[tex-live] Fwd: [MacTeX] TLU and tlmgr update

[Adam R. Maxwell]

Following a bug report for TeX Live Utility on the MacTeX list,
I wrote the following reply, and forgot to copy this list in
case others run into it (and it may affect other UNIX systems
as well).

> Looks more like a problem with update-tlmgr-latest.sh,
> which is what TLU runs to do the update.
> 
> http://mirror.ctan.org/systems/texlive/tlnet/update-tlmgr-latest.sh
> 
> If I download this manually and try to run it
> 
> $ sudo sh update-tlmgr-latest.sh
> Password:
> Verifying archive integrity... All good.
> Uncompressing TeX Live Manager Updater......................................................................................................................................................................................
> ./runme.sh: Cannot find TeX Live root using kpsewhich --var-value=SELFAUTOPARENT.
> ./runme.sh: Please set your PATH as needed, otherwise it's hopeless.
> 
> In the same terminal session:
> 
> $ kpsewhich --var-value=SELFAUTOPARENT
> /usr/local/texlive/2014basic