[NTG-context] snapshot

[NTG-context] snapshot

[Hans Hagen via ntg-context]

Hi,

One of these days we have the texlive code freeze and normally we make a 
stable snapshot for that so that we have a reference. Keep in mind that 
texlive as any distribution makes choices and as a result some files 
lack and we don't want surprised. There might even be changes in the way 
things are configured. We treat it as an abstraction.

Over the years I have been asked if the installer can install older 
versions and the answer is actually "yes" as it's kind of trivial 
assuming that we save them. The top line of the install script has the line

     LMTXINSTANCE=install-lmtx

and you can change that. As experiment we have:

     LMTXINSTANCE=archive-lmtx/2026-02-12

and we can think of a reasonable set, starting with for instance:

     LMTXINSTANCE=archive-lmtx/texlive-2026

for those who wants the same as texlive but complete and at the same 
time  a bit leaner. I only need to figure out how to deal with the files 
as currently we use a not so large vm and I don't want to cripple things 
(storing, backups, etc). Maybe we don't need long term support not many 
snapshots; something we'll discuss wiuth those who need it. We'll also 
look into multiple hosts.

In this perspective we need to consider what platforms to preserve, like

   win64
   linux-64
   osx-arm64
   aarch64

as I suppose by now no one is on 32 bit or apple intel. I'm not sure 
about the bsd's but i guess users of these platforms know how to compile 
or can preserve copies.

In the process of getting away from big tech (hard- and software) at 
some point we might make codeberg the primary repository instead of 
github. We also want to pay more attention to generic arm machines.

Currently we're experimenting with the RPI 500+ which has good price 
performance ratio and context is on the average fast enough for it. Of 
course we need to keep an eye on optimal compilation, processors and 
performance (so far no problems and quite okay).

Also this year we will try to make a better split in manuals as mkii is 
now even deeper frozen and mkiv becomes deep frozen. Some manuals might 
become more mkxl-ish and we can archive older versions. We still 
occasionally compile a document with pdftex just to check for issues, we 
also use mkiv as reference test for luatex (in that perspective we also 
need some generic code for testing with plain). Apart from that we just 
assume that context users use lmtx (luametatex + mkxl).

So far,

Hans

-----------------------------------------------------------------
                                           Hans Hagen | PRAGMA ADE
               Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
        tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
-----------------------------------------------------------------

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[NTG-context] Re: snapshot

[Max Chernoff via ntg-context]

[-- Attachment #1: Type: text/plain, Size: 2637 bytes --]

Hi Hans,

On Wed, 2026-02-18 at 22:26 +0100, Hans Hagen via ntg-context wrote:
> One of these days we have the texlive code freeze and normally we make a
> stable snapshot for that so that we have a reference. Keep in mind that
> texlive as any distribution makes choices and as a result some files
> lack and we don't want surprised. There might even be changes in the way
> things are configured. We treat it as an abstraction.

On that note, about 2 weeks ago, I added some TeX Live-specific fields
to the texmfcnf.lua file used there (full file attached). The fields are

    -- These next four entries aren't used by anything (yet), but they're placed
    -- here in case the core ConTeXt code wants to use it to blame me for any
    -- issues :)

    -- Information about who provided this installation of ConTeXt. If you modify
    -- this file (or any of the other ConTeXt files) and redistribute these changes,
    -- you should also change these values to something appropriate for your
    -- distribution.
    distribution_name = "TeX Live",
    report_bugs_to = "https://github.com/gucci-on-fleek/context-packaging",

    -- Sometimes TeX Live needs to release more than one update for a single
    -- upstream ConTeXt release, so TeX Live adds a single uppercase letter suffix
    -- to the version number for each update. A suffix of "A" indicates the first
    -- release (this is the most common case), "B" indicates the second release, and
    -- so on. If you are a downstream distributor, you can use this field for your
    -- own purposes; any string is valid, but it should be unique for each release
    -- for any given upstream version of ConTeXt.
    distribution_revision = "A",

    -- In case distributors have modified the above three variables, we'll add a
    -- static variable here so that it's clear whether this file was based
    -- directly off of the original "texmfcnf.lua" file from the upstream
    -- ConTeXt Standalone Distribution, or from the TeX Live distribution's
    -- modified version.
    derived_from = "TeX Live (2026-02-12 13:41 A)",

The build process ensures that this information is always up-to-date, so
it might be a good idea to put some/all of this information in the log
file on every compile or in the output from "context --version".

