From bdbba595ca8d30ffdae2344ac67a115ed08d5e02 Mon Sep 17 00:00:00 2001
From: Marius Tolzmann <tolzmann@molgen.mpg.de>
Date: Tue, 29 Nov 2011 12:12:01 +0100
Subject: [PATCH] bee-dep: exit with error if DEPENDENCIES files is empty!

---
 src/graph.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/graph.c b/src/graph.c
index b6ba0d8..0643d26 100644
--- a/src/graph.c
+++ b/src/graph.c
@@ -248,6 +248,14 @@ int graph_insert_nodes(struct hash *hash, char *filename)
         return EXIT_FAILURE;
     }
 
+    if(line_cnt == 0) {
+       fprintf(stderr, "bee-dep: error: file '%s' is empty\n", filename);
+       /* WTF: why can't we return 0 here for errors ??? */
+       return EXIT_FAILURE;
+    }
+
+    /* we dont't want to exit on success ??? or do we? i don't get it! */
+    /* but works for me now.. 8) */
     return EXIT_SUCCESS;
 }