Re: [PATCH v2 16/21] refs: check submodules ref storage config

> David Turner <dturner@twopensource.com> writes:
> 
> > All submodules must have the same ref storage (for now).  Confirm
> > that
> > this is so before attempting to do anything with submodule refs.
> > 
> > Signed-off-by: David Turner <dturner@twopensource.com>
> > ---
> >  refs.c | 41 +++++++++++++++++++++++++++++++++++++++++
> >  1 file changed, 41 insertions(+)
> > 
> > diff --git a/refs.c b/refs.c
> > index 07f1dab..1ccc7f6 100644
> > --- a/refs.c
> > +++ b/refs.c
> > @@ -297,8 +297,43 @@ int for_each_tag_ref(each_ref_fn fn, void
> > *cb_data)
> >  	return for_each_ref_in("refs/tags/", fn, cb_data);
> >  }
> >  
> > +static int submodule_backend(const char *key, const char *value,
> > void *data)
> > +{
> > +	char **path = data;
> > +	if (!strcmp(key, "extensions.refstorage"))
> > +		*path = xstrdup(value);
> > +}
> 
> This should return "int" (namely 0).