On 09/20/2013 04:37 AM, Dale wrote:
> Alexander Kapshuk wrote:
>> On 09/19/2013 10:50 PM, Alan McKinnon wrote:
>>> On 19/09/2013 20:58, Alexander Kapshuk wrote:
>>>> Howdy,
>>>>
>>>> Is having duplicate packages a good or a bad thing in gentoo? I'm clear
>>>> about having duplicate packages for the kernel. I'm using the more
>>>> recent one, but hanging on to the old one just in case.
>>>>
>>>> Perhaps, the reason for having duplicate packages is the fact that
>>>> various packages I have installed on the system may require a different
>>>> version of a package I may already have installed. Is that it?
>>>>
>>>> _box0=; equery list --duplicates '*'
>>>>  * Searching for * ...
>>>> [IP-] [  ] app-text/docbook-xml-dtd-4.1.2-r6:4.1.2
>>>> [IP-] [  ] app-text/docbook-xml-dtd-4.4-r2:4.4
>>>> [IP-] [  ] dev-lang/python-2.7.5-r2:2.7
>>>> [IP-] [  ] dev-lang/python-3.2.5-r2:3.2
>>>> [IP-] [  ] dev-libs/openssl-0.9.8y:0.9.8
>>>> [IP-] [  ] dev-libs/openssl-1.0.1e-r1:0
>>>> [IP-] [  ] media-libs/lcms-1.19:0
>>>> [IP-] [  ] media-libs/lcms-2.3:2
>>>> [IP-] [  ] sys-devel/autoconf-2.13:2.1
>>>> [IP-] [  ] sys-devel/autoconf-2.69:2.5
>>>> [IP-] [  ] sys-devel/automake-1.10.3:1.10
>>>> [IP-] [  ] sys-devel/automake-1.12.6:1.12
>>>> [IP-] [  ] sys-devel/automake-1.13.4:1.13
>>>> [IP-] [M ] sys-kernel/gentoo-sources-3.8.13:3.8.13
>>>> [IP-] [  ] sys-kernel/gentoo-sources-3.10.7:3.10.7
>>>> [IP-] [  ] virtual/libusb-0:0
>>>> [IP-] [  ] virtual/libusb-1:1
>>>> [IP-] [  ] x11-libs/gtk+-2.24.17:2
>>>> [IP-] [  ] x11-libs/gtk+-3.4.4:3
>>>> [IP-] [  ] x11-themes/gtk-engines-xfce-3.0.1-r200:0
>>>> [IP-] [  ] x11-themes/gtk-engines-xfce-3.0.1-r300:3
>>>> _
>>>> Thanks.
>>>>
>>> They are not duplicates they are called SLOTS
>>>
>>> And you have them for a reason - one thing needs package A version X,
>>> something else needs package A version Y. Usually, you can have only
>>> one, SLOTS let you have more than one that can co-exist.
>>>
>>> Don't worry about them, let them be. You need them.
>>>
>>>
>>>
>> No worries.
>>
>> Thanks.
>>
>>
>>
> As a example, if you were to remove python2.7, its been nice knowing
> you.  lol  There is no telling what all that would break and that is
> just one package.  I get a shiver up my spine just thinking about it. 
> It's always good to ask about this sort of thing.  The 20/20 rear view
> mirror view can bite.  ;-) 
>
> Dale
>
> :-)  :-) 
>
Nice analogy.

Thanks.


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