René Scharfe <l....@web.de> writes:

> Allow callers of refs_resolve_ref_unsafe() to pass NULL if they don't
> need the resolved hash value.  We already allow the same for the flags
> parameter.  This new leniency is inherited by the various wrappers like
> resolve_ref_unsafe().
>
> Signed-off-by: Rene Scharfe <l....@web.de>
> ---

The patches all make sense, and I'd expect them to be something a
competent contributor would write after coming to this realization:
it seems that many many callers, when they have a ref that could be
a symbolic ref, want to learn (1) if it is a symref and (2) where it
points at, and nothing else, most notably they do not care what the
object pointed by the (symbolic) ref is.

I wonder if we want a dedicated helper for them (perhaps about a
dozen callers we have that fall into this pattern?) to call for the
exact purpose, implemented as a thin-wrapper around the
resolve_ref_unsafe() function, though.

Thanks.

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