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#!/bin/bash
# unplugdrive.sh
#
# Enables unmounting prior to unplugging removable storage
# Allows simultaneous selection of multiple drives
# Unmounts all mounted partitions on nominated drive(s)
# Removes mountpoints
#
# Requires zenity and pmount to be installed. 
# Requires /etc/udev/rules.d/99-usbstorage.unused to be renamed 99-usbstorage
# Store and set the locale value
langbackup=$LANG
LANG=C
# Collect details of each removable device that has at least one mounted partition
discovered=$(pmount|grep /dev/|sort|tr ' ' '_'|cut -d _ -f 1,2,3)
# Create a list of removable devices excluding CD/DVD 
for item in $discovered;do
   if [[ ! $item = /dev/sr* ]];then
     detectedlist="$detectedlist$item"
   fi
done
# Create a list of each removable drive, mounted partition and mountpoint
removablelist=""
removablenow=""
for item in $detectedlist;do
   removablenow=$(echo $item|cut -c 6-|tr '_' ' ')
   removablelist="$removablelist$removablenow\n"
done
# Create a list of each unplugable drive
drivelist=""
drivenow=""
driveprevious=""
position=0
for item in $detectedlist;do
   drivenow=$(echo $item|cut -d _ -f 1|cut -c 6-8)
   if ["$drivenow" !="$driveprevious" ];then
      drivelist="$drivelist $position $drivenow"
      driveprevious=$drivenow
   fi
   position=$(expr $position + 1)
done
# Display a message that no candidate for unmounting was discovered
if [ -z"$drivelist" ];then
   zenity --warning --text"A removable drive with a mounted partition was not found.\n\nIt is safe to unplug the drive(s)"
   LANG=$langbackup
   exit 0
fi
# Display a list from which the drives to be unplugged may be selected
selected=$(zenity --list --width="300" --height="350"  --text="The following are currently mounted:\n$removablelist\nChoose the drive(s) to be unplugged\n" --checklist --column="Select" --column="Drives" --separator="" $drivelist)
   if [ -z"$selected" ];then
      zenity --warning --text="Nothing selected.\nAborting without unmounting."
      LANG=$langbackup
      exit 1
   fi
# Create a list of mountpoints used by the drives selected to be unplugged 
mountpointlist=""
mountpointnow=""
for item in $selected;do
   mountpointnow=$(pmount|grep $item|cut -d"" -f 3)
   mountpointlist="$mountpointlist$mountpointnow"
done
# Create a list summarising what is about to be unmounted
summarylist=""
summarypoint=""
for item in $selected;do
   summarypoint=$(pmount|grep $item|cut -d"" -f 1,2,3|cut -c 6-)
   summarylist="$summarylist$summarypoint\n"
done
# Obtain confirmation to proceed with unmounting
zenity --question --text="About to unmount:\n$summarylist\nPlease confirm you wish to proceed."
if [ $? ="1" ];then
   zenity --warning --text="Nothing has been unmounted.\nAborting as requested with no action taken."
   LANG=$langbackup
   exit 1
else
# Ensure everything is written to storage then unmount
   zenity --progress --text="Data is being written to devices. Please wait..." & pid1="$!"
   sync
   kill $pid1
   for item in $mountpointlist;do
      $(pumount $item)
   done
fi
#  Collect details of each removable device that has at least one mounted partition
postunmount=$(pmount|grep /dev/|sort|cut -d _ -f 1,2,3)
# Collect details of each mountpoint that pumount failed to remove 
mountpointerror=""
mountpointerrorlist=""
for item in $mountpointlist;do
   mountpointerror="$(echo $postunmount|grep -o $item)"
   if [ ! -z $mountpointerror ];then
      mountpointerrorlist="$mountpointerrorlist$mountpointerror\n"
   fi
done
# Display a message if unmount failed
if [ ! -z"$mountpointerrorlist" ];then
   zenity --error --text="Mountpoint removal failed.\n\nA mountpoint remains present at:\n$mountpointerrorlist\nCheck each mountpoint listed before unpluging the drive(s)."
   LANG=$langbackup
   exit 1
else
   # Display a message if unmount successful   
   zenity --info --text="Unmounted:\n$summarylist\n It is safe to unplug the drive(s)"
   LANG=$langbackup
   exit 0
fi

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apt-cache policy pmount zenity

