Re: [PATCH 1/4] refs: pass refname when invoking reflog entry callback

> Patrick Steinhardt <ps@pks.im> writes:
> 
> > With `refs_for_each_reflog_ent()` callers can iterate through all the
> > reflog entries for a given reference. The callback that is being invoked
> > for each such entry does not receive the name of the reference that we
> > are currently iterating through. This isn't really a limiting factor, as
> > callers can simply pass the name via the callback data.
> >
> > But this layout sometimes does make for a bit of an awkward calling
> > pattern. One example: when iterating through all reflogs, and for each
> > reflog we iterate through all refnames, we have to do some extra book
> > keeping to track which reference name we are currently yielding reflog
> > entries for.
> >
> > Change the signature of the callback function so that the reference name
> > of the reflog gets passed through to it. Adapt callers accordingly and
> > start using the new parameter in trivial cases. The next commit will
> > refactor the reference migration logic to make use of this parameter so
> > that we can simplify its logic a bit.
> >
> 
> I remember hitting this issue with the migration code in 'refs.c', so I
> think this is a good improvement. The changes themselves look good.
> 
> Nit: Changes suggested by clang-format in case you re-roll: