#!/bin/sh

#

# Install a program, script, or datafile.

#

# Copyright 2008-2012 by Apple Inc.

#

# This script is not compatible with BSD (or any other) install program, as it

# allows owner and group changes to fail with a warning and makes sure that the

# destination directory permissions are as specified - BSD install and the

# original X11 install script did not change permissions of existing

# directories.  It also does not support the transform options since CUPS does

# not use them...

#

# Original script 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.

# set DOITPROG to echo to test this script

# Don't use :- since 4.3BSD and earlier shells don't like it.

doit="${DOITPROG-}"

# Force umask to 022...

umask 022

# 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}"

gzipprog="${GZIPPROG-gzip}"

transformbasename=""

transform_arg=""

instcmd="$mvprog"

chmodcmd="$chmodprog 0755"

chowncmd=""

chgrpcmd=""

stripcmd=""

rmcmd="$rmprog -f"

mvcmd="$mvprog"

src=""

dst=""

dir_arg=""

gzipcp() {

	# gzipcp from to

	$gzipprog -9 <"$1" >"$2"

}

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

		;;

		-z)

		instcmd="gzipcp"

		shift

		continue

		;;

		*)

		if [ x"$src" = x ]; then

			src="$1"

		else

			dst="$1"

		fi

		shift

		continue

		;;

	esac

done

if [ x"$src" = x ]; then

	echo "install-sh: No input file specified"

	exit 1

fi

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

	dst="$src"

	src=""

	if [ -d "$dst" ]; then

		instcmd=:

	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 "$src" -a ! -d "$src" ]; then

		echo "install: $src does not exist"

		exit 1

	fi

	if [ x"$dst" = x ]; then

		echo "install: No destination specified"

		exit 1

	fi

	# If destination is a directory, append the input filename.

	if [ -d "$dst" ]; then

		dst="$dst/`basename $src`"

	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 $doit $mkdirprog "${pathcomp}"; fi

		pathcomp="${pathcomp}/"

	done

fi

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

	# Make a directory...

	$doit $instcmd $dst || exit 1

	# Allow chown/chgrp to fail, but log a warning

	if [ x"$chowncmd" != x ]; then $doit $chowncmd $dst || echo "warning: Unable to change owner of $dst!"; fi

	if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dst || echo "warning: Unable to change group of $dst!"; fi

	if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dst || exit 1; fi

else

	# Install a file...

	dstfile="`basename $dst`"

	# Check the destination file - for libraries just use the "-x" option

	# to strip...

	case "$dstfile" in

		*.a | *.dylib | *.sl | *.sl.* | *.so | *.so.*)

			stripopt="-x"

			;;

		*)

			stripopt=""

			;;

	esac

	# 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 || exit 1

	# Update permissions and strip as needed, then move to the final name.

	# If the chmod, strip, rm, or mv commands fail, remove the installed

	# file...

	if [ x"$stripcmd" != x ]; then $doit $stripcmd $stripopt "$dsttmp" || echo "warning: Unable to strip $dst!"; fi

	if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dsttmp" || echo "warning: Unable to change owner of $dst!"; fi

	if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dsttmp" || echo "warning: Unable to change group of $dst!"; fi

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

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

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

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

fi

exit 0