vBox GA main install script

From Will Pittenger, 7 Years ago, written in Plain Text.

URL http://devnull.lunar-linux.org/view/77c3f786

Embed

#!/bin/sh

#

# Oracle VM VirtualBox

# VirtualBox Makeself installation starter script

# for Linux Guest Additions

#

# Copyright (C) 2006-2015 Oracle Corporation

#

# This file is part of VirtualBox Open Source Edition (OSE), as

# available from http://www.virtualbox.org. This file is free software;

# you can redistribute it and/or modify it under the terms of the GNU

# General Public License (GPL) as published by the Free Software

# Foundation, in version 2 as it comes in the "COPYING" file of the

# VirtualBox OSE distribution. VirtualBox OSE is distributed in the

# hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.

#

# This is a stub installation script to be included in VirtualBox Makeself

# installers which removes any previous installations of the package, unpacks

# the package into the filesystem (by default under /opt) and starts the real

# installation script.

#

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

# Note: These variable names must *not* clash with variables in $CONFIG_DIR/$CONFIG!

PACKAGE="VBoxGuestAdditions"

PACKAGE_NAME="VirtualBox Guest Additions"

UNINSTALL="uninstall.sh"

ROUTINES="routines.sh"

ARCH="x86"

INSTALLATION_VER="5.0.20"

INSTALLATION_REV="106931"

BUILD_TYPE="release"

USERNAME="vbox"

UNINSTALL_SCRIPTS="vboxadd-x11 vboxvfs vboxadd-timesync vboxadd-service vboxadd"

INSTALLATION_DIR="/opt/$PACKAGE-$INSTALLATION_VER"

CONFIG_DIR="/var/lib/$PACKAGE"

CONFIG="config"

CONFIG_FILES="filelist"

SELF=$1

LOGFILE="/var/log/$PACKAGE.log"

. "./$ROUTINES"

check_root

create_log "$LOGFILE"

## @todo r=andy: Explain options like "force" and "no_setup" -- not self-explanatory

# to the user.

usage()

{

info ""

info "Usage: $SELF install [<installation directory>]"

info " [--with-<module>] |"

info " uninstall"

info " [--force] [--no-setup]"

info ""

info "Example:"

info "$SELF install"

exit 1

}

# Create a symlink in the filesystem and add it to the list of package files

add_symlink()

{

self=add_symlink

## Parameters:

# The file the link should point to

target="$1"

# The name of the actual symlink file. Must be an absolute path to a

# non-existing file in an existing directory.

link="$2"

link_dir="`dirname "$link"`"

test -n "$target" ||

{ echo 1>&2 "$self: no target specified"; return 1; }

test -d "$link_dir" ||

{ echo 1>&2 "$self: link directory $link_dir does not exist"; return 1; }

expr "$link" : "/.*" > /dev/null ||

{ echo 1>&2 "$self: link file name is not absolute"; return 1; }

rm -f "$link"

ln -s "$target" "$link"

echo "$link" >> "$CONFIG_DIR/$CONFIG_FILES"

}

# Create symbolic links targeting all files in a directory in another

# directory in the filesystem

link_into_fs()

{

## Parameters:

# Directory containing the link target files

target_branch="$1"

# Directory to create the link files in

directory="$2"

for i in "$INSTALLATION_DIR/$target_branch"/*; do

test -e "$i" &&

add_symlink "$i" "$directory/`basename $i`"

done

}

# Look for broken installations or installations without a known uninstaller

# and try to clean them up, asking the user first.

def_uninstall()

{

## Parameters:

# Whether to force cleanup without asking the user

force="$1"

. ./deffiles

found=0

for i in "/opt/$PACKAGE-"*; do

test -e "$i" && found=1

done

for i in $DEFAULT_FILE_NAMES; do

test "$found" = 0 && test -e "$i" && found=1

done

test "$found" = 0 &&

for i in $DEFAULT_VERSIONED_FILE_NAMES; do

for j in $i-*; do

test "$found" = 0 && test -e "$j" && found=1

done

done

test "$found" = 0 && return 0

if ! test "$1" = "force" ; then

cat 1>&2 << EOF

You appear to have a version of the VBoxGuestAdditions software

on your system which was installed from a different source or using a

different type of installer. If you installed it from a package from your

Linux distribution or if it is a default part of the system then we strongly

recommend that you cancel this installation and remove it properly before

installing this version. If this is simply an older or a damaged

installation you may safely proceed.

