#
# Derived from source code of TrueCrypt 7.1a, which is
# Copyright (c) 2008-2012 TrueCrypt Developers Association and which is governed
# by the TrueCrypt License 3.0.
#
# Modifications and additions to the original source code (contained in this file) 
# and all other portions of this file are Copyright (c) 2013-2015 IDRIX
# and are governed by the Apache License 2.0 the full text of which is
# contained in the file License.txt included in VeraCrypt binary and source
# code distribution packages.
#

PATH=$PATH:/usr/bin:/bin:/usr/sbin:/sbin:/usr/bin/X11

PACKAGE_DIR=$(dirname $(mktemp))
PACKAGE=$PACKAGE_DIR/$PACKAGE_NAME
umask 022


# Terminal setup

TTY=0
tty >/dev/null 2>/dev/null && TTY=1

GUI=0
XMESSAGE=0
XTERM=0
GTERM=0
KTERM=0


case $PACKAGE_TYPE in
	tar)
		PACKAGE_INSTALLER=tar
		PACKAGE_INSTALLER_OPTS='-C / --no-overwrite-dir -xpzvf'
		;;
esac


if [ -n "$DISPLAY" -a "$INSTALLER_TYPE" != "console" ]
then
	GUI=1
	which xmessage >/dev/null 2>/dev/null && XMESSAGE=1
	which xterm >/dev/null 2>/dev/null && XTERM=1
	which gnome-terminal >/dev/null 2>/dev/null && GTERM=1
	which konsole >/dev/null 2>/dev/null && KTERM=1
fi

if [ $TTY -eq 0 ]
then
	[ $GUI -eq 0 ] && echo 'Error: Terminal required' >&2 && exit 1
	
	if [ $XMESSAGE -eq 0 ] || ([ $XTERM -eq 0 ] && [ $GTERM -eq 0 ] && [ $KTERM -eq 0 ])
	then
		which gnome-terminal && exec gnome-terminal -e "$0"
		which konsole && exec konsole -e "$0"
		which xterm && exec xterm -e "$0"
		
		[ $XMESSAGE -eq 1 ] && show_exit_message 'Error: Terminal required'
		exit 1
	fi
fi

if [ $XMESSAGE -eq 0 ] || ([ $XTERM -eq 0 ] && [ $GTERM -eq 0 ] && [ $KTERM -eq 0 ])
then
	GUI=0
	XMESSAGE=0
	XTERM=0
	GTERM=0
	KTERM=0
fi


show_message()
{
	if [ $GUI -eq 1 ]
	then
		if [ $XMESSAGE -eq 1 ]
		then
			xmessage -center -buttons OK -default OK "$*"
		else
			if [ $TTY -eq 1 ]
			then
				echo "$*"
			else
				if [ $XTERM -eq 1 ]
				then
					xterm -T 'VeraCrypt Setup' -e sh -c "echo $*; read A"
				else
					if [ $GTERM -eq 1 ]
					then
						gnome-terminal --title='VeraCrypt Setup' -e "sh -c \"echo $*; read A\""
					else
						if [ $KTERM -eq 1 ]
						then
							konsole --title 'VeraCrypt Setup' --caption 'VeraCrypt Setup' -e sh -c "echo $*; read A"
						fi
					fi
				fi
			fi
		fi
	else
		echo "$*"
	fi
}

show_exit_message()
{
	show_message "$*"
	
	if [ $XMESSAGE -eq 0 ]
	then
		printf 'Press Enter to exit... '
		read A
	fi
}

# License extraction

trap 'rm -f $LICENSE $PACKAGE; exit 1' HUP INT QUIT TERM
LICENSE=$(mktemp)

cat >$LICENSE <<_LICENSE_END
VeraCrypt License
Software distributed under this license is distributed on an "AS
IS" BASIS WITHOUT WARRANTIES OF ANY KIND. THE AUTHORS AND
DISTRIBUTORS OF THE SOFTWARE DISCLAIM ANY LIABILITY. ANYONE WHO
USES, COPIES, MODIFIES, OR (RE)DISTRIBUTES ANY PART OF THE
SOFTWARE IS, BY SUCH ACTION(S), ACCEPTING AND AGREEING TO BE
BOUND BY ALL TERMS AND CONDITIONS OF THIS LICENSE. IF YOU DO NOT
ACCEPT THEM, DO NOT USE, COPY, MODIFY, NOR (RE)DISTRIBUTE THE
SOFTWARE, NOR ANY PART(S) THEREOF.

