Didn’t we have that conversation a couple of months ago?
The message here comes from this section of code in sage-env
# New value for SAGE_ROOT: either SAGE_ROOT (if given)
# or a guessed value based on pwd.
if [ -n "$SAGE_ROOT" ]; then
NEW_SAGE_ROOT="$SAGE_ROOT"
elif [ -f sage -a -d build ]; then
NEW_SAGE_ROOT="."
elif [ -f ../../sage -a -d ../../build ]; then
NEW_SAGE_ROOT="../.."
else
# No idea what SAGE_ROOT should be...
echo >&2 "Error: You must set the SAGE_ROOT environment variable or run
this"
echo >&2 "script from the SAGE_ROOT or SAGE_ROOT/local/bin/ directory."
return 1
fi
There is some more code in there to make you trip. Touching sage-env could
solve your problem.
Another interesting file you could try to seed with the value of SAGE_ROOT is
/etc/environment
François
> On 5/11/2018, at 20:11, Jori Mäntysalo <jori.mantys...@uta.fi> wrote:
>
> I am trying to marry SageMath and Jupyterhub. I think I got them engaged, but
> the wedding night has a problem:
>
> Error: You must set the SAGE_ROOT environment variable or run this
> script from the SAGE_ROOT or SAGE_ROOT/local/bin/ directory.
> Error setting environment variables by sourcing
> '/home/jupkernelit/sage-8.4/local/bin/sage-env';
> possibly contact sage-devel (see http://groups.google.com/group/sage-devel)
>
> First I think that I just set SAGE_ROOT in the command line before
> jupytehub-command, set it with export-command, or put it to /etc/profile.
> They all failed, so jupyterhub seems to ignore environment.
>
> What next?
>
> --
> Jori Mäntysalo
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