The plugin manager’s operations are based on GroIMP commands. Thus, usable without using the GUI (neither the Plugin Manager nor GroIMP GUI are required).
The list of commands is :
Exporting the list of currently installed plugins. This create a file with the list of plugin and their version installed. - complete path: /pluginmanager/commands/file/exportPlugins.
Importing a list of plugins. The plugin manager will install a list of plugins provided by file containing the plugin id and version - complete path: /pluginmanager/commands/file/importPlugins.
Reload the plugin repositories. This refresh the list of available plugins - complete path: /pluginmanager/commands/data/reloadRepo.
Clear the cache. This delete all cached data of both plugin, and repositories - complete path: /pluginmanager/commands/data/clearCache.