[tex-live] TL 2010 installation does not correctly set path in presence of TL 2009

[T T]

On 6 July 2010 22:23, Reinhard Kotucha <reinhard.kotucha at web.de> wrote:
> On 6 July 2010 Philip Taylor (Webmaster, Ret'd) wrote:
>
>  > >
>  > >>> Perhaps the installer should try to detect such cases and issue
>  > >>> a warning, but it is the little surprises that keep life
>  > >>> interesting.
>  > >>>
>  > >> It seems to me the installer is already doing that. From Phil's
>  > >> original message:
>  > >>
>  > >> Warning: conflicting [pdf]tex program found on the system path in [...]
>  >
>  > But this message is concealed in a 11930-line file; should not
>  > warnings and errors be additionally displayed as the final
>  > step in the console window (and perhaps a flashing red icon
>  > appear in the GUI warning the user of this, and allowing
>  > a GUI way of seeing warnings and errors) ?
>
> I assume that you are talking about the log file.  I don't have a log
> file containing any error or warning messages.  Do you think it's
> sufficient to display all lines beginning with "Error:" or "Warning:"
> at the end?
>
> Parsing the log file has some drawbacks.  If a message contains line
> breaks, for instance, we only get the first line.  But the advantage
> of this approach is that we don't have to modify the installer itself.
> Parsing the log file can even be done by a separate program.
>
> And even if a multi-line message is truncated, I think that it's
> helpful to provide the line number of its occurrence in the log file.
>
> I can imagine better solutions but I don't think it's a good idea to
> add new features to the installer itself a few days before it's carved
> in stone.

There are hooks in TLUtils::tlwarn sub that could be used to, say,
gather all warning messages in a global array and then, if this array
is not empty at the end of installation, spit them out in a message
box or something.  Would anyone be willing to look into that? (asking
in hope to outsource the idea :)

Cheers,

Tomek