I just arbitrarily decided on these names, so let me know if you want me
to rename any of these variables, place them in a different file, add
different information, etc. And as always, feel free to let me know if
there's anything specific you want me to change in TL.

Thanks,
-- Max

[-- Attachment #2: texmfcnf.lua --]
[-- Type: text/x-lua, Size: 10114 bytes --]

-- ConTeXt Packaging Scripts
-- https://github.com/gucci-on-fleek/context-packaging
-- SPDX-License-Identifier: GPL-2.0-or-later
-- SPDX-FileCopyrightText: 2024 Hans Hagen
-- SPDX-FileCopyrightText: 2026 Max Chernoff

-- Note that this file will be overwritten on upgrades, so users should place
-- any modifications in another location!

-- It is recommended that downstream distributors only modify the variables in
-- the following section (although you can modify any other section if you know
-- what you are doing).

--- BEGIN RECOMMENDED MODIFICATIONS SECTION ---

-- Information about who provided this installation of ConTeXt. If you modify
-- this file (or any of the other ConTeXt files) and redistribute these changes,
-- you should also change these values to something appropriate for your
-- distribution.
local distribution_name = "TeX Live"
local report_bugs_to = "https://github.com/gucci-on-fleek/context-packaging"

-- Sometimes TeX Live needs to release more than one update for a single
-- upstream ConTeXt release, so TeX Live adds a single uppercase letter suffix
-- to the version number for each update. A suffix of "A" indicates the first
-- release (this is the most common case), "B" indicates the second release, and
-- so on. If you are a downstream distributor, you can use this field for your
-- own purposes; any string is valid, but it should be unique for each release
-- for any given upstream version of ConTeXt.
local distribution_revision = "A"

-- The location of the distribution's TEXMF tree. The contents stored in this
-- path should not be modified by users.
local distribution_path = "selfautoparent:texmf-dist"

-- Where ConTeXt should store any caches.
local system_cache = "selfautoparent:"
local user_cache   = "home:.texlive2025"

-- Where ConTeXt should search for custom files.
local system_data = "selfautoparent:../texmf-local"
local user_data   = "home:texmf"

-- The location of non-TeX files optionally used by ConTeXt.
local nontex_fonts, nontex_colors
if os.type == "windows" then
    nontex_fonts = "\z
        home:AppData/Local/Microsoft/Windows/Fonts;\z
        C:/Windows/Fonts;\z
    "
    nontex_colors = "" -- No idea where this is on Windows; patches welcome
elseif os.name == "macosx" then
    nontex_fonts = "\z
        home:Library/Fonts;\z
        /Library/Fonts;\z
        /System/Library/Fonts;\z
    "
    nontex_colors = "" -- No idea where this is on macOS; patches welcome
else -- Linux, BSD, etc.
    nontex_fonts = "\z
        home:.local/share/fonts;\z
        /usr/local/share/fonts//;\z
        /usr/share/fonts//;\z
    "
    nontex_colors = "\z
        home:.local/share/icc//;\z
        /usr/local/share/color/icc//;\z
        /usr/share/color/icc//;\z
    "
end

-- Programs that should be allowed to run in restricted mode. Note that this is
-- provided as a convenience feature only, and is **NOT** a security feature.
-- Users must not compile untrusted ConTeXt documents without using external
-- sandboxing mechanisms (Docker, Bubblewrap, systemd-run, etc.). ConTeXt runs
-- in unrestricted mode by default, meaning that this list is ignored entirely
-- and documents can freely execute arbitrary programs.
local allowed_programs = table.concat({
    "bibtex",
    "bibtex8",
    "extractbb",
    "gregorio",
    "kpsewhich",
    "l3sys-query",
    "latexminted",
    "makeindex",
    "memoize-extract.pl",
    "memoize-extract.py",
    "r-mpost",
    "repstopdf",
    "texosquery-jre8",
}, ",")
--- END RECOMMENDED MODIFICATIONS SECTION ---

return {
    -- Metadata about this configuration file. (Copied from the original
    -- "texlivecnf.lua" file in the upstream ConTeXt Standalone Distribution.)
    type    = "configuration",
    version = "1.1.3",
    date    = "2024-02-10",
    time    = "14:59:00",
    comment = "ConTeXt MkIV and LMTX configuration file",
    author  = "Hans Hagen & Max Chernoff",
    target  = "texlive",

    -- These next four entries aren't used by anything (yet), but they're placed
    -- here in case the core ConTeXt code wants to use it to blame me for any
    -- issues :)
    distribution_name = distribution_name,
    report_bugs_to = report_bugs_to,
    distribution_revision = distribution_revision,

