gistfile1.txt

#!/usr/bin/env bash
# testlabels1


# Check that xserver is running and user is root.
[[ $DISPLAY ]] || { echo "There is no xserver running. Exiting..." ; exit 1 ; }
if [[ $(id -u) -ne 0 ]] ; then
	zenity --error --text="You need to be root!"
	exit 1
fi


use_labels="yes"

# This shows a list of labeled partitions with a partial device name.
find /dev/disk/by-label/* -printf %f\\t\\t%l\\n | sed -e 's/..\///g' | zenity --text-info --width 300 --title "Disk Labels - for reference"

# This shows a checklist of partitions from which to choose one.
install_dev=$(find /dev -mindepth 1 -maxdepth 1  -name "*[sh]d[a-z][1-9]*" \
  | sort | awk '{print "FALSE\n" $0 }' \
  | zenity --list --title="Root Partition" --text="Choose a partition to use for the installation of the operating system." \
--radiolist --multiple --column ' ' --column 'Partitions' --height 380 --width 150)

# Get the disk label for the chosen partition.
rootfslabel=$(e2label $install_dev)

echo "You chose $install_dev"
if [[ -n $rootfslabel ]]; then
	echo "which is labeled $rootfslabel"
fi


# Create fstab (on screen)
if [[ $use_labels = yes ]]; then
	install_part="LABEL=$rootfslabel"
else
	install_part="$install_dev"
fi

echo -e "\n Creating /etc/fstab...\n"
echo -e "proc\t\t/proc\tproc\tdefaults\t0\t0
/swapfile\tswap\tswap\tdefaults\t0\t0
$install_part\t/\t$fs_type_os\tdefaults,noatime\t0\t1"

exit 0