5195be912e
merge of parallel duplicate work by Steve Price and myself. :-] There are some changes to the build that are my fault... mkinit.c was trying (poorly) to duplicate some of the work that make(1) is designed to do. The Makefile hackery is my fault too, the depend list was incomplete because of some explicit OBJS+= entries, so mkdep wasn't picking up their source file #includes. This closes a pile of /bin/sh PR's, but not all of them.. Submitted by: Steve Price <steve@bonsai.hiwaay.net>, peter
75 lines
2.5 KiB
Plaintext
75 lines
2.5 KiB
Plaintext
# Copyright (c) 1991, 1993
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# The Regents of the University of California. All rights reserved.
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#
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# This code is derived from software contributed to Berkeley by
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# Kenneth Almquist.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# 3. All advertising materials mentioning features or use of this software
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# must display the following acknowledgement:
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# This product includes software developed by the University of
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# California, Berkeley and its contributors.
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# 4. Neither the name of the University nor the names of its contributors
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# may be used to endorse or promote products derived from this software
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# without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# @(#)pushd 8.2 (Berkeley) 5/4/95
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# $Id: pushd,v 1.2 1994/09/24 02:58:43 davidg Exp $
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# pushd, popd, and dirs --- written by Chris Bertin
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# Pixel Computer Inc. ...!wjh12!pixel!pixutl!chris
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# as modified by Patrick Elam of GTRI and Kenneth Almquist at UW
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pushd () {
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SAVE=`pwd`
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if [ "$1" = "" ]
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then if [ "$DSTACK" = "" ]
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then echo "pushd: directory stack empty."
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return 1
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fi
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set $DSTACK
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cd $1 || return
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shift 1
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DSTACK="$*"
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else cd $1 > /dev/null || return
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fi
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DSTACK="$SAVE $DSTACK"
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dirs
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}
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popd () {
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if [ "$DSTACK" = "" ]
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then echo "popd: directory stack empty."
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return 1
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fi
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set $DSTACK
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cd $1
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shift
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DSTACK=$*
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dirs
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}
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dirs () {
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echo "`pwd` $DSTACK"
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return 0
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}
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