From db0f9218371db37f3755994f25f1d0cef975596c Mon Sep 17 00:00:00 2001
From: Oliver Hamlet <oliver.hamlet@gmail.com>
Date: Tue, 14 Jul 2015 18:34:43 +0100
Subject: [PATCH] Catch blank repository strings on masterlist update.

---
 src/backend/masterlist.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/backend/masterlist.cpp b/src/backend/masterlist.cpp
index 5ed12160..2ca51723 100644
--- a/src/backend/masterlist.cpp
+++ b/src/backend/masterlist.cpp
@@ -94,6 +94,9 @@ namespace loot {
         fs::path repo_path = path.parent_path();
         string filename = path.filename().string();
 
+        if (repoURL.empty() || repoBranch.empty())
+            throw error(error::invalid_args, "Repository URL and branch must not be empty.");
+
         // First initialise some stuff that isn't specific to a repository.
         BOOST_LOG_TRIVIAL(debug) << "Setting up checkout options.";
         char * paths = new char[filename.length() + 1];