#5295: Make Maxima not read global config files
------------------------+---------------------------------------------------
Reporter: mabshoff | Owner: nbruin
Type: defect | Status: new
Priority: major | Milestone: sage-4.3.1
Component: build | Keywords:
Work_issues: | Author:
Upstream: N/A | Reviewer:
Merged: |
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Changes (by nbruin):
* owner: mabshoff => nbruin
* upstream: => N/A
Comment:
The key here seems to be the {{{-userdir=}}} option. To illustrate
(warning, this will seriously mess up maxima configuration you may have in
your homedir. Back up {{{~/.maxima}}} if you have one)
First to show the effect of the option:
{{{
> mkdir .maxima
> echo "x : 1;" > .maxima/maxima-init.mac
> mkdir othermax
> echo "x : 2;" > othermax/maxima-init.mac
> maxima --batch-string "x;"
;;; Loading #P"/usr/local/sage/4.3/local/lib/ecl/defsystem.fas"
;;; Loading #P"/usr/local/sage/4.3/local/lib/ecl/cmp.fas"
;;; Loading #P"/usr/local/sage/4.3/local/lib/ecl/sysfun.lsp"
Maxima 5.19.1 http://maxima.sourceforge.net
Using Lisp ECL 9.10.2
Distributed under the GNU Public License. See the file COPYING.
Dedicated to the memory of William Schelter.
The function bug_report() provides bug reporting information.
(%i1) x
(%o1) 1
> maxima --userdir="$HOME/othermax" --batch-string "x;"
;;; Loading #P"/usr/local/sage/4.3/local/lib/ecl/defsystem.fas"
;;; Loading #P"/usr/local/sage/4.3/local/lib/ecl/cmp.fas"
;;; Loading #P"/usr/local/sage/4.3/local/lib/ecl/sysfun.lsp"
Maxima 5.19.1 http://maxima.sourceforge.net
Using Lisp ECL 9.10.2
Distributed under the GNU Public License. See the file COPYING.
Dedicated to the memory of William Schelter.
The function bug_report() provides bug reporting information.
(%i1) x
(%o1) 2
}}}
So, with the above {{{~/.maxima/maxima-init.mac}}} in place, currently the
result is:
{{{
> sage -c 'print maxima("x")'
1
}}}
After applying attached patch "bug5295.patch" the result should be
{{{
> sage -c 'print maxima("x")'
x
}}}
Since serious testing of this option involves making files in very
sensitive locations, I think including a doctest for this behaviour is
inadvisable.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/5295#comment:1>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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