Load ext4 image and Bash into it

load-img.sh

function load-img () {
    sudo id;

    IMAGE_NAME="$1";
    IMAGE_FILE="${IMAGE_NAME}.img";

    if [[ -f "${IMAGE_FILE}" ]]; then
        loop_dev=$(sudo losetup --show -f "${IMAGE_FILE}"); 
        echo "loop_dev = ${loop_dev}";

        mnt_pnt="mnt_${IMAGE_FILE}_$(basename "${loop_dev}")";
        mkdir "${mnt_pnt}"
        sudo mount "${loop_dev}" "${mnt_pnt}";

        cd "${mnt_pnt}" && echo "launching Bash at ${mnt_pnt} ..." && bash -l && cd -;

        sudo umount "${loop_dev}";

        sudo losetup -d "${loop_dev}";

        rm -rf "${mnt_pnt}";
    fi
}