[RFC/HEADSUP] portmaster default -w (preserve shared libraries)

[Jeremy Messenger]

On Tue, Dec 11, 2012 at 10:16 AM, Kimmo Paasiala <kpaasial at gmail.com> wrote:
> On Tue, Dec 11, 2012 at 5:55 PM, Bryan Drewery <bdrewery at freebsd.org> wrote:
>> (As maintainer) I'm proposing to make -w the default for portmaster.
>> This will preserve old shared libraries when upgrading. This helps 2 things:
>>
>> 1. Prevents a broken system during upgrades
>> 2. Prevents a broken system after upgrading for ports that did not get a
>> PORTREVISION bump from a shared library update.
>>
>> You have certainly ran into this problem with large library updates such
>> as png, pcre, openssl, etc.
>>
>> Portupgrade has always done this as default, and I have never seen any
>> problems arise from it. It also cleans up prevents duplicated library
>> versions. If portmaster is not already doing this, I will ensure it does.
>>
>> You could then use pkg_libchk to rebuild any lingering ports if you
>> wanted to ensure your system was using the latest. Then cleanout the
>> preserved shared library.
>>
>> Of course there will be a way to stick to the old default of not
>> preserving the libraries.
>>
>> Someone may consider this a POLA violation, but I consider that a broken
>> system from missing libraries and PORTREVISION bumps is more of a POLA
>> violation.
>>
>>
>> The other option to ensuring that all ports work correctly after a
>> shared library update is to just rebuild any port which recursively is
>> affected by another port being updated. I think this is fine in
>> scenarios such as tinderbox/poudriere, but with end-user compiling ports
>> on their system, this may quickly become too much of a burden.
>>
>>
>> Regards,
>> Bryan Drewery
>>
>>
>
> Absolutely yes from me. The -w option is real lifesaver and should be
> on by default.

I disagree. The -w is a temp fix and not a correct solution, so it
shouldn't be default.

> -Kimmo


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