Implement fetch

1 files changed, 8 insertions, 0 deletions

diff --git a/util.go b/util.go
index 11c4514cf..1b87413ef 100644
--- a/util.go
+++ b/util.go
@@ -49,3 +49,11 @@ func exitOnError(err error) {
 		os.Exit(1)
 	}
 }
+
+func async(cb func()) {
+	wg.Add(1)
+	go func() {
+		cb()
+		wg.Done()
+	}()
+}