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97 lines
2.0 KiB
97 lines
2.0 KiB
#! /bin/sh
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# lndir - create shadow link tree
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#
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# Time stamp <89/11/28 18:56:54 gildea>
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# By Stephen Gildea <gildea@bbn.com> based on
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# XConsortium: lndir.sh,v 1.1 88/10/20 17:37:16 jim Exp
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#
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# Modified slightly for ImageMagick by Bob Friesenhahn, 1999
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#
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# Used to create a copy of the a directory tree that has links for all
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# non- directories. If you are building the distribution on more than
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# one machine, you should use this script.
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#
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# If your main sources are located in /usr/local/src/X and you would like
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# your link tree to be in /usr/local/src/new-X, do the following:
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#
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# % mkdir /usr/local/src/new-X
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# % cd /usr/local/src/new-X
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# % lndir ../X
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#
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# Note: does not link files beginning with "." Is this a bug or a feature?
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#
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# Improvements over R3 version:
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# Allows the fromdir to be relative: usually you want to say "../dist"
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# The name is relative to the todir, not the current directory.
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#
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# Bugs in R3 version fixed:
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# Do "pwd" command *after* "cd $DIRTO".
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# Don't try to link directories, avoiding error message "<dir> exists".
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# Barf with Usage message if either DIRFROM *or* DIRTO is not a directory.
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USAGE="Usage: $0 fromdir [todir]"
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if [ $# -lt 1 -o $# -gt 2 ]
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then
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echo "$USAGE"
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exit 1
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fi
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DIRFROM=$1
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if [ $# -eq 2 ];
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then
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DIRTO=$2
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else
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DIRTO=.
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fi
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if [ ! -d $DIRTO ]
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then
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echo "$0: $DIRTO is not a directory"
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echo "$USAGE"
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exit 2
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fi
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cd $DIRTO
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if [ ! -d $DIRFROM ]
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then
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echo "$0: $DIRFROM is not a directory"
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echo "$USAGE"
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exit 2
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fi
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pwd=`pwd`
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if [ `(cd $DIRFROM; pwd)` = $pwd ]
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then
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echo "$pwd: FROM and TO are identical!"
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exit 1
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fi
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for file in `ls $DIRFROM`
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do
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if [ ! -d $DIRFROM/$file ]
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then
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test -r $file || ln -s $DIRFROM/$file .
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else
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#echo $file:
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test -d $file || mkdir $file && chmod 777 $file
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(cd $file
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pwd=`pwd`
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case "$DIRFROM" in
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/*) ;;
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*) DIRFROM=../$DIRFROM ;;
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esac
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if [ `(cd $DIRFROM/$file; pwd)` = $pwd ]
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then
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echo "$pwd: FROM and TO are identical!"
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exit 1
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fi
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$0 $DIRFROM/$file
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)
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fi
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done
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