Re: [PATCH v12 16/20] index-helper: don't run if already running

>
> diff --git a/index-helper.c b/index-helper.c
> index 4a171e6..ddc641a 100644
> --- a/index-helper.c
> +++ b/index-helper.c
> @@ -438,6 +438,13 @@ int main(int argc, char **argv)
>                 return 0;
>         }
>
> +       /* check that no other copy is running */
> +       fd = unix_stream_connect(git_path("index-helper.sock"));
> +       if (fd > 0)
> +               die(_("Already running"));