There's a script to automate fetching submodule changes. However, this script alays fetches remote master branch, which's not always the case. The correct branch can be detected by checking the current remote tracking scylla branch which should coincide with the submodule one. Signed-off-by: Pavel Emelyanov <xemul@scylladb.com> Message-Id: <20220317085018.11529-1-xemul@scylladb.com>