Date: Thu, 31 Jan 2002 07:17:15 -0600 From: "Jacques A. Vidrine" <n@nectar.cc> To: Sheldon Hearn <sheldonh@starjuice.net> Cc: arch@FreeBSD.org Subject: Re: Adding support for a global src tree serial number Message-ID: <20020131131714.GA87780@madman.nectar.cc> In-Reply-To: <79300.1012474898@axl.seasidesoftware.co.za> References: <79300.1012474898@axl.seasidesoftware.co.za>
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On Thu, Jan 31, 2002 at 01:01:38PM +0200, Sheldon Hearn wrote:
> I'd like to propose the addition of a global src tree serial number that
> uniquely identifies an imaginary snapshot of the src tree.
This is attractive to me, since we already do something like this for
the `security' branches (RELENG_4_3 et al). We manually bump $BRANCH
in newvers.sh. I imagine it would also be attractive to people on
freebsd-binup.
Other folks have already pointed out the problems with the scheme, but
I want to make a couple of other random comments:
= I would like to be able to change this number in a running system.
i.e. if patch X is applied to FOO.BAR-RELEASE, I want the system to
immediately reflect that it is now FOO.BAR'-RELEASE.
= The serial number would need to be different for different branches,
and unambiguous. Or all references to the serial number must also
include the branch, e.g. 4.5-RELEASE build 9230.
= It would be almost as useful if the serial number were simply bumped
once a day, every day.
= The serial number could be the MD5 of the source tree from which the
system was compiled:
tar -C /usr/src --exclude CVS -cf - . | md5
I'm currently running 4.5-RELEASE build 10c5be07ecd40c66fc126dd57afd934c.
Cheers,
--
Jacques A. Vidrine <n@nectar.cc> http://www.nectar.cc/
NTT/Verio SME . FreeBSD UNIX . Heimdal Kerberos
jvidrine@verio.net . nectar@FreeBSD.org . nectar@kth.se
OK, you caught me. The last bullet was a joke.
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