[gentoo-dev] RFC: addition of virtual/fonts package

[gentoo-dev] RFC: addition of virtual/fonts package

[Jeremy Olexa]

I'm thinking that a virtual/fonts package would be a good addition to 
the tree. We have hit this issue in Gentoo Prefix where any font package 
would satisfy a dependency. I also have an open bug where a package 
depends on corefonts but the reporter has stated that another fonts 
package will work. Frankly, I would rather *not* depend on the 
proprietary M$ fonts, myself. So my proposal would be to make every 
fonts package satisfy some virtual and then other packages can depend on 
that virtual to satisfy the need for *some* fonts. I just don't have a 
game plan for the best way to do it.

Do you people agree that this could be useful?
Does anyone have a suggestion for the best way to get it done?

Thanks for reading!
-Jeremy

Re: [gentoo-dev] RFC: addition of virtual/fonts package

[Robin H. Johnson]

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On Mon, Sep 22, 2008 at 10:03:53PM -0500, Jeremy Olexa wrote:
> I'm thinking that a virtual/fonts package would be a good addition to the 
> tree. We have hit this issue in Gentoo Prefix where any font package would 
> satisfy a dependency. I also have an open bug where a package depends on 
> corefonts but the reporter has stated that another fonts package will work. 
> Frankly, I would rather *not* depend on the proprietary M$ fonts, myself. 
> So my proposal would be to make every fonts package satisfy some virtual 
> and then other packages can depend on that virtual to satisfy the need for 
> *some* fonts. I just don't have a game plan for the best way to do it.
Is a single virtual sufficient? Some years ago I pondered having
virtuals for some of the combinations of fonts: 
- format: truetype, T1, pcf, bdf
- serif, sans serif
- monospace, variable width

-- 
Robin Hugh Johnson
Gentoo Linux Developer & Infra Guy
E-Mail     : robbat2@gentoo.org
GnuPG FP   : 11AC BA4F 4778 E3F6 E4ED  F38E B27B 944E 3488 4E85

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[gentoo-dev] Re: RFC: addition of virtual/fonts package

[Ryan Hill]

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On Mon, 22 Sep 2008 22:03:53 -0500
Jeremy Olexa <darkside@gentoo.org> wrote:

> I'm thinking that a virtual/fonts package would be a good addition to 
> the tree. We have hit this issue in Gentoo Prefix where any font
> package would satisfy a dependency. I also have an open bug where a
> package depends on corefonts but the reporter has stated that another
> fonts package will work. Frankly, I would rather *not* depend on the 
> proprietary M$ fonts, myself. So my proposal would be to make every 
> fonts package satisfy some virtual and then other packages can depend
> on that virtual to satisfy the need for *some* fonts. I just don't
> have a game plan for the best way to do it.
> 
> Do you people agree that this could be useful?
> Does anyone have a suggestion for the best way to get it done?

Is it something like currently deps on corefonts but liberation-fonts
works?  I think there was a bug open somewhere for that at some point.
I could see a virtual on a some agreed upon choice of core fonts, but
to have every font package in it...

There are also lot of packages that depend on ttf-bitstream-vera that
might work just as easily with dejavu.

-- 
gcc-porting,                                      by design, by neglect
treecleaner,                              for a fact or just for effect
wxwidgets @ gentoo     EFFD 380E 047A 4B51 D2BD C64F 8AA8 8346 F9A4 0662

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Re: [gentoo-dev] Re: RFC: addition of virtual/fonts package

[Jeremy Olexa]

Ryan Hill wrote:
> On Mon, 22 Sep 2008 22:03:53 -0500
> Jeremy Olexa <darkside@gentoo.org> wrote:
> 
>> I'm thinking that a virtual/fonts package would be a good addition to 
>> the tree. We have hit this issue in Gentoo Prefix where any font
>> package would satisfy a dependency. I also have an open bug where a
>> package depends on corefonts but the reporter has stated that another
>> fonts package will work. Frankly, I would rather *not* depend on the 
>> proprietary M$ fonts, myself. So my proposal would be to make every 
>> fonts package satisfy some virtual and then other packages can depend
>> on that virtual to satisfy the need for *some* fonts. I just don't
>> have a game plan for the best way to do it.
>>
>> Do you people agree that this could be useful?
>> Does anyone have a suggestion for the best way to get it done?
> 
> Is it something like currently deps on corefonts but liberation-fonts
> works?  I think there was a bug open somewhere for that at some point.
> I could see a virtual on a some agreed upon choice of core fonts, but
> to have every font package in it...

Yes, that is my open bug that I have at the moment. bug #215661. But it 
is not the first time I have come across this. Maybe every font package 
satisfying a virtual is silly, I don't know. Maybe there are only a 
couple of package which can be interchanged, is it known which ones? If 
that was the case, then it is trivial to do || ( corefonts 
liberation-fonts ) and the case is closed here.

> 
> There are also lot of packages that depend on ttf-bitstream-vera that
> might work just as easily with dejavu.
> 

I have heard this as well.

Re: [gentoo-dev] Re: RFC: addition of virtual/fonts package

[Ben de Groot]

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Jeremy Olexa wrote:
> Ryan Hill wrote:
>> On Mon, 22 Sep 2008 22:03:53 -0500
>> Jeremy Olexa <darkside@gentoo.org> wrote:
>>
>>> I'm thinking that a virtual/fonts package would be a good addition to
>>> the tree. We have hit this issue in Gentoo Prefix where any font
>>> package would satisfy a dependency. I also have an open bug where a
>>> package depends on corefonts but the reporter has stated that another
>>> fonts package will work. Frankly, I would rather *not* depend on the
>>> proprietary M$ fonts, myself. So my proposal would be to make every
>>> fonts package satisfy some virtual and then other packages can depend
>>> on that virtual to satisfy the need for *some* fonts. I just don't
>>> have a game plan for the best way to do it.
>>>
>>> Do you people agree that this could be useful?
>>> Does anyone have a suggestion for the best way to get it done?
>>
>> Is it something like currently deps on corefonts but liberation-fonts
>> works?  I think there was a bug open somewhere for that at some point.
>> I could see a virtual on a some agreed upon choice of core fonts, but
>> to have every font package in it...
> 
> Yes, that is my open bug that I have at the moment. bug #215661. But it
> is not the first time I have come across this. Maybe every font package
> satisfying a virtual is silly, I don't know. Maybe there are only a
> couple of package which can be interchanged, is it known which ones? If
> that was the case, then it is trivial to do || ( corefonts
> liberation-fonts ) and the case is closed here.
> 
>>
>> There are also lot of packages that depend on ttf-bitstream-vera that
>> might work just as easily with dejavu.
>>
> 
> I have heard this as well.
> 
> 
I think the proposal for a virtual/fonts is very useful. I don't know if
there are any cases where bitmap fonts would be needed instead of
truetype fonts. But if that is the case, we should make separate
virtuals for those.

I think it would be best to add the more common font packages to the
fonts virtual, and not all. I'd propose something along the lines of:
|| ( dejavu liberation-fonts ttf-bitstream-vera corefonts )

-- 
Ben de Groot
Gentoo Linux developer (lxde, media, desktop-misc)
Gentoo Linux Release Engineering PR liaison
__________________________________________________

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