[GRASS-dev] [$HOME on csh] GEM Wizard question

[Hamish]

Glynn Clements wrote:
> 
> Hamish wrote:
> 
> > William Kyngesburye wrote:
> > > Is that from within GRASS, or other shell use?  Which platform? 
> > > If GRASS needs HOME as Hamish says, then it won't run without it
> > > (or not run right), so G_home() will always work.  Unless maybe
> > > the GRASS libraries are used outside of GRASS, like in Qgis or
> > > GDAL.
> > 
Hamish:
> > maybe it has something to do with resetting $HOME so .bash_history
> > is placed in the $MAPSET dir?
> > 
> > e.g. I see that csh in lib/init/init.sh does:
> > 
> > csh|tcsh)
> >     USERHOME="$HOME"      # save original home
> >     HOME="$LOCATION"
> >     export HOME
> >     cshrc="$HOME/.cshrc"
> >
> > the bash version  has "# restore user home path", but I don't see
> > that in the csh section. (perhaps I'm looking past it)
> > 
> > Anyone on Mac who created their user acc't prior to OSX 10.2 will
> > have csh as their default shell (even if you've upgraded the rest of
> > the system).
> > 
> > So maybe the broken $HOME happens when the shell is csh?

Glynn:
> If you look 2 lines further down, the code to restore the setting for
> csh is:
> 
>     echo "set home = $USERHOME" > "$cshrc"
> 
> I would have thought that it should be "set HOME = ..."; environment
> variables are case-sensitive on Unix.


$home was used before this change:
 http://freegis.org/cgi-bin/viewcvs.cgi/grass/src/general/init/init.sh.diff?r1=1.2&r2=1.3


Hamish