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chmod +x /usr/local/bin/unplugdrive.sh

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prog"Unplug Drive" /usr/share/icons/gTangish-2.0a1/32x32/actions/remove.png unplugdrive.sh

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prog"Unplug Drive" /usr/share/icons/gTangish-2.0a1/32x32/actions/remove.png unplugdrive.sh

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#!/bin/bash
export XAUTHORITY=/home/David/.Xauthority;
export DISPLAY=":0.0";
#SCRIPT MAIN BODY
function run {
 yad --form --always-print-result --align="left" --mouse --title="Disk Management" --image=drive-removable-media --button="Unmount:0" --button="Mount:1" --button="gtk-close:2" --field="DISK":"CB" --item-separator="\:" $PARTITIONS --field="Open file manager:CHK" > $HOME/.disk; ANSWER="$?";
 DISK=`cat $HOME/.disk | cut -d"|" -f1`;
  if [ $ANSWER = 0 ] ; then
  pumount /dev/$DISK;
  notify-send -i drive-removable-media"$DISK has been unmounted";
  elif [ $ANSWER = 1 ] ; then
  pmount /dev/"$DISK";
  notify-send -i drive-removable-media"$DISK has been mounted to $HOME/media/$DISK";
  CHECK=`cat $HOME/.disk | cut -d"|" -f2`;
   if ["$CHECK" ="TRUE" ] ; then
   pcmanfm $HOME/media/$DISK &
   fi
  elif [ $ANSWER = 2 ] ; then
  exit;
  fi 
 exit;
}
#SET VARIABLES HERE
 PART=`cat /proc/partitions | grep -o '[h,s,v].[a-z][1-9]'`;
 PARTITIONS=`echo $PART |tr""":"`;
#CHECK SCRIPT REQUIREMENTS AND RUN
DIRNAME="media";
 if [ -d $HOME/$DIRNAME ] ; then
 run;
 else
 ln -s /media $HOME/;
 run;
 fi

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KERNEL!="sd*[1-9]*", GOTO="exit"

# Import FS infos
SUBSYSTEMS=="usb", IMPORT{program}="/sbin/blkid -o udev -p %N"

# Get a label if present, otherwise specify one
SUBSYSTEMS=="usb", ENV{ID_FS_LABEL}!="", ENV{dir_name}="%E{ID_FS_LABEL}"
SUBSYSTEMS=="usb", ENV{ID_FS_LABEL}=="", ENV{dir_name}="usb-%k"

# Global pmount options
SUBSYSTEMS=="usb", ACTION=="add", ENV{pmount_options}="--noatime"

# File system specific pmount options to avoid auto probing
SUBSYSTEMS=="usb", ACTION=="add", ENV{ID_FS_TYPE}=="ntfs|vfat", ENV{pmount_options}="%E{pmount_options} --umask 007 --charset utf8"
SUBSYSTEMS=="usb", ACTION=="add", ENV{ID_FS_TYPE}=="ntfs", ENV{pmount_options}="%E{pmount_options} -t ntfs-3g"
SUBSYSTEMS=="usb", ACTION=="add", ENV{ID_FS_TYPE}=="vfat", ENV{pmount_options}="%E{pmount_options} -t vfat"
SUBSYSTEMS=="usb", ACTION=="add", ENV{ID_FS_TYPE}=="ext2", ENV{pmount_options}="%E{pmount_options} -t ext2"
SUBSYSTEMS=="usb", ACTION=="add", ENV{ID_FS_TYPE}=="ext3", ENV{pmount_options}="%E{pmount_options} -t ext3"
SUBSYSTEMS=="usb", ACTION=="add", ENV{ID_FS_TYPE}=="ext4", ENV{pmount_options}="%E{pmount_options} -t ext4"

# Mount the device
SUBSYSTEMS=="usb", ACTION=="add",   RUN+="/bin/su #### USER OF SYSTEM #### -c '/usr/local/bin/usb-helper'"
# RUN+="/bin/su #### USER OF SYSTEM ##### -c '/usr/bin/pmount $env{mount_options} /dev/%k /media/%E{dir_name}'",

# Clean up after removal
SUBSYSTEMS=="usb", ACTION=="remove", ENV{dir_name}!="", RUN+="/usr/bin/pumount /dev/%k"

# Exit
LABEL="exit"