From 1b192351dc0ef09423ee9a40d68bacc3137c9aec Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Mon, 9 Jul 2018 17:32:04 +0300
Subject: Make repository_url(string) to throw invalid_argument for empty
 string

---
 libbpkg/manifest.cxx | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'libbpkg/manifest.cxx')

diff --git a/libbpkg/manifest.cxx b/libbpkg/manifest.cxx
index af2a889..c2d7eee 100644
--- a/libbpkg/manifest.cxx
+++ b/libbpkg/manifest.cxx
@@ -1923,10 +1923,12 @@ namespace bpkg
 
       return scheme_type::file;
     }
-    // Consider URL as a path if the URL parsing failed.
+    // Consider non-empty URL as a path if the URL parsing failed. If the URL
+    // is empty then leave the basic_url ctor to throw.
     //
     else if (scheme.empty ())
     {
+      if (!url.empty ())
       try
       {
         size_t p (url.find ('#'));
-- 
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