Hi, I noticed today that when running "context --jit" that return codes were not being passed back properly to the shell.

For example, with a simple file like this (text.tex):

  \starttext
  test\par
  \mybadmacro\par
  \stoptext

context --jit --nonstopmode test.tex ; echo ", RC=$?"

The log output will print:

  mtx-context     | fatal error: return code: 1, RC=0

But the shell return code is zero.  The below patch fixes it (I'm no Lua expert so perhaps there is a better approach):

  --- a/tex/texmf-context/scripts/context/lua/mtx-context.lua
  +++ b/tex/texmf-context/scripts/context/lua/mtx-context.lua
  @@ -108,7 +108,7 @@ local function restart(engine_old,engine_new)
       local command = format("%s --luaonly %q %s
       --redirected",engine_new,environment.ownname,environment.reconstructcommandline())
       report(format("redirect %s -> %s:
       %s",engine_old,engine_new,command))
       local result = os.execute(command)
  -    os.exit(result)
  +    os.exit(result/256)
   end


Best regards,
Brian
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