    -- In case distributors have modified the above three variables, we'll add a
    -- static variable here so that it's clear whether this file was based
    -- directly off of the original "texmfcnf.lua" file from the upstream
    -- ConTeXt Standalone Distribution, or from the TeX Live distribution's
    -- modified version.
    derived_from = "TeX Live (2026-02-12 13:41 A)",

    -- Here are the "real" variables that affect ConTeXt's runtime behaviour.
    content = {
        -- File/directory locations
        variables = {
            -- System trees
            TEXMFDIST      = distribution_path,
            TEXMFLOCAL     = system_data,
            TEXMFSYSCONFIG = system_cache .. "/texmf-config",
            TEXMFSYSVAR    = system_cache .. "/texmf-var",

            -- User trees
            TEXMFCONFIG = user_cache .. "/texmf-config",
            TEXMFVAR    = user_cache .. "/texmf-var",
            TEXMFHOME   = user_data,

            -- Search paths
            TEXMFCACHE = "$TEXMFSYSVAR;$TEXMFVAR",
            TEXMF      = "{\z
                              $TEXMFCONFIG,\z
                              $TEXMFHOME,\z
                              !!$TEXMFSYSCONFIG,\z
                              !!$TEXMFSYSVAR,\z
                              !!$TEXMFLOCAL,\z
                              !!$TEXMFDIST\z
                          }",

            -- Input locations: TeX
            TEXINPUTS = ".;$TEXMF/tex/{context,generic,luatex}//",

            -- Input locations: Fonts
            TTFONTS         = ".;" .. nontex_fonts ..
                              "$TEXMF/fonts/truetype//;$OSFONTDIR",
            OPENTYPEFONTS   = ".;" .. nontex_fonts ..
                              "$TEXMF/fonts/opentype//;$OSFONTDIR",
            FONTCONFIG_PATH = "$TEXMFSYSVAR/fonts/conf",
            OSFONTDIR       = nontex_fonts,

            -- Input locations: Lua
            TEXMFSCRIPTS = ".;$TEXMF/scripts/context//;$TEXINPUTS",
            LUAINPUTS    = ".;$TEXINPUTS;$TEXMF/scripts/context/lua//",
            CLUAINPUTS   = "$SELFAUTOLOC/lib/$engine//", -- No "."; insecure

            -- Input locations: Other
            MPINPUTS    = ".;$TEXMF/metapost//",
            BIBINPUTS   = ".;$TEXMF/bibtex/bib//;$TEXMF/tex/context/bib//",
            ICCPROFILES = ".;" .. nontex_colors ..
                          "$TEXMF/tex/context/colors//;$OSCOLORDIR",
        },

        -- Engine parameters. These were copied from the original ConTeXt file;
        -- don't change these unless you know what you are doing!
        directives = {
            -- LuaMetaTeX engine parameters
            ["luametatex.errorlinesize"]     = { size =      250                 }, -- max =       255
            ["luametatex.halferrorlinesize"] = { size =      250                 }, -- max =       255
            ["luametatex.expandsize"]        = { size =    10000                 }, -- max =   1000000
            ["luametatex.stringsize"]        = { size =   500000, step =  100000 }, -- max =   2097151 -- number of strings
            ["luametatex.poolsize"]          = { size = 10000000, step = 1000000 }, -- max = 100000000 -- chars in string
            ["luametatex.hashsize"]          = { size =   250000, step =  100000 }, -- max =   2097151
            ["luametatex.nodesize"]          = { size = 50000000, step =  500000 }, -- max =  50000000
            ["luametatex.tokensize"]         = { size = 10000000, step =  250000 }, -- max =  10000000
            ["luametatex.buffersize"]        = { size = 10000000, step = 1000000 }, -- max = 100000000
            ["luametatex.inputsize"]         = { size =   100000, step =   10000 }, -- max =    100000 -- aka stack
            ["luametatex.filesize"]          = { size =     2000, step =     200 }, -- max =      2000
            ["luametatex.nestsize"]          = { size =    10000, step =    1000 }, -- max =     10000
            ["luametatex.parametersize"]     = { size =   100000, step =   10000 }, -- max =    100000
            ["luametatex.savesize"]          = { size =   500000, step =   10000 }, -- max =    500000
            ["luametatex.fontsize"]          = { size =   100000, step =     250 }, -- max =    100000
            ["luametatex.languagesize"]      = { size =      250, step =     250 }, -- max =     10000
            ["luametatex.marksize"]          = { size =      250, step =      50 }, -- max =     10000
            ["luametatex.insertsize"]        = { size =      250, step =      25 }, -- max =       250

