Only create the directory for chunks if it does not exist.

1 files changed, 2 insertions, 1 deletions

diff --git a/obnamlib/store.py b/obnamlib/store.py
index a799dc4b..e23db388 100644
--- a/obnamlib/store.py
+++ b/obnamlib/store.py
@@ -867,7 +867,8 @@ class Store(object):
             if not self.fs.exists(filename):
                 break
         dirname = os.path.dirname(filename)
-        self.fs.makedirs(dirname)
+        if not self.fs.exists(dirname):
+            self.fs.makedirs(dirname)
         self.fs.write_file(filename, data)
         self.chunksums.add(self.checksum(data), chunkid)
         return chunkid