Re: [PATCH 2/3] merge: use refresh_and_write_cache

[Martin Ågren]

On Tue, 27 Aug 2019 at 12:15, Thomas Gummerer <t.gumme...@gmail.com> wrote:

>         struct lock_file lock = LOCK_INIT;
>         const char *head_arg = "HEAD";
>
> -       hold_locked_index(&lock, LOCK_DIE_ON_ERROR);
> -       refresh_cache(REFRESH_QUIET);
> -       if (write_locked_index(&the_index, &lock,
> -                              COMMIT_LOCK | SKIP_IF_UNCHANGED))
> -               return error(_("Unable to write index."));
> +       if (refresh_and_write_cache(REFRESH_QUIET, COMMIT_LOCK | 
> SKIP_IF_UNCHANGED) < 0)
> +               return -1;

I wondered why you didn't drop the `struct lock_file`, but it turns out
we still need it further down.

>         if (!strcmp(strategy, "recursive") || !strcmp(strategy, "subtree")) {
>                 int clean, x;

What you could do, I guess, is to move its declaration to around here.
Probably not worth a re-roll.

> @@ -860,13 +857,9 @@ static int merge_trivial(struct commit *head, struct 
> commit_list *remoteheads)
>  {
>         struct object_id result_tree, result_commit;
>         struct commit_list *parents, **pptr = &parents;
> -       struct lock_file lock = LOCK_INIT;
>
> -       hold_locked_index(&lock, LOCK_DIE_ON_ERROR);
> -       refresh_cache(REFRESH_QUIET);
> -       if (write_locked_index(&the_index, &lock,
> -                              COMMIT_LOCK | SKIP_IF_UNCHANGED))
> -               return error(_("Unable to write index."));
> +       if (refresh_and_write_cache(REFRESH_QUIET, COMMIT_LOCK | 
> SKIP_IF_UNCHANGED) < 0)
> +               return -1;

Here you do drop the `struct lock_file` entirely, ok.



Martin