#!/bin/sh

#

# $NetBSD: install-sh.in,v 1.6 2012/01/11 13:07:31 hans Exp $

# This script now also installs multiple files, but might choke on installing

# multiple files with spaces in the file names.

#

# 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.

awkprog="${AWKPROG-awk}"

mvprog="${MVPROG-mv}"

cpprog="${CPPROG-cp}"

chmodprog="${CHMODPROG-chmod}"

chownprog="${CHOWNPROG-chown}"

chgrpprog="${CHGRPPROG-chgrp}"

stripprog="${STRIPPROG-strip}"

rmprog="${RMPROG-rm}"

mkdirprog="${MKDIRPROG-mkdir}"

instcmd="$cpprog"

instflags=""

pathcompchmodcmd="$chmodprog 755"

chmodcmd="$chmodprog 755"

chowncmd=""

chgrpcmd=""

stripcmd=""

stripflags=""

rmcmd="$rmprog -f"

mvcmd="$mvprog"

src=""

msrc=""

dst=""

dir_arg=""

suffix=""

suffixfmt=""

while [ x"$1" != x ]; do

    case $1 in

	-b) suffix=".old"

	    shift

	    continue;;

	-B) suffixfmt="$2"

	    shift

	    shift

	    continue;;

	-c) instcmd="$cpprog"

	    shift

	    continue;;

	-d) dir_arg=true

	    shift

	    continue;;

	-m) chmodcmd="$chmodprog $2"

	    shift

	    shift

	    continue;;

	-m*)

	    chmodcmd="$chmodprog ${1#-m}"

	    shift

	    continue;;

	-o) chowncmd="$chownprog $2"

	    shift

	    shift

	    continue;;

	-g) chgrpcmd="$chgrpprog $2"

	    shift

	    shift

	    continue;;

	-s) stripcmd="$stripprog"

	    shift

	    continue;;

	-S) stripcmd="$stripprog"

	    stripflags="-S $2 $stripflags"

	    shift

	    shift

	    continue;;

	-p) instflags="-p"

	    shift

	    continue;;

	*)  if [ x"$msrc" = x ]

	    then

		msrc="$dst"

	    else

		msrc="$msrc $dst"

	    fi

	    src="$dst"

	    dst="$1"

	    shift

	    continue;;

    esac

done

if [ x"$dir_arg" = x ]

then

	dstisfile=""

	if [ ! -d "$dst" ]

	then

		if [ x"$msrc" = x"$src" ]

		then

			dstisfile=true

		else

			echo "install: destination is not a directory"

			exit 1

		fi

	fi

else

	msrc="$msrc $dst"

fi

if [ x"$msrc" = x ]

then

	echo "install: no destination specified"

	exit 1

fi      

for srcarg in $msrc; do

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

	dstarg="$srcarg"

else

	dstarg="$dst"

# Waiting for this to be detected by the "$instcmd $srcarg $dsttmp" command

# might cause directories to be created, which would be especially bad 

# if $src (and thus $dsttmp) contains '*'.

	if [ -f "$srcarg" ]

	then

		doinst="$instcmd $instflags"

	elif [ -d "$srcarg" ]

	then

		echo "install: $srcarg: not a regular file"

		exit 1

	elif [ "$srcarg" = "/dev/null" ]

	then

		doinst="$cpprog"

	else

		echo "install:  $srcarg does not exist"

		exit 1

	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 "$dstarg" ]

	then

		dstarg="$dstarg"/`basename "$srcarg"`

	fi

fi

## this sed command emulates the dirname command

dstdir=`echo "$dstarg" | sed -e 's,[^/]*$,,;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

		$doit $mkdirprog "${pathcomp}"

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

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

        	if [ x"$pathcompchmodcmd" != x ]; then $doit $pathcompchmodcmd "${pathcomp}"; else true ; fi

	else

		true

	fi

	pathcomp="${pathcomp}/"

done

fi

	if [ x"$dir_arg" != x ]

	then

		if [ -d "$dstarg" ]; then

			true

		else

			$doit $mkdirprog "$dstarg" &&

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

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

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

		fi

	else

		if [ x"$dstisfile" = x ]

		then

			file=$srcarg

		else

			file=$dst

		fi

		dstfile=`basename "$file"`

		dstfinal="$dstdir/$dstfile"

# Make a temp file name in the proper directory.

		dsttmp=$dstdir/#inst.$$#

# Make a backup file name in the proper directory.

		case x$suffixfmt in

		*%*)	suffix=`echo x |

			$awkprog -v bname="$dstfinal" -v fmt="$suffixfmt" '

			{ cnt = 0;

			  do {

				sfx = sprintf(fmt, cnt++);

				name = bname sfx;

			  } while (system("test -f " name) == 0);

			  print sfx; }' -`;;

		x)	;;

		*)	suffix="$suffixfmt";;

		esac

		dstbackup="$dstfinal$suffix"

# Move or copy the file name to the temp name

		$doit $doinst $srcarg "$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 $stripflags "$dsttmp"; else true;fi &&

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

# Now rename the file to the real destination.

		if [ x"$suffix" != x ] && [ -f "$dstfinal" ]

		then

			$doit $mvcmd "$dstfinal" "$dstbackup"

		else

			$doit $rmcmd -f "$dstfinal"

		fi &&

		$doit $mvcmd "$dsttmp" "$dstfinal"

	fi

done &&

exit 0