Make sure trg is defined.

svn path=/main/trunk/; revision=4925

diff --git a/pym/cache/util.py b/pym/cache/util.py
index 5dd9970b9466a3767ee9173103763ebb84131f29..2bfaa76fb151c640696b937dc0c61fe97cd0f84b 100644 (file)
--- a/pym/cache/util.py
+++ b/pym/cache/util.py
@@ -36,6 +36,7 @@ def mirror_cache(valid_nodes_iterable, src_cache, trg_cache, eclass_cache=None,
                        del e
                        continue
                write_it = True
+               trg = None
                try:
                        trg = trg_cache[x]
                        if long(trg["_mtime_"]) == long(entry["_mtime_"]) and eclass_cache.is_eclass_data_valid(trg["_eclasses_"]):
@@ -43,7 +44,7 @@ def mirror_cache(valid_nodes_iterable, src_cache, trg_cache, eclass_cache=None,
                except (cache_errors.CacheError, KeyError):
                        pass
 
-               if not write_it:
+               if trg and not write_it:
                        """ We don't want to skip the write unless we're really sure that
                        the existing cache is identical, so don't trust _mtime_ and
                        _eclasses_ alone."""