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In order to customize and update GroIMP, the software comes with a plugin manager, which allows user to install, update or remove plugins.
By default the available plugins are loaded from a Repository provided by the GroIMP developer team (a online version can be found here, yet it is easily possible to add an own list (see here).
GUI
The easiest way to use the Plugin Manager is the Graphical user interface, which can be found in GroIMP under help/plugin manager.
The view for installed plugins and available plugins and updates is the same, all have the plugins of their category in a list on the left and a description of this plugin if selected on the right. Every change is listed in the text filed below for reviewing. To install a available plugin or to upgrade a plugin the box next to it needs to be checked. For the installed plugins a three way selection is possible: if their box is checked with a check mark they stay installed, if the box is not checked they are removed and if the box is checked with a small square they are deactivated but not removed.
On the last tab “Repositories” different sources for plugins can be added or selected, for further info see here).
GroIMP commands
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.