diff --git a/mage/main.go b/mage/main.go
index 52140c8e..9ea7b8c6 100644
--- a/mage/main.go
+++ b/mage/main.go
@@ -52,7 +52,7 @@ const initFile = "magefile.go"
 var (
 	commitHash string
 	timestamp  string
-	gitTag     = "v2"
+	gitTag     = "unknown"
 )
 
 //go:generate stringer -type=Command
diff --git a/parse/parse.go b/parse/parse.go
index 0724eae5..2ea79840 100644
--- a/parse/parse.go
+++ b/parse/parse.go
@@ -333,6 +333,18 @@ func errorOrVoid(fns []*ast.FuncDecl, info types.Info) []*ast.FuncDecl {
 	return fds
 }
 
+
+func params(ft *ast.FuncType, info types.Info) bool {
+	for _, field := range ft.Params.List {
+		t := info.TypeOf(field.Type)
+		if t != nil &&  {
+			return true
+		}
+	}
+	return false
+}
+
+
 func hasContextParam(ft *ast.FuncType, info types.Info) bool {
 	if ft.Params.NumFields() == 1 {
 		ret := ft.Params.List[0]