            -- LuaTeX engine parameters
            ["luatex.errorline"]     =    250,
            ["luatex.halferrorline"] =    125,
            ["luatex.expanddepth"]   =  10000,
            ["luatex.hashextra"]     = 100000,
            ["luatex.nestsize"]      =   1000,
            ["luatex.maxinopen"]     =    500,
            ["luatex.maxprintline"]  =  10000,
            ["luatex.maxstrings"]    = 500000,
            ["luatex.paramsize"]     =  25000,
            ["luatex.savesize"]      = 100000,
            ["luatex.stacksize"]     = 100000,

            -- mtxrun parameters
            ["system.errorcontext"]    = "10",
            ["system.compile.cleanup"] = "no",  -- remove tma files
            ["system.compile.strip"]   = "yes", -- strip tmc files

            -- I/O restrictions
            ["system.outputmode"] = "restricted",
            ["system.inputmode"]  = "any",

            -- Execution restrictions
            ["system.commandmode"]   = "list", -- none | list | all
            ["system.executionmode"] = "list", -- none | list | all
            ["system.commandlist"]   = allowed_programs,
            ["system.executionlist"] = allowed_programs,
            ["system.librarymode"]   = "none", -- none | list | all

            -- Metapost
            ["mplib.texerrors"] = "yes",
        },
    },

}

[-- Attachment #3: Type: text/plain, Size: 511 bytes --]

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[NTG-context] Re: snapshot

[Hans Hagen via ntg-context]

On 2/19/2026 12:17 AM, Max Chernoff wrote:
> Hi Hans,
> 
> On Wed, 2026-02-18 at 22:26 +0100, Hans Hagen via ntg-context wrote:
>> One of these days we have the texlive code freeze and normally we make a
>> stable snapshot for that so that we have a reference. Keep in mind that
>> texlive as any distribution makes choices and as a result some files
>> lack and we don't want surprised. There might even be changes in the way
>> things are configured. We treat it as an abstraction.
> 
> On that note, about 2 weeks ago, I added some TeX Live-specific fields
> to the texmfcnf.lua file used there (full file attached). The fields are
> 
>      -- These next four entries aren't used by anything (yet), but they're placed
>      -- here in case the core ConTeXt code wants to use it to blame me for any
>      -- issues :)
> 
>      -- Information about who provided this installation of ConTeXt. If you modify
>      -- this file (or any of the other ConTeXt files) and redistribute these changes,
>      -- you should also change these values to something appropriate for your
>      -- distribution.
>      distribution_name = "TeX Live",
>      report_bugs_to = "https://github.com/gucci-on-fleek/context-packaging",
> 
>      -- Sometimes TeX Live needs to release more than one update for a single
>      -- upstream ConTeXt release, so TeX Live adds a single uppercase letter suffix
>      -- to the version number for each update. A suffix of "A" indicates the first
>      -- release (this is the most common case), "B" indicates the second release, and
>      -- so on. If you are a downstream distributor, you can use this field for your
>      -- own purposes; any string is valid, but it should be unique for each release
>      -- for any given upstream version of ConTeXt.
>      distribution_revision = "A",
> 
>      -- In case distributors have modified the above three variables, we'll add a
>      -- static variable here so that it's clear whether this file was based
>      -- directly off of the original "texmfcnf.lua" file from the upstream
>      -- ConTeXt Standalone Distribution, or from the TeX Live distribution's
>      -- modified version.
>      derived_from = "TeX Live (2026-02-12 13:41 A)",
> 
> The build process ensures that this information is always up-to-date, so
> it might be a good idea to put some/all of this information in the log
> file on every compile or in the output from "context --version".
> 
> I just arbitrarily decided on these names, so let me know if you want me
> to rename any of these variables, place them in a different file, add
> different information, etc. And as always, feel free to let me know if
> there's anything specific you want me to change in TL.

Instead of adding top level keys, how about:

distribution = {
     name    = "TeX Live",
     version = "2026-A"
     url     = "https://github.com/gucci-on-fleek/context-packaging",
     comment = "adapted for oneofthemanylinuxes",
     private = {
     	welcome = "My name is Max, how can I help you today?",
	prompt  = "How do I install TL on my phone?",
     }
}

We could of course report the first four (strign entries) in the log 
when set.

