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W3HI52QVYQUEMJDK6TI54WPNDQJOHYD47G45LNMI2YTH6YGKNXNQC
J5UVLXOK6EDIL5I7VKWH4V2QDS4DPD7FHRK6XBWSXFRQS4JKXFZQC
$path = ($ENV{NIX_STORE_DIR}."/$path" || "/nix/store/$path" );
$path = ($ENV{NIX_STORE_DIR} || "/nix/store")."/$path";