THIS_JRE='java-jbr'

fix_default() {
    if [ ! -x /usr/bin/java ]; then
        /usr/bin/archlinux-java unset
        echo ""
    else
        /usr/bin/archlinux-java get
    fi
}

post_install() {
    default=$(fix_default)
    case ${default} in
        "")
            /usr/bin/archlinux-java set ${THIS_JRE}
            ;;
        ${THIS_JRE})
            # Nothing
            ;;
        *)
            echo "Default Java environment is already set to '${default}'"
            echo "See 'archlinux-java help' to change it"
            ;;
    esac
}

post_upgrade() {
    if [ -z "$(fix_default)" ]; then
        /usr/bin/archlinux-java set ${THIS_JRE}
    fi
}

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