VeraCrypt is multi-licensed under Apache License 2.0 and 
the TrueCrypt License version 3.0, a verbatim copy of both 
licenses can be found below.

This license does not grant you rights to use any 
contributors' name, logo, or trademarks, including IDRIX, 
VeraCrypt and all derivative names.
For example, the following names are not allowed: VeraCrypt, 
VeraCrypt+, VeraCrypt Professional, iVeraCrypt, etc. Nor any 
other names confusingly similar to the name VeraCrypt (e.g., 
Vera-Crypt, Vera Crypt, VerKrypt, etc.)
____________________________________________________________

Apache License
Version 2.0, January 2004
https://www.apache.org/licenses/

TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION

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You may add Your own copyright statement to Your modifications
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and conditions for use, reproduction, or distribution of 
Your modifications, or for any such Derivative Works as a whole,
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5. Submission of Contributions. Unless You explicitly state
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shall supersede or modify the terms of any separate license
agreement you may have executed with Licensor regarding such
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6. Trademarks. This License does not grant permission to use the
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7. Disclaimer of Warranty. Unless required by applicable law or
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Contributor provides its Contributions) on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
implied, including, without limitation, any warranties or
conditions of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, 
or FITNESS FOR A PARTICULAR PURPOSE. You are solely responsible
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the Work and assume any risks associated with Your exercise of
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8. Limitation of Liability. In no event and under no legal
theory, whether in tort (including negligence), contract,
or otherwise, unless required by applicable law (such as
deliberate and grossly negligent acts) or agreed to in writing,
shall any Contributor be liable to You for damages, including
any direct, indirect, special, incidental, or consequential
damages of any character arising as a result of this License or
out of the use or inability to use the Work (including but not 
limited to damages for loss of goodwill, work stoppage, computer
failure or malfunction, or any and all other commercial damages
or losses), even if such Contributor has been advised of the
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9. Accepting Warranty or Additional Liability. While
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choose to offer, and charge a fee for, acceptance of support,
warranty, indemnity, or other liability obligations and/or 
rights consistent with this License. However, in accepting such
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and only if You agree to indemnify, defend, and hold each
Contributor harmless for any liability incurred by, or claims
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____________________________________________________________

TrueCrypt License Version 3.0

Software distributed under this license is distributed on an "AS
IS" BASIS WITHOUT WARRANTIES OF ANY KIND. THE AUTHORS AND
DISTRIBUTORS OF THE SOFTWARE DISCLAIM ANY LIABILITY. ANYONE WHO
USES, COPIES, MODIFIES, OR (RE)DISTRIBUTES ANY PART OF THE
SOFTWARE IS, BY SUCH ACTION(S), ACCEPTING AND AGREEING TO BE
BOUND BY ALL TERMS AND CONDITIONS OF THIS LICENSE. IF YOU DO NOT
ACCEPT THEM, DO NOT USE, COPY, MODIFY, NOR (RE)DISTRIBUTE THE
SOFTWARE, NOR ANY PART(S) THEREOF.


I. Definitions

1. "This Product" means the work (including, but not limited to,
source code, graphics, texts, and accompanying files) made
available under and governed by this version of this license
("License"), as may be indicated by, but is not limited to,
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Product, or portions thereof, available for download to third
parties, whether or not any third party has downloaded the
product, or any portion thereof, made available for download).



II. Use, Copying, and Distribution of This Product

1. Provided that You comply with all applicable terms and
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(unmodified) and distribute copies of This Product (unmodified)
that are not included in another product forming Your Product
(except as permitted under Chapter III). Note: For terms and
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This Product, see Chapter III.

2. Provided that You comply with all applicable terms and
conditions of this License, You may use This Product freely (see
also Chapter III) on any number of computers/systems for non-
commercial and/or commercial purposes.



III. Modification, Derivation, and Inclusion in Other Products

1. If all conditions specified in the following paragraphs in
this Chapter (III) are met (for exceptions, see Section III.2)
and if You comply with all other applicable terms and conditions
of this License, You may modify This Product (thus forming Your
Product), derive new works from This Product or portions thereof
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thereof in another product (thus forming Your Product, unless
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    a. The name of Your Product (or of Your modified version of
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    All occurrences of the name TrueCrypt that could reasonably
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    b. The following phrases must be removed from Your Product
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This License does not grant permission to use trademarks
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You or Your affiliates, or in a way that might suggest that Your
Product (or any work in which You include a modified or
unmodified version of This Product), You, or Your affiliates
is/are endorsed by one or more authors of This Product, or in a
way that might suggest that one or more authors of This Product
is/are affiliated with You (or Your affiliates) or directly
participated in the creation of Your Product or of any work in
which You include a modified or unmodified version of This
Product.

