anchor.diff:        ncurses
         parallel # skips some tests if it can't detect
         flock # skips some tests if it can't detect
  -      ps
  +      procps
       ] ++ lib.optionals stdenv.isDarwin [ lsof ];
       inherit doInstallCheck;
       installCheckPhase = ''
  
positive.code: 
        # skip tests that assume bats `install.sh` will be in BATS_ROOT
        rm test/root.bats
  
        # test generates file with absolute shebang dynamically
        substituteInPlace test/install.bats --replace \
  
negative.code:           "${placeholder "out"}/lib/bats-core/warnings.bash"
            "$setup_suite_file" # via cli arg
          ];
          "$interpolated_report_formatter" = true;
          "$interpolated_formatter" = true;
          "$pre_command" = true;
          "$BATS_TEST_NAME" = true;
          "${placeholder "out"}/libexec/bats-core/bats-exec-test" = true;
  