The following commits introduced in stable-4.5 and stable-4.9
introduced some minor API additions in service releases.
f7ceeaa2 FileRepository: Add pack-based inserter implementation
085d1f95 Make PackInserter public
10e65cb4 Fix LockFile semantics when running on NFS
Change-Id: I4afed7e0395cf93d828e671080e3ec9ddf20987d
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>