configure

#!/usr/bin/env sh

PYTHON=$(command -v python || command -v python3)
if [ $? -ne 0 ]; then
    echo 'No Python 3 found'
    exit 1
fi

if [ ! -d venv ]; then
    echo 'No venv found, creating one'
    $PYTHON -m venv venv
    chmod +x venv/bin/activate
fi

source venv/bin/activate

PIP=$(command -v pip || command -v pip3)
for package in whiptail-dialogs; do
    INFO=$($PIP show $package 2> /dev/null)
    if [ $? -ne 0 ]; then
        $PIP install $package
    else
        version=$(sed -rn 's/Version: //p' <<< $INFO)

        for patch in "patches/${package}*"; do
            p=$patch
            patch_version=$(echo $patch | cut -d= -f2)

            if ! sort --help | grep -- '--version-sort' > /dev/null; then
                echo "Your 'sort' doesn't have the -V/--version-sort option, required to check if patches need to be applied. Applying anyway"
            fi

            if [ $(printf "${version}\n${patch_version}" | sort --version-sort | tail -n 1) != "${patch_version}" ]; then
                echo "Newer version of ${package} than required for patch, skipping"
                continue
            fi

            echo Applying ${patch}
            cat ${patch} | patch -p0 --forward -r -
        done
    fi
done

echo 'Dependencies satisfied, running menu...'

$PYTHON menu.py