Do you wish to continue anyway? [yes or no]

EOF

read reply dummy

if ! expr "$reply" : [yY] > /dev/null &&

! expr "$reply" : [yY][eE][sS] > /dev/null

then

info

info "Cancelling installation."

return 1

fi

fi

# Stop what we can in the way of services and remove them from the

# system

for i in $UNINSTALL_SCRIPTS; do

stop_init_script "$i" 2>> "${LOGFILE}"

test -z "$NO_CLEANUP" && test -x "./$i" && "./$i" cleanup 1>&2 2>> "$LOGFILE"

delrunlevel "$i" 2>> "${LOGFILE}"

remove_init_script "$i" 2>> "${LOGFILE}"

done

for i in "/opt/$PACKAGE-"*/init/*; do

test -z "$NO_CLEANUP" && grep -q '^# *cleanup_script *$' "${i}" && "${i}" cleanup 1>&2 2>> "$LOGFILE"

done

# Get rid of any remaining files

for i in $DEFAULT_FILE_NAMES; do

rm -f "$i" 2> /dev/null

done

for i in $DEFAULT_VERSIONED_FILE_NAMES; do

rm -f "$i-"* 2> /dev/null

done

rm -f "/usr/lib/$PACKAGE" "/usr/lib64/$PACKAGE" "/usr/share/$PACKAGE" \

"/usr/lib/i386-linux-gnu/$PACKAGE" "/usr/lib/x86_64-linux-gnu/$PACKAGE"

# And any packages left under /opt

for i in "/opt/$PACKAGE-"*; do

test -d "$i" && rm -rf "$i"

done

return 0

}

info "$PACKAGE_NAME installer"

# Check architecture

cpu=`uname -m`;

case "$cpu" in

i[3456789]86|x86)

cpu="x86"

lib_candidates="/usr/lib/i386-linux-gnu /usr/lib /lib"

;;

x86_64|amd64)

cpu="amd64"

lib_candidates="/usr/lib/x86_64-linux-gnu /usr/lib64 /usr/lib /lib64 /lib"

;;

*)

cpu="unknown"

esac

ARCH_PACKAGE="$PACKAGE-$cpu.tar.bz2"

if [ ! -r "$ARCH_PACKAGE" ]; then

info "Detected unsupported $cpu machine type."

exit 1

fi

# Find the most appropriate libary folder by seeing which of the candidate paths

# are actually in the shared linker path list and choosing the first. We look

# for Debian-specific paths first, then LSB ones, then the new RedHat ones.

libs=`ldconfig -v 2>/dev/null | grep -v ^$'\t'`

for i in $lib_candidates; do

if echo $libs | grep -q $i; then

lib_path=$i

break

fi

done

if [ ! -x "$lib_path" ]; then

info "Unable to determine correct library path."

exit 1

fi

# Sensible default actions

ACTION="install"

DO_SETUP="true"

NO_CLEANUP=""

FORCE_UPGRADE=""

while [ $# -ge 2 ];

do

ARG=$2

shift

if [ -z "$MY_END_OF_OPTIONS" ]; then

case "$ARG" in

install)

ACTION="install"

;;

uninstall)

ACTION="uninstall"

;;

## @todo Add per-module options handling, e.g. --lightdm-greeter-dir

# or --lightdm-config

## @todo Add listing all available modules (+ their options, e.g.

# with callback mod_mymod_show_options?)

--with-*)

MODULE_CUR=`expr "$ARG" : '--with-$.*$'`

# Check if corresponding module in installer/module-$1 exists.

# Note: Module names may not contain spaces or other funny things.

if [ ! -f "./installer/module-${MODULE_CUR}" ]; then

info "Error: Module \"${MODULE_CUR}\" does not exist."

usage

fi

# Give the module the chance of doing initialization work / checks.

. "./installer/module-${MODULE_CUR}"

mod_${MODULE_CUR}_init

if test $? -ne 0; then

echo 1>&2 "Module '${MODULE_CUR}' failed to initialize"

if ! test "$FORCE_UPGRADE" = "force"; then

return 1

fi

# Continue initialization.

fi

# Add module to the list of modules to handle later.

if test -z "${INSTALLATION_MODULES_LIST}"; then

INSTALLATION_MODULES_LIST="${MODULE_CUR}"

else

INSTALLATION_MODULES_LIST="${INSTALLATION_MODULES_LIST} ${MODULE_CUR}"

fi

shift

;;

--force|force) # Keep "force" for backwards compatibility.

FORCE_UPGRADE="force"

;;

--no-setup|no_setup) # Keep "no_setup" for backwards compatibility.

DO_SETUP=""

;;

--no-cleanup|no_cleanup) # Keep "no_cleanup" for backwards compatibility.

