#! /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.#  # 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=$1	    fi	    shift	    continue;;    esacdone if [ x"$src" = x ]then	echo "install:	no input file specified"	exit 1else	truefi if [ x"$dir_arg" != x ]; then	dst=$src	src=""		if [ -d $dst ]; then		instcmd=:	else		instcmd=mkdir	fielse # Waiting for this to be detected by the "$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	fifi ## this sed command emulates the dirname commanddstdir=`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 "$dstdir" ]; thendefaultIFS='	'IFS="${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="${pathcomp}/"donefi if [ x"$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 $dst; else true ; fielse # If we're going to rename the final executable, determine the name now. 	if [ x"$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