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‎autostart/init/crouton.conf

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# Copyright (c) 2016 The crouton Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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## Filename: /etc/init/crouton.conf
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## NOTE: 'rootfs' verification needs to be removed.
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## crouton chroot - Start session
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##
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## This will start a (crouton) chroot Desktop Environment session
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description "Crouton Chroot Session daemon"
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author "github/DennisLfromGA"
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## Choose when the crouton chroot will be started - 4 choices below -
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## NOTE: use only 1, prepend the others with the remark character: #
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#start on starting ui # 1st - starts when the user interface begins
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# + only 1 chroot will run in this mode
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# + must use XMETHOD: 'xorg'
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#start on started ui # 2nd - starts when the user interface appears
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# + only 1 chroot will run in this mode
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# + must use XMETHOD: 'xorg'
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#start on login-prompt-visible # 3rd - starts when the login screen appears
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# + only 1 chroot will run in this mode
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# + must use XMETHOD: 'xorg'
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start on start-user-session # 4th - starts when the user logs in - DEFAULT
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# + multiple chroots could run in this mode
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# + can use either XMETHOD: 'xiwi' or 'xorg'
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# + ensures user ~/Downloads is available
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stop on stopping ui or starting halt or starting reboot
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############################################################################
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## NOTE: This job can be controlled externally by placing the file ##
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#+ 'crouton.init' in the User's Downloads folder on a per User ##
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#+ basis or in the chroots parent folder per system with the ##
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#+ following six optional variables set: ##
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#+ 1) DELAY 2) CHROOT 3) START_DE 4) CHROOT_APP 5) XMETHOD 6) RUN_STATE ##
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##~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~##
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#+ [ the 'env ' prefix must be omitted in the control file ] ##
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##~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~##
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## Start of control file variables ##
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##~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~##
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env DELAY=10 # delay desired number of seconds before starting ##
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env CHROOT=xenial # enter desired chroot to start ##
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env START_DE=startxfce4 # enter desired Desktop Envirnoment to use ##
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env CHROOT_APP=none # enter desired chroot application to run ##
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env XMETHOD=default # enter temporary X-Window Envirnoment to use ##
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env RUN_STATE=y # change to 'n' to disable running $CHROOT ##
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##~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~##
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## End of control file variables ##
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############################################################################
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##########################################################################
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## System control parameters ##
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##~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~##
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env DEBUG=on # change to 'on' for DEBUGGING output ##
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env MASTER_SW=on # change to 'off' to override running any $CHROOT ##
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env MULTIPLES=on # change to 'off' to allow running only 1 $CHROOT ##
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##########################################################################
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script
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PID="$$"
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touch /tmp/$UPSTART_JOB-$PID.log
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## For output, use 'grep $PID /var/log/messages'
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LOGGER="logger -p local3.info -t $UPSTART_JOB($PID)"
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trap "$LOGGER '### Exiting...'" EXIT
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$LOGGER "###############"
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$LOGGER "### Starting..."
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if [ "$DEBUG" = 'on' ]; then
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exec >> /tmp/$UPSTART_JOB-$PID.log 2>&1
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set -x
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$LOGGER "*** DEBUGGING turned ON."
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$LOGGER "*** See '/tmp/$UPSTART_JOB-$PID.log' for output."
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else
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$LOGGER "*** DEBUGGING is OFF."
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fi
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if [ "$MASTER_SW" = "off" ]; then
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## No chroots will run even if allowed by external control file(s).
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$LOGGER "!!! The MASTER_SW has been turned OFF"
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$LOGGER "No CHROOTS will run - period. Exiting."
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$LOGGER "###############"
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$LOGGER "### Ending....."
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$LOGGER "###############"
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exit 255
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fi
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MULTS="`pgrep -l crouton|head -n 1`"
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if [ "$MULTIPLES" = "off" ]; then
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## Multiple chroots cannot be run when more than one user is logged in.
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if [ -n "$MULTS" ]; then
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$LOGGER "!!! MULTIPLE CHROOTS has been turned OFF"
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$LOGGER "No more CHROOTS will be run now. Exiting."
