pantum-universal-driver 1.1.186-5

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_pantum_rules_dir=/etc/udev/rules.d
_pantum_systemd_dir=/usr/lib/systemd/system
_pantum_ipp_dir=/opt/pantum/ippfilter
_pantum_bin_dir=/opt/pantum/bin

_pantum_has_ippusbxd() {
    [[ -f /usr/lib/udev/rules.d/55-ippusbxd.rules &&
       -f /usr/lib/systemd/system/ippusbxd@.service ]] &&
        command -v ippusbxd >/dev/null 2>&1
}

_pantum_has_ipp_usb() {
    [[ -f /usr/lib/udev/rules.d/71-ipp-usb.rules &&
       -f /usr/lib/systemd/system/ipp-usb.service &&
       -x /usr/bin/ipp-usb ]]
}

_pantum_reload_udev() {
    udevadm control --reload-rules 2>/dev/null || true
    udevadm trigger --subsystem-match=usb 2>/dev/null || true
}

_pantum_install_ipp_overrides() {
    if _pantum_has_ippusbxd; then
        if systemctl is-active --quiet pt-ipp-usb.service; then
            systemctl stop pt-ipp-usb.service || true
        fi
        rm -f "$_pantum_rules_dir/71-ipp-usb.rules" \
            "$_pantum_systemd_dir/pt-ipp-usb.service" \
            "$_pantum_bin_dir/ipp-usb"
        install -Dm644 "$_pantum_ipp_dir/55-ippusbxd.rules" \
            "$_pantum_rules_dir/55-ippusbxd.rules"

        local bus_device service
        while read -r bus_device; do
            service="ippusbxd@${bus_device}.service"
            if systemctl is-active --quiet "$service"; then
                systemctl stop "$service" || true
            fi
        done < <(lsusb -d 232b: | awk -F '[ :]' '{print $2 ":" $4}')
    elif _pantum_has_ipp_usb; then
        rm -f "$_pantum_rules_dir/55-ippusbxd.rules"
        install -Dm644 "$_pantum_ipp_dir/71-ipp-usb.rules" \
            "$_pantum_rules_dir/71-ipp-usb.rules"
        install -Dm644 "$_pantum_ipp_dir/pt-ipp-usb.service" \
            "$_pantum_systemd_dir/pt-ipp-usb.service"
        install -Dm755 "$_pantum_ipp_dir/ipp-usb" \
            "$_pantum_bin_dir/ipp-usb"
        systemctl daemon-reload || true

        if systemctl is-active --quiet ipp-usb.service; then
            systemctl stop ipp-usb.service || true
            systemctl start pt-ipp-usb.service || true
        fi
    else
        _pantum_remove_ipp_overrides
        return
    fi

    _pantum_reload_udev
}

_pantum_remove_ipp_overrides() {
    local restart_ipp_usb=false
    if systemctl is-active --quiet pt-ipp-usb.service; then
        restart_ipp_usb=true
        systemctl stop pt-ipp-usb.service || true
    fi

    rm -f "$_pantum_rules_dir/55-ippusbxd.rules" \
        "$_pantum_rules_dir/71-ipp-usb.rules" \
        "$_pantum_systemd_dir/pt-ipp-usb.service" \
        "$_pantum_bin_dir/ipp-usb"
    systemctl daemon-reload || true

    if [[ $restart_ipp_usb == true ]] && _pantum_has_ipp_usb; then
        systemctl start ipp-usb.service || true
    fi

    _pantum_reload_udev
}

post_install() {
    _pantum_install_ipp_overrides
    printf 'Pantum %s installed\n' "$1"
}

post_upgrade() {
    _pantum_install_ipp_overrides
    printf 'Pantum upgraded to %s\n' "$1"
}

pre_upgrade() {
    rm -f /etc/ld.so.conf.d/pantum.conf
    ldconfig
}

pre_remove() {
    rm -f /etc/ld.so.conf.d/pantum.conf
    ldconfig
    _pantum_remove_ipp_overrides
}