From: Junio C Hamano <gitster@pobox.com>
Date: Sun, 04 Nov 2007 04:22:17 GMT
Subject: Re: Why is --pretty=format: so slow?
Message-ID: <7vmytuvdvq.fsf@gitster.siamese.dyndns.org>
In-Reply-To: <18221.16318.785162.44769@cargo.ozlabs.ibm.com>

Paul Mackerras <paulus@samba.org> writes:

> Strace seems to indicate that git log is doing at least one sequence
> of open, fstat64, fcntl64, getdents64 and close for each line of
> output in the --pretty=format: cases, but not in the other cases.

I bet that is coming from doing find_unique_abbrev() to fill
fields %h, %t and %p, even when the output format does not ask
for any of them.

Dscho, can we stop calling find_unique_abbrev() unconditionally
before being asked?