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#!/bin/sh

#

# install - install a program, script, or datafile

# This comes from X11R5 (mit/util/scripts/install.sh).

#

# Copyright 1991 by the Massachusetts Institute of Technology

#

# Permission to use, copy, modify, distribute, and sell this software and its

# documentation for any purpose is hereby granted without fee, provided that

# the above copyright notice appear in all copies and that both that

# copyright notice and this permission notice appear in supporting

# documentation, and that the name of M.I.T. not be used in advertising or

# publicity pertaining to distribution of the software without specific,

# written prior permission.  M.I.T. makes no representations about the

# suitability of this software for any purpose.  It is provided "as is"

# without express or implied warranty.

#

# 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 "install:	no input file specified"

	exit 1

else

	true

fi

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

	dst=$src

	src=""

	if [ -d $dst ]; then

		instcmd=:

		chmodcmd=""

	else

		instcmd=mkdir

	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 -o -d $src ]

	then

		true

	else

		echo "install:  $src does not exist"

		exit 1

	fi

	if [ x"$dst" = x ]

	then

		echo "install:	no destination specified"

		exit 1

	else

		true

	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

		true

	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

		true

	fi

	pathcomp="${pathcomp}/"

done

fi

if [ x"$dir_arg" != x ]

then

	$doit $instcmd $dst &&

	if [ x"$chowncmd" != x ]; then $doit $chowncmd $dst; else true ; fi &&

	if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dst; else true ; fi &&

	if [ x"$stripcmd" != x ]; then $doit $stripcmd $dst; else true ; fi &&

	if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dst; else true ; 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

		true

	fi

# Make a temp file name in the proper directory.

	dsttmp=$dstdir/#inst.$$#

# Move or copy the file name to the temp name

	$doit $instcmd $src $dsttmp &&

	trap "rm -f ${dsttmp}" 0 &&

# 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 true;fi &&

	if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dsttmp; else true;fi &&

	if [ x"$stripcmd" != x ]; then $doit $stripcmd $dsttmp; else true;fi &&

	if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dsttmp; else true;fi &&

# Now rename the file to the real destination.

	$doit $rmcmd -f $dstdir/$dstfile &&

	$doit $mvcmd $dsttmp $dstdir/$dstfile

fi &&

exit 0