lib/license_finder/scanner.rb in license_finder-6.9.0 vs lib/license_finder/scanner.rb in license_finder-6.10.0

@@ -10,10 +10,14 @@
     class << self
       def remove_subprojects(paths)
         paths.reject { |path| subproject?(Pathname(path)) }
       end
 
+      def supported_package_manager_ids
+        PACKAGE_MANAGERS.map(&:id)
+      end
+
       private
 
       def subproject?(path)
         subproject = true
         PACKAGE_MANAGERS.each do |package_manager_class|
@@ -26,10 +30,11 @@
 
     def initialize(config = { project_path: Pathname.new('') })
       @config = config
       @project_path = @config[:project_path]
       @logger = @config[:logger]
+      @enabled_package_manager_ids = @config[:enabled_package_manager_ids]
     end
 
     def active_packages
       package_managers = active_package_managers
       installed_package_managers = package_managers.select { |pm| pm.installed?(@logger) }
@@ -38,11 +43,11 @@
 
     def active_package_managers
       return @package_managers if @package_managers
 
       active_pm_classes = []
-      PACKAGE_MANAGERS.each do |pm_class|
+      enabled_package_managers.each do |pm_class|
         active = pm_class.new(@config).active?
 
         if active
           @logger.info pm_class, 'is active', color: :green
           active_pm_classes << pm_class
@@ -53,8 +58,25 @@
 
       @logger.info 'License Finder', 'No active and installed package managers found for project.', color: :red if active_pm_classes.empty?
 
       active_pm_classes -= active_pm_classes.map(&:takes_priority_over)
       @package_managers = active_pm_classes.map { |pm_class| pm_class.new(@config) }
+    end
+
+    private
+
+    def enabled_package_managers
+      enabled_pm_ids = @enabled_package_manager_ids
+
+      return PACKAGE_MANAGERS unless enabled_pm_ids
+
+      enabled_pm_classes = PACKAGE_MANAGERS.select { |pm_class| enabled_pm_ids.include?(pm_class.id) }
+
+      if enabled_pm_classes.length != enabled_pm_ids.length
+        unsupported_pm_ids = enabled_pm_ids - self.class.supported_package_manager_ids
+        raise "Unsupported package manager: #{unsupported_pm_ids.join(', ')}"
+      end
+
+      enabled_pm_classes
     end
   end
 end