Merge pull request #1229 from hashicorp/update-plugin

Updated go-plugin dependency

vendor/github.com/hashicorp/go-plugin/.gitignore

@@ -1 +0,0 @@
-.DS_Store

vendor/github.com/hashicorp/go-plugin/server.go

@@ -183,5 +183,33 @@ func serverListener_unix() (net.Listener, error) {
 		return nil, err
 	}
 
-	return net.Listen("unix", path)
+	l, err := net.Listen("unix", path)
+	if err != nil {
+		return nil, err
+	}
+
+	// Wrap the listener in rmListener so that the Unix domain socket file
+	// is removed on close.
+	return &rmListener{
+		Listener: l,
+		Path:     path,
+	}, nil
+}
+
+// rmListener is an implementation of net.Listener that forwards most
+// calls to the listener but also removes a file as part of the close. We
+// use this to cleanup the unix domain socket on close.
+type rmListener struct {
+	net.Listener
+	Path string
+}
+
+func (l *rmListener) Close() error {
+	// Close the listener itself
+	if err := l.Listener.Close(); err != nil {
+		return err
+	}
+
+	// Remove the file
+	return os.Remove(l.Path)
 }

vendor/vendor.json

@@ -461,8 +461,10 @@
 			"revision": "d30f09973e19c1dfcd120b2d9c4f168e68d6b5d5"
 		},
 		{
+			"checksumSHA1": "FK7oNTTXthoohAwDgVo/nmf1w9A=",
 			"path": "github.com/hashicorp/go-plugin",
-			"revision": "cccb4a1328abbb89898f3ecf4311a05bddc4de6d"
+			"revision": "6691772c4e872547b2e6cfc54c853a6d61bc0edb",
+			"revisionTime": "2016-06-02T23:01:53Z"
 		},
 		{
 			"path": "github.com/hashicorp/go-syslog",