Backup & Restore scripts - arch, partclone, zstd

backup.sh

if [ "$EUID" -ne 0 ]
then
    echo -e "\033[0;33mWARNING:\033[0m This script requires root privileges!"
fi

if [ $# -ne 2 ]
then
    echo -e "\033[0;31mERROR:\033[0m Image name and/or drive not given in arguments!"
    echo "Usage:"
    echo -e "\t\033[1;31mbackup <image name> <drive>\033[0m"
    exit
fi

if mount | grep -iq "$2"
then
    echo -e "\033[1;34m$2\033[0m is mounted!"
    echo -en "Would you like to unmount it \033[0;32m(y/n)\033[0m? "
    read answer
    if echo "$answer" | grep -iq "^y"
    then
        sudo umount $2
    else
        echo "Exiting..."
        exit
    fi
fi

if [ -f "$1.pcl.zst" ]
then
    echo -e "File \033[1;34m$1.pcl.zst\033[0m already exists!"
    echo -en "Do you want to delete it \033[0;32m(y/n)\033[0m? "
    read answer
    if echo "$answer" | grep -iq "^y"
    then
        sudo rm "$1.pcl.zst"
    else
        echo "Exiting..."
        exit
    fi
fi

FSTYPE=$(sudo blkid | grep $2 | grep -oP "(?<=\sTYPE=\")\w+(?=\")")

sudo partclone.$FSTYPE -c -s $2 | zstd -19 -T4 -f -o "$1.pcl.zst"

restore.sh

if [ "$EUID" -ne 0 ]
then
    echo -e "\033[0;33mWARNING:\033[0m This script requires root privileges!"
fi

if [ $# -ne 2 ]
then
    echo -e "\033[0;31mERROR:\033[0m Source image and/or drive not given in arguments!"
    echo "Usage:"
    echo -e "\t\033[1;31mrestore <image> <drive>\033[0m"
    exit 1
fi

if mount | grep -iq "$2"
then
    echo -e "\033[1;34m$2\033[0m is mounted!"
    echo -en "Would you like to unmount it \033[0;32m(y/n)\033[0m? "
    read answer
    if echo "$answer" | grep -iq "^y"
    then
        sudo umount $2
    else
        echo "Exiting..."
        exit 0
    fi
fi

echo -en "Your data will be lost! Would you like to continue \033[0;32m(y/n)\033[0m? "
read answer
if echo "$answer" | grep -iq "^y"
then
    sudo cat $1 | zstdcat | partclone.restore -C -O $2
else
    echo "Exiting..."
    exit 0
fi