with import ./config.nix; # A simple content-addressed derivation. # The derivation can be arbitrarily modified by passing a different `seed`, # but the output will always be the same rec { stub = mkDerivation { name = "stub"; buildCommand = '' echo stub > $out ''; }; wrapper = mkDerivation { name = "has-dynamic-drv-dep"; buildCommand = '' exit 1 # we're not building this derivation ${builtins.outputOf stub.outPath "out"} ''; }; }