Magento 2 module to add CLI commands to manage themes from the command-line
composer require yireo/magento2-theme-commands
bin/magento module:enable Yireo_ThemeCommands
List all themes:
bin/magento theme:list
Change the current theme to Magento/luma
for all scopes:
bin/magento theme:change Magento/luma
Change the current theme to Hyva/default
for the StoreView with ID 1:
bin/magento theme:change Hyva/default 1 stores
Create a new theme:
bin/magento theme:create --theme Yireo/example --parent Magento/luma --application frontend
bin/magento theme:change Yireo/example