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Subject: bug#22100: 'font-alias' breaks other xorg font packages when installed in a single profile
Resent-From: Alex Kost <alezost@HIDDEN>
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From: Alex Kost <alezost@HIDDEN>
Date: Sun, 06 Dec 2015 12:19:29 +0300
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I install several xorg font packages (font-adobe75dpi, font-adobe100dpi,
font-misc-misc and font-alias) in one of my profiles, and point my Xorg
font path to this directory.  Previously it worked fine, but after
commit bf9655f=C2=B9, I cannot use this anymore, because the empty
"fonts.dir" files from 'font-alias' packages override the proper
"fonts.dir" files from the other packages.

So since it was a workaround for Xorg server behaviour, I wonder would
it be possible to modify 'xorg-server' package instead?  So that along
with directories with "fonts.dir" files, Xorg server would also handle
directories that have "fonts.alias" files.

Anyway, I don't insist on reverting this commit, as I'm rather happy
using the following package (Guix is great!):

(define-public font-alias-pure
  (package
    (inherit font-alias)
    (name "font-alias-pure")
    (arguments '())
    (synopsis (string-append (package-synopsis font-alias)
                             " (upstream package without modifications)"))))

=C2=B9 http://git.savannah.gnu.org/cgit/guix.git/commit/?id=3Dbf9655f57d244=
2d56661594b80f6d0031ca0ae73

--=20
Alex

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To: Alex Kost <alezost@HIDDEN>
Subject: bug#22100: Acknowledgement ('font-alias' breaks other xorg font
 packages when installed in a single profile)
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Subject: bug#22100: 'font-alias' breaks other xorg font packages when installed in a single profile
Resent-From: ludo@HIDDEN (Ludovic =?UTF-8?Q?Court=C3=A8s?=)
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From: ludo@HIDDEN (Ludovic =?UTF-8?Q?Court=C3=A8s?=)
References: <874mfwexy6.fsf@HIDDEN>
Date: Wed, 09 Dec 2015 15:05:28 +0100
In-Reply-To: <874mfwexy6.fsf@HIDDEN> (Alex Kost's message of "Sun, 06 Dec
 2015 12:19:29 +0300")
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Alex Kost <alezost@HIDDEN> skribis:

> I install several xorg font packages (font-adobe75dpi, font-adobe100dpi,
> font-misc-misc and font-alias) in one of my profiles, and point my Xorg
> font path to this directory.  Previously it worked fine, but after
> commit bf9655f=C2=B9, I cannot use this anymore, because the empty
> "fonts.dir" files from 'font-alias' packages override the proper
> "fonts.dir" files from the other packages.

D=E2=80=99oh!

> So since it was a workaround for Xorg server behaviour, I wonder would
> it be possible to modify 'xorg-server' package instead?  So that along
> with directories with "fonts.dir" files, Xorg server would also handle
> directories that have "fonts.alias" files.

It seems we need something along these lines, indeed.

WDYT Eric?

Thanks,
Ludo=E2=80=99.

Message sent to bug-guix@HIDDEN:

Subject: bug#22100: 'font-alias' breaks other xorg font packages when installed in a single profile
Resent-From: ludo@HIDDEN (Ludovic =?UTF-8?Q?Court=C3=A8s?=)
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To: Eric Bavier <bavier@HIDDEN>
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From: ludo@HIDDEN (Ludovic =?UTF-8?Q?Court=C3=A8s?=)
References: <874mfwexy6.fsf@HIDDEN> <871tavsonr.fsf@HIDDEN>
 <20151211200627.04c9c1b1@HIDDEN>
Date: Sat, 12 Dec 2015 18:37:39 +0100
In-Reply-To: <20151211200627.04c9c1b1@HIDDEN> (Eric Bavier's message
 of "Fri, 11 Dec 2015 20:06:27 -0600")
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Eric Bavier <bavier@HIDDEN> skribis:

> Since xorg-server lacks AFAIK any environment variables to set the font
> path we cannot consider moving fonts to namespaced directories.

Hmm.

> Instead, we might want to consider ignoring fonts.dir files from the
> union build if possible and then running mkfontsdir at profile creation
> time.

We could always do that but, shouldn=E2=80=99t we fix the X font server ins=
tead?
(Easier said than done, I admit, unless there are patches floating around.)

Thanks,
Ludo=E2=80=99.

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Subject: bug#22100: 'font-alias' breaks other xorg font packages when installed in a single profile
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 Content preview:  On Wed, 09 Dec 2015 15:05:28 +0100 ludo@HIDDEN (Ludovic =?UTF-8?Q?Court=C3=A8s?=)
    wrote: > Alex Kost <alezost@HIDDEN> skribis: > > > I install several xorg
    font packages (font-adobe75dpi, font-adobe100dpi, > > font-misc-misc and
   font-alias) in one of my profiles, and point my Xorg > > font path to this
    directory. Previously it worked fine, but after > > commit =?UTF-8?Q?bf9655f=C2=B9,?= I cannot
    use this anymore, because the empty > > "fonts.dir" files from 'font-alias'
    packages override the proper > > "fonts.dir" files from the other packages.
    > > =?UTF-8?Q?D=E2=80=99oh!?= [...] 
 
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 Content preview:  On Wed, 09 Dec 2015 15:05:28 +0100 ludo@HIDDEN (Ludovic =?UTF-8?Q?Court=C3=A8s?=)
    wrote: > Alex Kost <alezost@HIDDEN> skribis: > > > I install several xorg
    font packages (font-adobe75dpi, font-adobe100dpi, > > font-misc-misc and
   font-alias) in one of my profiles, and point my Xorg > > font path to this
    directory. Previously it worked fine, but after > > commit =?UTF-8?Q?bf9655f=C2=B9,?= I cannot
    use this anymore, because the empty > > "fonts.dir" files from 'font-alias'
    packages override the proper > > "fonts.dir" files from the other packages.
    > > =?UTF-8?Q?D=E2=80=99oh!?= [...] 
 
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On Wed, 09 Dec 2015 15:05:28 +0100
ludo@HIDDEN (Ludovic Court=C3=A8s) wrote:

> Alex Kost <alezost@HIDDEN> skribis:
>=20
> > I install several xorg font packages (font-adobe75dpi, font-adobe100dpi,
> > font-misc-misc and font-alias) in one of my profiles, and point my Xorg
> > font path to this directory.  Previously it worked fine, but after
> > commit bf9655f=C2=B9, I cannot use this anymore, because the empty
> > "fonts.dir" files from 'font-alias' packages override the proper
> > "fonts.dir" files from the other packages. =20
>=20
> D=E2=80=99oh!

Oops indeed.

> > So since it was a workaround for Xorg server behaviour, I wonder would
> > it be possible to modify 'xorg-server' package instead?  So that along
> > with directories with "fonts.dir" files, Xorg server would also handle
> > directories that have "fonts.alias" files. =20
>=20
> It seems we need something along these lines, indeed.

That may help in the specific case of the font-alias package.  It would
not help in the long run however.  We currently have a rather
limited number of X11 fonts in Guix, just the adobe fonts to be
precise.  We'll run into the same 'fonts.dir' collision issues once
other X11 fonts are packaged and installed in a profile alongside other
fonts.

E.g. installing font-adobe75dpi and a future font-bitstream75dpi would
produce a collision on the fonts.dir files from each package, and
ultimately only one of the fonts would be available to the user.

Since xorg-server lacks AFAIK any environment variables to set the font
path we cannot consider moving fonts to namespaced directories.
Instead, we might want to consider ignoring fonts.dir files from the
union build if possible and then running mkfontsdir at profile creation
time.

`~Eric

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