lib/solve/ruby_solver.rb in solve-2.0.2 vs lib/solve/ruby_solver.rb in solve-2.0.3

@@ -178,9 +178,18 @@
     #   those passed to {Resolver#resolve} directly as the `base`
     def name_for_locking_dependency_source
       'Lockfile'
     end
 
+    # Returns whether this dependency, which has no possible matching
+    # specifications, can safely be ignored.
+    #
+    # @param [Object] dependency
+    # @return [Boolean] whether this dependency can safely be skipped.
+    def allow_missing?(dependency)
+      false
+    end
+
     private
 
       def resolve_with_error_wrapping
         @resolver.resolve(demands, @molinillo_graph)
       rescue Molinillo::VersionConflict, Molinillo::CircularDependencyError => e