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Re: alternate packs/config proposal for Linux

daemon@ATHENA.MIT.EDU (Derek Atkins)
Tue Oct 6 09:17:29 1998

To: Greg Hudson <ghudson@MIT.EDU>
Cc: amu@MIT.EDU (Aaron M. Ucko), sipb-source-reviewers@MIT.EDU,
        linux-dev@MIT.EDU
From: Derek Atkins <warlord@MIT.EDU>
Date: 06 Oct 1998 09:17:08 -0400
In-Reply-To: Greg Hudson's message of Mon, 05 Oct 1998 15:32:55 EDT

RPM has a concept called 'triggers' which you can use to call a script
from package A when either it _or_ package B changes.  So, if, for
example, RedHat changes /etc/services (which will replace the patched
version), the 'trigger' will fire which will re-apply our changes.

The only issue is that we need to make sure that our patch runs
properly on both versions.  Hopefully it is easy-enough to make a
generic 'patch'.

-derek

Greg Hudson <ghudson@MIT.EDU> writes:

> Yes, it is an issue.  Consider the case where the system takes an RPM
> update which edits the config file after the sed script has been
> applied.  How do you go to a new version of that sed script while
> preserving the RPM update?

-- 
       Derek Atkins, SB '93 MIT EE, SM '95 MIT Media Laboratory
       Member, MIT Student Information Processing Board  (SIPB)
       URL: http://web.mit.edu/warlord/    PP-ASEL-IA     N1NWH
       warlord@MIT.EDU                        PGP key available

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