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#! /bin/sh
# Copyright 2008 Siep Kroonenberg.
# You may freely use, modify and/or distribute this file.
#calculate TeXLive root
#it appears that dirname isn't always available
TEXDIR0=$0
TEXDIR=${TEXDIR0%/*}
if test "$TEXDIR" = "$TEXDIR0"; then
TEXDIR="."
fi
unset TEXDIR0
dirsave=`pwd`
cd $TEXDIR
TEXDIR=`pwd`
export TEXDIR
cd $dirsave
# Test whether the TeXLive directory is writable. We need an actual
# write test, because network drives aren't always identified
# correctly. We accept negatives at face value.
if test -w $TEXDIR; then
# make sure $TEXDIR is really writable
testfile=1
while test -e $TEXDIR/$testfile
do testfile=`expr $testfile + 1`
done
echo Testing whether $TEXDIR is writable...
touch $TEXDIR/$testfile 2>/dev/null
if test -e $TEXDIR/$testfile; then
rm $TEXDIR/$testfile
echo $TEXDIR is writable.
TEXDIRW=$TEXDIR
else
echo $TEXDIR is not writable.
TEXDIRW=$HOME/.texlive2008
fi
else
TEXDIRW=$HOME/.texlive2008
fi
export TEXDIRW
echo Using $TEXDIRW for generated files.
# Use $TEXMFHOME for private data,
# $TEXMFLOCAL for department- or workgroup data.
# It is allright if $TEXMFLOCAL does not exist.
TEXMFSYSVAR=$TEXDIRW/texmf-var
if test -d $TEXDIR/texmf-var; then
TEXMFSYSVAR=$TEXDIR/texmf-var
fi
export TEXMFSYSVAR
TEXMFSYSCONFIG=$TEXDIRW/texmf-config
if test -f $TEXDIR/texmf-config; then
TEXMFSYSCONFIG=$TEXDIR/texmf-config
fi
export TEXMFSYSCONFIG
TEXMFMAIN=$TEXDIR/texmf
export TEXMFMAIN
TEXMFDIST=$TEXDIR/texmf-dist
export TEXMFDIST
TEXMFLOCAL=$TEXDIR/texmf-local
export TEXMFLOCAL
TEXMFHOME=$TEXDIRW/texmf-home
export TEXMFHOME
TEXMFVAR=$TEXDIRW/texmf-var
export TEXMFVAR
TEXMFCONFIG=$TEXDIRW/texmf-config
export TEXMFCONFIG
platform=`$TEXDIR/install-tl --print-arch`
if test "$platform" = ""; then
echo 'Platform unsupported'
exit 1
elif test ! -d $TEXDIR/bin/$platform; then
echo 'Platform unsupported'
exit 1
fi
if $TEXDIR/install-tl --portable; then :; else
echo Initialization of TeXLive failed!
exit 1
fi
# Try to block initialization scripts.
# Set custom prompt for secondary shell, but
# I know of no good way to do this for the C shell.
ENV=/dev/null
export ENV
PATH=$TEXDIR/bin/$platform:$PATH
export PATH
if test "$SHELL" = /bin/bash; then
PS1='TL \w\$ '
export PS1
exec $SHELL --norc -i
elif test "$SHELL" = /bin/zsh; then
PS1='TL %d%% '
export PS1
exec $SHELL -f -i
elif test "$SHELL" = /bin/csh; then
exec $SHELL -f -i
elif test "$SHELL" = /bin/tcsh; then
exec $SHELL -f -i
else
PS1='TL $PWD\$ '
export PS1
exec $SHELL -f -i
fi
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