# Do not do cleanup of old modules when removing them. For

# testing purposes only.

DO_SETUP=""

NO_CLEANUP="no_cleanup"

;;

--)

MY_END_OF_OPTIONS="1"

;;

*)

if [ "`echo $1|cut -c1`" != "/" ]; then

info "Please specify an absolute path"

usage

fi

INSTALLATION_DIR="$1"

shift

;;

esac

fi

done

# uninstall any previous installation

INSTALL_DIR=""

uninstalled=0

test -r "$CONFIG_DIR/$CONFIG" &&

eval `grep ^INSTALL_DIR= "$CONFIG_DIR/$CONFIG"` 2>/dev/null &&

eval `grep ^UNINSTALLER= "$CONFIG_DIR/$CONFIG"` 2>/dev/null

if test -n "$INSTALL_DIR" -a -x "$INSTALL_DIR/$UNINSTALLER"; then

"$INSTALL_DIR/$UNINSTALLER" $NO_CLEANUP 1>&2 ||

abort "Failed to remove existing installation. Aborting..."

uninstalled=1

fi

test "$uninstalled" = 0 && def_uninstall "$FORCE_UPGRADE" && uninstalled=1

test "$uninstalled" = 0 && exit 1

rm -f "$CONFIG_DIR/$CONFIG"

rm -f "$CONFIG_DIR/$CONFIG_FILES"

rmdir "$CONFIG_DIR" 2>/dev/null

test "$ACTION" = "install" || exit 0

# Choose a proper umask

umask 022

# Set installer modules directory

INSTALLATION_MODULES_DIR="$INSTALLATION_DIR/installer/"

# install the new version

mkdir -p -m 755 "$CONFIG_DIR"

test ! -d "$INSTALLATION_DIR" && REMOVE_INSTALLATION_DIR=1

mkdir -p -m 755 "$INSTALLATION_DIR"

# install and load installer modules

if [ -d installer ]; then

info "Copying additional installer modules ..."

mkdir -p -m 755 "$INSTALLATION_MODULES_DIR"

for CUR_FILE in `ls installer/*`; do

install -p -m 755 "$CUR_FILE" "$INSTALLATION_MODULES_DIR"

if [ $? -ne 0 ]; then

info "Error: Failed to copy installer module \"$CUR_FILE\""

if ! test "$FORCE_UPGRADE" = "force"; then

exit 1

fi

fi

done

fi

# Create a list of the files in the archive, skipping any directories which

# already exist in the filesystem.

bzip2 -d -c "$ARCH_PACKAGE" | tar -tf - |

while read name; do

fullname="$INSTALLATION_DIR/$name"

case "$fullname" in

*/)

test ! -d "$fullname" &&

echo "$fullname" >> "$CONFIG_DIR/$CONFIG_FILES"

;;

*)

echo "$fullname" >> "$CONFIG_DIR/$CONFIG_FILES"

;;

esac

done

bzip2 -d -c "$ARCH_PACKAGE" | tar -xf - -C "$INSTALLATION_DIR" || exit 1

# Set symlinks into /usr and /sbin

link_into_fs "bin" "/usr/bin"

link_into_fs "sbin" "/usr/sbin"

link_into_fs "lib" "$lib_path"

add_symlink "$INSTALLATION_DIR/lib/$PACKAGE" /usr/lib/"$PACKAGE"

link_into_fs "share" "/usr/share"

link_into_fs "src" "/usr/src"

if [ -d "$INSTALLATION_MODULES_DIR" ]; then

info "Installing additional modules ..."

for CUR_MODULE in `find "$INSTALLATION_MODULES_DIR" 2>/dev/null`

do

echo "$CUR_MODULE" >> "$CONFIG_DIR/$CONFIG_FILES"

done

fi

for CUR_MODULE in ${INSTALLATION_MODULES_LIST}

do

mod_${CUR_MODULE}_install

if [ $? -ne 0 ]; then

info "Error: Failed to install module \"$CUR_MODULE\""

if ! test "$FORCE_UPGRADE" = "force"; then

exit 1

fi

fi

done

# Remember our installation configuration before we call any init scripts

cat > "$CONFIG_DIR/$CONFIG" << EOF

# $PACKAGE installation record.

# Package installation directory

INSTALL_DIR='$INSTALLATION_DIR'

# Additional installation modules

INSTALL_MODULES_DIR='$INSTALLATION_MODULES_DIR'

INSTALL_MODULES_LIST='$INSTALLATION_MODULES_LIST'

# Package uninstaller. If you repackage this software, please make sure

# that this prints a message and returns an error so that the default

# uninstaller does not attempt to delete the files installed by your

# package.

UNINSTALLER='$UNINSTALL'

# Package version

INSTALL_VER='$INSTALLATION_VER'

INSTALL_REV='$INSTALLATION_REV'

# Build type and user name for logging purposes

BUILD_TYPE='$BUILD_TYPE'

USERNAME='$USERNAME'

EOF

# Give the modules the chance to write their stuff

# to the installation config as well.

if [ -n "${INSTALLATION_MODULES_LIST}" ]; then

info "Saving modules configuration ..."

