1 files changed, 6 insertions, 5 deletions
diff --git a/yarn b/yarn
index f29c72d..bcd22d3 100755
--- a/yarn
+++ b/yarn
@@ -474,11 +474,12 @@ class YarnRunner(cliapp.Application):
         return os.path.join(sd, base)
 
     def snapshot_datadir(self, tempdir, datadir, scenario, step_number, step):
-        snapshot = self.snapshot_dir(tempdir, scenario, step, step_number)
-        exit, out, err = cliapp.runcmd_unchecked(
-            ['cp', '-ax', datadir, snapshot])
-        if exit != 0:
-            logging.warning('Snapshot copy failed:\n%s\n%s' % (out, err))
+        if self.settings['snapshot']:
+            snapshot = self.snapshot_dir(tempdir, scenario, step, step_number)
+            exit, out, err = cliapp.runcmd_unchecked(
+                ['cp', '-ax', datadir, snapshot])
+            if exit != 0:
+                logging.warning('Snapshot copy failed:\n%s\n%s' % (out, err))
 
     def nice(self, name):
         # Quote a scenario or step name so it forms a nice filename.