selectLatestLB :: Maybe LastBranch -> Maybe LastBranch -> Maybe LastBranch
selectLatestLB (Just _) b@(Just _) = b
selectLatestLB :: Maybe LastBranch -> Maybe LastBranch -> Maybe LastBranch
selectLatestLB (Just _) b@(Just _) = b
selectLatestLB (Just _) b@(Just _) = b