[med-svn] [aghermann] 38/85: don't try to save empty patterns even if no such thing exists

[andrei zavada]

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hmmr-guest pushed a commit to branch master
in repository aghermann.

commit 3f15569d7bbf2487f090fdceaaf5df33d3c38c38
Author: Andrei Zavada <johnhommer at gmail.com>
Date:   Sun Sep 15 02:30:21 2013 +0300

    don't try to save empty patterns even if no such thing exists
---
 upstream/src/aghermann/patterns/patterns.cc |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/upstream/src/aghermann/patterns/patterns.cc b/upstream/src/aghermann/patterns/patterns.cc
index 35ca0b8..47a4a1a 100644
--- a/upstream/src/aghermann/patterns/patterns.cc
+++ b/upstream/src/aghermann/patterns/patterns.cc
@@ -43,6 +43,8 @@ save()
         if ( saved || origin == agh::TExpDirLevel::transient || origin == agh::TExpDirLevel::system )
                 return 0;
 
+        if ( thing.size() == 0 ) {
+                fprintf( stderr, "save_pattern(\"%s\"): thing is empty\n", path().c_str());
         if ( agh::fs::mkdir_with_parents( agh::fs::dirname(path)) ) {
                 fprintf( stderr, "save_pattern(\"%s\"): mkdir failed\n", path.c_str());
                 return -1;

-- 
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