Re: [OBORONA-SPAM] Re: lmtx & lohit-devanagari fonts

[Vladimir Lomov <lomov.vl@yandex.ru>]

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Hello,
** Saša Janiška <gour@atmarama.com> [2020-04-22 07:43:51 +0200]:

> On Tue, 21 Apr 2020 23:07:48 +0200
> Pablo Rodriguez <oinos@gmx.es> wrote:

> Hello Pablo,

> thank you for your assistance!

>> This works for me with LMTX in Fedora.
>> 
>> Add to ~/.bashrc "export OSFONTDIR=~/.fonts/:/usr/share/fonts/" (log
>> out and log in) 

> I'm using fish shell, but here is my env:

Do you understand well how your shell work? If you do, it is Ok, but otherwise
why do you use such unusual shell? Why not bash or zsh?

> $ env | grep OSFONTDIR
> OSFONTDIR=/home/gour/.fonts/ /usr/share/fonts/

Is it correct output? I'm not a fish user but as bash user I would test
'OSFONTDIR' as following

$ echo "'${OSFONTDIR}'"

In my shell I get

$ echo "'${OSFONTDIR}'"
'/usr/share/fonts;/usr/local/share/fonts;/usr/local/opt/texlive/2020/texmf-dist/fonts/truetype;/usr/local/opt/texlive/2020/texmf-dist/fonts/opentype'

As you see, its value is semicolon separated paths. Not a SPACE separated
list of paths but a SEMICOLON separated. I'm not sure if fish (shell) changes
semicolon in a VALUE to a space or you set it without quoting the value. I set
OSFONTDIR as (this is for BASH!)

OSFONTDIR="/usr/share/fonts;/usr/local/share/fonts"
export OSFONTDIR

> Now I changed local one to ~/.local/share/fonts, but it is empty and my
> fonts are in:

> $ fc-cache -v | grep google-noto
> 	/usr/share/fonts/google-noto
> 	/usr/share/fonts/google-noto-cjk
> 	/usr/share/fonts/google-noto-emoji
> 	/usr/share/fonts/google-noto-vf
> /usr/share/fonts/google-noto: skipping, existing cache is valid: 76
> fonts, 0 dirs /usr/share/fonts/google-noto-cjk: skipping, existing
> cache is valid: 45 fonts, 0 dirs /usr/share/fonts/google-noto-emoji:
> skipping, existing cache is valid: 1 fonts, 0 dirs
> /usr/share/fonts/google-noto-vf: skipping, existing cache is valid: 146
> fonts, 0 dirs /usr/share/fonts/google-noto: skipping, looped directory
> detected /usr/share/fonts/google-noto-cjk: skipping, looped directory
> detected /usr/share/fonts/google-noto-emoji: skipping, looped directory
> detected /usr/share/fonts/google-noto-vf: skipping, looped directory
> detected /usr/share/fonts/google-noto /usr/share/fonts/google-noto-cjk
> 	/usr/share/fonts/google-noto-emoji
> 	/usr/share/fonts/google-noto-vf
> /usr/share/fonts/google-noto: skipping, existing cache is valid: 76
> fonts, 0 dirs /usr/share/fonts/google-noto-cjk: skipping, existing
> cache is valid: 45 fonts, 0 dirs /usr/share/fonts/google-noto-emoji:
> skipping, existing cache is valid: 1 fonts, 0 dirs
> /usr/share/fonts/google-noto-vf: skipping, existing cache is valid: 146
> fonts, 0 dirs /usr/share/fonts/google-noto: skipping, looped directory
> detected /usr/share/fonts/google-noto-cjk: skipping, looped directory
> detected /usr/share/fonts/google-noto-emoji: skipping, looped directory
> detected /usr/share/fonts/google-noto-vf: skipping, looped directory
> detected

>> and repeat the three other steps from my previous
>> message.

> Here they are:

>> 1. Remove "/home/gour/opt/lmtx/tex/texmf-cache/luatex-cache/".

