Re: [PATCH v2 2/2] repack: repack promisor objects if -a or -A is set

> @@ -179,6 +179,76 @@ static void prepare_pack_objects(struct child_process *cmd,
>         cmd->out = -1;
>  }
>
> +/*
> + * Write oid to the given struct child_process's stdin, starting it first if
> + * necessary.
> + */
> +static int write_oid(const struct object_id *oid, struct packed_git *pack,
> +                    uint32_t pos, void *data)
> +{
> +       struct child_process *cmd = data;
> +
> +       if (cmd->in == -1) {
> +               if (start_command(cmd))
> +                       die("Could not start pack-objects to repack promisor objects");