Context again broken on Mac

[Bruno Voisin]

> On 13 Mar 2024, at 10:09, Bruno Voisin <bvoisin at icloud.com> wrote:
> 
> Shorter version: TLUtils.pm on line 2292 tests whether luametatex can be run before updating the ConTeXt cache (update_context_cache). The test assumes the binary name is lmtx
> 
>  if (TeXLive::TLUtils::system_ok("$lmtx --version")) {
> 
> Shouldn't that be "luametatex --version"?

You can forget that part, I has somehow missed the preceding line in TLUtils.pm,

  my $lmtx = "$bindir/luametatex$progext";

Sorry!

The rest below remains valid I think.

> Short version: TEXLIVE_INSTALL_NO_CONTEXT_CACHE seems set to 1 by default.
> 
> 
> Longer version: Looking at install-tl-20240312, lines 13412 ff
> 
>  # lmtx/context cache setup, relegated to a common subroutine
>  # that tlmgr can also call.
>  if (exists($install{"context"}) && $install{"context"} == 1
>      && !exists $ENV{"TEXLIVE_INSTALL_NO_CONTEXT_CACHE"}) {
>    $errcount +=
>      TeXLive::TLUtils::update_context_cache($plat_bindir, $progext,
>                                             \&run_postinst_cmd);
>  } else {
>    debug("skipped ConTeXt cache setup, not installed or told not to\n");
>  }
> 
> and at install-tl.log, as installed by MacTeX, which contains toward the end
> 
> ----------------------------------------------------------------------
> The following environment variables contain the string "tex"
> (case-independent).  If you're doing anything but adding personal
> directories to the system paths, they may well cause trouble somewhere
> while running TeX.  If you encounter problems, try unsetting them.
> 
> Please ignore spurious matches unrelated to TeX. (To omit this check,
> set the environment variable TEXLIVE_INSTALL_ENV_NOCHECK.)
> 
>    SUDO_COMMAND=/usr/bin/env TEXLIVE_INSTALL_NO_CONTEXT_CACHE=1 ./install-tl
>    TEXLIVE_INSTALL_NO_CONTEXT_CACHE=1
>    TEXLIVE_INSTALL_NO_DISKCHECK=1
> ----------------------------------------------------------------------
> 
> I have the impression the ConTeXt cache initialization is off by default (TEXLIVE_INSTALL_NO_CONTEXT_CACHE=1).
> 
> The man page
> 
> https://tug.org/texlive/doc/install-tl.html#ENVIRONMENT-VARIABLES
> 
> mentions this variable, but I could not find inside install-tl-unx.tar.gz anything setting its value. And I'm pretty sure Dick Koch doesn't either when preparing MacTeX.
> 
> 
> Bruno Voisin
>