Date: Mon, 6 Dec 2004 02:15:23 +0000
From: Andrew Suffield <asuffield@debian.org>
To: gnu-arch-users@gnu.org
Subject: Re: [Gnu-arch-users] Arch Versus CVS Versus Subversoin
Message-ID: <20041206021523.GA4544@suffields.me.uk>
Mail-Followup-To: gnu-arch-users@gnu.org
References: <20041205000613.PNEI7152.lakermmtao09.cox.net@nonerjsnum1tkq>
	<41B376B4.2060605@arbash-meinel.com>
	<20041206010853.GA2799@suffields.me.uk>
	<41B3B589.8010309@arbash-meinel.com>
	<20041206015722.GJ2799@suffields.me.uk>
	<41B3BF5A.903@arbash-meinel.com>
Mime-Version: 1.0
In-Reply-To: <41B3BF5A.903@arbash-meinel.com>
User-Agent: Mutt/1.5.6+20040907i
Precedence: list
Content-Type: multipart/mixed; boundary="===============1082079859=="
Sender: gnu-arch-users-bounces+migo=homemail.com@gnu.org
Errors-To: gnu-arch-users-bounces+migo=homemail.com@gnu.org
Status: RO
Content-Length: 2650
Lines: 84

--===============1082079859==
Content-Type: multipart/signed; micalg=pgp-sha1;
	protocol="application/pgp-signature"; boundary="nFreZHaLTZJo0R7j"
Content-Disposition: inline


--nFreZHaLTZJo0R7j
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
Content-Transfer-Encoding: quoted-printable

On Sun, Dec 05, 2004 at 08:09:30PM -0600, John A Meinel wrote:
> >Yes, arch supports binary diffs in exactly the same sense as subversion.
> >
> >It doesn't do delta compression on them. That's irrelevant.
>=20
> It is not irrelevant, people care about it.

People care about the price of oil as well, but that's still irrelevant.

> Yes, I understand why it does that. And I'm not really advocating that=20
> it changes. I might argue that we would be better off storing the md5sum=
=20
> of the previous version rather than a complete copy of it, but generally=
=20
> that is irrelevant.

That would be broken. Arch changesets are reversible.

> Admittedly, I'm talking about a small population (about 10+ people), but=
=20
> when I was taught CVS I was warned that binary files are not "diffed"=20
> but store in complete form each time. (Obviously this should have been=20
> "delta compressed"). I have also heard this argument from independent=20
> sources (as mentioned, about 10 times). I realize all of us are using=20
> the wrong terminology here. But I know that is what they meant, because=
=20
> the complaint was about the size of the archive, and how much better SVN=
=20
> is because it only stores the changes.

The difference in space consumed is not all that large for typical
applications. It's not a big deal. As always, nobody cares about it
enough to bother to implement it. Including you.

--=20
  .''`.  ** Debian GNU/Linux ** | Andrew Suffield
 : :' :  http://www.debian.org/ |
 `. `'                          |
   `-             -><-          |

--nFreZHaLTZJo0R7j
Content-Type: application/pgp-signature; name="signature.asc"
Content-Description: Digital signature
Content-Disposition: inline

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.2.5 (GNU/Linux)

iD8DBQFBs8C7lpK98RSteX8RAgykAJwK6FSl+2rI0UdUXwdF2CyE1EUoEwCdGBuw
y1dRzL5olhvnmET0oqWw6SI=
=z/yY
-----END PGP SIGNATURE-----

--nFreZHaLTZJo0R7j--


--===============1082079859==
Content-Type: text/plain; charset="us-ascii"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
Content-Disposition: inline

_______________________________________________
Gnu-arch-users mailing list
Gnu-arch-users@gnu.org
http://lists.gnu.org/mailman/listinfo/gnu-arch-users

GNU arch home page:
http://savannah.gnu.org/projects/gnu-arch/
--===============1082079859==--