Re: [PATCH/RFC 3/6] http-backend: handle refspec argument

[Eric Sunshine <sunshine@sunshineco.com>]

On Fri, Apr 15, 2016 at 3:19 PM, David Turner <dturner@twopensource.com> wrote:
> Allow clients to pass a "refspec" parameter through to upload-pack;
> upload-pack will only advertise refs which match that refspec.
>
> Signed-off-by: David Turner <dturner@twopensource.com>
> ---
> diff --git a/http-backend.c b/http-backend.c
> @@ -465,6 +466,14 @@ static void get_info_refs(char *arg)
>                 argv_array_push(&argv, "--stateless-rpc");
>                 argv_array_push(&argv, "--advertise-refs");
>
> +               refspec = get_parameter("refspec");
> +               if (refspec) {
> +                       struct strbuf interesting_refs = STRBUF_INIT;
> +                       strbuf_addstr(&interesting_refs, "--interesting-refs=");
> +                       strbuf_addstr(&interesting_refs, refspec);
> +                       argv_array_push(&argv, interesting_refs.buf);
> +                       strbuf_release(&interesting_refs);
> +               }

    if (refspec)
        argv_array_pushf(&interesting_refs,
            "--interesting-refs=%s", refspec);

>                 argv_array_push(&argv, ".");
>                 run_service(argv.argv, 0);
>                 argv_array_clear(&argv);
> @@ -841,6 +905,19 @@ int main(int argc, char **argv)
> +               if (starts_with(arg, "--interesting-refs=")) {
> +                       struct string_list_item *item;
> +
> +                       string_list_split(&interesting_refspecs, arg + 19,
> +                                         ' ', -1);
> +                       for_each_string_list_item(item, &interesting_refspecs) {
> +                               if (check_refname_format(item->string,
> +                                                        REFNAME_REFSPEC_PATTERN))
> +                                       die("invalid refspec %s", item->string);
> +                               item->util = make_refspec_data(item->string);
> +                       }
> +                       continue;
> +               }

Is this leaking the string list?

>                 if (!strcmp(arg, "--stateless-rpc")) {
>                         stateless_rpc = 1;
>                         continue;
> --
> 2.4.2.767.g62658d5-twtrsrc