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$LOGGER "###############"
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$LOGGER "### Ending....."
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$LOGGER "###############"
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exit 255
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fi
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elif [ -n "$MULTS" ]; then
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$LOGGER "*** MULTIPLE CHROOTS is turned ON"
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$LOGGER "Now running an additional CHROOT."
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$LOGGER "###############"
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fi
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$LOGGER "##- Main checks started."
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if [ -d /var/crouton/chroots ]; then
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## Uses the @drinkcat 'separate_partition' branch - as DEFAULT
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CROUTON_BIN=/var/crouton/bin
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CROUTON_CHROOTS=/var/crouton/chroots
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elif [ -d /usr/local/chroots ]; then
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## Uses the @dnschneid 'master' branch
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CROUTON_BIN=/usr/local/bin
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CROUTON_CHROOTS=/usr/local/chroots
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else
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## Nothing found...
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$LOGGER "*** Crouton 'chroots' directory is missing. Aborting!"
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$LOGGER "###############"
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exit 1
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fi
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if [ ! -d $CROUTON_BIN ]; then
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$LOGGER "*** Crouton 'bin' directory is missing. Aborting!"
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$LOGGER "###############"
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exit 1
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fi
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$LOGGER "*** Crouton 'bin' directory is $CROUTON_BIN"
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$LOGGER "*** Crouton 'chroots' directory is $CROUTON_CHROOTS"
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$LOGGER "##- Check for external control."
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USER_DOWNLOADS="/home/chronos/user/Downloads"
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DOWNLOADS_INIT="$USER_DOWNLOADS/${UPSTART_JOB}.init"
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CHROOTS_PARENT=`dirname $CROUTON_CHROOTS`
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CROUTON_INIT="$CHROOTS_PARENT/${UPSTART_JOB}.init"
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if [ -r $DOWNLOADS_INIT ]; then INIT_FILE="$DOWNLOADS_INIT"
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elif [ -r $CROUTON_INIT ]; then INIT_FILE="$CROUTON_INIT"; fi
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if [ -r $INIT_FILE ] && [ -s $INIT_FILE ]; then
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$LOGGER "*** External control enabled via '$INIT_FILE' file."
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## Pull in variables from external control file
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Delay="` awk -F= '/^DELAY=/ {print $2; exit}' "$INIT_FILE"`"
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Chroot="` awk -F= '/^CHROOT=/ {print $2; exit}' "$INIT_FILE"`"
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Start_DE="` awk -F= '/^START_DE=/ {print $2; exit}' "$INIT_FILE"`"
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Chroot_App="` awk -F= '/^CHROOT_APP=/ {print $2; exit}' "$INIT_FILE"`"
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XMethod="` awk -F= '/^XMETHOD=/ {print $2; exit}' "$INIT_FILE"`"
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Run_state="` awk -F= '/^RUN_STATE=/ {print $2; exit}' "$INIT_FILE"`"
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if [ -n "$Delay" -a "$Delay" != "$DELAY" ]; then
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$LOGGER "##* DELAY changed from: '$DELAY' to '$Delay'."
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DELAY="$Delay"
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fi
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if [ -n "$Chroot" -a "$Chroot" != "$CHROOT" ]; then
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$LOGGER "##* CHROOT changed from: '$CHROOT' to '$Chroot'."
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CHROOT="$Chroot"
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fi
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if [ -n "$Start_DE" -a "$Start_DE" != "$START_DE" ]; then
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$LOGGER "##* START_DE changed from: '$START_DE' to '$Start_DE'."
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START_DE="$Start_DE"
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fi
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if [ -n "$Chroot_App" -a "$Chroot_App" != "$CHROOT_APP" ]; then
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$LOGGER "##* CHROOT_APP: '$Chroot_App' will be executed."
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CHROOT_APP="$Chroot_App"
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else
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CHROOT_APP=
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fi
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if [ -n "$XMethod" -a "$XMethod" != "$XMETHOD" ]; then
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$LOGGER "##* XMETHOD changed from: '$XMETHOD' to '$XMethod'."
