Re: [PATCH v2 8/8] fetch-pack: implement ref-in-want

[Brandon Williams <bmwill@google.com>]

On 06/14, Stefan Beller wrote:
> On Wed, Jun 13, 2018 at 2:39 PM Brandon Williams <bmwill@google.com> wrote:
> 
> > +static void receive_wanted_refs(struct packet_reader *reader, struct ref *refs)
> > +{
> ...
> > +
> > +               for (r = refs; r; r = r->next) {
> > +                       if (!strcmp(end, r->name)) {
> > +                               oidcpy(&r->old_oid, &oid);
> > +                               break;
> > +                       }
> > +               }
> 
> The server is documented as MUST NOT send additional refs,
> which is fine here, as we'd have no way of storing them anyway.
> Do we want to issue a warning, though?
> 
>     if (!r) /* never break'd */
>         warning ("server send unexpected line '%s'", reader.line);

Depends, does this warning help out the end user or do you think it
would confuse users to see this and still have their fetch succeed?

> 
> 
> 
> > diff --git a/remote.c b/remote.c
> > index abe80c139..c9d452ac0 100644
> > --- a/remote.c
> > +++ b/remote.c
> > @@ -1735,6 +1735,7 @@ int get_fetch_map(const struct ref *remote_refs,
> >                 if (refspec->exact_sha1) {
> >                         ref_map = alloc_ref(name);
> >                         get_oid_hex(name, &ref_map->old_oid);
> > +                       ref_map->exact_sha1 = 1;
> >                 } else {
> >                         ref_map = get_remote_ref(remote_refs, name);
> >                 }
> > diff --git a/remote.h b/remote.h
> > index 45ecc6cef..e5338e368 100644
> > --- a/remote.h
> > +++ b/remote.h
> > @@ -73,6 +73,7 @@ struct ref {
> >                 force:1,
> >                 forced_update:1,
> >                 expect_old_sha1:1,
> > +               exact_sha1:1,
> 
> Can we rename that to exact_oid ?

I'll fix this.

-- 
Brandon Williams