TeXLive installer fails to run certain postinstall scripts

[Karl Berry]

P.S.

    running mktexlsr /opt/texlive/texdir/texmf-dist ...
    not a tty
    tty: ignoring all arguments

Nothing to do with the config.guess problem, but, how aggravating that
alpine can't be bothered to implement tty -s, like every other system in
existence (afaik). Sigh. I tried to silence it with >/dev/null 2>&1.
We'll see. (At least it doesn't abort given the unrecognized argument.) -k