install.sh

#!/usr/bin/env bash
#
# Copyright (c) 2020 Pierre Lebleu <pme.lebleu@gmail.com>
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice, this
#   list of conditions and the following disclaimer.
#
# * Redistributions in binary form must reproduce the above copyright notice,
#   this list of conditions and the following disclaimer in the documentation
#   and/or other materials provided with the distribution.
#
# * Neither the name of the copyright holder nor the names of its
#   contributors may be used to endorse or promote products derived from
#   this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

check_root()
{
    if [ "${EUID}" -ne 0 ]; then
        echo "Please run as root"
        exit 1
    fi
}

install_dependencies()
{
    local deps="docker.io python3 python3-opencv v4l2loopback-dkms ffmpeg"
    local answer

    echo "Installing dependencies...."
    echo "Do you want to install ${deps} ? [Y/n]"
    read answer

    while [ answer != "Y" -a answer != "n" ]; do
        echo "Please answer with [Y/n]"
        echo "Do you want to install ${deps} ? [Y/n]"
        read answer
    done

    if [ answer = "Y" ]; then
        apt update
        apt install -yy ${deps}
        pip install pyfakewebcam
    fi
}

check_root
install_dependencies