for CUR_MODULE in ${INSTALLATION_MODULES_LIST}

do

echo "`mod_${CUR_MODULE}_config_save`" >> "$CONFIG_DIR/$CONFIG"

done

fi

# Install, set up and start init scripts

for i in "$INSTALLATION_DIR/init/"*; do

if test -r "$i"; then

install_init_script "$i" "`basename "$i"`" 2>> "${LOGFILE}"

addrunlevel "`basename "$i"`" 2>> "${LOGFILE}"

test -n "$DO_SETUP" && grep -q '^# *setup_script *$' "${i}" && "${i}" setup 1>&2 2>> "${LOGFILE}"

start_init_script "`basename "$i"`" 2>> "${LOGFILE}"

fi

done

cp $ROUTINES $INSTALLATION_DIR

echo $INSTALLATION_DIR/$ROUTINES >> "$CONFIG_DIR/$CONFIG_FILES"

cat > $INSTALLATION_DIR/$UNINSTALL << EOF

#!/bin/sh

# Auto-generated uninstallation file

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

LOGFILE="/var/log/$PACKAGE-uninstall.log"

# Read routines.sh

if ! test -r "$INSTALLATION_DIR/$ROUTINES"; then

echo 1>&2 "Required file $ROUTINES not found. Aborting..."

return 1

fi

. "$INSTALLATION_DIR/$ROUTINES"

# We need to be run as root

check_root

create_log "\$LOGFILE"

echo 1>&2 "Removing installed version $INSTALLATION_VER of $PACKAGE_NAME..."

NO_CLEANUP=""

if test "\$1" = "no_cleanup"; then

shift

NO_CLEANUP="no_cleanup"

fi

test -r "$CONFIG_DIR/$CONFIG_FILES" || abort "Required file $CONFIG_FILES not found. Aborting..."

# Stop and clean up all services

for i in "$INSTALLATION_DIR/init/"*; do

if test -r "\$i"; then

stop_init_script "\`basename "\$i"\`" 2>> "${LOGFILE}"

test -z "\${NO_CLEANUP}" && grep -q '^# *cleanup_script *$' "\${i}" && "\${i}" cleanup 2>> "\$LOGFILE"

delrunlevel "\`basename "\$i"\`" 2>> "${LOGFILE}"

remove_init_script "\`basename "\$i"\`" 2>> "${LOGFILE}"

fi

done

# Load all modules

# Important: This needs to be done before loading the configuration

# value below to not override values which are set to a default

# value in the modules itself.

for CUR_MODULE in `find "$INSTALLATION_MODULES_DIR" -name "module-*" 2>/dev/null`

do

. "\$CUR_MODULE"

done

# Load configuration values

test -r "$CONFIG_DIR/$CONFIG" && . "$CONFIG_DIR/$CONFIG"

# Call uninstallation initialization of all modules

for CUR_MODULE in "$INSTALLATION_MODULES_LIST"

do

if test -z "\$CUR_MODULE"; then

continue

fi

mod_\${CUR_MODULE}_pre_uninstall

if [ $? -ne 0 ]; then

echo 1>&2 "Module \"\$CUR_MODULE\" failed to initialize uninstallation"

# Continue initialization.

fi

done

# Call uninstallation of all modules

for CUR_MODULE in "$INSTALLATION_MODULES_LIST"

do

if test -z "\$CUR_MODULE"; then

continue

fi

mod_\${CUR_MODULE}_uninstall

if [ $? -ne 0 ]; then

echo 1>&2 "Module \"\$CUR_MODULE\" failed to uninstall"

# Continue uninstallation.

fi

done

# And remove all files and empty installation directories

# Remove any non-directory entries

cat "$CONFIG_DIR/$CONFIG_FILES" | xargs rm 2>/dev/null

# Remove any empty (of files) directories in the file list

cat "$CONFIG_DIR/$CONFIG_FILES" |

while read file; do

case "\$file" in

*/)

test -d "\$file" &&

find "\$file" -depth -type d -exec rmdir '{}' ';' 2>/dev/null

;;

esac

done

# Remove configuration files

rm "$CONFIG_DIR/$CONFIG_FILES" 2>/dev/null

rm "$CONFIG_DIR/$CONFIG" 2>/dev/null

rmdir "$CONFIG_DIR" 2>/dev/null

exit 0

EOF

chmod 0755 $INSTALLATION_DIR/$UNINSTALL

echo $INSTALLATION_DIR/$UNINSTALL >> "$CONFIG_DIR/$CONFIG_FILES"

test -n "$REMOVE_INSTALLATION_DIR" &&

echo "$INSTALLATION_DIR/" >> "$CONFIG_DIR/$CONFIG_FILES"

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#!/bin/sh
#
# Oracle VM VirtualBox
# VirtualBox Makeself installation starter script
# for Linux Guest Additions

