From ccc81eec81f962ba453383556ce1d5a1c2f490f9 Mon Sep 17 00:00:00 2001
From: Lars Wirzenius <lars.wirzenius@codethink.co.uk>
Date: Tue, 23 Jul 2013 14:15:32 +0100
Subject: Do not use cp --reflink, busybox doesn't have it

---
 yarn | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/yarn b/yarn
index 6845345..9847a68 100755
--- a/yarn
+++ b/yarn
@@ -317,10 +317,8 @@ class YarnRunner(cliapp.Application):
         return os.path.join(sd, base)
 
     def snapshot_datadir(self, tempdir, datadir, scenario, step_number, step):
-        # Use --reflink in case of CoW support, e.g., btrfs.
         snapshot = self.snapshot_dir(tempdir, scenario, step, step_number)
-        cliapp.runcmd(
-            ['cp', '-a', '--reflink=auto', datadir, snapshot])
+        cliapp.runcmd(['cp', '-a', datadir, snapshot])
 
     def nice(self, name):
         # Quote a scenario or step name so it forms a nice filename.
-- 
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