[gentoo-user] Slots

[gentoo-user] Slots

[Jeff Grossman]

I have just realized about programs that can be installed in slots.
Is there a way for me to find out what programs are installed in more
than one slot on my computer?  Can I tell if a particular program in a
slot is still needed?

Thanks,
Jeff

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Re: [gentoo-user] Slots

[Richard Fish]

On 11/26/05, Jeff Grossman <jeff@stikman.com> wrote:
> I have just realized about programs that can be installed in slots.
> Is there a way for me to find out what programs are installed in more
> than one slot on my computer?  Can I tell if a particular program in a
> slot is still needed?

"emerge --prune --pretend world" will tell you all packages that have
more than one version installed (ie. slotted).

As for finding out whether a particular version of a slotted package
is still needed or not, well, you could do:

emerge --prune <pkg>
emerge -Dv world
revdep-rebuild

But the above is a bit dangerous, and could break your system.  Be careful.

-Richard

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[gentoo-user] Re: Slots

[Jeff Grossman]

Richard Fish <bigfish@asmallpond.org> wrote:

>On 11/26/05, Jeff Grossman <jeff@stikman.com> wrote:
>> I have just realized about programs that can be installed in slots.
>> Is there a way for me to find out what programs are installed in more
>> than one slot on my computer?  Can I tell if a particular program in a
>> slot is still needed?
>
>"emerge --prune --pretend world" will tell you all packages that have
>more than one version installed (ie. slotted).
>
>As for finding out whether a particular version of a slotted package
>is still needed or not, well, you could do:
>
>emerge --prune <pkg>
>emerge -Dv world
>revdep-rebuild
>
>But the above is a bit dangerous, and could break your system.  Be careful.

Thanks for the information.  That is one are where I think Gentoo can
definitely improve.  Making it so you can tell if removing a package
will kill anything.  I would imagine this is probably not an easy task
though.

Jeff

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[gentoo-user] Re: Slots

[Jeff Grossman]

Richard Fish <bigfish@asmallpond.org> wrote:

>On 11/26/05, Jeff Grossman <jeff@stikman.com> wrote:
>> I have just realized about programs that can be installed in slots.
>> Is there a way for me to find out what programs are installed in more
>> than one slot on my computer?  Can I tell if a particular program in a
>> slot is still needed?
>
>"emerge --prune --pretend world" will tell you all packages that have
>more than one version installed (ie. slotted).
>
>As for finding out whether a particular version of a slotted package
>is still needed or not, well, you could do:
>
>emerge --prune <pkg>
>emerge -Dv world
>revdep-rebuild
>
>But the above is a bit dangerous, and could break your system.  Be careful.

Thanks for the information.  That is one are where I think Gentoo can
definitely improve.  Making it so you can tell if removing a package
will kill anything.  I would imagine this is probably not an easy task
though.

Jeff


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Re: [gentoo-user] Re: Slots

[Renat Golubchyk]

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On Sat, 26 Nov 2005 11:10:31 -0800 Jeff Grossman <jeff@stikman.com>
wrote:
> Thanks for the information.  That is one are where I think Gentoo can
> definitely improve.  Making it so you can tell if removing a package
> will kill anything.

You can check whether the package you intend to remove is a dependency
of another package ;-) You can do it with "equery depends <package>".

Cheers,
Renat

-- 
Probleme kann man niemals mit derselben Denkweise loesen,
durch die sie entstanden sind.
                                              (Einstein)

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Re: [gentoo-user] Re: Slots

[Kevin Hanson]

Jeff Grossman wrote:

>Richard Fish <bigfish@asmallpond.org> wrote:
>
>  
>
>>On 11/26/05, Jeff Grossman <jeff@stikman.com> wrote:
>>    
>>
>>>I have just realized about programs that can be installed in slots.
>>>Is there a way for me to find out what programs are installed in more
>>>than one slot on my computer?  Can I tell if a particular program in a
>>>slot is still needed?
>>>      
>>>
>>"emerge --prune --pretend world" will tell you all packages that have
>>more than one version installed (ie. slotted).
>>
>>As for finding out whether a particular version of a slotted package
>>is still needed or not, well, you could do:
>>
>>emerge --prune <pkg>
>>emerge -Dv world
>>revdep-rebuild
>>
>>But the above is a bit dangerous, and could break your system.  Be careful.
>>    
>>
>
>  
>
I like the old 'etcat'.  You can still find it on your system at 
/usr/share/doc/gentoolkit-<version>/deprecated/etcat/etcat.

I use 'etcat versions <pkg>' all the time.  The number in parentheses is 
the slot that package is in.  E.G. for php:

[ Results for search key           : php ]
[ Candidate applications found : 13 ]

 Only printing found installed programs.

*  dev-lang/php :
        [ ~ ] 4.3.11-r4 (4)
        [ ~ ] 4.4.0-r4 (4)
        [  I] 4.4.1-r2 (4)
        [M~ ] 5.0.4-r4 (5)
        [M~ ] 5.0.5-r4 (5)
*  dev-php/php :
        [   ] 4.3.11 (0)
        [   ] 4.3.11-r1 (0)
        [   ] 4.3.11-r3 (0)
        [   ] 4.3.11-r4 (0)
        [   ] 4.4.0 (0)
        [   ] 4.4.0-r1 (0)
        [   ] 4.4.0-r3 (0)
        [   ] 4.4.0-r4 (0)

This shows that I have ver 4.4.1-r2 installed on my system in slot 4.

I haven't found an equivalent w/ equery.  I create a symbolic link from 
the etcat location above to /usr/local/bin.  However, everytime 
gentoolkit is updated, I have to update the link.

Cheers,
Kevin
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Re: [gentoo-user] Re: Slots

[Martins]

At 21:10 2005.11.26., you wrote:
>Richard Fish <bigfish@asmallpond.org> wrote:
>
> >On 11/26/05, Jeff Grossman <jeff@stikman.com> wrote:
> >> I have just realized about programs that can be installed in slots.
> >> Is there a way for me to find out what programs are installed in more
> >> than one slot on my computer?  Can I tell if a particular program in a
> >> slot is still needed?
> >
> >"emerge --prune --pretend world" will tell you all packages that have
> >more than one version installed (ie. slotted).
> >
> >As for finding out whether a particular version of a slotted package
> >is still needed or not, well, you could do:
> >
> >emerge --prune <pkg>
> >emerge -Dv world
> >revdep-rebuild
> >
> >But the above is a bit dangerous, and could break your system.  Be careful.
>
>Thanks for the information.  That is one are where I think Gentoo can
>definitely improve.  Making it so you can tell if removing a package
>will kill anything.  I would imagine this is probably not an easy task
>though.
>
>Jeff

maybe there should be some options when updating and emerge tries to bring 
in new slot, see, now i have qt3 and qt4, qt3 was emerged as kde dependence 
but nothing depends on qt4. so there waste of time and space unless i don't 
need qt4 for development or whatever. am i right?

martins

   

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