#
# Copyright (C) 2006-2015 Oracle Corporation
#
# This file is part of VirtualBox Open Source Edition (OSE), as
# available from http://www.virtualbox.org. This file is free software;
# you can redistribute it and/or modify it under the terms of the GNU
# General Public License (GPL) as published by the Free Software
# Foundation, in version 2 as it comes in the "COPYING" file of the
# VirtualBox OSE distribution. VirtualBox OSE is distributed in the
# hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
#

# This is a stub installation script to be included in VirtualBox Makeself
# installers which removes any previous installations of the package, unpacks
# the package into the filesystem (by default under /opt) and starts the real
# installation script.
#
PATH=$PATH:/bin:/sbin:/usr/sbin

# Note: These variable names must *not* clash with variables in $CONFIG_DIR/$CONFIG!
PACKAGE="VBoxGuestAdditions"
PACKAGE_NAME="VirtualBox Guest Additions"
UNINSTALL="uninstall.sh"
ROUTINES="routines.sh"
ARCH="x86"
INSTALLATION_VER="5.0.20"
INSTALLATION_REV="106931"
BUILD_TYPE="release"
USERNAME="vbox"
UNINSTALL_SCRIPTS="vboxadd-x11 vboxvfs vboxadd-timesync vboxadd-service vboxadd"

INSTALLATION_DIR="/opt/$PACKAGE-$INSTALLATION_VER"
CONFIG_DIR="/var/lib/$PACKAGE"
CONFIG="config"
CONFIG_FILES="filelist"
SELF=$1
LOGFILE="/var/log/$PACKAGE.log"

. "./$ROUTINES"

check_root

create_log "$LOGFILE"

## @todo r=andy: Explain options like "force" and "no_setup" -- not self-explanatory
#        to the user.
usage()
{
    info ""
    info "Usage: $SELF install [<installation directory>]"
    info "       [--with-<module>] |"
    info "       uninstall"
    info "       [--force] [--no-setup]"
    info ""
    info "Example:"
    info "$SELF install"
    exit 1
}

# Create a symlink in the filesystem and add it to the list of package files
add_symlink()
{
    self=add_symlink
    ## Parameters:
    # The file the link should point to
    target="$1"
    # The name of the actual symlink file.  Must be an absolute path to a
    # non-existing file in an existing directory.
    link="$2"
    link_dir="`dirname "$link"`"
    test -n "$target" ||
        { echo 1>&2 "$self: no target specified"; return 1; }
    test -d "$link_dir" ||
        { echo 1>&2 "$self: link directory $link_dir does not exist"; return 1; }
    expr "$link" : "/.*" > /dev/null ||
        { echo 1>&2 "$self: link file name is not absolute"; return 1; }
    rm -f "$link"
    ln -s "$target" "$link"
    echo "$link" >> "$CONFIG_DIR/$CONFIG_FILES"
}

# Create symbolic links targeting all files in a directory in another
# directory in the filesystem
link_into_fs()
{
    ## Parameters:
    # Directory containing the link target files
    target_branch="$1"
    # Directory to create the link files in
    directory="$2"
    for i in "$INSTALLATION_DIR/$target_branch"/*; do
        test -e "$i" &&
            add_symlink "$i" "$directory/`basename $i`"
    done
}

# Look for broken installations or installations without a known uninstaller
# and try to clean them up, asking the user first.
def_uninstall()
{
    ## Parameters:
    # Whether to force cleanup without asking the user
    force="$1"

. ./deffiles
    found=0
    for i in "/opt/$PACKAGE-"*; do
        test -e "$i" && found=1
    done
    for i in $DEFAULT_FILE_NAMES; do
        test "$found" = 0 && test -e "$i" && found=1
    done
    test "$found" = 0 &&
        for i in $DEFAULT_VERSIONED_FILE_NAMES; do
            for j in $i-*; do
                test "$found" = 0 && test -e "$j" && found=1
            done
        done
    test "$found" = 0 && return 0
    if ! test "$1" = "force" ; then
        cat 1>&2 << EOF
You appear to have a version of the VBoxGuestAdditions software
on your system which was installed from a different source or using a
different type of installer.  If you installed it from a package from your
Linux distribution or if it is a default part of the system then we strongly
recommend that you cancel this installation and remove it properly before
installing this version.  If this is simply an older or a damaged
installation you may safely proceed.

