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self: super:
let
inherit (super) lib mylib;
# This callPackage will try to detect obsolete overrides.
callPackage = path: args: let
override = self.callPackage path args;
upstream = lib.optionalAttrs (override ? "name")
(super.${(builtins.parseDrvName override.name).name} or {});
in if upstream ? "name" &&
override ? "name" &&
builtins.compareVersions upstream.name override.name != -1
then builtins.trace "Upstream `${upstream.name}' gets overridden by `${override.name}'." override
else override;
in
mylib.mapNixDir (path: callPackage path {}) ./.
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