Re: [PATCHv2 8/8] clone: allow an explicit argument for parallel submodule clones

[Eric Sunshine <ericsunshine@gmail.com>]

On Wed, Oct 28, 2015 at 7:21 PM, Stefan Beller <sbeller@google.com> wrote:
> Just pass it along to "git submodule update", which may pick reasonable
> defaults if you don't specify an explicit number.
>
> Signed-off-by: Stefan Beller <sbeller@google.com>
> ---
> @@ -724,8 +723,20 @@ static int checkout(void)
>         err |= run_hook_le(NULL, "post-checkout", sha1_to_hex(null_sha1),
>                            sha1_to_hex(sha1), "1", NULL);
>
> -       if (!err && option_recursive)
> -               err = run_command_v_opt(argv_submodule, RUN_GIT_CMD);
> +       if (!err && option_recursive) {
> +               struct argv_array args = ARGV_ARRAY_INIT;
> +               argv_array_pushl(&args, "submodule", "update", "--init", "--recursive", NULL);
> +
> +               if (max_jobs != -1) {
> +                       struct strbuf sb = STRBUF_INIT;
> +                       strbuf_addf(&sb, "--jobs=%d", max_jobs);
> +                       argv_array_push(&args, sb.buf);
> +                       strbuf_release(&sb);

The above four lines can be collapsed to:

    argv_array_pushf(&args, "--jobs=%d", max_jobs);

> +               }
> +
> +               err = run_command_v_opt(args.argv, RUN_GIT_CMD);
> +               argv_array_clear(&args);
> +       }
>
>         return err;
>  }