Do you wish to continue anyway? [yes or no]
EOF
        read reply dummy
        if ! expr "$reply" : [yY] > /dev/null &&
            ! expr "$reply" : [yY][eE][sS] > /dev/null
        then
            info
            info "Cancelling installation."
            return 1
        fi
    fi
    # Stop what we can in the way of services and remove them from the
    # system
    for i in $UNINSTALL_SCRIPTS; do
        stop_init_script "$i" 2>> "${LOGFILE}"
        test -z "$NO_CLEANUP" && test -x "./$i" && "./$i" cleanup 1>&2 2>> "$LOGFILE"
        delrunlevel "$i" 2>> "${LOGFILE}"
        remove_init_script "$i" 2>> "${LOGFILE}"
    done
    for i in "/opt/$PACKAGE-"*/init/*; do
      test -z "$NO_CLEANUP" && grep -q '^# *cleanup_script *$' "${i}" && "${i}" cleanup 1>&2 2>> "$LOGFILE"
    done

# Get rid of any remaining files
    for i in $DEFAULT_FILE_NAMES; do
        rm -f "$i" 2> /dev/null
    done
    for i in $DEFAULT_VERSIONED_FILE_NAMES; do
        rm -f "$i-"* 2> /dev/null
    done
    rm -f "/usr/lib/$PACKAGE" "/usr/lib64/$PACKAGE" "/usr/share/$PACKAGE" \
        "/usr/lib/i386-linux-gnu/$PACKAGE" "/usr/lib/x86_64-linux-gnu/$PACKAGE"

# And any packages left under /opt
    for i in "/opt/$PACKAGE-"*; do
        test -d "$i" && rm -rf "$i"
    done
    return 0
}

info "$PACKAGE_NAME installer"

# Check architecture
cpu=`uname -m`;
case "$cpu" in
  i[3456789]86|x86)
    cpu="x86"
    lib_candidates="/usr/lib/i386-linux-gnu /usr/lib /lib"
    ;;
  x86_64|amd64)
    cpu="amd64"
    lib_candidates="/usr/lib/x86_64-linux-gnu /usr/lib64 /usr/lib /lib64 /lib"
    ;;
  *)
    cpu="unknown"
esac
ARCH_PACKAGE="$PACKAGE-$cpu.tar.bz2"
if [ ! -r "$ARCH_PACKAGE" ]; then
  info "Detected unsupported $cpu machine type."
  exit 1
fi
# Find the most appropriate libary folder by seeing which of the candidate paths
# are actually in the shared linker path list and choosing the first.  We look
# for Debian-specific paths first, then LSB ones, then the new RedHat ones.
libs=`ldconfig -v 2>/dev/null | grep -v ^$'\t'`
for i in $lib_candidates; do
  if echo $libs | grep -q $i; then
    lib_path=$i
    break
  fi
done
if [ ! -x "$lib_path" ]; then
  info "Unable to determine correct library path."
  exit 1
fi

# Sensible default actions
ACTION="install"
DO_SETUP="true"
NO_CLEANUP=""
FORCE_UPGRADE=""

while [ $# -ge 2 ];
do
    ARG=$2
    shift

if [ -z "$MY_END_OF_OPTIONS" ]; then
        case "$ARG" in

install)
                ACTION="install"
                ;;

uninstall)
                ACTION="uninstall"
                ;;

## @todo Add per-module options handling, e.g. --lightdm-greeter-dir
             #       or --lightdm-config

## @todo Add listing all available modules (+ their options, e.g.
             #       with callback mod_mymod_show_options?)

--with-*)
                MODULE_CUR=`expr "$ARG" : '--with-$.*$'`
                # Check if corresponding module in installer/module-$1 exists.
                # Note: Module names may not contain spaces or other funny things.
                if [ ! -f "./installer/module-${MODULE_CUR}" ]; then
                    info "Error: Module \"${MODULE_CUR}\" does not exist."
                    usage
                fi
                # Give the module the chance of doing initialization work / checks.
                . "./installer/module-${MODULE_CUR}"
                mod_${MODULE_CUR}_init
                if test $? -ne 0; then
                    echo 1>&2 "Module '${MODULE_CUR}' failed to initialize"
                    if ! test "$FORCE_UPGRADE" = "force"; then
                        return 1
                    fi
                    # Continue initialization.
                fi
                # Add module to the list of modules to handle later.
                if test -z "${INSTALLATION_MODULES_LIST}"; then
                    INSTALLATION_MODULES_LIST="${MODULE_CUR}"
                else
                    INSTALLATION_MODULES_LIST="${INSTALLATION_MODULES_LIST} ${MODULE_CUR}"
                fi
                shift
                ;;

--force|force) # Keep "force" for backwards compatibility.
                FORCE_UPGRADE="force"
                ;;

--no-setup|no_setup) # Keep "no_setup" for backwards compatibility.
                DO_SETUP=""
                ;;

--no-cleanup|no_cleanup) # Keep "no_cleanup" for backwards compatibility.
                # Do not do cleanup of old modules when removing them.  For
                # testing purposes only.
                DO_SETUP=""
                NO_CLEANUP="no_cleanup"
                ;;

--)
                MY_END_OF_OPTIONS="1"
                ;;

*)
                if [ "`echo $1|cut -c1`" != "/" ]; then
                    info "Please specify an absolute path"
                    usage
                fi
                INSTALLATION_DIR="$1"
                shift
                ;;
        esac
    fi
done