6. IF YOU ARE NOT SURE WHETHER YOU UNDERSTAND ALL PARTS OF THIS
LICENSE OR IF YOU ARE NOT SURE WHETHER YOU CAN COMPLY WITH ALL
TERMS AND CONDITIONS OF THIS LICENSE, YOU MUST NOT USE, COPY,
MODIFY, CREATE DERIVATIVE WORKS OF, NOR (RE)DISTRIBUTE THIS
PRODUCT, NOR ANY PORTION(S) OF IT. YOU SHOULD CONSULT WITH A
LAWYER.

7. IF (IN RELEVANT CONTEXT) ANY PROVISION OF CHAPTER IV OF THIS
LICENSE IS UNENFORCEABLE, INVALID, OR PROHIBITED UNDER
APPLICABLE LAW IN YOUR JURISDICTION, YOU HAVE NO RIGHTS UNDER
THIS LICENSE AND YOU MUST NOT USE, COPY, MODIFY, CREATE
DERIVATIVE WORKS OF, NOR (RE)DISTRIBUTE THIS PRODUCT, NOR ANY
PORTION(S) THEREOF.

8. Except as otherwise provided in this License, if any
provision of this License, or a portion thereof, is found to be
invalid or unenforceable under applicable law, it shall not
affect the validity or enforceability of the remainder of this
License, and such invalid or unenforceable provision shall be
construed to reflect the original intent of the provision and
shall be enforced to the maximum extent permitted by applicable
law so as to effect the original intent of the provision as
closely as possible.

____________________________________________________________


Third-Party Licenses

This Product contains components that were created by third
parties and that are governed by third-party licenses, which are
contained hereinafter (separated by lines consisting of
underscores). Each of the third-party licenses applies only to
(portions of) the source code file(s) in which the third-party
license is contained or in which it is explicitly referenced,
and to compiled or otherwise processed forms of such source
code. None of the third-party licenses applies to This Product
as a whole, even when it uses terms such as "product",
"program", or any other equivalent terms/phrases. This Product
as a whole is governed by the TrueCrypt License (see above).
Some of the third-party components have been modified by the
authors of This Product. Unless otherwise stated, such
modifications and additions are governed by the TrueCrypt
License (see above). Note: Unless otherwise stated, graphics and
files that are not part of the source code are governed by the
TrueCrypt License.

____________________________________________________________

License agreement for Encryption for the Masses.

Copyright (C) 1998-2000 Paul Le Roux. All Rights Reserved.

This product can be copied and distributed free of charge,
including source code.

You may modify this product and source code, and distribute such
modifications, and you may derive new works based on this
product, provided that:

1. Any product which is simply derived from this product cannot
be called E4M, or Encryption for the Masses.

2. If you use any of the source code in your product, and your
product is distributed with source code, you must include this
notice with those portions of this source code that you use.

Or,

If your product is distributed in binary form only, you must
display on any packaging, and marketing materials which
reference your product, a notice which states:

"This product uses components written by Paul Le Roux
<pleroux@swprofessionals.com>"

3. If you use any of the source code originally by Eric Young,
you must in addition follow his terms and conditions.

4. Nothing requires that you accept this License, as you have
not signed it. However, nothing else grants you permission to
modify or distribute the product or its derivative works.

These actions are prohibited by law if you do not accept this
License.

5. If any of these license terms is found to be to broad in
scope, and declared invalid by any court or legal process, you
agree that all other terms shall not be so affected, and shall
remain valid and enforceable.

6. THIS PROGRAM IS DISTRIBUTED FREE OF CHARGE, THEREFORE THERE
IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
APPLICABLE LAW. UNLESS OTHERWISE STATED THE PROGRAM IS PROVIDED
"AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR
IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE
ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS
WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE
COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION.

7. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN
WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY
MODIFY AND/OR REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE
LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL,
INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR
INABILITY TO USE THE PROGRAM, INCLUDING BUT NOT LIMITED TO LOSS
OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH
ANY OTHER PROGRAMS, EVEN IF SUCH HOLDER OR OTHER PARTY HAD
PREVIOUSLY BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
____________________________________________________________

Copyright (c) 1998-2008, Brian Gladman, Worcester, UK.
All rights reserved.

