#!/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
 	:
 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 -o -d $src ]
 	then
 		:
 	else
 		echo "install:  $src does not exist"
 		exit 1
 	fi
 	
 	if [ x"$dst" = x ]
 	then
 		echo "install:	no destination specified"
 		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 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 $dsttmp; else :;fi &&
 	if [ x"$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 rename the file to the real destination.
 
 	$doit $rmcmd -f $dstdir/$dstfile &&
 	$doit $mvcmd $dsttmp $dstdir/$dstfile 
 
 fi &&
 
 
 exit 0