On Wed, Dec 18, 2024 at 06:52:02PM -0500, Eric Sunshine wrote: > On Wed, Dec 18, 2024 at 8:30 AM shejialuo <shejialuo@xxxxxxxxx> wrote: > > On Wed, Dec 18, 2024 at 02:20:45AM +0000, AreaZR via GitGitGadget wrote: > > > if (is_main_worktree(worktrees[i])) > > > continue; > > > ret = 1; > > > + break; > > > > So, when we find a linked worktree, we just return the value. From my > > perspective, if we decide to optimize like this way, we could drop the > > loop because the first element of the result of `get_worktrees` is the > > main worktree. And we could just check whether the "worktrees[1]" is > > NULL to do above. > > You're correct. get_worktrees() guarantees that the main worktree (or > bare repository) is the first item in the list, so merely checking > whether `worktrees[1]` is non-NULL would be sufficient to answer > whether linked worktrees are present; no looping is required. > > > However, I don't know whether it's a good idea to exit the loop early > > in the first place. CC Patrick to help. > > If the loop is retained for some reason (though it really isn't > needed), then exiting early is indeed desirable. I suspect that the > missing `break` was just a silly oversight on Patrick's part. Yes, indeed, breaking out of the loop feels sensible to me. Checking whether `worktrees[1]` is non-NULL would be fine, as well. Patrick