How to disable image sizes remove on Content Backup

https://github.com/ThemeFuse/Unyson-Backups-Extension/issues/30#issuecomment-253008320

This possibility was already there #15

How to disable image sizes remove on Content Backup

Important! Use this code only while developing, to export a demo install with image sizes included. Do not include this code in theme in production, because all Content Backups created by user will be with image sizes.

Add the filter in {theme}/functions.php

add_filter(
    'fw:ext:backups:add-backup-task:image-sizes-remove',
    '_filter_theme_fw_ext_backups_disable_image_sizes_remove',
    10, 2
);
function _filter_theme_fw_ext_backups_disable_image_sizes_remove(
    $do, FW_Ext_Backups_Task_Collection $collection
) {
    $do = false;
    return $do;
}
Do Content Backup

Remove the filter from 1.

How to disable image sizes restore for specific demo

add_filter(
    'fw:ext:backups:add-restore-task:image-sizes-restore', 
    '_filter_theme_fw_backups_disable_image_sizes_restore'.
    10, 2
);
function _filter_theme_fw_backups_disable_image_sizes_restore(
    $do, FW_Ext_Backups_Task_Collection $collection
) {
    if (
        $collection->get_id() === 'demo-content-install'
        &&
        ($task = $collection->get_task('demo:demo-download'))
        &&
        ($task_args = $task->get_args())
        &&
        isset($task_args['demo_id'])
        &&
        in_array($task_args['demo_id'], array('DEMO_ID_1', 'DEMO_ID_2'))
    ) {
        $do = false;
    }

    return $do;
}