[tlbuild] Support for musl

[Norbert Preining]

> That is all fine, but is there a way to get a download link for the
> latest release file?

Sorry for the noise:
  curl -s https://api.github.com/repos/hmenke/texlive-source/releases/latest | grep browser_download_url | grep texlive-bin-x86_64-musl.tar.gz | cut -d : -f 2,3 | tr -d \"

Norbert

--
PREINING Norbert                               http://www.preining.info
Accelia Inc.     +    JAIST     +    TeX Live     +    Debian Developer
GPG: 0x860CDC13   fp: F7D8 A928 26E3 16A1 9FA0 ACF0 6CAC A448 860C DC13