git-lfs-post-checkout man page
git-lfs-post-checkout — Git post-checkout hook implementation
git lfs post-checkout rev_before ref_after is_branch_checkout
Responds to Git post-checkout events. It makes sure that any files which are marked as lockable by git lfs track are read-only in the working copy, if not currently locked by the local user.
Part of the git-lfs(1) suite.