[RFC] incremental rebase

[Achim Gratz]

Ken Brown writes:
> I'm not convinced that we need to worry so much about all these
> details.  What if we just check (based on timestamps of files in
> /etc/setup/*.lst.gz) whether anything has been installed into
> /usr/info or /usr/share/info since we last did this check.  If so,
> then just do exactly what the current update-info-dir.sh does.

We also need to track if something was deinstalled.  Unless we want to
force all packages to do the appropriate install-info calls themselves
in preremove and postinstall, of course.

> autorebase can't get away with anything so simple, but it seems to me
> that this is good enough for update_info_dir.

We can always fall back to what we are doing now, yes.  But I'd like to
see if it can be improved.


Regards,
Achim.
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