#1971 more general rule to detect error

routers/repo/repo.go

@@ -203,9 +203,9 @@ func MigratePost(ctx *middleware.Context, form auth.MigrateRepoForm) {
 		}
 	}
 
-	if strings.Contains(err.Error(), "Authentication failed") ||
+	if strings.Contains(err.Error(), "fatal:") ||
-		strings.Contains(err.Error(), " not found") ||
 		strings.Contains(err.Error(), "could not read Username") {
+		ctx.Data["Err_CloneAddr"] = true
 		ctx.Data["Err_Auth"] = true
 		ctx.RenderWithErr(ctx.Tr("form.auth_failed", strings.Replace(err.Error(), ":"+form.AuthPassword+"@", ":<password>@", 1)), MIGRATE, &form)
 		return