Method GetAndValidatePlugin

actor/pluginaction/install.go:83–153

(pluginMetadata PluginMetadata, commandList CommandList, path string)

}

func (actor Actor) GetAndValidatePlugin(pluginMetadata PluginMetadata, commandList CommandList, path string) (configv3.Plugin, error) {
	plugin, err := pluginMetadata.GetMetadata(path)
	if err != nil || plugin.Name == "" || len(plugin.Commands) == 0 {
		return configv3.Plugin{}, actionerror.PluginInvalidError{Err: err}
	}

	var pluginLibraryMajorVersion int
	hasPluginLibraryVersion := plugin.LibraryVersion != configv3.PluginVersion{}
	if !hasPluginLibraryVersion {
		pluginLibraryMajorVersion = 1
	} else {
		pluginLibraryMajorVersion = plugin.LibraryVersion.Major
	}

	if pluginLibraryMajorVersion > 1 {
		return configv3.Plugin{}, actionerror.PluginInvalidLibraryVersionError{}
	}

	installedPlugins := actor.config.Plugins()

	conflictingNames := []string{}
	conflictingAliases := []string{}

	for _, command := range plugin.Commands {
		if commandList.HasCommand(command.Name) || commandList.HasAlias(command.Name) {
			conflictingNames = append(conflictingNames, command.Name)
		}

		if commandList.HasAlias(command.Alias) || commandList.HasCommand(command.Alias) {
			conflictingAliases = append(conflictingAliases, command.Alias)
		}

		for _, installedPlugin := range installedPlugins {
			// we do not error if a plugins commands conflict with previous
			// versions of the same plugin
			if plugin.Name == installedPlugin.Name {
				continue
			}

			for _, installedCommand := range installedPlugin.Commands {
				if command.Name == installedCommand.Name || command.Name == installedCommand.Alias {
					conflictingNames = append(conflictingNames, command.Name)
				}

				if command.Alias != "" &&
					(command.Alias == installedCommand.Alias || command.Alias == installedCommand.Name) {
					conflictingAliases = append(conflictingAliases, command.Alias)
				}
			}
		}
	}

	if len(conflictingNames) > 0 || len(conflictingAliases) > 0 {
		sort.Slice(conflictingNames, func(i, j int) bool {
			return strings.ToLower(conflictingNames[i]) < strings.ToLower(conflictingNames[j])
		})

		sort.Slice(conflictingAliases, func(i, j int) bool {