Simple Backup utility, recognizing where to backup and (according to partition space) what profile to use

backup-data.sh

#!/bin/bash

ssh_backup() {
    echo "What's the IP address?"
    read IP
    echo "What's the port?"
    read port
    SSH="ssh -p $port"
    DIR=$IP":/home/"$USERNAME;
    
    echo "What profile?\n"
    options=("64gb" "128gb" ">256gb")
    echo "Backing up /home to "$DIR"..."
    select opt in "${options[@]}"
    do
        case $opt in
            "64gb")
                echo "  less than 64gb"
                echo "  using profile Exclude-64"
                echo rsync -z -e "$SSH" --delete --info=progress2 --recursive --exclude-from /home/luca-linux/bin/BackupRSync/exclude-64 ~/ $DIR  2>&1 | tee -a /tmp/backup.log
                break
                ;;
            "128gb")
                echo "  less than 128gb"
                echo "  using profile Exclude-128"
                rsync -aAHz -e "$SSH" --delete --info=progress2 --recursive --exclude-from /home/luca-linux/bin/BackupRSync/exclude-128 ~/ $DIR  2>&1 | tee -a /tmp/backup.log
                break
                ;;
            ">256gb")
                echo "  more than 128gb"
                echo "  using profile Exclude"
                rsync -aAHz -e "$SSH" --delete --info=progress2 --recursive --exclude-from /home/luca-linux/bin/BackupRSync/exclude ~/ $DIR  2>&1 | tee -a /tmp/backup.log
                break
                ;;
        esac
    done
    echo "
    ——————--
    -- All backed up! --
    ——————--
    " | tee -a /tmp/backup.log

    # Log file is created or appended on BACKUP Drive from /tmp:
    # (backup.log will be removed from /tmp on next reboot.)

    scp /tmp/backup.log $DIR/backup.log

    sync
}

home() {
    # Check if at least one directory for Backup exists
    if ! ls /run/media/$USER | grep BACKUP > /dev/null; then 
            echo "NO BACKUP DRIVE FOUND! Please make sure BACKUP Drive USB is connected." ; exit 1
    fi
    # Check if at least one directory for Backup exists
    if ! ls /run/media/$USERNAME | grep BACKUP | grep -v ROOT > /dev/null; then 
            echo "NO HOME DRIVE FOUND! Please make sure BACKUP Drive USB is connected."
    fi
    # Log file is created in /tmp:
    echo "
    Backup sent to BACKUP Drive USB from $HOSTNAME by ‘$USERNAME’ on:" > /tmp/backup.log
    date| tee -a /tmp/backup.log
    echo "
    Errors:" | tee -a /tmp/backup.log

    # FOR EACH backup directory, execute the backup
    for d in $(ls /run/media/$USERNAME | grep BACKUP | grep -v ROOT)
    do
        DIR="/run/media/"$USERNAME/$d/$USERNAME;
        echo "
        Backing up /home to "$DIR"..."
        # Different profile if backing up to PenDrive instead of HDD/SSD
        PARTITION_SIZE=$(df | grep "/run/media/"$USERNAME/$d$ | awk '{print $2}' )

        if [ $PARTITION_SIZE -le 67782100 ]; then
            echo "  less than 64gb"
            echo "  using profile Exclude-64"
            rsync -z --delete --info=progress2 --recursive --exclude-from /home/luca-linux/bin/BackupRSync/exclude-64 ~/ $DIR  2>&1 | tee -a /tmp/backup.log
        elif [ $PARTITION_SIZE -ge 67782100 -a $PARTITION_SIZE -le 133564200 ]; then
            echo "  less than 128gb"
            echo "  using profile Exclude-128"
            rsync -aAHz --delete --info=progress2 --recursive --exclude-from /home/luca-linux/bin/BackupRSync/exclude-128 ~/ $DIR  2>&1 | tee -a /tmp/backup.log
        elif [ $PARTITION_SIZE -ge 133564200 ]; then
            echo "  more than 128gb"
            echo "  using profile Exclude"
            rsync -aAHz --delete --info=progress2 --recursive --exclude-from /home/luca-linux/bin/BackupRSync/exclude ~/ $DIR  2>&1 | tee -a /tmp/backup.log
        fi

        echo "
        ——————--
        -- All backed up! --
        ——————--
        " | tee -a /tmp/backup.log

        # Log file is created or appended on BACKUP Drive from /tmp:
        # (backup.log will be removed from /tmp on next reboot.)

        cat /tmp/backup.log | tee -a $DIR/backup.log

        # Writing all cached data to drives and exiting:

        sync
    done
}

system() {
    # Check if at least one directory for Backup exists
    if ! ls /run/media/$USER | grep BACKUP > /dev/null; then 
            echo "NO BACKUP DRIVE FOUND! Please make sure BACKUP Drive USB is connected." ; exit 1
    fi
    rm /tmp/backup.log
    # Check if at least one directory for Backup exists
    if ! ls /run/media/$USERNAME | grep BACKUP | grep ROOT > /dev/null; then 
            echo "NO SYSTEM DRIVE FOUND! Please make sure BACKUP Drive USB is connected."
    fi
    # Log file is created in /tmp:
    echo "
    Backup sent to BACKUP Drive USB from $HOSTNAME by ‘$USERNAME’ on:" > /tmp/backup.log
    date| tee -a /tmp/backup.log
    echo "
    Errors:" | tee -a /tmp/backup.log

    # FOR EACH backup directory, execute the backup
    for d in $(ls /run/media/$USERNAME | grep BACKUP | grep ROOT)
    do
        DIR="/run/media/"$USERNAME/$d;
        echo "
        Backing up System to "$DIR"..."
        sudo rsync -aAXHz --delete --info=progress2 --recursive --exclude-from /home/luca-linux/bin/BackupRSync/exclude / $DIR  2>&1 | tee -a /tmp/backup.log

        sudo mkdir -p $DIR/home
        sudo mkdir -p $DIR/var/log
        sudo mkdir -p $DIR/var/spool
        sudo mkdir -p $DIR/dev
        sudo mkdir -p $DIR/proc
        sudo mkdir -p $DIR/sys
        sudo mkdir -p $DIR/tmp
        sudo mkdir -p $DIR/run
        sudo mkdir -p $DIR/mnt
        sudo mkdir -p $DIR/media

        echo "
        ——————--
        -- All backed up! --
        ——————--
        " | tee -a /tmp/backup.log

        # Log file is created or appended on BACKUP Drive from /tmp:
        # (backup.log will be removed from /tmp on next reboot.)

        cat /tmp/backup.log | sudo tee -a  $DIR/backup.log > /dev/null

        # Writing all cached data to drives and exiting:

        sync
    done
}

# present menu for user to choose which workspace to open
USERNAME=$USER
PS3="Please choose your option: "
options=("Home" "System" "Full" "SSH")

echo "Available options"
echo "------------------"
echo " "
select opt in "${options[@]}"
do
    case $opt in
        "Home")
            home
            STRING="Home"
            break
            ;;
        "System")
            system
            STRING="System"
            break
            ;;
        "Full")
            system
            home
            STRING="Full System and Home"
            break
            ;;
        "SSH")
            ssh_backup
            STRING="SSH"
            break
            ;;
    esac
done

notify-send -i gnome-disks  -u critical "$STRING Backup " 'Done'

exit