Hans

-----------------------------------------------------------------
                                           Hans Hagen | PRAGMA ADE
               Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
        tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
-----------------------------------------------------------------
___________________________________________________________________________________
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___________________________________________________________________________________

[NTG-context] Re: snapshot

[Max Chernoff via ntg-context]

Hi Hans,

On Thu, 2026-02-19 at 10:08 +0100, Hans Hagen wrote:
> Instead of adding top level keys, how about:
>
> distribution = {
>      name    = "TeX Live",
>      version = "2026-A"
>      url     = "https://github.com/gucci-on-fleek/context-packaging",
>      comment = "adapted for oneofthemanylinuxes",
>      private = {
>      	welcome = "My name is Max, how can I help you today?",
> 	prompt  = "How do I install TL on my phone?",
>      }
> }

Sure, sounds good to me. I've implemented this here

    https://github.com/gucci-on-fleek/context-packaging/blob/031c3f/files/texmfcnf.lua

(with slightly different names for the version fields), so the updated
file will show up whenever the next update is released.

> We could of course report the first four (strign entries) in the log
> when set.

Awesome, thanks!

-- Max
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[NTG-context] Re: snapshot

[Hans Hagen via ntg-context]

On 2/19/2026 11:22 AM, Max Chernoff wrote:
> Hi Hans,
> 
> On Thu, 2026-02-19 at 10:08 +0100, Hans Hagen wrote:
>> Instead of adding top level keys, how about:
>>
>> distribution = {
>>       name    = "TeX Live",
>>       version = "2026-A"
>>       url     = "https://github.com/gucci-on-fleek/context-packaging",
>>       comment = "adapted for oneofthemanylinuxes",
>>       private = {
>>       	welcome = "My name is Max, how can I help you today?",
>> 	prompt  = "How do I install TL on my phone?",
>>       }
>> }
> 
> Sure, sounds good to me. I've implemented this here
> 
>      https://github.com/gucci-on-fleek/context-packaging/blob/031c3f/files/texmfcnf.lua
> 
> (with slightly different names for the version fields), so the updated
> file will show up whenever the next update is released.
> 
>> We could of course report the first four (strign entries) in the log
>> when set.

I went for 'details' as in:

     details = {
         name    = "lmtx reference distribution",
         version = "see banner of a context run",
         url     = "https://contextgarden.net",
         comment = false, -- "change this blob when you derive",
         private = { }
     },

And added:

 >mtxrun --show-details
resolvers       | resolving | detail name : lmtx reference distribution
resolvers       | resolving | detail url : https://contextgarden.net
resolvers       | resolving | detail version : see banner of a context run

so you can overload details and have additional private info which 
basically is unseen but you can do

     local d = resolvers.getdetails()
     print(d.name)
     print(d.private)

to get the (merged) details during a tex run.

Hans

-----------------------------------------------------------------
                                           Hans Hagen | PRAGMA ADE
               Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
        tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
-----------------------------------------------------------------
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___________________________________________________________________________________

[NTG-context] Re: snapshot

[Hans Hagen via ntg-context]

Hi Max,

I just pushed an update. So that will be the (pending last minute fixes)

   TEXLIVE-2026

snapshot then. You will probably add an -A someplace and other letters 
when applicable during the year.

Hans

-----------------------------------------------------------------
                                           Hans Hagen | PRAGMA ADE
               Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
        tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
-----------------------------------------------------------------
___________________________________________________________________________________
If your question is of interest to others as well, please add an entry to the Wiki!

maillist : ntg-context@ntg.nl / https://mailman.ntg.nl/mailman3/lists/ntg-context.ntg.nl
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___________________________________________________________________________________

[NTG-context] Re: snapshot

[Max Chernoff via ntg-context]

Hi Hans,

On Thu, 2026-02-19 at 11:43 +0100, Hans Hagen wrote:
> I went for 'details' as in:
>
>      details = {
>          name    = "lmtx reference distribution",
>          version = "see banner of a context run",
>          url     = "https://contextgarden.net",
>          comment = false, -- "change this blob when you derive",
>          private = { }
>      },
>
> And added:
>
>  >mtxrun --show-details
> resolvers       | resolving | detail name : lmtx reference distribution
> resolvers       | resolving | detail url : https://contextgarden.net
> resolvers       | resolving | detail version : see banner of a context run
>
> so you can overload details and have additional private info which
> basically is unseen but you can do
>
>      local d = resolvers.getdetails()
>      print(d.name)
>      print(d.private)
>
> to get the (merged) details during a tex run.

Perfect, thanks! I've added those fields to the texmfcnf.lua file, and
the latest release is now waiting at CTAN.

Thanks,
-- Max
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