Eric Sunshine <sunshine@xxxxxxxxxxxxxx> writes: > Unfortunately, I haven't had time lately to follow all these > worktree-related changes or discussions, but perhaps shejialuo is > referring to the ability, from within one worktree, to mention a ref > from another worktree (which is a feature Duy added some time after > the initial worktree implementation). Ah, yes, that exposes (and has to expose) the worktree ID. It still does not have to be unique across repositories (only has to unique among the worktrees that share the same single repository). Thanks.