[csw-maintainers] Migrating config files from /opt/csw/etc to /etc/opt/csw during package update

[Trygve Laugstøl]

Philip Brown wrote:
> I think with this sort of thing, you have to consider the likelyhood of 
> breakage.
> 
> If the nature of the application/configuration is relatively 
> straightforward, and/or compatibility between the two versions is very 
> strong, then I think the best thing to do is an automated migration.
> 
> If on the other hand, breakage is very likely, then probably "halt and 
> prompt" is best.
> 
> An intermediate possibility, might be if the app has very good 
> configuration file verification.
> 
> Then you could do the automigration, VERIFY it, and then halt noisily if 
> it fails verification.
> 
> A post thought: in this case, I think you should always only copy; never 
> remove. Worse case, 'mv' old config to config.migrated or something.

These points sounds like a good policy to me and are similar to what 
I've talked about earlier.

--
Trygve