# uninstall any previous installation
INSTALL_DIR=""
uninstalled=0
test -r "$CONFIG_DIR/$CONFIG" &&
    eval `grep ^INSTALL_DIR= "$CONFIG_DIR/$CONFIG"` 2>/dev/null &&
    eval `grep ^UNINSTALLER= "$CONFIG_DIR/$CONFIG"` 2>/dev/null
if test -n "$INSTALL_DIR" -a -x "$INSTALL_DIR/$UNINSTALLER"; then
  "$INSTALL_DIR/$UNINSTALLER" $NO_CLEANUP 1>&2 ||
    abort "Failed to remove existing installation.  Aborting..."
  uninstalled=1
fi
test "$uninstalled" = 0 && def_uninstall "$FORCE_UPGRADE" && uninstalled=1
test "$uninstalled" = 0 && exit 1
rm -f "$CONFIG_DIR/$CONFIG"
rm -f "$CONFIG_DIR/$CONFIG_FILES"
rmdir "$CONFIG_DIR" 2>/dev/null
test "$ACTION" = "install" || exit 0

# Choose a proper umask
umask 022

# Set installer modules directory
INSTALLATION_MODULES_DIR="$INSTALLATION_DIR/installer/"

# install the new version
mkdir -p -m 755 "$CONFIG_DIR"
test ! -d "$INSTALLATION_DIR" && REMOVE_INSTALLATION_DIR=1
mkdir -p -m 755 "$INSTALLATION_DIR"

# install and load installer modules
if [ -d installer ]; then
  info "Copying additional installer modules ..."
  mkdir -p -m 755 "$INSTALLATION_MODULES_DIR"
  for CUR_FILE in `ls installer/*`; do
      install -p -m 755 "$CUR_FILE" "$INSTALLATION_MODULES_DIR"
      if [ $? -ne 0 ]; then
          info "Error: Failed to copy installer module \"$CUR_FILE\""
          if ! test "$FORCE_UPGRADE" = "force"; then
              exit 1
          fi
      fi
  done
fi

# Create a list of the files in the archive, skipping any directories which
# already exist in the filesystem.
bzip2 -d -c "$ARCH_PACKAGE" | tar -tf - |
  while read name; do
    fullname="$INSTALLATION_DIR/$name"
    case "$fullname" in
      */)
        test ! -d "$fullname" &&
          echo "$fullname" >> "$CONFIG_DIR/$CONFIG_FILES"
        ;;
      *)
        echo "$fullname" >> "$CONFIG_DIR/$CONFIG_FILES"
        ;;
    esac
  done
bzip2 -d -c "$ARCH_PACKAGE" | tar -xf - -C "$INSTALLATION_DIR" || exit 1

# Set symlinks into /usr and /sbin
link_into_fs "bin" "/usr/bin"
link_into_fs "sbin" "/usr/sbin"
link_into_fs "lib" "$lib_path"
add_symlink "$INSTALLATION_DIR/lib/$PACKAGE" /usr/lib/"$PACKAGE"
link_into_fs "share" "/usr/share"
link_into_fs "src" "/usr/src"

if [ -d "$INSTALLATION_MODULES_DIR" ]; then
  info "Installing additional modules ..."
  for CUR_MODULE in `find "$INSTALLATION_MODULES_DIR" 2>/dev/null`
      do
          echo "$CUR_MODULE" >> "$CONFIG_DIR/$CONFIG_FILES"
      done
fi

for CUR_MODULE in ${INSTALLATION_MODULES_LIST}
do
    mod_${CUR_MODULE}_install
    if [ $? -ne 0 ]; then
        info "Error: Failed to install module \"$CUR_MODULE\""
        if ! test "$FORCE_UPGRADE" = "force"; then
            exit 1
        fi
    fi
done

# Remember our installation configuration before we call any init scripts
cat > "$CONFIG_DIR/$CONFIG" << EOF
# $PACKAGE installation record.
# Package installation directory
INSTALL_DIR='$INSTALLATION_DIR'
# Additional installation modules
INSTALL_MODULES_DIR='$INSTALLATION_MODULES_DIR'
INSTALL_MODULES_LIST='$INSTALLATION_MODULES_LIST'
# Package uninstaller.  If you repackage this software, please make sure
# that this prints a message and returns an error so that the default
# uninstaller does not attempt to delete the files installed by your
# package.
UNINSTALLER='$UNINSTALL'
# Package version
INSTALL_VER='$INSTALLATION_VER'
INSTALL_REV='$INSTALLATION_REV'
# Build type and user name for logging purposes
BUILD_TYPE='$BUILD_TYPE'
USERNAME='$USERNAME'
EOF

# Give the modules the chance to write their stuff
# to the installation config as well.
if [ -n "${INSTALLATION_MODULES_LIST}" ]; then
  info "Saving modules configuration ..."
  for CUR_MODULE in ${INSTALLATION_MODULES_LIST}
  do
    echo "`mod_${CUR_MODULE}_config_save`" >> "$CONFIG_DIR/$CONFIG"
  done
fi