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XMETHOD=$XMethod
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elif [ "$XMETHOD" != "default" ]; then
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$LOGGER "##* XMETHOD changed from: 'default' to '$XMETHOD'."
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else
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$LOGGER "##* XMETHOD unchanged - set to '$XMETHOD'."
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fi
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if [ -n "$Run_state" -a "$Run_state" != "$RUN_STATE" ]; then
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$LOGGER "##* RUN_STATE changed from: '$RUN_STATE' to '$Run_state'."
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RUN_STATE="$Run_state"
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fi
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else
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$LOGGER "### NO external control file found, using internal defaults."
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fi
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$LOGGER "##- Secondary checks started."
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if [ ! -d $CROUTON_CHROOTS/$CHROOT ]; then
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$LOGGER "*** Crouton '$CHROOT' directory is missing. Aborting!"
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$LOGGER "###############"
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exit 1
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elif [ ! -s $CROUTON_BIN/$START_DE -o ! -x $CROUTON_BIN/$START_DE ]; then
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$LOGGER "*** Crouton '$START_DE' script is missing. Aborting!"
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$LOGGER "###############"
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exit 1
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fi
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case $XMETHOD in
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xorg|xiwi*)
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XMARG="-X $XMETHOD"
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;;
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default)
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XMARG=
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;;
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*)
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XMARG=
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$LOGGER "##* XMETHOD: '$XMETHOD' is invalid so not set."
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;;
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esac
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if [ "$RUN_STATE" = "n" -o "$MASTER_SW" = off ]; then
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$LOGGER "*** The RUN_STATE for chroot '$CHROOT' is DISABLED. Exiting."
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$LOGGER "###############"
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exit 0
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fi
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$LOGGER "##- Starting main process in $DELAY seconds."
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sleep $DELAY
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$LOGGER "##$ sudo $CROUTON_BIN/$START_DE -c $CROUTON_CHROOTS -n $CHROOT $XMARG $CHROOT_APP"
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eval sudo $CROUTON_BIN/$START_DE -c $CROUTON_CHROOTS -n "$CHROOT" $XMARG "$CHROOT_APP" \
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|| $LOGGER "##- Completed: status $?"
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$LOGGER "### Ending....."
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$LOGGER "###############"
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if [ "$DEBUG" = "y" ]; then
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set +x
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fi
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end script

‎autostart/init/mnt-crouton.conf

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# Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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description "mount CROUTON on /var/crouton"
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author "drinkcat & DennisLfromGA"
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start on starting boot-services
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task
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script
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# Exits the script with return code $1, spitting out message $@ to stderr
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error() {
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local ecode="$1"
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shift
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echo "$*" 1>&2
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exit "$ecode"
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}
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# Find the root device
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# Sets:
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# - $ROOTDEVICE as the root device (e.g. /dev/sda or /dev/mmcblk0)
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# - $ROOTDEVICEPREFIX as a prefix for partitions (/dev/sda, /dev/mmcblk0p)
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findrootdevice() {
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ROOTDEVICE="`rootdev -d -s`"
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if [ -z "$ROOTDEVICE" ]; then
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error 1 "Cannot find root device."
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fi
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if [ ! -b "$ROOTDEVICE" ]; then
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error 1 "$ROOTDEVICE is not a block device."
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fi
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# If $ROOTDEVICE ends with a number (e.g. mmcblk0), partitions are named
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# ${ROOTDEVICE}pX (e.g. mmcblk0p1). If not (e.g. sda), they are named
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# ${ROOTDEVICE}X (e.g. sda1).
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ROOTDEVICEPREFIX="$ROOTDEVICE"
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if [ "${ROOTDEVICE%[0-9]}" != "$ROOTDEVICE" ]; then
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ROOTDEVICEPREFIX="${ROOTDEVICE}p"
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fi
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}
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# Define CROUTON mountpoint
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MOUNTCROUTON='/var/crouton'
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# Try to mount the CROUTON partition, if it exists, on $MOUNTCROUTON.
