feature(worker): toplevel mirror job logic

worker/common.go

@@ -0,0 +1,13 @@
+package worker
+
+// put global viables and types here
+
+import (
+	"gopkg.in/op/go-logging.v1"
+)
+
+type empty struct{}
+
+const maxRetry = 2
+
+var logger = logging.MustGetLogger("tunasync")