#5852: [with patch, needs review] the detection of SAGE_ROOT in $SAGE_ROOT/sage
script should expand symlinks recursively
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Reporter: tornaria | Owner: tornaria
Type: defect | Status: new
Priority: major | Milestone: sage-3.4.2
Component: misc | Keywords:
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Changes (by tornaria):
* owner: tbd => tornaria
* component: algebra => misc
* milestone: => sage-3.4.2
Comment:
Patching {{{$SAGE_ROOT/sage}}} with this:
{{{
--- sage-3.4/sage.orig 2009-04-22 01:45:48.000000000 -0300
+++ sage-3.4/sage 2009-04-22 09:37:27.000000000 -0300
@@ -14,6 +14,7 @@
fi
if [ "$SAGE_ROOT" = "....." ]; then
+ SAGE_ROOT=`readlink -nf "$0" 2> /dev/null` || \
SAGE_ROOT=`readlink -n "$0" 2> /dev/null` || \
SAGE_ROOT=`realpath "$0" 2> /dev/null` || \
SAGE_ROOT="$0"
}}}
fixes the issue, since now {{{$SAGE_ROOT}}} is correct.
According to mabshoff, {{{readlink -f}}} doesn't work on some BSD; that's
why I left the {{{readlink -n}}} test in the second line, but this should
of course be tested on those BSD to make sure it doesn't cause a
regression.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/5852#comment:1>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of
Reinventing the Wheel
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