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tlbuild: install-tl ENVIRONMENT VARIABLES

 
 A.7 ENVIRONMENT VARIABLES
 =========================
 
 For ease in scripting and debugging, 'install-tl' looks for the
 following environment variables.  They are not of interest for normal
 user installations.
 
 'TEXLIVE_DOWNLOADER'
 
 'TL_DOWNLOAD_PROGRAM'
 
 'TL_DOWNLOAD_ARGS'
 
      These override the normal choice of a download program; see the
      'tlmgr' documentation, e.g.,
      <https://tug.org/texlive/doc/tlmgr.html#ENVIRONMENT-VARIABLES>.
 
 'TEXLIVE_INSTALL_ENV_NOCHECK'
 
      Omit the check for environment variables containing the string
      'tex'.  People developing TeX-related software are likely to have
      many such variables.
 
 'TEXLIVE_INSTALL_NO_CONTEXT_CACHE'
 
      Omit creating the ConTeXt cache.  This is useful for
      redistributors.
 
 'TEXLIVE_INSTALL_NO_RESUME'
 
      Omit check for installing on top of a previous installation and
      then asking about importing previous settings.
 
 'TEXLIVE_INSTALL_NO_WELCOME'
 
      Omit printing the welcome message after successful installation,
      e.g., when testing.
 
 'TEXLIVE_INSTALL_PAPER'
 
      Set the default paper size for all relevant programs; must be
      either 'letter' or 'a4'.  The default is 'a4'.
 
 'TEXLIVE_INSTALL_PREFIX'
 
 'TEXLIVE_INSTALL_TEXDIR'
 
 'TEXLIVE_INSTALL_TEXMFCONFIG'
 
 'TEXLIVE_INSTALL_TEXMFVAR'
 
 'TEXLIVE_INSTALL_TEXMFHOME'
 
 'TEXLIVE_INSTALL_TEXMFLOCAL'
 
 'TEXLIVE_INSTALL_TEXMFSYSCONFIG'
 
 'TEXLIVE_INSTALL_TEXMFSYSVAR'
 
      Specify the respective directories.  'TEXLIVE_INSTALL_PREFIX'
      defaults to '/usr/local/texlive', while 'TEXLIVE_INSTALL_TEXDIR'
      defaults to the release directory within that prefix, e.g.,
      '/usr/local/texlive/2016'.  All the defaults can be seen by running
      the installer interactively and then typing 'D' for the directory
      menu.
 
 'NOPERLDOC'
 
      Don't try to run the '--help' message through 'perldoc'.
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