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mountcrouton() {
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if [ -z "$ROOTDEVICE" ]; then
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findrootdevice
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fi
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local croutonpart="`sudo cgpt find -n -l CROUTON "$ROOTDEVICE"`"
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if [ -z "$croutonpart" ]; then
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return 1
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fi
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# Check if crouton is mounted already
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if grep -q "^${ROOTDEVICEPREFIX}$croutonpart " /proc/mounts; then
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# If mounted, it must be mounted to $mountpoint
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if ! grep -q "^${ROOTDEVICEPREFIX}$croutonpart $MOUNTCROUTON " \
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/proc/mounts; then
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error 1 "Error: CROUTON partition is not mounted on $MOUNTCROUTON."
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else
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PRIOR=' already'
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fi
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else
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sudo mkdir -p "$MOUNTCROUTON" || error 1 "Cannot create $MOUNTCROUTON."
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sudo mount "${ROOTDEVICEPREFIX}$croutonpart" "$MOUNTCROUTON" || \
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error 1 "Cannot mount $MOUNTCROUTON"
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fi
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return 0
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}
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# Now mount the CROUTON partition
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mountcrouton
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end script

‎autostart/local/crouton.init

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##########################################################################
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##* crouton.conf defaults are: ##
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# DELAY=10 # delay desired number of seconds before starting ##
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# CHROOT=xenial # enter desired chroot to start ##
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# START_DE=startxfce4 # enter desired Desktop Envirnoment to use ##
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# CHROOT_APP=none # enter desired chroot application to run ##
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# XMETHOD=default # enter the desired XMETHOD (xorg,xephyr,xiwi) ##
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# RUN_STATE=y # change to 'n' to disable running $CHROOT ##
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##########################################################################
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###
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##############################################################
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## Place a '#' in the 1st column before the variable if you ##
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#+ don't want to change it from the crouton.conf defaults. ##
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## ##
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## SEVERAL EXAMPLES ARE GIVEN BELOW FOR YOUR REFERENCE ##
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#+ YOU CAN REMOVE THEM IF YOU LIKE TO KEEP THINGS NEAT ##
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##############################################################
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###
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### DELAY: change to desired number of seconds before starting
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##* It helps sometimes to give other applicaitons time to initialize.
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#--
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DELAY=3
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###
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### CHROOT: change to desired chroot to use
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#--
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##* chroot(s) in '/var/crouton/chroots': trusty, xenial, wheezy-cb, mdwatson
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##! trusty - DE:kde,xbmc
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#CHROOT=trusty
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##! xenial - DE:gnome,kde,xfce,xbmc
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CHROOT=bionic
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##! wheezy-cb - DE:xinit,startob
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#CHROOT=wheezy-cb
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##! mdwatson - DE:elementary
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#CHROOT=mdwatson
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###
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### START_DE: change to desired Desktop Envirnoment to use
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#--
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#START_DE=startelementary
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#START_DE=startkde
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#START_DE=startlxde
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#START_DE=startgnome
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#START_DE=startunity
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#START_DE=startxbmc
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#START_DE=startxfce4
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##! below 'enter-chroot' commonly used with
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##! CHROOT_APP=sleep infinity (below) for headless operations.
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START_DE=enter-chroot
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###
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### CHROOT_APP: enter a chroot application to run, used for startxiwi
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##* or enter-chroot, etc.
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#--
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#CHROOT_APP=pidgin
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#CHROOT_APP=skype
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#CHROOT_APP=xterm
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## below 'sleep infinity' commonly used with
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## START_DE=enter-chroot (above) for headless operations, etc.
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#CHROOT_APP=sleep infinity
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CHROOT_APP=/usr/bin/python3 /opt/croutonlauncher/main.py
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###
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### XMETHOD: Override the default XMETHOD for this session - if installed, some examples shown
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#--
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#XMETHOD=default
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#XMETHOD=xephyr
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#XMETHOD=xorg
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XMETHOD=xiwi
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###
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### RUN_STATE: change to 'n' to disable running crouton.conf
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#--
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RUN_STATE=y

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