From db7eda3b477eaa08b59395b3f138235c714d8604 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Mart=C3=AD?= <mvdan@mvdan.cc>
Date: Fri, 24 Jul 2015 18:08:48 -0700
Subject: [PATCH] Be more specific about empty build flags

---
 fdroidserver/metadata.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/fdroidserver/metadata.py b/fdroidserver/metadata.py
index b48eef7e..db843569 100644
--- a/fdroidserver/metadata.py
+++ b/fdroidserver/metadata.py
@@ -586,6 +586,9 @@ def parse_metadata(metafile):
     linedesc = None
 
     def add_buildflag(p, thisbuild):
+        if not p.strip():
+            raise MetaDataException("Empty build flag at {1}"
+                                    .format(buildlines[0], linedesc))
         bv = p.split('=', 1)
         if len(bv) != 2:
             raise MetaDataException("Invalid build flag at {0} in {1}"