> $ rm -rf /home/gour/opt/lmtx/tex/texmf-cache/luatex-cache

>> 2. Run "mtxrun --generate".

> $ mtxrun --generate
> resolvers       | resolving | variable 'SELFAUTOLOC' set to
> '/home/gour/opt/lmtx/bin' resolvers       | resolving | variable
> 'SELFAUTODIR' set to '/home/gour/opt/lmtx' resolvers       | resolving
> | variable 'SELFAUTOPARENT' set to '/home/gour/opt' resolvers       |
> resolving | variable 'TEXMFCNF' set to '' resolvers       | resolving |
> variable 'TEXMF' set to '' resolvers       | resolving | variable
> 'TEXOS' set to 'lmtx' resolvers       | resolving |
> resolvers       | resolving | using configuration specification
> 'home:texmf/web2c;selfautoparent:/texmf-local/web2c;selfautoparent:/texmf-context/web2c;selfautoparent:/texmf-dist/web2c;selfautoparent:/texmf/web2c'
> resolvers       | resolving | resolvers       | resolving | looking for
> regular 'texmfcnf.lua' on given path '/home/gour/texmf/web2c' from
> specification 'home:texmf/web2c' resolvers       | resolving | looking
> for regular 'texmfcnf.lua' on given path
> '/home/gour/opt/texmf-local/web2c' from specification
> 'selfautoparent:/texmf-local/web2c' resolvers       | resolving |
> looking for regular 'texmfcnf.lua' on given path
> '/home/gour/opt/texmf-context/web2c' from specification
> 'selfautoparent:/texmf-context/web2c' resolvers       | resolving |
> looking for regular 'texmfcnf.lua' on given path
> '/home/gour/opt/texmf-dist/web2c' from specification
> 'selfautoparent:/texmf-dist/web2c' resolvers       | resolving |
> looking for regular 'texmfcnf.lua' on given path
> '/home/gour/opt/texmf/web2c' from specification
> 'selfautoparent:/texmf/web2c' resolvers       | resolving | looking for
> fallback 'contextcnf.lua' on given path '/home/gour/texmf/web2c' from
> specification 'home:texmf/web2c' resolvers       | resolving | looking
> for fallback 'contextcnf.lua' on given path
> '/home/gour/opt/texmf-local/web2c' from specification
> 'selfautoparent:/texmf-local/web2c' resolvers       | resolving |
> looking for fallback 'contextcnf.lua' on given path
> '/home/gour/opt/texmf-context/web2c' from specification
> 'selfautoparent:/texmf-context/web2c' resolvers       | resolving |
> looking for fallback 'contextcnf.lua' on given path
> '/home/gour/opt/texmf-dist/web2c' from specification
> 'selfautoparent:/texmf-dist/web2c' resolvers       | resolving |
> looking for fallback 'contextcnf.lua' on given path
> '/home/gour/opt/texmf/web2c' from specification
> 'selfautoparent:/texmf/web2c' resolvers       | resolving | resolvers
>     | resolving | warning: no lua configuration files found resolvers
>     | resolving | no texmf paths are defined (using TEXMF) resolvers
>    | resolving | mtxrun          | mtxrun          | elapsed lua time:
> 0.019 seconds

You have a problem here (aside from broken formatting). The 'mtxrun' didn't
find necessary files, take a look on last part of output.

I have installed LMTX (Luametatex) into /usr/local/opt/lmtx as root and
/usr/local/opt/lmtx/tex/texmf-cache is owned by root. If I delete the "root"
cache and "user" cache and run 'mtxrun --generate' as root at first I see at
bottom of 'mtxrun' output:

