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	#!/bin/sh
	#
	# install - install a program, script, or datafile
	#
	# This originates from X11R5 (mit/util/scripts/install.sh), which was
	# later released in X11R6 (xc/config/util/install.sh) with the
	# following copyright and license.
	#
	# Copyright (C) 1994 X Consortium
	#
	# Permission is hereby granted, free of charge, to any person obtaining a copy
	# of this software and associated documentation files (the "Software"), to
	# deal in the Software without restriction, including without limitation the
	# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
	# sell copies of the Software, and to permit persons to whom the Software is
	# furnished to do so, subject to the following conditions:
	#
	# The above copyright notice and this permission notice shall be included in
	# all copies or substantial portions of the Software.
	#
	# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
	# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
	# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC-
	# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
	#
	# Except as contained in this notice, the name of the X Consortium shall not
	# be used in advertising or otherwise to promote the sale, use or other deal-
	# ings in this Software without prior written authorization from the X Consor-
	# tium.
	#
	#
	# FSF changes to this file are in the public domain.
	#
	# Calling this script install-sh is preferred over install.sh, to prevent
	# `make' implicit rules from creating a file called install from it
	# when there is no Makefile.
	#
	# This script is compatible with the BSD install script, but was written
	# from scratch. It can only install one file at a time, a restriction
	# shared with many OS's install programs.


	# set DOITPROG to echo to test this script

	# Don't use :- since 4.3BSD and earlier shells don't like it.
	doit="${DOITPROG-}"


	# put in absolute paths if you don't have them in your path; or use env. vars.

	mvprog="${MVPROG-mv}"
	cpprog="${CPPROG-cp}"
	chmodprog="${CHMODPROG-chmod}"
	chownprog="${CHOWNPROG-chown}"
	chgrpprog="${CHGRPPROG-chgrp}"
	stripprog="${STRIPPROG-strip}"
	rmprog="${RMPROG-rm}"
	mkdirprog="${MKDIRPROG-mkdir}"

	transformbasename=""
	transform_arg=""
	instcmd="$mvprog"
	chmodcmd="$chmodprog 0755"
	chowncmd=""
	chgrpcmd=""
	stripcmd=""
	rmcmd="$rmprog -f"
	mvcmd="$mvprog"
	src=""
	dst=""
	dir_arg=""

	while [ x"$1" != x ]; do
	case $1 in
	-c) instcmd=$cpprog
	shift
	continue;;

	-d) dir_arg=true
	shift
	continue;;

	-m) chmodcmd="$chmodprog $2"
	shift
	shift
	continue;;

	-o) chowncmd="$chownprog $2"
	shift
	shift
	continue;;

	-g) chgrpcmd="$chgrpprog $2"
	shift
	shift
	continue;;

	-s) stripcmd=$stripprog
	shift
	continue;;

	-t=*) transformarg=`echo $1 \| sed 's/-t=//'`
	shift
	continue;;

	-b=*) transformbasename=`echo $1 \| sed 's/-b=//'`
	shift
	continue;;

	*) if [ x"$src" = x ]
	then
	src=$1
	else
	# this colon is to work around a 386BSD /bin/sh bug
	:
	dst=$1
	fi
	shift
	continue;;
	esac
	done

	if [ x"$src" = x ]
	then
	echo "$0: no input file specified" >&2
	exit 1
	else
	:
	fi

	if [ x"$dir_arg" != x ]; then
	dst=$src
	src=""

	if [ -d "$dst" ]; then
	instcmd=:
	chmodcmd=""
	else
	instcmd=$mkdirprog
	fi
	else

	# Waiting for this to be detected by the "$instcmd $src $dsttmp" command
	# might cause directories to be created, which would be especially bad
	# if $src (and thus $dsttmp) contains '*'.

	if [ -f "$src" ] \|\| [ -d "$src" ]
	then
	:
	else
	echo "$0: $src does not exist" >&2
	exit 1
	fi

	if [ x"$dst" = x ]
	then
	echo "$0: no destination specified" >&2
	exit 1
	else
	:
	fi

	# If destination is a directory, append the input filename; if your system
	# does not like double slashes in filenames, you may need to add some logic

	if [ -d "$dst" ]
	then
	dst=$dst/`basename "$src"`
	else
	:
	fi
	fi

	## this sed command emulates the dirname command
	dstdir=`echo "$dst" \| sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`

	# Make sure that the destination directory exists.
	# this part is taken from Noah Friedman's mkinstalldirs script

	# Skip lots of stat calls in the usual case.
	if [ ! -d "$dstdir" ]; then
	defaultIFS='
	'
	IFS="${IFS-$defaultIFS}"

	oIFS=$IFS
	# Some sh's can't handle IFS=/ for some reason.
	IFS='%'
	set - `echo "$dstdir" \| sed -e 's@/@%@g' -e 's@^%@/@'`
	IFS=$oIFS

	pathcomp=''

	while [ $# -ne 0 ] ; do
	pathcomp=$pathcomp$1
	shift

	if [ ! -d "$pathcomp" ] ;
	then
	$mkdirprog "$pathcomp"
	else
	:
	fi

	pathcomp=$pathcomp/
	done
	fi

	if [ x"$dir_arg" != x ]
	then
	$doit $instcmd "$dst" &&

	if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dst"; else : ; fi &&
	if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dst"; else : ; fi &&
	if [ x"$stripcmd" != x ]; then $doit $stripcmd "$dst"; else : ; fi &&
	if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dst"; else : ; fi
	else

	# If we're going to rename the final executable, determine the name now.

	if [ x"$transformarg" = x ]
	then
	dstfile=`basename "$dst"`
	else
	dstfile=`basename "$dst" $transformbasename \|
	sed $transformarg`$transformbasename
	fi

	# don't allow the sed command to completely eliminate the filename

	if [ x"$dstfile" = x ]
	then
	dstfile=`basename "$dst"`
	else
	:
	fi

	# Make a couple of temp file names in the proper directory.

	dsttmp=$dstdir/_inst.$$_
	rmtmp=$dstdir/_rm.$$_

	# Trap to clean up temp files at exit.

	trap 'status=$?; rm -f "$dsttmp" "$rmtmp" && exit $status' 0
	trap '(exit $?); exit' 1 2 13 15

	# Move or copy the file name to the temp name

	$doit $instcmd "$src" "$dsttmp" &&

	# and set any options; do chmod last to preserve setuid bits

	# If any of these fail, we abort the whole thing. If we want to
	# ignore errors from any of these, just make sure not to ignore
	# errors from the above "$doit $instcmd $src $dsttmp" command.

	if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dsttmp"; else :;fi &&
	if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dsttmp"; else :;fi &&
	if [ x"$stripcmd" != x ]; then $doit $stripcmd "$dsttmp"; else :;fi &&
	if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dsttmp"; else :;fi &&

	# Now remove or move aside any old file at destination location. We try this
	# two ways since rm can't unlink itself on some systems and the destination
	# file might be busy for other reasons. In this case, the final cleanup
	# might fail but the new file should still install successfully.

	{
	if [ -f "$dstdir/$dstfile" ]
	then
	$doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null \|\|
	$doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null \|\|
	{
	echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2
	(exit 1); exit
	}
	else
	:
	fi
	} &&

	# Now rename the file to the real destination.

	$doit $mvcmd "$dsttmp" "$dstdir/$dstfile"

	fi &&

	# The final little trick to "correctly" pass the exit status to the exit trap.

	{
	(exit 0); exit
	}

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