Stefan Sperling:

> > > It looks like we'll need to populate a cache of reference names which
> > > is indexed by commit ID, ideally while reading references from the repo?
> > 
> > got_ref_tree()?  Something along those lines, I guess.
> 
> Can you try this? Merry christmas <3
> 
> diff refs/heads/main refs/heads/object_id_map

... So the data structure we need already exists, ha...
... Oh, yes, that was a typo in got_ref_dup()...
... You'll need to re-create the object ID map for ^L... never mind...

Awesome!  This looks perfect and works fine in my testing.
OK!

-- 
Christian "naddy" Weisgerber                          naddy@mips.inka.de