pkg/osutil: provide better Rename

os.Rename fails for cross-device renaming (e.g. to/from tmpfs).
This is quite unpleasant. Provide own version that falls back to copying.

1 files changed, 1 insertions, 1 deletions

diff --git a/vm/kvm/kvm.go b/vm/kvm/kvm.go
index a12db5bf8..e7948ab02 100644
--- a/vm/kvm/kvm.go
+++ b/vm/kvm/kvm.go
@@ -241,7 +241,7 @@ func (inst *instance) Run(timeout time.Duration, stop <-chan bool, command strin
 	if err := osutil.WriteExecFile(tmpFile, []byte(command)); err != nil {
 		return nil, nil, err
 	}
-	if err := os.Rename(tmpFile, cmdFile); err != nil {
+	if err := osutil.Rename(tmpFile, cmdFile); err != nil {
 		return nil, nil, err
 	}