Re: [PATCH 23/33] notes-merge: convert merge_from_diffs to struct object_id

[Junio C Hamano <gitster@pobox.com>]

Stefan Beller <sbeller@google.com> writes:

>>         trace_printf("\tmerge_from_diffs(base = %.7s, local = %.7s, "
>> -              "remote = %.7s)\n", sha1_to_hex(base), sha1_to_hex(local),
>> -              sha1_to_hex(remote));
>> +              "remote = %.7s)\n", oid_to_hex(base), oid_to_hex(local),
>> +              oid_to_hex(remote));
>
> This part is interesting.
>
> 7 used to be the default abbreviation length for sha1s (see
> e6c587c733 (abbrev: auto size the default abbreviation, 2016-09-30)
> for details) and this may have been a left over from the conversion
> to variable length abbreviated hashes. This could be a reminder
> we want to fix these, too. (Though not in this series?).
>
> Roughly like
>
>     trace_printf("\tmerge_from_diffs(base = %s, local = %s, remote = %s)\n",
>         find_unique_abbrev(base.hash, DEFAULT_ABBREV),
>         find_unique_abbrev(local.hash, DEFAULT_ABBREV)
>         find_unique_abbrev(remote.hash, DEFAULT_ABBREV));

Sharp eyes ;-) As you said, this is definitely outside the scope of
this series.