post_install() {
    echo 'You need to install tesseract-data for at least one language'
    echo 'pacman -S tesseract-data'
    echo 'and select your language(s)'
}

post_upgrade() {
    echo 'You need to install tesseract-data for at least one language'
    echo 'pacman -S tesseract-data'
    echo 'and select your language(s)'
}

post_remove() {
    true
}