From owner-freebsd-bugs  Wed Jan 30 15:12:42 2002
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Date: Wed, 30 Jan 2002 17:12:33 -0600
Subject: Re: conf/6346: Kernel version strings need to relate to the source not the build
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Cc: Josef Karthauser <joe@tao.org.uk>, <sheldonh@FreeBSD.ORG>,
	<freebsd-bugs@FreeBSD.ORG>
To: Bruce Evans <bde@zeta.org.au>
From: Richard Wackerbarth <rkw@dataplex.net>
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On Wednesday, January 30, 2002, at 01:58 PM, Bruce Evans wrote:

> On Wed, 30 Jan 2002, Josef Karthauser wrote:
>
>> On Wed, Jan 30, 2002 at 05:40:41PM +0000, Josef Karthauser wrote:
>>> Technically we could use the date in the latest $FreeBSD$ tag of the
>>> source code, and then put this into vers.c at kernel build time.
>>>
>>> The following patch would do it.
>>>
>>> Joe
>>>
>>> Index: newvers.sh
>>> ===================================================================
>>> RCS file: /home/ncvs/src/sys/conf/newvers.sh,v
>>> retrieving revision 1.47
>>> diff -u -r1.47 newvers.sh
>>> --- newvers.sh	2 Mar 2001 16:52:13 -0000	1.47
>>> +++ newvers.sh	30 Jan 2002 17:39:42 -0000
>>> @@ -86,11 +86,15 @@
>>>
>>>  touch version
>>>  v=`cat version` u=${USER-root} d=`pwd` h=`hostname` t=`date`
>>> +
>>> +l=`find /usr/src/sys/conf | xargs grep '\$FreeBSD:.*$' | sed \
>>> +    's/.*\$FreeBSD://' | awk '{ print $3 "-" $4 }' | sort -n | tail 
>>> -1`
>>> +
>>
>> Oops: s/\/conf//.  (That was my test).
>
> That slows it down enough to be annoying.  Also, the path shouldn't be
> absolute.
>
> Bruce

I think we could actually do it just once (at the time that we update 
from the cvs?) and cache that result.
That would get rid of at least a part of the delay.

It can also be done by playing games on a special file in the master cvs 
archive (but not the copies thereof)
--
Richard Wackerbarth				The Digital Dataplex
(512) 346-5772					8801 Camelia Ln
rkw@dataplex.net					Austin, TX 78759


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