LICENSE TERMS

The free distribution and use of this software is allowed (with
or without changes) provided that:

 1. source code distributions include the above copyright
    notice, this list of conditions and the following
    disclaimer;

 2. binary distributions include the above copyright notice,
    this list of conditions and the following disclaimer in
    their documentation;

 3. the name of the copyright holder is not used to endorse
    products built using this software without specific written
    permission.

DISCLAIMER

This software is provided 'as is' with no explicit or implied
warranties in respect of its properties, including, but not
limited to, correctness and/or fitness for purpose.
____________________________________________________________

Copyright (C) 2002-2004 Mark Adler, all rights reserved
version 1.8, 9 Jan 2004

This software is provided 'as-is', without any express or
implied warranty.  In no event will the author be held liable
for any damages arising from the use of this software.

Permission is granted to anyone to use this software for any
purpose, including commercial applications, and to alter it and
redistribute it freely, subject to the following restrictions:

1. The origin of this software must not be misrepresented; you
   must not claim that you wrote the original software. If you
   use this software in a product, an acknowledgment in the
   product documentation would be appreciated but is not
   required.
2. Altered source versions must be plainly marked as such, and
   must not be misrepresented as being the original software.
3. This notice may not be removed or altered from any source
   distribution.
____________________________________________________________
_LICENSE_END

[ $? -ne 0 ] && show_exit_message 'Error while extracting license' && exit 1


# Task selection

INSTALL=-1

if [ $XMESSAGE -eq 1 ]
then

	cat <<_END | xmessage -center -file - -buttons "Exit:1,Extract .$PACKAGE_TYPE Package File:20,Install VeraCrypt:10" -default 'Install VeraCrypt'
VeraCrypt $VERSION Setup
====================
 VeraCrypt is a free disk encryption software brought to you by IDRIX 
 (http://www.idrix.fr) and that is based on TrueCrypt.
 It is a software system for establishing and maintaining an
 on-the-fly-encrypted volume (data storage device). On-the-fly encryption
 means that data are automatically encrypted or decrypted right before they
 are loaded or saved, without any user intervention. No data stored on an
 encrypted volume can be read (decrypted) without using the correct
 password/keyfile(s) or correct encryption keys. Entire file system is
 encrypted (e.g., file names, folder names, contents of every file,
 free space, meta data, etc).

Please select one of the below options:

_END

	SEL=$?
	
	case $SEL in
		1)	exit 1
			;;
		10)	INSTALL=1
			;;
		20)	INSTALL=0
			;;
	esac

else

	while [ $INSTALL -eq -1 ]
	do
		clear
		cat <<_MENU_END
VeraCrypt $VERSION Setup
____________________


Installation options:

 1) Install $PACKAGE_NAME
 2) Extract package file $PACKAGE_NAME and place it to $PACKAGE_DIR

_MENU_END

		printf 'To select, enter 1 or 2: '
		
		read SEL
		[ -z "$SEL" ] && SEL=1
		
		case $SEL in
			1)	INSTALL=1
				;;
			2)	INSTALL=0
				;;
		esac
	done

fi


# Administrator privileges check

SUDO=sudo

if [ $INSTALL -eq 1 -a $(id -u) -ne 0 ]
then
	if ! which $SUDO >/dev/null 2>/dev/null
	then
		show_exit_message "Error: Administrator privileges required ($SUDO command is not installed)"
		rm -f $LICENSE
		exit 1
	fi
else
	unset SUDO
fi

[ -n "$SUDO" -a $GUI -eq 1 ] && which gksudo >/dev/null 2>/dev/null && SUDO="gksudo -D 'VeraCrypt Setup' --"
[ -n "$SUDO" -a $GUI -eq 1 ] && which kdesudo >/dev/null 2>/dev/null && SUDO="kdesudo -d --comment 'VeraCrypt Setup' --"


# License agreement

if [ $XMESSAGE -eq 1 ]
then

# GUI license agreement

	cat <<_END | cat - $LICENSE | xmessage -center -file - -buttons 'I accept and agree to be bound by the license terms:10,I do not accept:20'

Before you can use, extract, or install VeraCrypt, you must accept these
license terms.

