mount scripts

mount.sh

#!/bin/bash
# basic script to mount/unmount secondary storage drives
# also supportes mounting .tc files as truecrypt containers
# also supportes mounting .img files 

EXCLUDE='sda|vg0-root|luks|docker'
#EXCLUDEBLK="7" # <major_num>. 7 loop
EXCLUDEBLK="999" # <major_num>. 7 loop
FILEMANAGERCMD="dbus-launch xdg-open" # called on mount when X available

USAGE=$(cat <<EOM
  $(basename $0) [/dev/blk [fs]]
  $(basename $0) [truecrypt.tc [mount_point]]
  $(basename $0) [file.img [mount_point]]
EOM
)

# sudo call integrity check: only root should be able to change script
l=($(/usr/bin/ls -l `/usr/bin/readlink -f $0`))
[ ${l[0]:2:1} != "-" ] && [ "${l[2]}" != "root" ] ||
[ ${l[0]:5:1} != "-" ] && [ "${l[3]}" != "root" ] ||
[ ${l[0]:8:1} != "-" ] && { echo -e "only root should be able to modify\n${l[@]}"; exit 1;}

IFS=$'\n'
DEVS=$(lsblk --exclude $EXCLUDEBLK -n --paths --output NAME,FSTYPE,MOUNTPOINT,LABEL | egrep -v "${EXCLUDE}")

if [ $# -eq 0 ]; then
  	echo -e "Usage:\n$USAGE"
	echo "Select device:"
	COLUMNS=1
	select DEV in $DEVS; do
		break
	done
	DEV=$(echo $DEV | sed 's/ *[└─├│]//g' | awk '{print $1}')
else
	DEV="$1"
fi

if [ ! -e "$DEV" ]; then
	echo -e "\"$DEV\" not a dev or file"
	exit 1
fi


MOUNTED_AT=$(lsblk -n --paths --list | grep $DEV | cut -d ' ' -f 2- | grep '/' | sed 's/^[^\/]\+\(\/\S\+\).*/\1/g')
myUID=$(id -u)

if [ ${DEV: -3} == ".tc" ]; then
    echo "$DEV is truecrypt container"
    NAME=$(basename $DEV)
    if [ "${MOUNTED_AT}" != "" ]; then
	set -x
	sudo umount $DEV && sudo cryptsetup close $NAME || sudo lsof +d "${MOUNTED_AT}"        
	set +x
    else
	test -n "$2" && MNT="$2" || MNT=/mnt/$(basename $DEV)
	mkdir $MNT 2>/dev/null
	set -x
	sudo cryptsetup --type tcrypt open $DEV $NAME && \
	#sudo mount -o uid=$myUID,umask=0077 /dev/mapper/$NAME $MNT || exit
	sudo mount -o gid=users,fmask=113,dmask=002 /dev/mapper/$NAME $MNT || exit
	set +x
    fi
elif [ ${DEV: -4} == ".img" ]; then
    echo "$DEV is img file"
    MNT=/mnt/$(basename $DEV)
    if [ "${MOUNTED_AT}" != "" ]; then
	echo sudo umount $DEV 	
	sudo umount $DEV || sudo lsof +d "${MOUNTED_AT}"        
    else
	mkdir $MNT 2>/dev/null
        echo sudo mount -o loop,rw,uid=$myUID,umask=0077 $DEV $MNT
        sudo mount -o loop,rw,uid=$myUID,umask=0077 $DEV $MNT || exit
    fi
else
    if [ "${MOUNTED_AT}" != "" ]; then
	echo sudo umount $DEV 	
	sudo umount $DEV || sudo lsof +d "${MOUNTED_AT}"        
    else
	MNT=/mnt/$(basename $DEV)
	mkdir $MNT 2>/dev/null
	if [ $# -ge 2 ]; then
		echo sudo mount -o rw,uid=$myUID,umask=0077 $DEV $MNT -t $2
		sudo mount -o rw,uid=$myUID,umask=0077 $DEV $MNT -t $2 || exit
		#sudo mount $DEV $MNT -t $2 || exit
	else
		echo sudo mount -o uid=$myUID,umask=0077 $DEV $MNT || sudo mount $DEV $MNT
		sudo mount -o uid=$myUID,umask=0077 $DEV $MNT || \
		sudo mount $DEV $MNT || exit
	fi
	ls $MNT
        # if x available open file manager
        if xset q &>/dev/null; then
                eval $FILEMANAGERCMD $MNT
        fi
    fi
fi

exit 0