#!/usr/bin/with-contenv bash

if [[ "$(uname -m)" == "armv7l" ]]; then
cat <<-EOF
    ********************************************************
    ********************************************************
    *                                                      *
    *                         !!!!                         *
    *   universal-calibre mod is not supported on armhf.   *
    *                                                      *
    ********************************************************
    ********************************************************
EOF
exit 0
fi

if [ ! -f /usr/bin/apt ]; then
cat <<-EOF
    ********************************************************
    ********************************************************
    *                                                      *
    *                         !!!!                         *
    *   universal-calibre mod is only supported on images  *
    *             using an Ubuntu base image.              *
    *                                                      *
    ********************************************************
    ********************************************************
EOF
exit 0
fi

if ! dpkg -s xz-utils >/dev/null 2>&1; then
    PACKAGES="xz-utils ${PACKAGES}"
fi

if [ ! -L /usr/lib/x86_64-linux-gnu/libGL.so.1 ]; then
    PACKAGES="libgl1-mesa-glx ${PACKAGES}"
fi

if [ ! -L /usr/lib/x86_64-linux-gnu/libxdamage.so.1 ]; then
    PACKAGES="libxdamage1 ${PACKAGES}"
fi

if [ ! -L /usr/lib/x86_64-linux-gnu/libEGL.so.1 ]; then
    PACKAGES="libegl1 ${PACKAGES}"
fi

if [ ! -L /usr/lib/x86_64-linux-gnu/libxkbcommon.so.0 ]; then
    PACKAGES="libxkbcommon0 ${PACKAGES}"
fi

if [ ! -L /usr/lib/x86_64-linux-gnu/libnss3.so ]; then
    PACKAGES="libnss3-dev ${PACKAGES}"
fi

if [ ! -L /usr/lib/x86_64-linux-gnu/libOpenGL.so.0 ]; then
    PACKAGES="libopengl0 ${PACKAGES}"
fi

if [ ! -L /usr/lib/x86_64-linux-gnu/libXcomposite.so.1 ]; then
    PACKAGES="libxcomposite1 ${PACKAGES}"
fi

if [ ! -L /usr/lib/x86_64-linux-gnu/libXrandr.so.2 ]; then
    PACKAGES="libxrandr2 ${PACKAGES}"
fi

if [ ! -L /usr/lib/x86_64-linux-gnu/libXtst.so.6 ]; then
    PACKAGES="libxtst6 ${PACKAGES}"
fi

if [ -n "${PACKAGES}" ]; then
    echo "${PACKAGES}" >> /mod-repo-packages-to-install.list
    echo "**** Adding calibre dependencies to package install list ****"
else
    echo "**** Calibre dependencies already installed, skipping ****"
fi