L2SS-176: Make git version info usable from command line

devices/util/lofar2_git.py

@@ -31,3 +31,6 @@ def get_version(repo: git.Repo = None) -> str:
         repo = get_repo()
 
     return "{} [{}{}]".format(repo.active_branch, repo.commit(), " (dirty)" if repo.is_dirty() else "")
+
+if __name__ == "__main__":
+    print(get_version())