# Install, set up and start init scripts
for i in "$INSTALLATION_DIR/init/"*; do
  if test -r "$i"; then
    install_init_script "$i" "`basename "$i"`" 2>> "${LOGFILE}"
    addrunlevel "`basename "$i"`" 2>> "${LOGFILE}"
    test -n "$DO_SETUP" && grep -q '^# *setup_script *$' "${i}" && "${i}" setup 1>&2 2>> "${LOGFILE}"
    start_init_script "`basename "$i"`" 2>> "${LOGFILE}"
  fi
done

cp $ROUTINES $INSTALLATION_DIR
echo $INSTALLATION_DIR/$ROUTINES >> "$CONFIG_DIR/$CONFIG_FILES"
cat > $INSTALLATION_DIR/$UNINSTALL << EOF
#!/bin/sh
# Auto-generated uninstallation file

PATH=\$PATH:/bin:/sbin:/usr/sbin
LOGFILE="/var/log/$PACKAGE-uninstall.log"

# Read routines.sh
if ! test -r "$INSTALLATION_DIR/$ROUTINES"; then
    echo 1>&2 "Required file $ROUTINES not found.  Aborting..."
    return 1
fi
. "$INSTALLATION_DIR/$ROUTINES"

# We need to be run as root
check_root

create_log "\$LOGFILE"

echo 1>&2 "Removing installed version $INSTALLATION_VER of $PACKAGE_NAME..."

NO_CLEANUP=""
if test "\$1" = "no_cleanup"; then
    shift
    NO_CLEANUP="no_cleanup"
fi

test -r "$CONFIG_DIR/$CONFIG_FILES" || abort "Required file $CONFIG_FILES not found.  Aborting..."

# Stop and clean up all services
for i in "$INSTALLATION_DIR/init/"*; do
    if test -r "\$i"; then
        stop_init_script "\`basename "\$i"\`" 2>> "${LOGFILE}"
        test -z "\${NO_CLEANUP}" && grep -q '^# *cleanup_script *$' "\${i}" && "\${i}" cleanup 2>> "\$LOGFILE"
        delrunlevel "\`basename "\$i"\`" 2>> "${LOGFILE}"
        remove_init_script "\`basename "\$i"\`" 2>> "${LOGFILE}"
    fi
done

# Load all modules
# Important: This needs to be done before loading the configuration
#            value below to not override values which are set to a default
#            value in the modules itself.
for CUR_MODULE in `find "$INSTALLATION_MODULES_DIR" -name "module-*" 2>/dev/null`
    do
        . "\$CUR_MODULE"
    done

# Load configuration values
test -r "$CONFIG_DIR/$CONFIG" && . "$CONFIG_DIR/$CONFIG"

# Call uninstallation initialization of all modules
for CUR_MODULE in "$INSTALLATION_MODULES_LIST"
    do
        if test -z "\$CUR_MODULE"; then
            continue
        fi
        mod_\${CUR_MODULE}_pre_uninstall
        if [ $? -ne 0 ]; then
            echo 1>&2 "Module \"\$CUR_MODULE\" failed to initialize uninstallation"
            # Continue initialization.
        fi
    done

# Call uninstallation of all modules
for CUR_MODULE in "$INSTALLATION_MODULES_LIST"
    do
        if test -z "\$CUR_MODULE"; then
            continue
        fi
        mod_\${CUR_MODULE}_uninstall
        if [ $? -ne 0 ]; then
            echo 1>&2 "Module \"\$CUR_MODULE\" failed to uninstall"
            # Continue uninstallation.
        fi
    done

# And remove all files and empty installation directories
# Remove any non-directory entries
cat "$CONFIG_DIR/$CONFIG_FILES" | xargs rm 2>/dev/null
# Remove any empty (of files) directories in the file list
cat "$CONFIG_DIR/$CONFIG_FILES" |
    while read file; do
        case "\$file" in
            */)
            test -d "\$file" &&
                find "\$file" -depth -type d -exec rmdir '{}' ';' 2>/dev/null
            ;;
        esac
    done

# Remove configuration files
rm "$CONFIG_DIR/$CONFIG_FILES" 2>/dev/null
rm "$CONFIG_DIR/$CONFIG" 2>/dev/null
rmdir "$CONFIG_DIR" 2>/dev/null
exit 0
EOF
chmod 0755 $INSTALLATION_DIR/$UNINSTALL
echo $INSTALLATION_DIR/$UNINSTALL >> "$CONFIG_DIR/$CONFIG_FILES"
test -n "$REMOVE_INSTALLATION_DIR" &&
  echo "$INSTALLATION_DIR/" >> "$CONFIG_DIR/$CONFIG_FILES"

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