* stable-5.0: Fix atomic lock file creation on NFS Use constant for ".lock" Fix handling of option core.supportsAtomicCreateNewFile GC: Avoid logging errors when deleting non-empty folders Change-Id: I3c8892e33516bdcadd983e7ab668635b7fa3d4c5 Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>