with import <stockholm/lib>; self: super: let # This callPackage will try to detect obsolete overrides. callPackage = path: args: let override = self.callPackage path args; upstream = optionalAttrs (override ? "name") (super.${(parseDrvName override.name).name} or {}); in if upstream ? "name" && override ? "name" && compareVersions upstream.name override.name != -1 then trace "Upstream `${upstream.name}' gets overridden by `${override.name}'." override else override; in listToAttrs (map (name: nameValuePair (removeSuffix ".nix" name) (callPackage (./. + "/${name}") {})) (filter (name: name != "default.nix" && !hasPrefix "." name) (attrNames (readDir ./.))))