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|
#! /bin/sh
# lndir - create shadow link tree
#
# Time stamp <89/11/28 18:56:54 gildea>
# By Stephen Gildea <gildea@bbn.com> based on
# XConsortium: lndir.sh,v 1.1 88/10/20 17:37:16 jim Exp
#
# Used to create a copy of the a directory tree that has links for all non-
# directories (except those named RCS). If you are building the distribution
# on more than one machine, you should use this script.
#
# If your master sources are located in /usr/local/src/X and you would like
# your link tree to be in /usr/local/src/new-X, do the following:
#
# % mkdir /usr/local/src/new-X
# % cd /usr/local/src/new-X
# % lndir ../X
#
# Note: does not link files beginning with "." Is this a bug or a feature?
#
# Improvements over R3 version:
# Allows the fromdir to be relative: usually you want to say "../dist"
# The name is relative to the todir, not the current directory.
#
# Bugs in R3 version fixed:
# Do "pwd" command *after* "cd $DIRTO".
# Don't try to link directories, avoiding error message "<dir> exists".
# Barf with Usage message if either DIRFROM *or* DIRTO is not a directory.
USAGE="Usage: $0 fromdir [todir]"
case $0 in
/*) lndir=$0 ;;
*/*) lndir=`pwd`/$0 ;;
*) lndir=$0 ;;
esac
if [ $# -lt 1 -o $# -gt 2 ]
then
echo "$USAGE"
exit 1
fi
DIRFROM=$1
if [ $# -eq 2 ];
then
DIRTO=$2
else
DIRTO=.
fi
if [ ! -d $DIRTO ]
then
echo "$0: $DIRTO is not a directory"
echo "$USAGE"
exit 2
fi
cd $DIRTO
if [ ! -d $DIRFROM ]
then
echo "$0: $DIRFROM is not a directory"
echo "$USAGE"
exit 2
fi
pwd=`pwd`
if [ `(cd $DIRFROM; pwd)` = $pwd ]
then
echo "$pwd: FROM and TO are identical!"
exit 1
fi
for file in `ls -a $DIRFROM`
do
if [ ! -d $DIRFROM/$file ]
then
ln -s $DIRFROM/$file .
else
if [ $file != RCS -a $file != CVS -a $file != . -a $file != .. ]
then
echo $file:
mkdir $file
(cd $file
pwd=`pwd`
case "$DIRFROM" in
/*) ;;
*) DIRFROM=../$DIRFROM ;;
esac
if [ `(cd $DIRFROM/$file; pwd)` = $pwd ]
then
echo "$pwd: FROM and TO are identical!"
exit 1
fi
$lndir $DIRFROM/$file
)
fi
fi
done
|