system          | lua | compiling '/usr/local/opt/lmtx/tex/texmf-cache/luatex-cache/context/5fe67e0bfe781ce0dde776fb1556f32e/trees/dcb651482955ac31eaab7723b70e0184.lua' into '/usr/local/opt/lmtx/tex/texmf-cache/luatex-cache/context/5fe67e0bfe781ce0dde776fb1556f32e/trees/dcb651482955ac31eaab7723b70e0184.lud'
system          | lua | dumping '/usr/local/opt/lmtx/tex/texmf-cache/luatex-cache/context/5fe67e0bfe781ce0dde776fb1556f32e/trees/dcb651482955ac31eaab7723b70e0184.lua' into '/usr/local/opt/lmtx/tex/texmf-cache/luatex-cache/context/5fe67e0bfe781ce0dde776fb1556f32e/trees/dcb651482955ac31eaab7723b70e0184.lud' stripped
resolvers       | caching | 'files' compiled to '/usr/local/opt/lmtx/tex/texmf-cache/luatex-cache/context/5fe67e0bfe781ce0dde776fb1556f32e/trees/dcb651482955ac31eaab7723b70e0184.lud'
mtxrun          |
mtxrun          | elapsed lua time: 0.050 seconds

and then 'mtxrun --generate' as an user:

system          | lua | compiling '/home/vladimir/.cache/lmtx/luatex-cache/context/5fe67e0bfe781ce0dde776fb1556f32e/trees/dcb651482955ac31eaab7723b70e0184.lua' into '/home/vladimir/.cache/lmtx/luatex-cache/context/5fe67e0bfe781ce0dde776fb1556f32e/trees/dcb651482955ac31eaab7723b70e0184.lud'
system          | lua | dumping '/home/vladimir/.cache/lmtx/luatex-cache/context/5fe67e0bfe781ce0dde776fb1556f32e/trees/dcb651482955ac31eaab7723b70e0184.lua' into '/home/vladimir/.cache/lmtx/luatex-cache/context/5fe67e0bfe781ce0dde776fb1556f32e/trees/dcb651482955ac31eaab7723b70e0184.lud' stripped
resolvers       | caching | 'files' compiled to '/home/vladimir/.cache/lmtx/luatex-cache/context/5fe67e0bfe781ce0dde776fb1556f32e/trees/dcb651482955ac31eaab7723b70e0184.lud'
mtxrun          |
mtxrun          | elapsed lua time: 0.052 seconds

(don't bother by cache path I configured it being like that).

So at first you have to be sure that 'mtxrun --generate' has done its work
right.

> and I notice that after that 

> /home/gour/opt/lmtx/tex/texmf-cache/luatex-cache/ is empty?

That's wrong. The following will of course fail.

> My $PATH is:

> $ env | grep PATH
> PATH=/home/gour/opt/lmtx/bin:/home/gour/opt/lmtx/tex/texmf-linux-64/bin:/home/gour/bin:/usr/local/bin:/usr/local/sbin:/usr/bin:/usr/sbin

>> 3. Run "context t.tex"

> I use the following t.tex

> \definefallbackfamily [mainface] [ss] [Noto Sans Devanagari]
>    [range={devanagari,devanagariextended},
>     features=devanagari-two]

> \definefontfamily [mainface] [ss] [Noto Sans]

> \setupbodyfont[mainface]

> \starttext

> ध्यायतो विषयान्पुंसः सङ्गस्तेषूपजायते ।
> सङ्गात्सञ्जायते कामः कामात्क्रोधोऽभिजायते ॥ ६२ ॥

> dhyāyato viṣayān puṁsaḥ
> saṅgas teṣūpajāyate
> saṅgāt sañjāyate kāmaḥ
> kāmāt krodho ’bhijāyate

> \stoptext

> as sugested by Wofgang, but it fails:

> $ context t.tex 
> mtxrun          | unknown script 'mtx-context.lua' or
> 'mtx-mtx-context.lua'

> Do I need to setup some other envvar as it is suggested in the link
> posted by Wolfgang?

> Sincerely,
> Gour

I would suggest you to reinstall lmtx, update PATH, correctly set OSFONTDIR
variable and in fresh shell session run 'mtxrun --generate' again.

---
WBR, Vladimir Lomov

-- 
The problem that we thought was a problem was, indeed, a problem, but
not the problem we thought was the problem.
		-- Mike Smith

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