 0 {
+		return true
+	}
+	for k, v := range c.Matrix {
+		if matrix[k] != v {
+			return false
+		}
+	}
+	return true
+}