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Diffstat (limited to 'scripts/rellns-sh')
-rwxr-xr-x | scripts/rellns-sh | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/scripts/rellns-sh b/scripts/rellns-sh new file mode 100755 index 0000000000..890f4eea3a --- /dev/null +++ b/scripts/rellns-sh @@ -0,0 +1,66 @@ +#! /bin/sh +# rellns-sh - Simplified ln program to generate relative symbolic link. +# Copyright (C) 1996, 1997 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" >&2 + exit 1 +fi + +# Make both paths absolute. +if test -d $1; then + to=`cd $1 && /bin/pwd` +else + temp=`echo $1 | sed 's%/*[^/]*$%%'` + if test -z "$temp"; then + to=`/bin/pwd` + else + to=`cd $temp && /bin/pwd` + fi + to="$to/`echo $1 | sed 's%.*/\([^/][^/]*\)$%\1%'`" +fi +to=`echo $to | sed 's%^/%%'` + +if test -d $2; then + from=`echo $2 | sed 's%/*$%%'` +else + from=`echo $2 | sed 's%/*[^/]*$%%'` +fi + +if test -z "$from"; then + from=`/bin/pwd | sed 's%^/%%'` +else + from=`cd $from && /bin/pwd | sed 's%^/%%'` +fi + +while test -n "$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 |