Re: Debian package scripts
> * There should be a separate functionality for package update.
> The act of upgrading a package is fundamentally different from
> removing it and deciding to install it again later.
You can check on arguments given to these scripts, if $1 = upgrade for example
> * Four separate scripts may be required. On average, this wastes 512
> bytes of disk space per script due to internal fragmentation.
> Scripts are run very infrequently and thus could be combined in a
> single script, (also possibly sharing some code between functions).
good point but,
> I therefore propose that a new type of package maintenance script be
> created, "<name>.maint", where arguments define the position in the
> * before/after initial installation
> * before/after final removal
> * before/after removal in the update/upgrade process
> * before/after installation in the update/upgrade process
> * ???
> Some of these will be equivalent in many packages, but the finer
> granularity would be good.
> Older packages could continue to use the four separate scripts for a
> while, but I think it's clear that using a single script will help
> save space, help reuse code, and offer the opportunity to add new
> functionality without adding new scripts. /var/lib/dpkg/info is
> getting a bit crowded too.
it will be quite a piece of work to implement
it won't be very easy to do manual parts of the installation because
one has to give the script the proper arguments
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