pre_install() {
    # From pre_install.sh
    # uninstall_legacy_bmdPanelDaemon()
    # {
    # 	# Uninstall BMD panel daemon
    # 	SVC_NAME=bmdpaneld
    # 
    # 	# Kill the daemon in case it is running
    # 	killall -9 ${SVC_NAME}
    # 
    # 	if [ -f /etc/init.d/${SVC_NAME} ]; then
    # 		echo "#Uninstalling BMD panel service..."
    # 		service ${SVC_NAME} stop
    # 		/sbin/chkconfig --del ${SVC_NAME}
    # 		rm -f /etc/init.d/${SVC_NAME}
    # 	fi
    # }
    # uninstall_legacy_bmdPanelDaemon
    #
    # I've commented this out, in case such service could be provided by any package in Arch
    # There is bmdpaneld file in /opt/resolve/bin/, but I do not know when it is invoked
    # systemctl stop bmdpaneld
    
    if [ -d "/opt/resolve" ]; then
        echo "Setting 755 mode for /opt/resolve"
        chmod 755 "/opt/resolve" # to deny renaming of writable dirs
    fi
}


# post_install() {
    # From post_install.sh install_mime_files()
    # gtk-update-icon-cache "/usr/share/icons/hicolor" -f 2>&1  >> /dev/null # not needed, handled by pacman
    # update-mime-database "/usr/share/mime/" 2>&1  >> /dev/null # not needed, handled by pacman
    
    # udevadm control --reload-rules #2>&1 # not needed, handled by pacman
    # udevadm trigger #2>&1 #  # not needed, handled by pacman
    
    # We do not need this, because usb permissions were already set in udev rules
    # ensure_usb_permissions()
    # {
    #     # Ensure panel permissions are correctly set for the current session
    #     DEVICES=`lsusb | grep "ID $1" | sed -e "s/:/ /g" | awk '{print"/dev/bus/usb/"$2"/"$4}'`
    #     for DEV in $DEVICES
    #     do
    #         echo "Fixing usb permissions for $DEV"
    #         chmod a+w $DEV
    #     done
    # }
    # 
    # ensure_usb_permissions "1edb"
    # ensure_usb_permissions "096e"
# }


pre_upgrade() {
    pre_install
}


# post_upgrade() {
#     post_install
# }


#pre_remove() {
#     do something here
#}


post_remove() {
    # From uninstall.sh
    # xdg-mime uninstall --novendor "${INSTALL_DIR}/share/resolve.xml"  2>&1  >> /dev/null # not needed, handled by pacman
    # xdg-icon-resource uninstall --size 128 DaVinci-Resolve  2>&1  >> /dev/null # not needed, removed with package
    # xdg-icon-resource uninstall --size 128 DaVinci-ResolveProj  2>&1  >> /dev/null # not needed, removed with package
    # gtk-update-icon-cache "${SHARE_DIR}/icons/hicolor" -f 2>&1  >> /dev/null # not needed, handled by pacman
    # update-mime-database "${SHARE_DIR}/mime/" 2>&1  >> /dev/null # not needed, handled by pacman

    # Remove GPUCache dir, because it did not came with package. This is done in original uninstaller.
    rm -rvf "/opt/resolve/GPUCache"

    if [ -d "/opt/resolve" ]; then
        echo "Setting 777 mode for /opt/resolve" # not possible in install file?
        chmod 777 "/opt/resolve" # to allow to rm files from install dir
        echo "You may need to remove /opt/resolve manually"
    fi
}