IMPORTANT: By clicking the left button below this text field, you accept
these license terms and agree to be bound by and to comply with them.
Press Page Down key or use the scroll bar to see the rest of the license.



_END

	SEL=$?
	
	rm -f $LICENSE
	if [ $SEL -ne 10 ]
	then
		show_exit_message 'Installation/extraction aborted'
		exit 1
	fi
	
else

# Console license agreement

printf '\nBefore you can use, extract, or install VeraCrypt, you must accept the\n'
printf 'terms of the VeraCrypt License.\n\nPress Enter to display the license terms... '
read A

MORE=more
HASLESS=0
which less >/dev/null 2>/dev/null && HASLESS=1
if [ $HASLESS -eq 1 ]
then
	MORE='less -E -X'
fi
	cat <<_END | cat - $LICENSE | $MORE

Press Enter or space bar to see the rest of the license.


_END
	if [ $? -ne 0 ]
	then
		if [ $HASLESS -eq 1 ]
		then
# use less without -X as it is not supported by some versions (busybox case)
			MORE='less -E'
			cat <<_END | cat - $LICENSE | $MORE

Press Enter or space bar to see the rest of the license.


_END
			[ $? -ne 0 ] && exit 1
		else
			exit 1
		fi
	fi

	rm -f $LICENSE

	ACCEPTED=0
	while [ $ACCEPTED -eq 0 ]
	do
		printf '\n\nDo you accept and agree to be bound by the license terms? (yes/no): '
		
		read SEL
		
		case $SEL in
			y|Y|yes|YES)
				ACCEPTED=1
				;;
			n|N|no|NO)
				exit 0
				;;
		esac
	done
fi


# Package extraction

[ $GUI -eq 0 ] && echo

if ! tail -n +$PACKAGE_START "$0" >$PACKAGE
then
	show_exit_message "Error: Extraction to $PACKAGE failed"
	exit 1
fi


# Package installation

if [ "$PACKAGE_TYPE" = "tar" ]
then
	if ! which fusermount >/dev/null 2>/dev/null || ! which dmsetup >/dev/null 2>/dev/null
	then
		show_message "$(cat <<_INFO
Requirements for Running VeraCrypt:
-----------------------------------

 - FUSE library and tools
 - device mapper tools

_INFO
)"
		[ $GUI -eq 0 ] && echo && echo Press Enter to continue... && read A
	fi

	show_message "$(cat <<_INFO
Uninstalling VeraCrypt:
-----------------------

To uninstall VeraCrypt, please run 'veracrypt-uninstall.sh'.

_INFO
)"
	[ $GUI -eq 0 ] && echo
fi

if [ $INSTALL -eq 1 ]
then

	INSTALLED=0

	if [ $GUI -eq 1 ]
	then
		if [ $XTERM -eq 1 ]
		then
			exec xterm -T 'VeraCrypt Setup' -e sh -c "echo Installing package...; $SUDO $PACKAGE_INSTALLER $PACKAGE_INSTALLER_OPTS $PACKAGE; rm -f $PACKAGE; echo; echo Press Enter to exit...; read A"
		else
			if [ $GTERM -eq 1 ]
			then
				exec gnome-terminal --title='VeraCrypt Setup' -e "sh -c \"echo Installing package...; $SUDO $PACKAGE_INSTALLER $PACKAGE_INSTALLER_OPTS $PACKAGE; rm -f $PACKAGE; echo; echo Press Enter to exit...; read A\""
			else
				if [ $KTERM -eq 1 ]
				then
					exec konsole --title 'VeraCrypt Setup' --caption 'VeraCrypt Setup' -e sh -c "echo Installing package...; $SUDO $PACKAGE_INSTALLER $PACKAGE_INSTALLER_OPTS $PACKAGE; rm -f $PACKAGE; echo; echo Press Enter to exit...; read A"
				fi
			fi
		fi
	else
		echo 'Installing package...'
		$SUDO $PACKAGE_INSTALLER $PACKAGE_INSTALLER_OPTS $PACKAGE && INSTALLED=1
		
		if [ $INSTALLED -eq 1 ]
		then
			show_exit_message ''
		fi
	fi

	rm -f $PACKAGE
	if [ $INSTALLED -ne 1 ]
	then
		show_exit_message 'Error: VeraCrypt installation failed'
		exit 1
	fi
else
	show_exit_message "Installation package '$PACKAGE_NAME' extracted and placed in '$PACKAGE_DIR'"
fi

exit 0