#5852: Properly canonicalize $SAGE_ROOT
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Reporter: tornaria | Owner: jdemeyer
Type: defect | Status: needs_review
Priority: major | Milestone: sage-4.7.3
Component: scripts | Resolution:
Keywords: | Work_issues:
Upstream: N/A | Reviewer:
Author: Jeroen Demeyer | Merged:
Dependencies: |
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Comment(by leif):
Replying to [comment:32 jdemeyer]:
> Replying to [comment:31 leif]:
> > What sense does it make to first call `resolvelinks()` and then
finally do
{{{
#!sh
SAGE_ROOT=`cd "$SAGE_ROOT" && pwd -P`
}}}
> > ?
> Because `resolvelinks` resolves symbolic links in the `sage` executable
name, which is not a directory (so the `cd && pwd` trick does not work).
Of course it does. You just have to
* strip the program name, and
* if no path remains after that, it's the current working directory, i.e.
path=".".
* `cd` to that path and do `pwd -P`. Doesn't matter whether the path was
relative or absolute.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/5852#comment:33>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
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