Re: [PATCH v4 07/12] rebase: add --update-refs option

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On Tue, Jul 12, 2022 at 6:07 AM Derrick Stolee via GitGitGadget
<gitgitgadget@xxxxxxxxx> wrote:
>
> From: Derrick Stolee <derrickstolee@xxxxxxxxxx>
>
[...]
>
> +--update-refs::
> +--no-update-refs::
> +       Automatically force-update any branches that point to commits that
> +       are being rebased. Any branches that are checked out in a worktree
> +       or point to a `squash! ...` or `fixup! ...` commit are not updated
> +       in this way.

I think the second sentence here should be split.  In particular, I
don't think I understand the second half of the second sentence.  Do
you intend to say here that branches pointing to a `squash!` or
`fixup!` will instead update the first `pick` in the ancestry of such
a commit, rather than that such branches are entirely excluded from
any updates?  That's what I observed in my testing of your v3, at
least, and that's the behavior I'd expect this feature to implement,
but this documentation doesn't match.

[...]
> @@ -5660,6 +5764,9 @@ int complete_action(struct repository *r, struct replay_opts *opts, unsigned fla
>                 item->arg_len = item->arg_offset = item->flags = item->offset_in_buf = 0;
>         }
>
> +       if (update_refs && todo_list_add_update_ref_commands(todo_list))
> +               return -1;
> +

As a tangent, I find it interesting that you add the update-ref
commands as a post-processing step rather than as a part of
sequencer_make_script().  I don't think you need to change anything,
but I am curious due to my git-replay work if you find it advantageous
to do it this way.



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