TurnKey Linux's take on Ubuntu appliance development: KISS

Steve Langasek steve.langasek at ubuntu.com
Fri Jan 8 07:32:31 GMT 2010


On Thu, Jan 07, 2010 at 02:19:34PM -0600, Evan Broder wrote:
> i.e. if you're configuring /etc/nsswitch.conf, a package using
> config-package-dev will install an /etc/nsswitch.conf.debathena file,
> divert the original /etc/nsswitch.conf to
> /etc/nsswitch.conf.debathena-orig in its postinst, and symlink
> /etc/nsswitch.conf -> /etc/nsswitch.conf.debathena.

And this doesn't cause any prompts or overwritten configs on upgrade?

I'm pleasantly surprised if this is true.  There was a long known
incompatibility between dpkg's conffile handling and its diversion handling,
which is even codified in Debian/Ubuntu Policy (section 10.7.4).

-- 
Steve Langasek                   Give me a lever long enough and a Free OS
Debian Developer                   to set it on, and I can move the world.
Ubuntu Developer                                    http://www.debian.org/
slangasek at ubuntu.com                                     vorlon at debian.org
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