#11755: Allow running Sage.app by someone other than it was installed by
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Reporter: iandrus | Owner: iandrus
Type: defect | Status: new
Priority: major | Milestone: sage-4.7.2
Component: relocation | Keywords: mac app SAGE_ROOT
Work_issues: | Upstream: N/A
Reviewer: | Author:
Merged: | Dependencies:
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Changes (by jdemeyer):
* keywords: mac app => mac app SAGE_ROOT
* component: user interface => relocation
Old description:
> Since Sage.app checks if it moved every time upon startup, any user who
> runs the application needs to be able to write to `local/lib/sage-
> current-location.txt`. This files seems to default to 0644 permissions.
>
> We can either change the Sage.app code so that it doesn't need to check
> every time or make the file world writable.
New description:
Since Sage.app checks if it moved every time upon startup, any user who
runs the application needs to be able to write to `local/lib/sage-current-
location.txt`. This files seems to default to 0644 permissions.
We can either change the Sage.app code so that it doesn't need to check
every time or make the file world writable.
Relevant comments from #5852:[[BR]]
jdemeyer said:
> I also noticed that `data/extcode/sage/ext/mac-app/start-sage.sh` has
its own `SAGE_ROOT`-detecting code but it probably shouldn't and should
use `sage-env` instead.
leif said:
> It seems the MacOS X app wants just the opposite, i.e. to '''not'''
resolve symbolic links, since the absolute, canonicalized path may
frequently change.
> Therefore it always creates (on start-up) the same, "constant" symbolic
link from `/tmp/sage-mac-app` to the current, volatile `$SAGE_ROOT`, which
can only work if the application is also actually ''always'' built in (a
real directory) `/tmp/sage-mac-app/` (such that no change of hardcoded
paths is necessary).
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11755#comment:4>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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