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Message-ID: <bbdf99df867786510f709473fa2c3744dbf27bb4.camel@perches.com>
Date: Mon, 06 Feb 2023 03:09:26 -0800
From: Joe Perches <joe@...ches.com>
To: Geert Uytterhoeven <geert@...ux-m68k.org>
Cc: Jonathan Neuschäfer <j.neuschaefer@....net>,
linux-kernel@...r.kernel.org,
Linus Torvalds <torvalds@...ux-foundation.org>,
Andy Whitcroft <apw@...onical.com>,
Dwaipayan Ray <dwaipayanray1@...il.com>,
Lukas Bulwahn <lukas.bulwahn@...il.com>
Subject: Re: [PATCH] checkpatch.pl: Relax commit ID check to allow more than
12 chars
On Mon, 2023-02-06 at 09:38 +0100, Geert Uytterhoeven wrote:
> Hi Joe,
>
> On Sat, Feb 4, 2023 at 5:59 PM Joe Perches <joe@...ches.com> wrote:
> > On Sun, 2023-01-29 at 09:52 -0800, Joe Perches wrote:
> > > On Sun, 2023-01-29 at 13:34 +0100, Jonathan Neuschäfer wrote:
> > > > By now, `git log --pretty=%h` (on my copy of linux.git) prints commit
> > > > hashes with 13 digits, because of the number of objects.
> > > >
> > > > Relax the rule in checkpatch.pl to allow a few more digits (up to 16).
> > >
> > > NAK without updating the process docs first.
> >
> > btw: it looks like 12 will still be sufficient for awhile yet
> >
> > $ git count
> > total 1154908
>
> Hmm, Ubuntu git too old?
Don't think so
$ git --version
git version 2.39.1
More likely just using Linus' tree and not a
development tree with a bunch of branches.
I've got a -next tree with history back to next-20151106
with a bunch of missing dates because I don't fetch it
every day. It has:
$ git tag | grep next | wc -l
1134
There I get:
$ git -c core.abbrev=5 log --pretty=format:%h | \
perl -nE 'chomp;say length' | sort | uniq -c | sort -n -k2
6 5
542082 6
568573 7
51124 8
3249 9
217 10
14 11
1 12
> I've been using core.abbrev=16 for a while, and some maintainers
> reject my patches with Fixes: tags because of that...
Perhaps because that's not the documented format?
> Is it really worthwhile to save on the number of hexits, making lookup
> of some commits more inconvenient?
>
> Note that while "git show edb9b8" suggests edb9b8f[...],
> gitweb says bad object id:
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=edb9b8
hmm. Not here.
$ git show edb9b8
tree edb9b8
Kconfig
Makefile
fmvj18x_cs.c
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