64 lines
1.8 KiB
Bash
Executable File
64 lines
1.8 KiB
Bash
Executable File
#! /bin/sh
|
|
# rellns-sh - Simplified ln program to generate relative symbolic link.
|
|
# Copyright (C) 1996 Free Software Foundation, Inc.
|
|
# Written by Ulrich Drepper <drepper@cygnus.com>, October 1996
|
|
#
|
|
# This program is free software; you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation; either version 2, or (at your option)
|
|
# any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program; if not, write to the Free Software
|
|
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
|
|
if test $# -ne 2; then
|
|
echo "Usage: rellns SOURCE DEST"
|
|
exit 1
|
|
fi
|
|
|
|
case $1 in
|
|
/*)
|
|
# Make both paths absolute.
|
|
to=`echo $1 | sed 's%^/%%'`
|
|
|
|
if test -d $2; then
|
|
from=`echo $2 | sed 's%/*$%%'`
|
|
else
|
|
from=`echo $2 | sed 's%/*[^/]*$%%'`
|
|
fi
|
|
|
|
case "$from" in
|
|
/*) from=`echo $from | sed 's%^/*%%'` ;;
|
|
?*) from=`cd $from && pwd | sed 's%^/%%'` ;;
|
|
*) from=`pwd | sed 's%^/%%'` ;;
|
|
esac
|
|
|
|
while test -n "$to" && test -n "$from"; do
|
|
preto=`echo $to | sed 's%^\([^/]*\)/.*%\1%'`
|
|
prefrom=`echo $from | sed 's%^\([^/]*\)/.*%\1%'`
|
|
|
|
test "$preto" != "$prefrom" && break
|
|
|
|
to=`echo $to | sed 's%^[^/]*/*\(.*\)$%\1%'`
|
|
from=`echo $from | sed 's%^[^/]*/*\(.*\)$%\1%'`
|
|
done
|
|
|
|
while test -n "$from"; do
|
|
rfrom="../$rfrom"
|
|
from=`echo $from | sed 's%^[^/]*/*%%'`
|
|
done
|
|
|
|
ln -s $rfrom$to $2
|
|
;;
|
|
*)
|
|
# Nothing to do, the path is already relative.
|
|
ln -s $1 $2
|
|
;;
|
|
esac
|